PLUMBING·7 min read

Published May 12, 2026 · Last updated October 21, 2026

Plumbing in Hawaii: 19 Top Pros Ranked (2027)

✓ MethodologyEditorial teamFree directory, no pay-to-rank

Quick answer

The top-ranked Plumbing provider in Hawaii is 535 Plumbing LLC (Honolulu), with a 4.9★ rating across 640 Google reviews and a ServiceAgent Score of 8.5/10. Also strongly rated: Pipe Masters LLC and Waialae Plumbing & Construction. See the full ranked list and how each provider scores below.

Hawaii · Plumbing
Hawaii · Plumbing
★ServiceAgent · Directory

TL;DR

Ranked: 1. 535 Plumbing LLC · 2. Pipe Masters LLC · 3. Waialae Plumbing & Construction · 4. Roto-Rooter Plumbing & Water Cleanup · 5. All Aloha Plumbing and Drain Cleaning Oahu

  • 19 verified plumbing businesses cataloged across 3 cities in Hawaii.
  • Top pick: 535 Plumbing LLC (Honolulu) with ServiceAgent Score 8.5/10.
  • 3 elite-tier providers (ServiceAgent Score ≥ 8.5/10) in Hawaii.
  • Typical plumbing project cost: $125 - $4,500 - $320 median for a standard repair, $1,800 median for a water-heater replacement.
  • 0 plumbing providers offer 24/7 or emergency service across Hawaii.
  • For a tighter list, drill into your city below - we have a city-by-city ranking for each metro.
19
verified Plumbing providers in Hawaii
4.9★
median Google rating in Hawaii
3
elite-tier pros (ServiceAgent Score 8.5+)

Computed from the providers ranked on this page. Figures update with each data refresh.

At-a-glance: top 11 plumbing pros in Hawaii

Compare the top picks side-by-side. Full reviews of each below.

#ProviderSA Score
#1535 Plumbing LLC8.5
#2Pipe Masters LLC8.5
#3Waialae Plumbing & Construction8.5
#4Roto-Rooter Plumbing & Water Cleanup8.4
#5All Aloha Plumbing and Drain Cleaning Oahu8.4
#6Allens Plumbing8.4
#7P & S Plumbing Honolulu8.3
#8Alpha Omega Drains, Sewers, & Septic8.2
#9Allens Plumbing8.2
#10JGR Plumbing LLC8.1
#11A-1 Budget Plumbing8.1

SA Score = ServiceAgent composite (0–10). Tap a row number to jump to the full review.

How the top plumbing pros compare

The same ServiceAgent Score components that drive the ranking, scored side by side — so you can see at a glance where each provider is strongest.

The criteria we scored against

  1. 1. Trust (data & verification). Owner-verification, completeness of contact info, and review-volume credibility.
  2. 2. Recommendation (rating). The Google star rating, Bayesian-shrunk toward the category mean so a few 5-star reviews can't dominate.
  3. 3. Review depth. How many public reviews back the rating — more reviews, more reliable the signal.
ProviderTrust (data & verification)Recommendation (rating)Review depth
535 Plumbing LLCStrongStrongStrong
Pipe Masters LLCStrongStrongStrong
Waialae Plumbing & ConstructionStrongStrongStrong
Roto-Rooter Plumbing & Water CleanupStrongStrongStrong
All Aloha Plumbing and Drain Cleaning OahuStrongStrongStrong
Allens PlumbingStrongStrongStrong
P & S Plumbing HonoluluModerateStrongModerate
Alpha Omega Drains, Sewers, & SepticModerateStrongModerate

Top Plumbing pros by metro in Hawaii

The strongest-rated providers in Hawaii's largest metros. Tap a city for its full local ranking.

Honolulu

  • 535 Plumbing LLC · 4.9★ (640) · Plumbing
  • Pipe Masters LLC · 4.9★ (279) · Plumbing
  • Waialae Plumbing & Construction · 4.9★ (263) · Plumbing
All Honolulu Plumbing pros →

Waipahu

  • All Aloha Plumbing and Drain Cleaning Oahu · 4.8★ (1,116) · Plumbing
All Waipahu Plumbing pros →

Kahului

  • Allens Plumbing · 4.8★ (729) · Plumbing
All Kahului Plumbing pros →

How we chose these

We rank every active provider in every active plumbing business in Hawaii by a composite ServiceAgent Score (0-10) made up of two components:

Trust Score (40%) - rewards owner-verified status, completeness of contact info, presence of hours/coordinates/photos, and review-volume credibility.

Recommendation Score (60%) - Google rating Bayesian-shrunk toward the category mean using a 25-review prior so high-volume providers can't be dethroned by 5-star outliers.

Composite ServiceAgent Score = 0.6 × Recommendation + 0.4 × Trust. We re-compute as new reviews land and as providers claim their listings. The "Last updated" date at the top of this page reflects the most recent data refresh.

What we deliberately don't do: pay-to-rank, sponsored slots that masquerade as editorial picks, or hide our formula. Sponsored slots (if/when introduced) will be clearly labeled and won't affect editorial ranking.

Full formula on the methodology page.

19 Best Plumbing Companies Ranked

Ranked by composite ServiceAgent Score. 19 verified businesses match.

Sort by:
1

Best for: Homeowners who want a high-volume operator with a long, consistent track record.

LocationHonolulu, HI · 1130 N Nimitz Hwy Suite B-180, Honolulu, HI 96817
EstablishedEstablished (very high review volume)
SpecializationPlumbing
Rating4.9★ across 640 Google reviews
StatusUnclaimed listing (Google data)
SourcePublic Google Business Profile · data as of May 12, 2026
🛡 6.5★ 9.8
ServiceAgent Score 8.5/10 · high confidence
Trust StrongRecommendation StrongReview depth Strong

The approach

535 Plumbing LLC has built a high-volume operation in Honolulu, with 640 Google reviews averaging 4.9 stars. That kind of review velocity in a single market typically means a fleet-style operation with multiple crews and a predictable response window.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

4.9-star average across 640 reviews is in the top 5% of providers in Honolulu - unusually high satisfaction signal at this volume.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

Our top pick in Honolulu. The 8.5/10 composite comes from a rare combination of review depth (640 reviews), a 4.9-star rating, and complete profile data.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(808) 300-0535
Websitewww.535plumbing.com
2

Best for: Quality-first buyers who care more about the satisfaction signal than the cheapest quote.

LocationHonolulu, HI · 820 W Hind Dr #240345, Honolulu, HI 96824
EstablishedEstablished (high review volume)
SpecializationPlumbing
Rating4.9★ across 279 Google reviews
StatusUnclaimed listing (Google data)
SourcePublic Google Business Profile · data as of May 12, 2026
🛡 6.5★ 9.8
ServiceAgent Score 8.5/10 · high confidence
Trust StrongRecommendation StrongReview depth Strong

The approach

Pipe Masters LLC maintains a strong 4.9-star reputation across 279 reviews in Honolulu, suggesting consistent execution rather than a one-off lucky streak.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

4.9-star average across 279 reviews is in the top 5% of providers in Honolulu - unusually high satisfaction signal at this volume.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

A top-3 pick in this market on the composite score. Worth a quote alongside #1 to compare response time and pricing on your specific job.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(808) 396-7473
Websitewww.oahupipemasters.com
3

Best for: Quality-first buyers who care more about the satisfaction signal than the cheapest quote.

LocationHonolulu, HI · 825 Halekauwila St D Ste D, Honolulu, HI 96813
EstablishedEstablished (high review volume)
SpecializationPlumbing
Rating4.9★ across 263 Google reviews
StatusUnclaimed listing (Google data)
SourcePublic Google Business Profile · data as of May 12, 2026
🛡 6.5★ 9.8
ServiceAgent Score 8.5/10 · high confidence
Trust StrongRecommendation StrongReview depth Strong

The approach

Waialae Plumbing & Construction maintains a strong 4.9-star reputation across 263 reviews in Honolulu, suggesting consistent execution rather than a one-off lucky streak.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

4.9-star average across 263 reviews is in the top 5% of providers in Honolulu - unusually high satisfaction signal at this volume.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

A top-3 pick in this market on the composite score. Worth a quote alongside #1 to compare response time and pricing on your specific job.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(808) 735-8595
Websitewaialaeplumbing.com
4

Best for: Homeowners who want one of the most-reviewed plumbing names in Honolulu, with a long public track record.

LocationHonolulu, HI · 3049 Ualena St Ste 713, Honolulu, HI 96819
EstablishedEstablished (very high review volume)
SpecializationPlumbing
Rating4.8★ across 2,157 Google reviews
StatusUnclaimed listing (Google data)
SourcePublic Google Business Profile · data as of May 12, 2026
🛡 6.5★ 9.6
ServiceAgent Score 8.4/10 · high confidence
Trust StrongRecommendation StrongReview depth Strong

The approach

Roto-Rooter Plumbing & Water Cleanup has built a high-volume operation in Honolulu, with 2,157 Google reviews averaging 4.8 stars. That kind of review velocity in a single market typically means a fleet-style operation with multiple crews and a predictable response window.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

4.8-star average across 2,157 reviews points to consistent on-time delivery and clear communication.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

Ranked here because of high review depth at a strong rating - the kind of provider you can hire without doing 90 minutes of due diligence.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(808) 846-1200
Websitewww.rotorooter.com/honolulu/?utm_source=Google&utm_medium=organic&utm_campaign=gmb&utm_content=website
5

Best for: Homeowners who want one of the most-reviewed plumbing names in Waipahu, with a long public track record.

LocationWaipahu, HI · 94-150 Leoleo St Ste A1118, Waipahu, HI 96797
EstablishedEstablished (very high review volume)
SpecializationPlumbing
Rating4.8★ across 1,116 Google reviews
StatusUnclaimed listing (Google data)
SourcePublic Google Business Profile · data as of May 12, 2026
🛡 6.5★ 9.6
ServiceAgent Score 8.4/10 · high confidence
Trust StrongRecommendation StrongReview depth Strong

The approach

All Aloha Plumbing and Drain Cleaning Oahu has built a high-volume operation in Waipahu, with 1,116 Google reviews averaging 4.8 stars. That kind of review velocity in a single market typically means a fleet-style operation with multiple crews and a predictable response window.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

4.8-star average across 1,116 reviews points to consistent on-time delivery and clear communication.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

Ranked here because of high review depth at a strong rating - the kind of provider you can hire without doing 90 minutes of due diligence.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(808) 201-7526
Websiteallalohaplumbing.com/oahu/?utm_source=google&utm_medium=gbp&utm_campaign=Waipahu
6

Best for: Homeowners who want a high-volume operator with a long, consistent track record.

LocationKahului, HI · 360 Papa Pl, Kahului, HI 96732
EstablishedEstablished (very high review volume)
SpecializationPlumbing
Rating4.8★ across 729 Google reviews
StatusUnclaimed listing (Google data)
SourcePublic Google Business Profile · data as of May 12, 2026
🛡 6.5★ 9.6
ServiceAgent Score 8.4/10 · high confidence
Trust StrongRecommendation StrongReview depth Strong

The approach

Allens Plumbing has built a high-volume operation in Kahului, with 729 Google reviews averaging 4.8 stars. That kind of review velocity in a single market typically means a fleet-style operation with multiple crews and a predictable response window.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

4.8-star average across 729 reviews points to consistent on-time delivery and clear communication.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

Ranked here because of high review depth at a strong rating - the kind of provider you can hire without doing 90 minutes of due diligence.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(808) 877-6370
Websitewww.allensplumbinghi.com
7

Best for: Customers prioritizing top-end satisfaction scores in Honolulu.

LocationHonolulu, HI · 1714 Homerule St #1, Honolulu, HI 96819
EstablishedOperating multiple years (moderate review history)
SpecializationPlumbing
Rating5.0★ across 135 Google reviews
StatusUnclaimed listing (Google data)
SourcePublic Google Business Profile · data as of May 12, 2026
🛡 6.0★ 9.9
ServiceAgent Score 8.3/10 · high confidence
Trust ModerateRecommendation StrongReview depth Moderate

The approach

P & S Plumbing Honolulu maintains a strong 5.0-star reputation across 135 reviews in Honolulu, suggesting consistent execution rather than a one-off lucky streak.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

5.0-star average across 135 reviews is in the top 5% of providers in Honolulu - unusually high satisfaction signal at this volume.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

Mid-tier ranking in this market. Quality looks reasonable but isn't a standout vs. the top 3 - use them if you can't get a quote from a higher-ranked provider in time.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(808) 842-0345
Websitep-s-plumbing-honolulu.localo.site
8

Best for: Customers prioritizing top-end satisfaction scores in Honolulu.

LocationHonolulu, HI · 3159 A Koapaka St, Honolulu, HI 96819
EstablishedOperating multiple years (moderate review history)
SpecializationPlumbing
Rating4.9★ across 67 Google reviews
StatusUnclaimed listing (Google data)
SourcePublic Google Business Profile · data as of May 12, 2026
🛡 6.0★ 9.7
ServiceAgent Score 8.2/10 · high confidence
Trust ModerateRecommendation StrongReview depth Moderate

The approach

Alpha Omega Drains, Sewers, & Septic operates in Honolulu with 67 Google reviews at 4.9 stars - a steady mid-tier signal in our composite scoring.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

4.9-star average across 67 reviews points to consistent on-time delivery and clear communication.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

Mid-tier ranking in this market. Quality looks reasonable but isn't a standout vs. the top 3 - use them if you can't get a quote from a higher-ranked provider in time.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(808) 847-5414
Websiteaoplumbinghi.com
9

Best for: Mid-tier plumbing jobs where price and quality both matter.

LocationHonolulu, HI · 401 Puuhale Rd, Honolulu, HI 96819
EstablishedEstablished (very high review volume)
SpecializationPlumbing
Rating4.7★ across 920 Google reviews
StatusUnclaimed listing (Google data)
SourcePublic Google Business Profile · data as of May 12, 2026
🛡 6.5★ 9.4
ServiceAgent Score 8.2/10 · high confidence
Trust StrongRecommendation StrongReview depth Strong

The approach

Allens Plumbing operates in Honolulu with 920 Google reviews at 4.7 stars - a steady mid-tier signal in our composite scoring.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

4.7-star average across 920 reviews puts them in the upper tier for plumbing providers in Honolulu.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

Ranked here because of high review depth at a strong rating - the kind of provider you can hire without doing 90 minutes of due diligence.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(808) 599-5511
Websitewww.allensplumbinghi.com/oahu-plumbing-service-areas
10

Best for: Buyers willing to try a newer entrant with strong early reviews.

LocationHonolulu, HI · 1220 Makalapua Pl, Honolulu, HI 96817
EstablishedSome operating history (limited review volume)
SpecializationPlumbing
Rating5.0★ across 22 Google reviews
StatusUnclaimed listing (Google data)
SourcePublic Google Business Profile · data as of May 12, 2026
🛡 5.5★ 9.8
ServiceAgent Score 8.1/10 · med confidence
Trust ModerateRecommendation StrongReview depth Limited

The approach

JGR Plumbing LLC is a smaller or newer entrant in Honolulu with 22 public reviews so far. The smaller sample makes the 5.0-star rating less statistically reliable - worth a phone call to gauge fit before committing.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

5.0-star average across 22 reviews puts them in the upper tier for plumbing providers in Honolulu.

⚠ Watch out for

Low review volume makes the rating statistically noisy. Get references from 2-3 recent jobs before signing.

Our take

Ranks in the middle of the pack mainly because review volume is still building. The rating itself is strong; treat them as a "worth a quote" rather than a default pick.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(808) 462-9587
Websitejgrplumbingllchi.com
11

Best for: Homeowners who want one of the most-reviewed plumbing names in Honolulu, with a long public track record.

LocationHonolulu, HI
EstablishedEstablished (very high review volume)
SpecializationPlumbing
Rating4.9★ across 2,964 Google reviews
StatusUnclaimed listing (Google data)
SourcePublic Google Business Profile · data as of May 12, 2026
🛡 5.5★ 9.8
ServiceAgent Score 8.1/10 · high confidence
Trust ModerateRecommendation StrongReview depth Strong

The approach

A-1 Budget Plumbing has built a high-volume operation in Honolulu, with 2,964 Google reviews averaging 4.9 stars. That kind of review velocity in a single market typically means a fleet-style operation with multiple crews and a predictable response window.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

4.9-star average across 2,964 reviews is in the top 5% of providers in Honolulu - unusually high satisfaction signal at this volume.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

Ranked here because of high review depth at a strong rating - the kind of provider you can hire without doing 90 minutes of due diligence.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(808) 526-3747
Websitewww.a1budgetplumbing.com
12

Best for: Quality-first buyers who care more about the satisfaction signal than the cheapest quote.

LocationHonolulu, HI
EstablishedEstablished (high review volume)
SpecializationPlumbing
Rating4.9★ across 292 Google reviews
StatusUnclaimed listing (Google data)
SourcePublic Google Business Profile · data as of May 12, 2026
🛡 5.5★ 9.8
ServiceAgent Score 8.1/10 · high confidence
Trust ModerateRecommendation StrongReview depth Strong

The approach

Rock-O-Rooter, LLC maintains a strong 4.9-star reputation across 292 reviews in Honolulu, suggesting consistent execution rather than a one-off lucky streak.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

4.9-star average across 292 reviews is in the top 5% of providers in Honolulu - unusually high satisfaction signal at this volume.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

Ranked here because of high review depth at a strong rating - the kind of provider you can hire without doing 90 minutes of due diligence.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(808) 217-9453
Websitewww.rockorooter.com
13

Best for: Quality-first buyers who care more about the satisfaction signal than the cheapest quote.

LocationHonolulu, HI
EstablishedEstablished (high review volume)
SpecializationPlumbing
Rating4.9★ across 289 Google reviews
StatusUnclaimed listing (Google data)
SourcePublic Google Business Profile · data as of May 12, 2026
🛡 5.5★ 9.8
ServiceAgent Score 8.1/10 · high confidence
Trust ModerateRecommendation StrongReview depth Strong

The approach

Shoreline Plumbing maintains a strong 4.9-star reputation across 289 reviews in Honolulu, suggesting consistent execution rather than a one-off lucky streak.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

4.9-star average across 289 reviews is in the top 5% of providers in Honolulu - unusually high satisfaction signal at this volume.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

Ranked here because of high review depth at a strong rating - the kind of provider you can hire without doing 90 minutes of due diligence.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(808) 445-3585
Websitewww.shorelineplumbing808.com
14

Best for: Mid-tier plumbing jobs where price and quality both matter.

LocationHonolulu, HI
EstablishedOperating multiple years (moderate review history)
SpecializationPlumbing
Rating4.8★ across 147 Google reviews
StatusUnclaimed listing (Google data)
SourcePublic Google Business Profile · data as of May 12, 2026
🛡 5.0★ 9.6
ServiceAgent Score 7.8/10 · high confidence
Trust ModerateRecommendation StrongReview depth Moderate

The approach

Pueo Plumbing maintains a strong 4.8-star reputation across 147 reviews in Honolulu, suggesting consistent execution rather than a one-off lucky streak.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

4.8-star average across 147 reviews points to consistent on-time delivery and clear communication.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

Mid-tier ranking in this market. Quality looks reasonable but isn't a standout vs. the top 3 - use them if you can't get a quote from a higher-ranked provider in time.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(808) 593-7836
Websitepueoplumbing.com
15

Best for: Mid-tier plumbing jobs where price and quality both matter.

LocationHonolulu, HI
EstablishedEstablished (very high review volume)
SpecializationPlumbing
Rating4.6★ across 559 Google reviews
StatusUnclaimed listing (Google data)
SourcePublic Google Business Profile · data as of May 12, 2026
🛡 5.5★ 9.2
ServiceAgent Score 7.7/10 · high confidence
Trust ModerateRecommendation StrongReview depth Strong

The approach

Emergency Plumbing & Solar operates in Honolulu with 559 Google reviews at 4.6 stars - a steady mid-tier signal in our composite scoring.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

4.6-star average across 559 reviews puts them in the upper tier for plumbing providers in Honolulu.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

Mid-tier ranking in this market. Quality looks reasonable but isn't a standout vs. the top 3 - use them if you can't get a quote from a higher-ranked provider in time.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(808) 201-4178
Websitewww.epshawaii.com/?utm_source=google&utm_medium=organic
16

Best for: Buyers willing to try a newer entrant with strong early reviews.

LocationHonolulu, HI
EstablishedSome operating history (limited review volume)
SpecializationPlumbing
Rating4.9★ across 10 Google reviews
StatusUnclaimed listing (Google data)
SourcePublic Google Business Profile · data as of May 12, 2026
🛡 4.5★ 9.6
ServiceAgent Score 7.6/10 · med confidence
Trust LimitedRecommendation StrongReview depth Limited

The approach

Legacy Plumbing Co, LLC is a smaller or newer entrant in Honolulu with 10 public reviews so far. The smaller sample makes the 4.9-star rating less statistically reliable - worth a phone call to gauge fit before committing.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

4.9-star average across 10 reviews puts them in the upper tier for plumbing providers in Honolulu.

⚠ Watch out for

Low review volume makes the rating statistically noisy. Get references from 2-3 recent jobs before signing.

Our take

Ranks in the middle of the pack mainly because review volume is still building. The rating itself is strong; treat them as a "worth a quote" rather than a default pick.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(808) 499-7140
Websitelegacyplumbingoahu.com
17

Best for: Mid-tier plumbing jobs where price and quality both matter.

LocationHonolulu, HI · 500 Ala Moana Blvd STE#401, Honolulu, HI 96813
EstablishedSome operating history (limited review volume)
SpecializationPlumbing
Rating4.8★ across 31 Google reviews
StatusUnclaimed listing (Google data)
SourcePublic Google Business Profile · data as of May 12, 2026
🛡 4.5★ 9.6
ServiceAgent Score 7.6/10 · med confidence
Trust LimitedRecommendation StrongReview depth Limited

The approach

Low Cost Drain Plumbing operates in Honolulu with 31 Google reviews at 4.8 stars - a steady mid-tier signal in our composite scoring.

  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

4.8-star average across 31 reviews puts them in the upper tier for plumbing providers in Honolulu.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

Ranks in the middle of the pack mainly because review volume is still building. The rating itself is strong; treat them as a "worth a quote" rather than a default pick.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(808) 753-0651
Website—
View full profile →Call
18

Best for: Mid-tier plumbing jobs where price and quality both matter.

LocationHonolulu, HI
EstablishedOperating multiple years (moderate review history)
SpecializationPlumbing
Rating4.6★ across 127 Google reviews
StatusUnclaimed listing (Google data)
SourcePublic Google Business Profile · data as of May 12, 2026
🛡 5.0★ 9.3
ServiceAgent Score 7.6/10 · high confidence
Trust ModerateRecommendation StrongReview depth Moderate

The approach

Brison's Plumbing Inc. operates in Honolulu with 127 Google reviews at 4.6 stars - a steady mid-tier signal in our composite scoring.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

4.6-star average across 127 reviews puts them in the upper tier for plumbing providers in Honolulu.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

Mid-tier ranking in this market. Quality looks reasonable but isn't a standout vs. the top 3 - use them if you can't get a quote from a higher-ranked provider in time.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(808) 799-6629
Websitewww.brisonsplumbinginc.com
19

Best for: Mid-tier plumbing jobs where price and quality both matter.

LocationHonolulu, HI · 575 Cooke St Suite G Suite G, Honolulu, HI 96813
EstablishedSome operating history (limited review volume)
SpecializationPlumbing
Rating3.5★ across 34 Google reviews
StatusUnclaimed listing (Google data)
SourcePublic Google Business Profile · data as of May 12, 2026
🛡 5.5★ 8.1
ServiceAgent Score 7.1/10 · med confidence
Trust ModerateRecommendation ModerateReview depth Limited

The approach

Diamond Head Plumbing Inc. operates in Honolulu with 34 Google reviews at 3.5 stars - a steady mid-tier signal in our composite scoring.

  • Maintains an active website with service detail.
  • Direct phone published - no lead form gatekeeping.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

Public review history is limited so far - the headline rating is 3.5 from 34 reviews. Treat the score as provisional.

⚠ Watch out for

After-hours and emergency response isn't signaled on the public profile - confirm availability directly if your job is time-sensitive.

Our take

Ranks in the middle of the pack mainly because review volume is still building. The rating itself is strong; treat them as a "worth a quote" rather than a default pick.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(808) 400-7384
Websitewww.diamondheadplumbinginc.com

Showing 10 of 19.

How to choose a plumbing pro

The ranking does the research; these five checks help you turn the shortlist into the right hire.

  1. 1

    Start with the top of the ranking, not an ad

    The providers ranked highest in Hawaii earned it on review depth, rating, and data completeness — not on ad spend. Shortlist two or three from the top before you start calling.

  2. 2

    Get two or three quotes in writing

    Pricing for plumbing work varies by scope and local market. Written quotes from a few shortlisted pros let you compare apples to apples and spot an outlier before you commit.

  3. 3

    Read the most recent reviews, not just the average

    A strong average can hide a recent slide in quality. Sort reviews by newest and look for how the business handles problems — a thoughtful reply to a bad review often tells you more than the star count.

  4. 4

    Confirm licensing, insurance, and scope before work starts

    Ask for the license number and proof of insurance, and get the full scope of work plus any parts/labor warranty in writing before any plumbing job begins. Verify the license on your state board if the work is significant.

  5. 5

    Match the provider to your actual job

    A high-volume operator is great for a routine job; a smaller specialist may be a better fit for an unusual one. Use the scorecard above to pick for your situation, not just the overall rank.

When demand peaks in Hawaii for plumbing

12-month demand index (100 = annual average). Peaks in January, troughs in September. Book in the trough months to lock lower rates.

avg = 100Jan: 140JanFebMarAprMayJunJulAugSepOctNovDec

Demand-index methodology: derived from Google Trends + industry-survey data, indexed to 100 as the rolling 12-month average. Local market may vary 10-25%.

Pricing: what plumbing costs

Quick budget estimates by job type. Use these as a planning sanity-check, not as a firm quote.

JobLowHigh
Service call / diagnostic$100$250
Drain cleaning (snake)$150$450
Hydro-jet drain$400$900
Water heater replacement (tank)$1,100$1,800
Tankless water heater install$2,200$4,500

Estimates based on industry-average labor + materials, adjusted for local market. Get at least two written quotes from providers above before signing.

What to know about hiring Plumbing

Plumbing jobs split into emergencies (leaks, clogs, no hot water) and planned work (re-pipes, fixture installs, water heaters).

What drives the price

Whether it's diagnostic vs. repair vs. replacement, access to the pipes, and emergency timing.

What to check

State plumbing license, insurance, and whether they give a flat quote after seeing the job rather than an hourly open-ended rate.

When to call

For a slow leak, sooner is cheaper — water damage escalates fast. Keep an emergency number on hand before you need it.

Why trust this list

Finding a trustworthy plumbing pro in Hawaii is harder than it should be - reviews are gamed, marketing claims are loud, and licensed-and-insured isn't visible from a Google search.

We've cataloged every active plumbing provider in Hawaii (19 total across 3 cities) and ranked them by composite ServiceAgent Score - a weighted blend of Trust (data quality + verification + review-volume credibility) and Recommendation (rating + review volume, Bayesian-shrunk).

Below: the top 25 plumbing providers in Hawaii, transparent methodology, cost benchmarks for the trade, and the red flags worth walking away from. Drill into your city in the related pages section for a tighter local ranking.

Frequently asked questions

8 common questions about hiring a plumbing pro in this area.

Who is the best plumbing business in Hawaii?

Based on composite ServiceAgent Score across every active provider in Hawaii, 535 Plumbing LLC in Honolulu ranks #1 (8.5/10). Pipe Masters LLC in Honolulu (8.5/10) ranks #2 and Waialae Plumbing & Construction in Honolulu (8.5/10) ranks #3.

How much does plumbing service cost in Hawaii?

Across Hawaii, plumbing jobs span $125 - $4,500 depending on scope. $320 median for a standard repair, $1,800 median for a water-heater replacement. Prices vary 30-50% between providers for the same scope, so always get at least two itemized written estimates.

What drives the price difference between plumbing providers in Hawaii?

Several factors:

• Pipe material (copper costs 2× PEX; cast iron repair is the most expensive) • Access difficulty (slab leaks + crawlspace work add hours) • Permit + inspection cost (varies by city) • After-hours vs. business-hours rates

Providers that quote by phone without seeing the job often end up the most expensive after the fact.

What should I look for when hiring plumbing in Hawaii?

Use this checklist:

• State-licensed master plumber on staff • Bonded + insured (ask for the certificate, not just a verbal yes) • Up-front, itemized quote in writing • Pulls permits where required by the city • Backflow certification if work touches the water supply

If the provider can't or won't meet these basics, there's no shortage of pros in Hawaii - move to the next one on the list.

What are the biggest red flags?

The patterns we see most often in disputes:

• ⚠️ Quotes by-the-job without seeing the work first • ⚠️ Charges separately for the diagnostic call AND the repair work • ⚠️ Pushes pipe replacement when a localized repair would do the job • ⚠️ No license number visible on the truck or website

Any one of these is reason enough to politely walk.

Where can I find plumbing pros in my specific city in Hawaii?

Drill into your city from the related links. We have city-by-city rankings for 3 Hawaii cities - navigate to Hawaii › {your city} › Plumbing.

How does the ServiceAgent Score work?

It's a 0-10 composite of a Trust Score (40% - data quality + verification + review-volume credibility) and a Recommendation Score (60% - Google rating Bayesian-shrunk toward the category mean using a 25-review prior). Full formula on the methodology page.

Are these listings verified?

Every listing is pulled from active Google Business Profile data. 0 of these 19 listings are currently ServiceAgent-verified (owners completed our claim flow). Verified listings get a green badge in the ranking.

Reports & insights

Pricing, demand, and provider trends for Hawaii — refreshed quarterly.

Verify any provider's license in Hawaii

Always confirm a contractor is in good standing before hiring. Hawaii uses the Hawaii Department of Commerce and Consumer Affairs (DCCA). Search by license number, business name, or address.

⚡ For business owners

Own a business in this list? Claim it free.

Get a verified green badge, edit your description, upload real photos, and bump your placement in this and 11 other category lists. Takes under 2 minutes.

  • ✓Verified badge next to your name
  • ✓Edit services, hours, photos, description
  • ✓Boosted ranking in claimed-only sort
  • ✓Response analytics on inbound leads
  • ✓No fee, no card required
  • ✓2-minute phone-based verification

Fill out the verification form right here. We'll match it to your Google Business Profile and confirm by phone within one business day.

⚡ Powered by ServiceAgentBuilt for home-service businesses

Run a plumbing business? Stop missing 1 in 3 calls.

ServiceAgent's AI Receptionist answers every call 24/7, books jobs straight into your CRM, follows up on quotes, and sends recap notes to you, so you stop losing jobs to missed calls.

  • 24/7 call answering

    Voice AI handles after-hours, weekends, lunch breaks, and overflow.

  • Books to your calendar

    Pulls availability from Jobber, Housecall Pro, ServiceTitan, or Google Calendar.

  • SMS + email follow-up

    Recaptures unbooked quotes the same day. No prompts required.

  • CRM-ready notes

    Every call logged with summary, intent, and follow-up actions.

No credit card · Cancel anytime · 30-day money-back guarantee

Was this list helpful?

Your feedback helps us improve rankings + content.

About the author

Written by

Headshot of Shaambhav Shankar

Shaambhav Shankar

Growth & Product Marketing, ServiceAgent

Shaambhav Shankar works in product marketing at SaaS Labs, the company behind ServiceAgent, and describes himself as a marketing generalist with six years of experience in SaaS. He studied at Symbiosis International University and is based in the Greater Delhi Area. He writes the bulk of the ServiceAgent blog, covering call answering, CRM and the operational side of running a home services business, and authors and maintains the ServiceAgent Directory rankings.

Credentials

  • Symbiosis International University (2016-2019)
  • Digital Marketing, Google India (2020)
  • Financial Modelling and Valuation, Ernst & Young (2019)
  • Building with the Claude API, Anthropic (2026)
  • AI Fluency for Builders, Anthropic (2026)
  • Introduction to Model Context Protocol, Anthropic (2026)

Greater Delhi Area, India · 6 years experience

Every ranking on this page is written and maintained by Shaambhav Shankar, who owns the ranking methodology and verifies each provider listing against public data. No pay-to-rank, no sponsored placements. Read our methodology →

Update history
  • October 21, 2026 — Latest ranking refresh. Composite ServiceAgent Scores recomputed from current Google review data.