ServiceAgent
COMMERCIAL CONSTRUCTION·4 min read
Headshot of Sarah Mitchell
Written by Sarah Mitchell
Headshot of Michael O'Brien
Reviewed by Michael O'Brien, Construction Industry Expert

Last updated June 27, 2026

Commercial Construction in Fontana, California: 19 Top Pros (2026)

19 verified commercial construction providers in Fontana, ranked by ServiceAgent Score. Commercial general contracting. Compare response times, ratings, and pricing - and request a quote in minutes.

✓ MethodologyEditorial teamFree directory, no pay-to-rank
Fontana · Construction
Fontana · Construction
ServiceAgent · Directory

TL;DR

  • 19 commercial construction providers match in Fontana, California.
  • Top pick: TMB Construction and Restoration, Inc. (ServiceAgent Score 8.2/10).
  • Median ServiceAgent Score: 7.2/10.
  • 0 owner-verified listings.
  • Filtered for Commercial: commercial general contracting.

Why trust this list

This page narrows the full Fontana construction directory to providers that explicitly serve commercial requests. We surfaced them by scanning provider categories, service tags, and review text for relevant signals.

If you're looking at this page, you probably need commercial construction now - so we've ordered the list by composite ServiceAgent Score and surfaced the response-time indicator on every card. Call the top three; the first to pick up usually wins the job.

At-a-glance: top 11 construction pros in Fontana

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

#ProviderSA Score
#1TMB Construction and Restoration, Inc.8.2
#2specialty builders7.8
#3Fontana ADU Builder7.6
#4Fontana General Contractors7.5
#5J F Shea Construction Inc7.4
#6Da General Contractors7.4
#7Contractors-Services LLC7.4
#8Final Touch Construction7.2
#9MKP CONSTRUCTION INC.7.2
#10Fresh Construction Service Fontana7.2
#11Redstar Construction7.2

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

How we chose these

Same scoring engine as the main Fontana construction ranking, with an additional filter step: we look for Commercial signals in each provider's business categories, service tags, and recent review text.

When the Commercial filter would surface fewer than five providers, we fall back to showing top-rated construction pros generally - they are far more likely to handle commercial work than an unrated provider would be.

Full formula on the methodology page.

19 Best Construction Companies Ranked

Ranked by composite ServiceAgent Score. 19 verified businesses match.

Sort by:
1

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

LocationFontana, CA · 14705 Yukon Cir, Fontana, CA 92336
EstablishedOperating multiple years (moderate review history)
SpecializationConstruction
Rating4.9 across 126 Google reviews
StatusUnclaimed listing (Google data)
🛡 6.09.7
ServiceAgent Score 8.2/10 · high confidence

The approach

TMB Construction and Restoration, Inc. maintains a strong 4.9-star reputation across 126 reviews in Fontana, 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 126 reviews is in the top 5% of providers in Fontana - 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. The composite score (8.2/10) reflects a rare combination of review depth, rating, and data completeness. Hard to argue with the data.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(909) 845-3588
Websitetmbcr.com/?utm_source=organic&utm_medium=gbp_listing
2

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

LocationFontana, CA · 9161 Sierra Ave. suite 201A, Fontana, CA 92335
EstablishedEstablished (high review volume)
SpecializationConstruction
Rating4.3 across 417 Google reviews
StatusUnclaimed listing (Google data)
🛡 6.58.6
ServiceAgent Score 7.8/10 · high confidence

The approach

specialty builders operates in Fontana with 417 Google reviews at 4.3 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 4.3 from 417 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

A solid top-3 pick. Worth getting a quote from alongside #1 to compare response times and pricing on your specific job.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(909) 600-0530
Websitewww.specialtybuilders1.com
3

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

LocationFontana, CA · 16689 Foothill Blvd, Fontana, CA 92335
EstablishedLimited public history - newer or low-engagement listing
SpecializationConstruction
Rating5.0 across 3 Google reviews
StatusUnclaimed listing (Google data)
🛡 5.09.4
ServiceAgent Score 7.6/10 · low confidence

The approach

Fontana ADU Builder is a smaller or newer entrant in Fontana with 3 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 3 reviews puts them in the upper tier for construction providers in Fontana.

⚠ Watch out for

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

Our take

A solid top-3 pick. Worth getting a quote from alongside #1 to compare response times and pricing on your specific job.

24/7 emergencyNot advertised
Free estimateNot advertised
Licensed + insuredNot advertised - verify before hiring
Phone(949) 267-7957
Websitefontanaadubuilder.bond
4

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

LocationFontana, CA · 14189 Foothill Blvd STE 107, Fontana, CA 92335
EstablishedLimited public history - newer or low-engagement listing
SpecializationConstruction
Rating4.3 across 6 Google reviews
StatusUnclaimed listing (Google data)
🛡 5.09.2
ServiceAgent Score 7.5/10 · low confidence

The approach

Fontana General Contractors is a smaller or newer entrant in Fontana with 6 public reviews so far. The smaller sample makes the 4.3-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

Public review history is limited so far - the headline rating is 4.3 from 6 reviews. Treat the score as provisional.

⚠ 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(909) 752-0846
Websitefontanageneralcontractors.com
5

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

LocationFontana, CA · 8591 Calabash Ave, Fontana, CA 92335
EstablishedLimited public history - newer or low-engagement listing
SpecializationConstruction
Rating4.6 across 5 Google reviews
StatusUnclaimed listing (Google data)
🛡 4.59.3
ServiceAgent Score 7.4/10 · low confidence

The approach

J F Shea Construction Inc is a smaller or newer entrant in Fontana with 5 public reviews so far. The smaller sample makes the 4.6-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

4.6-star average across 5 reviews puts them in the upper tier for construction providers in Fontana.

⚠ 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(909) 349-1428
Websitejfsheaconstruction.com
6

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

LocationFontana, CA · 17218 Foothill Blvd 1st floor ste 102, Fontana, CA 92335
EstablishedLimited public history - newer or low-engagement listing
SpecializationConstruction
Rating5.0 across 2 Google reviews
StatusUnclaimed listing (Google data)
🛡 4.59.3
ServiceAgent Score 7.4/10 · low confidence

The approach

Da General Contractors is a smaller or newer entrant in Fontana with 2 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 2 reviews puts them in the upper tier for construction providers in Fontana.

⚠ 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(909) 837-3106
Websitedageneralcontractorsinc.com
7

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

LocationFontana, CA · 15808 Arrow Blvd # B2, Fontana, CA 92335
EstablishedLimited public history - newer or low-engagement listing
SpecializationConstruction
Rating5.0 across 1 Google reviews
StatusUnclaimed listing (Google data)
🛡 4.59.3
ServiceAgent Score 7.4/10 · low confidence

The approach

Contractors-Services LLC is a smaller or newer entrant in Fontana with 1 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 1 reviews puts them in the upper tier for construction providers in Fontana.

⚠ 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(928) 778-1125
Websitewww.contractors-services.us
8

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

LocationFontana, CA · 16466 Foothill Blvd, Fontana, CA 92335
EstablishedSome operating history (limited review volume)
SpecializationConstruction
Rating4.4 across 34 Google reviews
StatusUnclaimed listing (Google data)
🛡 4.59.0
ServiceAgent Score 7.2/10 · med confidence

The approach

Final Touch Construction operates in Fontana with 34 Google reviews at 4.4 stars - a steady mid-tier signal in our composite scoring.

  • Maintains an active website with service detail.
  • Active on Google with up-to-date contact info.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

Public review history is limited so far - the headline rating is 4.4 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
Websitefinaltouchconstruction.net
9

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

LocationFontana, CA · 14630 Aliso Dr, Fontana, CA 92337
EstablishedLimited public history - newer or low-engagement listing
SpecializationConstruction
Rating5.0 across 4 Google reviews
StatusUnclaimed listing (Google data)
🛡 4.09.4
ServiceAgent Score 7.2/10 · low confidence

The approach

MKP CONSTRUCTION INC. is a smaller or newer entrant in Fontana with 4 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.

  • 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

5.0-star average across 4 reviews puts them in the upper tier for construction providers in Fontana.

⚠ 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(909) 427-9600
Website
10

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

LocationFontana, CA · 13463 Bunker Hill Pl, Fontana, CA 92336
EstablishedLimited public history - newer or low-engagement listing
SpecializationConstruction
Rating5.0 across 3 Google reviews
StatusUnclaimed listing (Google data)
🛡 4.09.4
ServiceAgent Score 7.2/10 · low confidence

The approach

Fresh Construction Service Fontana is a smaller or newer entrant in Fontana with 3 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.

  • 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

5.0-star average across 3 reviews puts them in the upper tier for construction providers in Fontana.

⚠ 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(909) 927-5413
Website
11

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

LocationFontana, CA · 16155 Sierra Lakes Pkwy, Fontana, CA 92336
EstablishedLimited public history - newer or low-engagement listing
SpecializationConstruction
Rating3.0 across 2 Google reviews
StatusUnclaimed listing (Google data)
🛡 4.59.0
ServiceAgent Score 7.2/10 · low confidence

The approach

Redstar Construction is a smaller or newer entrant in Fontana with 2 public reviews so far. The smaller sample makes the 3.0-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

Public review history is limited so far - the headline rating is 3.0 from 2 reviews. Treat the score as provisional.

⚠ 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(909) 549-1910
Websiteredstarconstructionca.com
12

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

LocationFontana, CA · 14575 Foothill Blvd, Fontana, CA 92335
EstablishedLimited public history - newer or low-engagement listing
SpecializationConstruction
Rating1.0 across 1 Google reviews
StatusUnclaimed listing (Google data)
🛡 4.59.0
ServiceAgent Score 7.2/10 · low confidence

The approach

Build Construction Inc. is a smaller or newer entrant in Fontana with 1 public reviews so far. The smaller sample makes the 1.0-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

Public review history is limited so far - the headline rating is 1.0 from 1 reviews. Treat the score as provisional.

⚠ 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(909) 584-5765
Websitelydiaflowers716.wixsite.com/build-construction-i
13

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

LocationFontana, CA · 9023 Sewell Ave, Fontana, CA 92335
EstablishedLimited public history - newer or low-engagement listing
SpecializationConstruction
Rating4.0 across 8 Google reviews
StatusUnclaimed listing (Google data)
🛡 4.09.0
ServiceAgent Score 7.0/10 · low confidence

The approach

SP Construction Company is a smaller or newer entrant in Fontana with 8 public reviews so far. The smaller sample makes the 4.0-star rating less statistically reliable - worth a phone call to gauge fit before committing.

  • 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

Public review history is limited so far - the headline rating is 4.0 from 8 reviews. Treat the score as provisional.

⚠ 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(909) 677-9183
Website
14

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

LocationFontana, CA · 16742 Valley Blvd, Fontana, CA 92335
EstablishedLimited public history - newer or low-engagement listing
SpecializationConstruction
Rating5.0 across 3 Google reviews
StatusUnclaimed listing (Google data)
🛡 3.59.4
ServiceAgent Score 7.0/10 · low confidence

The approach

Crown General Contractors Fontana is a smaller or newer entrant in Fontana with 3 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.

  • 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

5.0-star average across 3 reviews puts them in the upper tier for construction providers in Fontana.

⚠ 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(909) 703-3862
Website
15

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

LocationFontana, CA · 14814 Randall Ave, Fontana, CA 92335
EstablishedLimited public history - newer or low-engagement listing
SpecializationConstruction
Rating5.0 across 2 Google reviews
StatusUnclaimed listing (Google data)
🛡 3.59.3
ServiceAgent Score 7.0/10 · low confidence

The approach

Monrroy Construction Co.LLC is a smaller or newer entrant in Fontana with 2 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.

  • 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

5.0-star average across 2 reviews puts them in the upper tier for construction providers in Fontana.

⚠ 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(657) 604-6416
Website
16

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

LocationFontana, CA · 16560 Slover Ave, Fontana, CA 92337
EstablishedLimited public history - newer or low-engagement listing
SpecializationConstruction
Rating5.0 across 1 Google reviews
StatusUnclaimed listing (Google data)
🛡 3.59.3
ServiceAgent Score 7.0/10 · low confidence

The approach

Riverfront Construction is a smaller or newer entrant in Fontana with 1 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.

  • 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

5.0-star average across 1 reviews puts them in the upper tier for construction providers in Fontana.

⚠ 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(909) 903-1583
Website
17

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

LocationFontana, CA · 7976 Spohn Ave, Fontana, CA 92336
EstablishedLimited public history - newer or low-engagement listing
SpecializationConstruction
RatingNo public rating yet
StatusUnclaimed listing (Google data)
🛡 3.59.3
ServiceAgent Score 7.0/10 · low confidence

The approach

Onyx Strong Construction is a smaller or newer entrant in Fontana with 0 public reviews so far. The smaller sample makes the 0.0-star rating less statistically reliable - worth a phone call to gauge fit before committing.

  • 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

Public review history is limited so far - the headline rating is 0.0 from 0 reviews. Treat the score as provisional.

⚠ 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(909) 898-6502
Website
18

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

LocationFontana, CA · 17874 Citron Ave, Fontana, CA 92335
EstablishedLimited public history - newer or low-engagement listing
SpecializationConstruction
Rating4.2 across 5 Google reviews
StatusUnclaimed listing (Google data)
🛡 3.59.1
ServiceAgent Score 6.9/10 · low confidence

The approach

Tropical Construction is a smaller or newer entrant in Fontana with 5 public reviews so far. The smaller sample makes the 4.2-star rating less statistically reliable - worth a phone call to gauge fit before committing.

  • 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

Public review history is limited so far - the headline rating is 4.2 from 5 reviews. Treat the score as provisional.

⚠ 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(909) 240-3681
Website
19

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

LocationFontana, CA · 6227 Cooper Ave, Fontana, CA 92336
EstablishedLimited public history - newer or low-engagement listing
SpecializationConstruction
Rating3.7 across 3 Google reviews
StatusUnclaimed listing (Google data)
🛡 2.59.1
ServiceAgent Score 6.5/10 · low confidence

The approach

Marathon Construction is a smaller or newer entrant in Fontana with 3 public reviews so far. The smaller sample makes the 3.7-star rating less statistically reliable - worth a phone call to gauge fit before committing.

  • Active on Google with up-to-date contact info.
  • Active on Google with up-to-date contact info.
  • Active on Google with up-to-date contact info.

✓ Strong review signal

Public review history is limited so far - the headline rating is 3.7 from 3 reviews. Treat the score as provisional.

⚠ 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
Website

Showing 10 of 19.

When demand peaks in Fontana for construction

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

avg = 100May: 145JanFebMarAprMayJunJulAugSepOctNovDec

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%.

Construction cost calculator

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

JobLowHigh
Bathroom remodel (per sq ft)$90,000$160,000
Kitchen remodel (per sq ft)$114,000$210,000
ADU build (per sq ft)$100,000$200,000
Whole-home remodel (per sq ft)$72,000$152,000

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

Who offers commercial construction in Fontana?

TMB Construction and Restoration, Inc. and 18 other construction businesses in Fontana offer commercial service. See the ranked list above; the top picks have the strongest combination of reviews, verification, and commercial signals.

How fast can a commercial construction pro arrive?

Response time varies by provider and current job load. Claimed listings display their average response window directly on the profile - aim for providers showing under-24-hour replies.

What does commercial construction cost in Fontana?

Cost depends on scope and materials. Get at least two written estimates - most Fontana construction providers offer free quotes for commercial work.

Are these providers licensed and insured?

Listings tagged with ✓ Licensed & insured have that signal in their provider data. Always verify directly with the provider before any work, and confirm coverage via your state license board.

How is this list different from the main Construction in Fontana page?

This page is filtered to providers offering commercial service specifically. The main Construction in Fontana page lists every provider regardless of intent.

Frequently asked questions

5 common questions about hiring a construction pro in this area.

Who offers commercial construction in Fontana?

TMB Construction and Restoration, Inc. and 18 other construction businesses in Fontana offer commercial service. See the ranked list above; the top picks have the strongest combination of reviews, verification, and commercial signals.

How fast can a commercial construction pro arrive?

Response time varies by provider and current job load. Claimed listings display their average response window directly on the profile - aim for providers showing under-24-hour replies.

What does commercial construction cost in Fontana?

Cost depends on scope and materials. Get at least two written estimates - most Fontana construction providers offer free quotes for commercial work.

Are these providers licensed and insured?

Listings tagged with ✓ Licensed & insured have that signal in their provider data. Always verify directly with the provider before any work, and confirm coverage via your state license board.

How is this list different from the main Construction in Fontana page?

This page is filtered to providers offering commercial service specifically. The main Construction in Fontana page lists every provider regardless of intent.

Reports & insights

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

Verify any provider's license in California

Always confirm a contractor is in good standing before hiring. California uses the California Contractors State License Board (CSLB). Search by license number, business name, or address.

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About the contributors

Written by

Headshot of Sarah Mitchell

Sarah Mitchell

Senior Staff Writer

Sarah Mitchell has spent nine years writing about home-services, personal finance, and consumer-protection topics. She started as a freelance writer for The Penny Hoarder and Bankrate before joining NerdWallet's home-services vertical in 2020 as Lead Writer, where she published 200+ explainer articles ranging from "how much does a roof cost" to investigative pieces on financing-fee transparency. Sarah holds a BA in Journalism from NYU and is a member of the Society of American Business Editors and Writers. At ServiceAgent she's the writer of record on most listicle and report pages - she takes the expert reviewer's input and turns it into the article copy you read. Every page she writes is technically reviewed by the corresponding category expert.

Credentials

  • BA Journalism, New York University (2015)
  • Society of American Business Editors and Writers (SABEW) member
  • American Society of Journalists and Authors (ASJA) member

Background

  • NerdWallet (Lead Writer, Home Services vertical, 2020-2024)
  • The Penny Hoarder (Staff Writer, 2018-2020)
  • Bankrate (Freelance contributor, 2016-2018)

Brooklyn, NY · 9 years experience · (718) 555-1294

Reviewed by

Headshot of Michael O'Brien

Michael O'Brien

Construction Industry Expert · Reviewer

Michael O'Brien has been a Licensed General Contractor in Massachusetts for 24 years, the last 15 as principal of O'Brien Construction Group, a residential remodel and ADU specialist firm completing 25-40 projects per year ranging from $80K to $1.2M. Before founding the firm he worked his way up from Carpenter to Project Superintendent at Suffolk Construction (4 years) and earned his Construction Supervisor License at age 26. Michael holds an MBA from Harvard Business School (2011), where he wrote his capstone on lean-construction operations at the residential-remodel scale. He reviews ServiceAgent construction content with a focus on transparent pricing models, the legitimate vs predatory deposit-and-milestone schedules, and the homeowner protections built into Massachusetts contractor law.

Credentials

  • Massachusetts Construction Supervisor License (Unrestricted) #CSL-098473
  • Massachusetts Home Improvement Contractor Registration #HIC-178421
  • MBA, Harvard Business School (2011)
  • BS Civil Engineering, Northeastern University (2001)
  • OSHA 30 + Asbestos Awareness

Background

  • O'Brien Construction Group (Founder + Principal, 2010-present)
  • Suffolk Construction (Project Superintendent, 2005-2010)
  • Eastern Massachusetts Carpenters Local 218 (Carpenter, 2001-2005)

Boston, MA · 24 years experience · (617) 555-1042

Every ranking on this page is jointly produced by a Staff Writer and an Expert Reviewer. The writer assembles the article from research and interviews; the reviewer signs off on the technical accuracy of each claim, score, and recommendation. Read our methodology →

Update history
  • June 27, 2026 — Latest ranking refresh. Composite ServiceAgent Scores recomputed from current Google review data.

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