ServiceAgent
CONSTRUCTION·7 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 11, 2026

Construction in Maryland: 20 Top Proes Ranked (2026)

20 verified construction businesses in Maryland, ranked by ServiceAgent Score across 4 cities. Real reviews, transparent methodology, no pay-to-rank.

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

TL;DR

  • 20 verified construction businesses cataloged across 4 cities in Maryland.
  • Top pick: City Builders (Baltimore) with ServiceAgent Score 8.2/10.
  • 0 elite-tier providers (ServiceAgent Score ≥ 8.5/10) in Maryland.
  • Typical construction project cost: $5,000 - $250,000+ - $285/sq ft median for a kitchen remodel, $180/sq ft median for a residential addition.
  • 0 construction providers offer 24/7 or emergency service across Maryland.
  • For a tighter list, drill into your city below - we have a city-by-city ranking for each metro.

Why trust this list

Finding a trustworthy construction pro in Maryland 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 construction provider in Maryland (20 total across 4 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 construction providers in Maryland, 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.

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

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

#ProviderSA Score
#1City Builders8.2
#2TradeMark Construction8.2
#3New Castle Constructs8.2
#4Dewar General Contracting8.2
#5JLR CONSTRUCTION INC8.2
#6DYS Construction LLC8.1
#7Eleazar Construction Services LLC8.0
#8RenoSafe Construction LLC8.0
#9Consider It Done Construction Co. LLC,8.0
#10Quality Construction7.9
#11TRA Construction7.9

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

How we chose these

We rank every active provider in every active construction business in Maryland 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.

Top 20 pros, ranked

Ranked by composite ServiceAgent Score. 20 verified businesses match.

Sort by:
1

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

LocationBaltimore, MD · 1617 S Charles St, Baltimore, MD 21230
EstablishedOperating multiple years (moderate review history)
SpecializationConstruction
Rating4.9 across 185 Google reviews
StatusUnclaimed listing (Google data)
🛡 6.09.7
ServiceAgent Score 8.2/10 · high confidence

The approach

City Builders maintains a strong 4.9-star reputation across 185 reviews in Baltimore, 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 185 reviews is in the top 5% of providers in Baltimore - 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(410) 949-6062
Websitewww.citybuildersmd.com
2

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

LocationBaltimore, MD · 6806 Eastern Ave, Baltimore, MD 21224
EstablishedOperating multiple years (moderate review history)
SpecializationConstruction
Rating4.9 across 152 Google reviews
StatusUnclaimed listing (Google data)
🛡 6.09.7
ServiceAgent Score 8.2/10 · high confidence

The approach

TradeMark Construction maintains a strong 4.9-star reputation across 152 reviews in Baltimore, 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 152 reviews is in the top 5% of providers in Baltimore - 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 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(443) 726-4486
Websitetrademarkconstruct.com
3

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

LocationBaltimore, MD · 4407 Leeds Ave, Baltimore, MD 21229
EstablishedOperating multiple years (moderate review history)
SpecializationConstruction
Rating4.9 across 83 Google reviews
StatusUnclaimed listing (Google data)
🛡 6.09.7
ServiceAgent Score 8.2/10 · high confidence

The approach

New Castle Constructs operates in Baltimore with 83 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 83 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

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(443) 681-9589
Websitenccmd.biz
4

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

LocationBaltimore, MD · 145 W Ostend St Suite 600, Baltimore, MD 21230
EstablishedOperating multiple years (moderate review history)
SpecializationConstruction
Rating4.9 across 71 Google reviews
StatusUnclaimed listing (Google data)
🛡 6.09.7
ServiceAgent Score 8.2/10 · high confidence

The approach

Dewar General Contracting operates in Baltimore with 71 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 71 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(410) 656-4277
Websitedewargc.com
5

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

LocationHalethorpe, MD · 104 Ridge Ave, Halethorpe, MD 21227
EstablishedOperating multiple years (moderate review history)
SpecializationConstruction
Rating4.9 across 56 Google reviews
StatusUnclaimed listing (Google data)
🛡 6.09.6
ServiceAgent Score 8.2/10 · high confidence

The approach

JLR CONSTRUCTION INC operates in Halethorpe with 56 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 56 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(443) 563-3018
Websitejlrconstructioninc.com
6

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

LocationBaltimore, MD · 5900 Winner Ave, Baltimore, MD 21215
EstablishedOperating multiple years (moderate review history)
SpecializationConstruction
Rating4.8 across 93 Google reviews
StatusUnclaimed listing (Google data)
🛡 6.09.5
ServiceAgent Score 8.1/10 · high confidence

The approach

DYS Construction LLC operates in Baltimore with 93 Google reviews at 4.8 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

4.8-star average across 93 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(410) 617-0268
Websitedysconstruction.com
7

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

LocationBaltimore, MD · 152 N East Ave, Baltimore, MD 21224
EstablishedSome operating history (limited review volume)
SpecializationConstruction
Rating5.0 across 45 Google reviews
StatusUnclaimed listing (Google data)
🛡 5.59.7
ServiceAgent Score 8.0/10 · med confidence

The approach

Eleazar Construction Services LLC operates in Baltimore with 45 Google reviews at 5.0 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

5.0-star average across 45 reviews puts them in the upper tier for construction providers in Baltimore.

⚠ 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(443) 986-1037
Websiteeleazarconstruction.com
8

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

LocationBaltimore, MD · 6803 Wellwood Ct, Baltimore, MD 21209
EstablishedSome operating history (limited review volume)
SpecializationConstruction
Rating5.0 across 37 Google reviews
StatusUnclaimed listing (Google data)
🛡 5.59.7
ServiceAgent Score 8.0/10 · med confidence

The approach

RenoSafe Construction LLC operates in Baltimore with 37 Google reviews at 5.0 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

5.0-star average across 37 reviews puts them in the upper tier for construction providers in Baltimore.

⚠ 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(410) 216-4478
Websiterenosafehomes.com
9

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

LocationGwynn Oak, MD · 3709 Hillsdale Rd #7640, Gwynn Oak, MD 21207
EstablishedSome operating history (limited review volume)
SpecializationConstruction
Rating4.9 across 39 Google reviews
StatusUnclaimed listing (Google data)
🛡 5.59.6
ServiceAgent Score 8.0/10 · med confidence

The approach

Consider It Done Construction Co. LLC, operates in Gwynn Oak with 39 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 39 reviews puts them in the upper tier for construction providers in Gwynn Oak.

⚠ 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(443) 623-0092
Websitewww.facebook.com/CIDCONSTRUCTION
10

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

LocationBaltimore, MD · 3413 E Lombard St, Baltimore, MD 21224
EstablishedSome operating history (limited review volume)
SpecializationConstruction
Rating5.0 across 13 Google reviews
StatusUnclaimed listing (Google data)
🛡 5.59.5
ServiceAgent Score 7.9/10 · med confidence

The approach

Quality Construction is a smaller or newer entrant in Baltimore with 13 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 13 reviews puts them in the upper tier for construction providers in Baltimore.

⚠ 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(443) 938-8969
Websitequalityconstruction-md.com
11

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

LocationBaltimore, MD · 5110 Wetheredsville Rd, Baltimore, MD 21207
EstablishedSome operating history (limited review volume)
SpecializationConstruction
Rating5.0 across 13 Google reviews
StatusUnclaimed listing (Google data)
🛡 5.59.5
ServiceAgent Score 7.9/10 · med confidence

The approach

TRA Construction is a smaller or newer entrant in Baltimore with 13 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 13 reviews puts them in the upper tier for construction providers in Baltimore.

⚠ 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(410) 343-9638
Websitewww.traconstruction.com
12

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

LocationBaltimore, MD · 2303 N Charles St, Baltimore, MD 21218
EstablishedSome operating history (limited review volume)
SpecializationConstruction
Rating4.9 across 19 Google reviews
StatusUnclaimed listing (Google data)
🛡 5.59.5
ServiceAgent Score 7.9/10 · med confidence

The approach

Edgemont Builders is a smaller or newer entrant in Baltimore with 19 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 19 reviews puts them in the upper tier for construction providers in Baltimore.

⚠ 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(443) 839-0395
Websiteedgemontbuilders.com
13

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

LocationBaltimore, MD · 1711 Aliceanna St, Baltimore, MD 21231
EstablishedSome operating history (limited review volume)
SpecializationConstruction
Rating4.8 across 26 Google reviews
StatusUnclaimed listing (Google data)
🛡 5.59.4
ServiceAgent Score 7.8/10 · med confidence

The approach

One Source Contracting, LLC operates in Baltimore with 26 Google reviews at 4.8 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

4.8-star average across 26 reviews puts them in the upper tier for construction providers in Baltimore.

⚠ 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(443) 449-7395
Websitewww.onesourcecontract.com
14

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

LocationBaltimore, MD · 2712 Mathews St, Baltimore, MD 21218
EstablishedSome operating history (limited review volume)
SpecializationConstruction
Rating4.5 across 27 Google reviews
StatusUnclaimed listing (Google data)
🛡 5.59.1
ServiceAgent Score 7.7/10 · med confidence

The approach

Maryland Bay Construction operates in Baltimore with 27 Google reviews at 4.5 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

4.5-star average across 27 reviews puts them in the upper tier for construction providers in Baltimore.

⚠ 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(410) 235-5500
Websitemdcontractors.com
15

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

LocationCatonsville, MD · 607 Stoney Ln, Catonsville, MD 21228
EstablishedSome operating history (limited review volume)
SpecializationConstruction
Rating4.4 across 12 Google reviews
StatusUnclaimed listing (Google data)
🛡 5.59.1
ServiceAgent Score 7.7/10 · med confidence

The approach

My Brothers Construction is a smaller or newer entrant in Catonsville with 12 public reviews so far. The smaller sample makes the 4.4-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 4.4 from 12 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(443) 305-2077
Websitemybrothersconstruction.com
16

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

LocationBaltimore, MD · 1318 E Fort Ave, Baltimore, MD 21230
EstablishedLimited public history - newer or low-engagement listing
SpecializationConstruction
Rating4.5 across 8 Google reviews
StatusUnclaimed listing (Google data)
🛡 5.09.2
ServiceAgent Score 7.5/10 · low confidence

The approach

Southway Builders Inc is a smaller or newer entrant in Baltimore with 8 public reviews so far. The smaller sample makes the 4.5-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

4.5-star average across 8 reviews puts them in the upper tier for construction providers in Baltimore.

⚠ 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(410) 332-4134
Websitewww.southwaybuilders.com
17

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

LocationBaltimore, MD · 3200 Elm Ave, Baltimore, MD 21211
EstablishedSome operating history (limited review volume)
SpecializationConstruction
Rating4.1 across 18 Google reviews
StatusUnclaimed listing (Google data)
🛡 5.58.8
ServiceAgent Score 7.5/10 · med confidence

The approach

Centerline Construction Co is a smaller or newer entrant in Baltimore with 18 public reviews so far. The smaller sample makes the 4.1-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 4.1 from 18 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(410) 889-4300
Websitecenter100.com
18

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

LocationBaltimore, MD · 204 E Preston St, Baltimore, MD 21202
EstablishedSome operating history (limited review volume)
SpecializationConstruction
Rating4.0 across 10 Google reviews
StatusUnclaimed listing (Google data)
🛡 5.58.9
ServiceAgent Score 7.5/10 · med confidence

The approach

Allied Contractors, Inc. is a smaller or newer entrant in Baltimore with 10 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.

  • 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 4.0 from 10 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(410) 539-6727
Websitewww.alliedcontractor.com
19

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

LocationBaltimore, MD · 720 S Caton Ave, Baltimore, MD 21229
EstablishedLimited public history - newer or low-engagement listing
SpecializationConstruction
Rating4.2 across 5 Google reviews
StatusUnclaimed listing (Google data)
🛡 4.09.1
ServiceAgent Score 7.1/10 · low confidence

The approach

Economic International Construction Company, Inc. is a smaller or newer entrant in Baltimore 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(410) 327-9105
Website
20

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

LocationBaltimore, MD · 499 Beaumont Ave suite 16, Baltimore, MD 21212
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

Baltimore Construction LLc is a smaller or newer entrant in Baltimore 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 Baltimore.

⚠ 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(410) 633-2585
Website

Showing 10 of 20 ranked pros.

When demand peaks in Maryland 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 is the best construction business in Maryland?

Based on composite ServiceAgent Score across every active provider in Maryland, City Builders in Baltimore ranks #1 (8.2/10). TradeMark Construction in Baltimore (8.2/10) ranks #2 and New Castle Constructs in Baltimore (8.2/10) ranks #3.

How much does construction service cost in Maryland?

Across Maryland, construction jobs span $5,000 - $250,000+ depending on scope. $285/sq ft median for a kitchen remodel, $180/sq ft median for a residential addition. 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 construction providers in Maryland?

Several factors:

• Square footage + complexity (the biggest drivers) • Finish level (the difference between Home Depot and Restoration Hardware is 3-5×) • Permit + structural engineer costs (city-dependent) • Timeline pressure (rushing a job adds 15-25%)

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 construction in Maryland?

Use this checklist:

• State general contractor license (verify on the state board) • Bonded + insured (verify the bond amount matches your project scope) • Detailed written scope, milestone schedule, and payment plan • Permit + inspection responsibilities clearly assigned in the contract • Lien waivers as you pay each milestone

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

What are the biggest red flags?

The patterns we see most often in disputes:

• ⚠️ Asks for more than 10% as a deposit • ⚠️ Verbal estimate only, no written contract with milestones • ⚠️ No general contractor license number you can verify • ⚠️ Bidding is suspiciously low (typically a sign of cut corners or budget overruns later)

Any one of these is reason enough to politely walk.

Frequently asked questions

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

Who is the best construction business in Maryland?

Based on composite ServiceAgent Score across every active provider in Maryland, City Builders in Baltimore ranks #1 (8.2/10). TradeMark Construction in Baltimore (8.2/10) ranks #2 and New Castle Constructs in Baltimore (8.2/10) ranks #3.

How much does construction service cost in Maryland?

Across Maryland, construction jobs span $5,000 - $250,000+ depending on scope. $285/sq ft median for a kitchen remodel, $180/sq ft median for a residential addition. 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 construction providers in Maryland?

Several factors:

• Square footage + complexity (the biggest drivers) • Finish level (the difference between Home Depot and Restoration Hardware is 3-5×) • Permit + structural engineer costs (city-dependent) • Timeline pressure (rushing a job adds 15-25%)

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 construction in Maryland?

Use this checklist:

• State general contractor license (verify on the state board) • Bonded + insured (verify the bond amount matches your project scope) • Detailed written scope, milestone schedule, and payment plan • Permit + inspection responsibilities clearly assigned in the contract • Lien waivers as you pay each milestone

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

What are the biggest red flags?

The patterns we see most often in disputes:

• ⚠️ Asks for more than 10% as a deposit • ⚠️ Verbal estimate only, no written contract with milestones • ⚠️ No general contractor license number you can verify • ⚠️ Bidding is suspiciously low (typically a sign of cut corners or budget overruns later)

Any one of these is reason enough to politely walk.

Where can I find construction pros in my specific city in Maryland?

Drill into your city from the related links. We have city-by-city rankings for 4 Maryland cities - navigate to Maryland › {your city} › Construction.

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.

Reports & insights

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

Verify any provider's license in Maryland

Always confirm a contractor is in good standing before hiring. Maryland uses the Maryland Home Improvement Commission (MHIC). 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 11, 2026 — Latest ranking refresh. Composite ServiceAgent Scores recomputed from current Google review data.