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ContractorsRanked

Best Roofers in Gaithersburg, MD (2026)

1,543 roofers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Gaithersburg: American Home Contractors, CR Score 94/100; 4.9★ from 3,700 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Shanco Roofing, posts 24/7 hours; ranked #2 of 1,543.

  3. 8

    Most-reviewed: Home Crafters Roofing & Contracting, 2,874 Google reviews at 5.0★, the most of 1,543 ranked after American Home Contractors; ranked #8.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

1,543 Gaithersburg roofers are ranked here by CR Score, from 8 published factors. 255 are open 24/7, 994 open Saturdays and 495 open Sundays, based on posted hours. The median Google rating is 4.9★ across 1,543 rated businesses.

Most of this list also appears on the Roofers in Germantown ranking. See Roofers in Germantown

Top 10 roofers in Gaithersburg at a glance

Top 10 roofers in Gaithersburg at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1American Home Contractors944.9★ (3,700)Washington, D.C., 16 mi away24/7Overall
2Shanco Roofing934.9★ (401)Gaithersburg24/7Emergencies
3American Home Contractors924.9★ (2,385)Chantilly, 22 mi away24/7—
4BRAX Roofing924.8★ (447)Gaithersburg24/7—
5New Paradigm Projects924.9★ (270)Gaithersburg24/7—
6Universal Roofing915.0★ (314)Bethesda, 11 mi away24/7—
7PRG LLC915.0★ (263)Damascus, 12 mi away24/7—
8Home Crafters Roofing & Contracting905.0★ (2,874)Parkville, 39 mi away24/7Most reviews
9Semper West Roofing905.0★ (303)Frederick, 19 mi away24/7—
10E&E Contracting LLC895.0★ (140)Silver Spring, 12 mi away24/7—

The 1,543 best roofers in Gaithersburg, ranked

Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.

Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  2. #2 Shanco Roofing

    Based in Gaithersburg

    93/100CR Score

    Ranked #2 because of its Google rating and availability: 4.9★ from 401 Google reviews, open 24/7.

    • 4.9★ from 401 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    7404 Lindbergh Dr suite g, Gaithersburg, MD 20879
    View profile for Shanco Roofing(301) 208-0848

  4. #4 BRAX Roofing

    Based in Gaithersburg

    92/100CR Score

    Ranked #4 because of its Google rating and availability: 4.8★ from 447 Google reviews, open 24/7.

    • 4.8★ from 447 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    7851 Beechcraft Ave Suite A, Gaithersburg, MD 20879
    View profile for BRAX Roofing(240) 658-8016

  7. #7 PRG LLC

    Based in Damascus, 12 mi away

    91/100CR Score

    Ranked #7 because of its Google rating and availability: 5.0★ from 263 Google reviews, open 24/7.

    • 5.0★ from 263 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    27421 Clarksburg Rd, Damascus, MD 20872
    View profile for PRG LLC(240) 481-8870

  13. #13 Core Team Inc.

    Based in Bethesda, 13 mi away

    89/100CR Score

    Ranked #13 because of its Google rating and availability: 5.0★ from 113 Google reviews, open 24/7.

    • 5.0★ from 113 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    4800 Hampden Ln #200, Bethesda, MD 20814
    View profile for Core Team Inc.(301) 960-8060

  16. #16 TEO Roofing

    Based in Frederick, 20 mi away

    89/100CR Score

    Ranked #16 because of its Google rating and availability: 4.9★ from 283 Google reviews, open 24/7.

    • 4.9★ from 283 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5229 New Design Rd, Frederick, MD 21703
    View profile for TEO Roofing(301) 466-3630

  19. #19 Nova Rooftek

    Based in McLean, 14 mi away

    88/100CR Score

    Ranked #19 because of its Google rating and availability: 4.9★ from 144 Google reviews, open 24/7.

    • 4.9★ from 144 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1360 Beverly Rd Unit #104, McLean, VA 22101
    View profile for Nova Rooftek(703) 407-2714

  24. #24 Fab Build Pro

    Based in Vienna, 16 mi away

    88/100CR Score

    Ranked #24 because of its Google rating and availability: 4.9★ from 136 Google reviews, open 24/7.

    • 4.9★ from 136 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1934 Old Gallows Rd STE 350, Vienna, VA 22182
    View profile for Fab Build Pro(202) 997-5531

Roofers ranked #29 to #37

#1 to #25 are shown in full above. Here are #29 to #37, in CR Score order; each links to its profile. We publish the top 37 of 1,543 ranked roofers here; the rest are on their profiles.

roofers in Gaithersburg, ranks 29 to 37
RankBusinessCR ScoreGoogle ratingDistance
29Certified Roofing884.8★ (231)19 mi
37Erie Home874.7★ (251)18 mi

Also serving Gaithersburg

1 more roofers within 40 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.

Unranked roofers serving Gaithersburg
BusinessGoogle ratingDistance
EJB Roofing5.0★ (49)7 mi

How much do roofers cost in Gaithersburg?

Typical prices in USD: adjusted for Maryland where a published index exists, national otherwise. Each row names its basis.

How much do roofers cost in Gaithersburg?
JobLowTypicalHighBasisChecked
Roof replacement$7,590$10,120$14,170Per project: asphalt shingles on a 1,700 sq ft home (about 2,000 sq ft of roof). US national range × 1.01 South Atlantic factor (2025 Cost vs. Value Report)October 2026
Roof repair$395$1,174$1,968Per repair: typical range of customer-reported jobs. US national rangeOctober 2026

How to check a roofer's license in Maryland

In Maryland, Maryland Home Improvement Commission licenses Home improvement contractor licenses for residential roofing.

  1. Check that the status is active and the name matches the contract or truck.
  2. Ask for proof of insurance before work starts.

No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.

Guide checked October 2026. How we verify licenses

When to hire a roofer in Maryland

Roofers are busiest from late spring to early fall, so booking in winter usually means shorter waits. After a big storm, get more than one quote and check the license or registration before signing.

How we ranked Gaithersburg roofers

We scored 1,543 Gaithersburg roofers on 8 factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. Unknown factors are left out of the score, not counted as zero. Scores last refreshed October 22, 2026.

Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Gaithersburg data
Reputation35%Bayesian-adjusted Google star ratingMeasured
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2Not yet collected
Review volume10%log10(reviews + 1) against the list maximumMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability10%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5Measured
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radiusMeasured
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)Measured

Roofers in Gaithersburg: frequently asked questions

Who is the best roofer in Gaithersburg?

By CR Score, the highest-ranked roofer in Gaithersburg, MD is American Home Contractors with a CR Score of 94/100. It has 4.9★ from 3,700 Google reviews. It is open 24/7. Shanco Roofing (#2) and American Home Contractors (#3) follow. We ranked 1,543 roofers on 8 factors, last updated October 22, 2026.

How many roofers are there in Gaithersburg?

ContractorsRanked ranks 1,543 roofers serving Gaithersburg, MD. 5 of them are based in Gaithersburg; the rest serve it from nearby towns. Another 1 within 40 mi are listed but not ranked yet. Counts are as of October 2026.

Which roofers in Gaithersburg are open 24/7?

255 ranked roofers in Gaithersburg post 24/7 hours. The highest-ranked are American Home Contractors (#1), Shanco Roofing (#2) and American Home Contractors (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which roofers in Gaithersburg work on weekends?

994 of 1,543 ranked roofers post Saturday hours and 495 post Sunday hours. The highest-ranked open Saturdays are American Home Contractors (#1), Shanco Roofing (#2) and American Home Contractors (#3). Posted hours are office hours; crews may book weekend jobs separately.

How do I check a roofer's license in Maryland?

In Maryland, Maryland Home Improvement Commission handles licensing and covers Home improvement contractor licenses for residential roofing.

How much does roof replacement cost in Gaithersburg?

Roof replacement typically costs $7,590 to $14,170, with $10,120 typical (Per project: asphalt shingles on a 1,700 sq ft home (about 2,000 sq ft of roof). US national range × 1.01 South Atlantic factor (2025 Cost vs. Value Report)). The range is adjusted for Maryland. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Gaithersburg roofers have?

The median Google rating among 1,543 rated roofers in Gaithersburg is 4.9★, with a median of 21 reviews. American Home Contractors has the most, 3,700 reviews, and ranks #1. We adjust ratings for review count, so a few five-star reviews cannot top the list.

When is the best time to hire a roofer in Gaithersburg?

Roofers are busiest from late spring to early fall, so booking in winter usually means shorter waits. After a big storm, get more than one quote and check the license or registration before signing.

Update log for Gaithersburg

  1. October 2026: CR Scores recalculated for 1,543 roofers serving Gaithersburg.
  2. October 2026: 20 duplicate listings merged.

More roofers and Gaithersburg pages

Other trades in Gaithersburg