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Best Masonry Contractors in Gaithersburg, MD (2026)

323 masonry contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Gaithersburg: GiROSS CHIMNEY & DUCT SERVICES, CR Score 89/100; 4.8★ from 267 Google reviews; open 7 days a week.

  2. 11

    Best for emergencies (open 24/7): Brick Street Plumbing, Water Heaters, AC & Furnace Repair, posts 24/7 hours; ranked #11 of 323.

  3. 19

    Most-reviewed: Rooftop Chimney Sweeps, 1,913 Google reviews at 5.0★, the most of 323 ranked; ranked #19.

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

323 Gaithersburg masonry contractors are ranked here by CR Score, from 8 published factors. 23 are open 24/7, 197 open Saturdays and 78 open Sundays, based on posted hours. The median Google rating is 4.9★ across 323 rated businesses.

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

Top 10 masonry contractors in Gaithersburg at a glance

Top 10 masonry contractors in Gaithersburg at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1GiROSS CHIMNEY & DUCT SERVICES894.8★ (267)Gaithersburg, 1 mi awaySat · Sun · EveningsOverall
2A1 Masonry Contractors844.9★ (164)Washington, D.C., 19 mi awaySat · Sun · Evenings—
3American Professional Chimney and Masonry834.8★ (268)Hyattsville, 20 mi awaySat · Sun · Evenings—
4A1 Masonry Contractors834.9★ (135)Arlington, 19 mi awaySat · Sun · Evenings—
5High's Chimney Service834.8★ (691)Gaithersburg——
6Capitol Improvements - Gaithersburg Roofing Company & Siding Contractors825.0★ (157)GaithersburgSat · Sun · Evenings—
7NRC Landscape Construction825.0★ (41)McLean, 15 mi awaySat · Sun—
8Earn Contractors Inc824.7★ (9)Gaithersburg——
9Architecture Stones - Veria Marble, Granite & Quartz Countertops814.6★ (225)Rockville, 5 mi awaySat · Sun—
10Lifestyle masonry815.0★ (81)Bethesda, 13 mi awaySat · Evenings—

The 323 best masonry contractors in Gaithersburg, ranked

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

  2. #2 A1 Masonry Contractors

    Based in Washington, D.C., 19 mi away

    84/100CR Score

    Ranked #2 because of its Google rating and trade focus: 4.9★ from 164 Google reviews, listed on Google as “Masonry contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.9★ from 164 Google reviews
    Hours
    Mon–Sun 9 AM–7 PM
    Address
    1775 I St NW Ste 1150, Washington, DC 20006
    View profile for A1 Masonry Contractors(202) 855-3245

  3. #3 American Professional Chimney and Masonry

    Based in Hyattsville, 20 mi away

    83/100CR Score

    Ranked #3 because of its Google rating and trade focus: 4.8★ from 268 Google reviews, listed on Google as “Masonry contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.8★ from 268 Google reviews
    Hours
    Mon–Fri 7:30 AM–6:30 PM · Sat 9 AM–5 PM · Sun 10 AM–2 PM
    Address
    4519 Buchanan St #100, Hyattsville, MD 20781
    View profile for American Professional Chimney and Masonry(301) 699-6050

  4. #4 A1 Masonry Contractors

    Based in Arlington, 19 mi away

    83/100CR Score

    Ranked #4 because of its Google rating and trade focus: 4.9★ from 135 Google reviews, listed on Google as “Masonry contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.9★ from 135 Google reviews
    Hours
    Mon–Sun 9 AM–7 PM
    Address
    1775 I St NW suite 1150, Washington, DC 20006
    View profile for A1 Masonry Contractors(202) 855-3245

  5. #5 High's Chimney Service

    Based in Gaithersburg

    83/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.8★ from 691 Google reviews, listed on Google as “Masonry contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.8★ from 691 Google reviews
    Hours
    Mon–Fri 8 AM–4 PM · Sat–Sun closed
    Address
    7914 Queenair Dr, Gaithersburg, MD 20879
    View profile for High's Chimney Service(301) 519-3500

  7. #7 NRC Landscape Construction

    Based in McLean, 15 mi away

    82/100CR Score

    Ranked #7 because of its Google rating and trade focus: 5.0★ from 41 Google reviews, listed on Google as “Masonry contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 5.0★ from 41 Google reviews
    Hours
    Mon–Fri 7 AM–5 PM · Sat–Sun 6 AM–11:30 PM
    Address
    7921 Jones Branch Dr, McLean, VA 22102
    View profile for NRC Landscape Construction(703) 242-7698

  8. #8 Earn Contractors Inc

    Based in Gaithersburg

    82/100CR Score

    Ranked #8 because of its Google rating and trade focus: 4.7★ from 9 Google reviews, listed on Google as “Masonry contractor”.

    Based on 5 of 8 factors; credentials, recency and availability not yet collected.

    • 4.7★ from 9 Google reviews
    Address
    442 E Diamond Ave, Gaithersburg, MD 20877
    View profile for Earn Contractors Inc(301) 740-3880

  9. #9 Architecture Stones - Veria Marble, Granite & Quartz Countertops

    Based in Rockville, 5 mi away

    81/100CR Score

    Ranked #9 because of its Google rating and availability: 4.6★ from 225 Google reviews, open 7 days a week.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.6★ from 225 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun 10 AM–4 PM
    Address
    1175 Taft St, Rockville, MD 20850
    View profile for Architecture Stones - Veria Marble, Granite & Quartz Countertops(301) 251-8800

  10. #10 Lifestyle masonry

    Based in Bethesda, 13 mi away

    81/100CR Score

    Ranked #10 because of its Google rating and trade focus: 5.0★ from 81 Google reviews, listed on Google as “Masonry contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 5.0★ from 81 Google reviews
    Hours
    Mon–Sat 7 AM–7 PM · Sun closed
    Address
    7201 Wisconsin Ave, Bethesda, MD 20814
    View profile for Lifestyle masonry(240) 223-7766

  12. #12 Fortune Stoneworks

    Based in Silver Spring, 12 mi away

    81/100CR Score

    Ranked #12 because of its Google rating and trade focus: 4.8★ from 22 Google reviews, listed on Google as “Masonry contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.8★ from 22 Google reviews
    Hours
    Mon–Sun 7 AM–5 PM
    Address
    9700 Woodland Dr, Silver Spring, MD 20910
    View profile for Fortune Stoneworks(301) 529-8362

  13. #13 Old World Stone, LLC

    Based in Germantown, 4 mi away

    81/100CR Score

    Ranked #13 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “Masonry contractor”.

    Based on 5 of 8 factors; credentials, recency and availability not yet collected.

    • 4.6★ from 9 Google reviews
    Address
    20420 Watkins Meadow Dr, Germantown, MD 20876
    View profile for Old World Stone, LLC(301) 515-1285

  14. #14 MGS Construction LLC

    Based in Gaithersburg

    81/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.8★ from 29 Google reviews, listed on Google as “Masonry contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.8★ from 29 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat 8 AM–1 PM · Sun closed
    Address
    17 Water St, Gaithersburg, MD 20877
    View profile for MGS Construction LLC(202) 424-9272

  17. #17 ALVES CONSTRUCTION LLC

    Based in Silver Spring, 9 mi away

    81/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.9★ from 52 Google reviews, listed on Google as “Masonry contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.9★ from 52 Google reviews
    Hours
    Mon–Fri 7 AM–7 PM · Sat 9 AM–2 PM · Sun closed
    Address
    3919 Havard St, Silver Spring, MD 20906
    View profile for ALVES CONSTRUCTION LLC(240) 204-2620

  19. #19 Rooftop Chimney Sweeps

    Based in Alexandria, 24 mi away

    80/100CR Score

    Ranked #19 because of its Google rating and review volume: 5.0★ from 1,913 Google reviews, the most Google reviews on this list (1,913).

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 5.0★ from 1,913 Google reviews
    Hours
    Mon–Fri 7:30 AM–5:30 PM · Sat–Sun closed
    Address
    4410 Wheeler Ave, Alexandria, VA 22304
    View profile for Rooftop Chimney Sweeps(703) 278-3897

  20. #20 S&S Paving LLC

    Based in Spring Ridge, 4 mi away

    80/100CR Score

    Ranked #20 because of its Google rating and availability: 5.0★ from 22 Google reviews, open 24/7.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 5.0★ from 22 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for S&S Paving LLC(301) 500-5318

  21. #21 Aragon Chimney Services

    Based in Darnestown, 5 mi away

    80/100CR Score

    Ranked #21 because of its Google rating and trade focus: 5.0★ from 35 Google reviews, listed on Google as “Masonry contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 5.0★ from 35 Google reviews
    Hours
    Mon–Fri 9 AM–4 PM · Sat 7 AM–1 PM · Sun closed
    View profile for Aragon Chimney Services(301) 706-8564

  22. #22 A1 Provision Contractor

    Based in East Hanover, 13 mi away

    80/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.7★ from 15 Google reviews, listed on Google as “Masonry contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.7★ from 15 Google reviews
    Hours
    Mon–Sun 9 AM–8 PM
    View profile for A1 Provision Contractor(202) 855-0543

  23. #23 Actaeon LLC

    Based in Beltsville, 17 mi away

    80/100CR Score

    Ranked #23 because of its Google rating and availability: 4.9★ from 101 Google reviews, open 24/7.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 4.9★ from 101 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    4600 Powder Mill Rd suite 450-c, Beltsville, MD 20705
    View profile for Actaeon LLC(240) 851-3517

  24. #24 Stone Restoration Specialists - Hardwood Refinishing - General Floor Services Llc.

    Based in Bethesda, 9 mi away

    80/100CR Score

    Ranked #24 because of its Google rating and availability: 5.0★ from 8 Google reviews, open 24/7.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 5.0★ from 8 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    Democracy Blvd, Bethesda, MD 20817
    View profile for Stone Restoration Specialists - Hardwood Refinishing - General Floor Services Llc.(240) 316-9127

  25. #25 Art Masonry Inc.

    Based in Ashburn, 23 mi away

    80/100CR Score

    Ranked #25 because of its Google rating and trade focus: 5.0★ from 33 Google reviews, listed on Google as “Masonry contractor”.

    Based on 6 of 8 factors; credentials and recency not yet collected.

    • 5.0★ from 33 Google reviews
    Hours
    Mon–Sun 8 AM–8 PM
    View profile for Art Masonry Inc.(703) 327-9320

How we ranked Gaithersburg masonry contractors

We scored 323 Gaithersburg masonry contractors 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

Masonry contractors in Gaithersburg: frequently asked questions

Who is the best masonry contractor in Gaithersburg?

By CR Score, the highest-ranked masonry contractor in Gaithersburg, MD is GiROSS CHIMNEY & DUCT SERVICES with a CR Score of 89/100. It has 4.8★ from 267 Google reviews. It is open 7 days a week. A1 Masonry Contractors (#2) and American Professional Chimney and Masonry (#3) follow. We ranked 323 masonry contractors on 8 factors, last updated October 22, 2026.

How many masonry contractors are there in Gaithersburg?

ContractorsRanked ranks 323 masonry contractors serving Gaithersburg, MD. 4 of them are based in Gaithersburg; the rest serve it from nearby towns. Counts are as of October 2026.

Which masonry contractors in Gaithersburg are open 24/7?

23 ranked masonry contractors in Gaithersburg post 24/7 hours. The highest-ranked are Brick Street Plumbing, Water Heaters, AC & Furnace Repair (#11), ALPHA PAVING & MASONRY (#15) and Blue Premium Construction (#18). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which masonry contractors in Gaithersburg work on weekends?

197 of 323 ranked masonry contractors post Saturday hours and 78 post Sunday hours. The highest-ranked open Saturdays are GiROSS CHIMNEY & DUCT SERVICES (#1), A1 Masonry Contractors (#2) and American Professional Chimney and Masonry (#3). Posted hours are office hours; crews may book weekend jobs separately.

What Google rating do Gaithersburg masonry contractors have?

The median Google rating among 323 rated masonry contractors in Gaithersburg is 4.9★, with a median of 21 reviews. Rooftop Chimney Sweeps has the most, 1,913 reviews, and ranks #19. We adjust ratings for review count, so a few five-star reviews cannot top the list.

How does ContractorsRanked rank masonry contractors?

Each masonry contractor gets a 0–100 CR Score from 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Do masonry contractors outside Gaithersburg count in this ranking?

Yes, if they are within 25 mi of the Gaithersburg city center, our service radius for masonry contractors. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.

Can masonry contractors pay to rank higher on ContractorsRanked?

No. The CR Score never reads payment status, and this ranking has 0 paid placements. Up to 3 Featured businesses may appear above the list, labelled Featured and showing their honest rank.

Update log for Gaithersburg

  1. October 2026: CR Scores recalculated for 323 masonry contractors serving Gaithersburg.

More masonry contractors and Gaithersburg pages

Other trades in Gaithersburg