86/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.8★ from 267 Google reviews, listed on Google as “Masonry contractor”.
- 4.8★ from 267 Google reviews
- Hours
- Mon–Sun 7 AM–8 PM
- Address
- Gaithersburg, MD 20877
Best Masonry Contractors in Ashton-Sandy Spring, MD (2026)
315 masonry contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Ashton-Sandy Spring: GiROSS CHIMNEY & DUCT SERVICES, CR Score 86/100; 4.8★ from 267 Google reviews; open 7 days a week.
- 2
Best for emergencies (open 24/7): RSA Paving, posts 24/7 hours; ranked #2 of 315.
- 20
Most-reviewed: Rooftop Chimney Sweeps, 1,913 Google reviews at 5.0★, the most of 315 ranked; ranked #20.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
315 Ashton-Sandy Spring masonry contractors are ranked here by CR Score, from 8 published factors. 22 are open 24/7, 191 open Saturdays and 77 open Sundays, based on posted hours. The median Google rating is 4.9★ across 315 rated businesses.
Top 10 masonry contractors in Ashton-Sandy Spring at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | GiROSS CHIMNEY & DUCT SERVICES | 86 | 4.8★ (267) | Gaithersburg, 11 mi away | Sat · Sun · Evenings | Overall |
| 2 | RSA Paving | 85 | 4.9★ (126) | Severna Park, 24 mi away | 24/7 | Emergencies |
| 3 | American Professional Chimney and Masonry | 85 | 4.8★ (268) | Hyattsville, 14 mi away | Sat · Sun · Evenings | — |
| 4 | A1 Masonry Contractors | 84 | 4.9★ (164) | Washington, D.C., 17 mi away | Sat · Sun · Evenings | — |
| 5 | Petra Contractors Inc | 84 | 4.7★ (91) | Glen Burnie, 21 mi away | 24/7 | — |
| 6 | A1 Masonry Contractors | 84 | 4.9★ (135) | Arlington, 17 mi away | Sat · Sun · Evenings | — |
| 7 | C Wells Asphalt Paving & Seal Coating | 83 | 4.9★ (62) | Elkridge, 15 mi away | Sat · Sun · Evenings | — |
| 8 | Actaeon LLC | 82 | 4.9★ (101) | Beltsville, 9 mi away | 24/7 | — |
| 9 | Fortune Stoneworks | 82 | 4.8★ (22) | Silver Spring, 10 mi away | Sat · Sun | — |
| 10 | NRC Landscape Construction | 81 | 5.0★ (41) | McLean, 19 mi away | Sat · Sun | — |
The 315 best masonry contractors in Ashton-Sandy Spring, 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 RSA Paving
Based in Severna Park, 24 mi away
85/100CR ScoreRanked #2 because of its Google rating and availability: 4.9★ from 126 Google reviews, open 24/7.
- 4.9★ from 126 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 805 Dunfer Hill Rd, Severna Park, MD 21146
Based in Hyattsville, 14 mi away
85/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.8★ from 268 Google reviews, listed on Google as “Masonry contractor”.
- 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
Based in Washington, D.C., 17 mi away
84/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 164 Google reviews, listed on Google as “Masonry contractor”.
- 4.9★ from 164 Google reviews
- Hours
- Mon–Sun 9 AM–7 PM
- Address
- 1775 I St NW Ste 1150, Washington, DC 20006
Based in Glen Burnie, 21 mi away
84/100CR ScoreRanked #5 because of its Google rating and availability: 4.7★ from 91 Google reviews, open 24/7.
- 4.7★ from 91 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1414 Crain Hwy N STE 6B, Glen Burnie, MD 21061
Based in Arlington, 17 mi away
84/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 135 Google reviews, listed on Google as “Masonry contractor”.
- 4.9★ from 135 Google reviews
- Hours
- Mon–Sun 9 AM–7 PM
- Address
- 1775 I St NW suite 1150, Washington, DC 20006
Based in Elkridge, 15 mi away
83/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 62 Google reviews, listed on Google as “Masonry contractor”.
- 4.9★ from 62 Google reviews
- Hours
- Mon–Sun 7 AM–8 PM
- Address
- 6058 A Hunt Club Rd, Elkridge, MD 21075
#8 Actaeon LLC
Based in Beltsville, 9 mi away
82/100CR ScoreRanked #8 because of its Google rating and availability: 4.9★ from 101 Google reviews, open 24/7.
- 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
Based in Silver Spring, 10 mi away
82/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.8★ from 22 Google reviews, listed on Google as “Masonry contractor”.
- 4.8★ from 22 Google reviews
- Hours
- Mon–Sun 7 AM–5 PM
- Address
- 9700 Woodland Dr, Silver Spring, MD 20910
Based in McLean, 19 mi away
81/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 41 Google reviews, listed on Google as “Masonry contractor”.
- 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
Based in Bethesda, 13 mi away
81/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 81 Google reviews, listed on Google as “Masonry contractor”.
- 5.0★ from 81 Google reviews
- Hours
- Mon–Sat 7 AM–7 PM · Sun closed
- Address
- 7201 Wisconsin Ave, Bethesda, MD 20814
Based in Silver Spring, 7 mi away
81/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.9★ from 52 Google reviews, listed on Google as “Masonry contractor”.
- 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
#13 Cooper Paving
Based in Glen Burnie, 19 mi away
81/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.7★ from 80 Google reviews, listed on Google as “Masonry contractor”.
- 4.7★ from 80 Google reviews
- Hours
- Mon–Sun 7 AM–6 PM
- Address
- 1103 Dorsey Rd, Glen Burnie, MD 21061
Based in Bel Air North, 24 mi away
81/100CR ScoreRanked #14 because of its Google rating and availability: 4.8★ from 156 Google reviews, open 24/7.
- 4.8★ from 156 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Rockville, 8 mi away
81/100CR ScoreRanked #15 because of its Google rating and availability: 4.6★ from 225 Google reviews, open 7 days a week.
- 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
#16 Sandco LLC
Based in West Elkridge, 15 mi away
80/100CR ScoreRanked #16 because of its Google rating and availability: 5.0★ from 89 Google reviews, open 24/7.
- 5.0★ from 89 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Owings Mills, 22 mi away
80/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 191 Google reviews, listed on Google as “Masonry contractor”.
- 5.0★ from 191 Google reviews
- Hours
- Mon–Fri 8 AM–6 PM · Sat closed · Sun 8 AM–6 PM
- Address
- 27 Preakness Ct, Owings Mills, MD 21117
Based in Baltimore, 18 mi away
80/100CR ScoreRanked #18 because of its Google rating and availability: 5.0★ from 5 Google reviews, open 24/7.
- 5.0★ from 5 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Gaithersburg, 9 mi away
80/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.8★ from 691 Google reviews, listed on Google as “Masonry contractor”.
- 4.8★ from 691 Google reviews
- Hours
- Mon–Fri 8 AM–4 PM · Sat–Sun closed
- Address
- 7914 Queenair Dr, Gaithersburg, MD 20879
Based in Alexandria, 24 mi away
80/100CR ScoreRanked #20 because of its Google rating and review volume: 5.0★ from 1,913 Google reviews, the most Google reviews on this list (1,913).
- 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
Based in Gaithersburg, 9 mi away
80/100CR ScoreRanked #21 because of its Google rating and availability: 5.0★ from 157 Google reviews, open 7 days a week.
- 5.0★ from 157 Google reviews
- Hours
- Mon–Sun 5 AM–11:30 PM
- Address
- 7916 Plum Creek Dr, Gaithersburg, MD 20879
Based in Baltimore, 24 mi away
80/100CR ScoreRanked #22 because of its Google rating and availability: 5.0★ from 10 Google reviews, open 24/7.
- 5.0★ from 10 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 720 S Montford Ave, Baltimore, MD 21224
Based in Silver Spring, 8 mi away
80/100CR ScoreRanked #23 because of its Google rating and availability: 5.0★ from 28 Google reviews, open 24/7.
- 5.0★ from 28 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 11249 Lockwood Dr suite c, Silver Spring, MD 20901
#24 S&S Paving LLC
Based in Spring Ridge, 7 mi away
80/100CR ScoreRanked #24 because of its Google rating and availability: 5.0★ from 22 Google reviews, open 24/7.
- 5.0★ from 22 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Washington, D.C., 17 mi away
79/100CR ScoreRanked #25 because of its Google rating and availability: 5.0★ from 66 Google reviews, open 24/7.
- 5.0★ from 66 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1015 15th St NW #635, Washington, DC 20005
Masonry contractors ranked #26 to #50
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 315 ranked masonry contractors here; the rest are on their profiles.
Also serving Ashton-Sandy Spring
20 more masonry contractors within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
How we ranked Ashton-Sandy Spring masonry contractors
We scored 315 Ashton-Sandy Spring 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.
| Factor | Weight | Computed from | In Ashton-Sandy Spring data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |
Masonry contractors in Ashton-Sandy Spring: frequently asked questions
Who is the best masonry contractor in Ashton-Sandy Spring?
By CR Score, the highest-ranked masonry contractor in Ashton-Sandy Spring, MD is GiROSS CHIMNEY & DUCT SERVICES with a CR Score of 86/100. It has 4.8★ from 267 Google reviews. It is open 7 days a week. RSA Paving (#2) and American Professional Chimney and Masonry (#3) follow. We ranked 315 masonry contractors on 8 factors, last updated October 22, 2026.
How many masonry contractors are there in Ashton-Sandy Spring?
ContractorsRanked ranks 315 masonry contractors serving Ashton-Sandy Spring, MD. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which masonry contractors in Ashton-Sandy Spring are open 24/7?
22 ranked masonry contractors in Ashton-Sandy Spring post 24/7 hours. The highest-ranked are RSA Paving (#2), Petra Contractors Inc (#5) and Actaeon LLC (#8). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which masonry contractors in Ashton-Sandy Spring work on weekends?
191 of 315 ranked masonry contractors post Saturday hours and 77 post Sunday hours. The highest-ranked open Saturdays are GiROSS CHIMNEY & DUCT SERVICES (#1), RSA Paving (#2) and American Professional Chimney and Masonry (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Ashton-Sandy Spring masonry contractors have?
The median Google rating among 315 rated masonry contractors in Ashton-Sandy Spring is 4.9★, with a median of 19 reviews. Rooftop Chimney Sweeps has the most, 1,913 reviews, and ranks #20. 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 Ashton-Sandy Spring count in this ranking?
Yes, if they are within 25 mi of the Ashton-Sandy Spring 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 Ashton-Sandy Spring
- October 2026: CR Scores recalculated for 315 masonry contractors serving Ashton-Sandy Spring.
- October 2026: 1 duplicate listing merged.
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