90/100CR Score
Ranked #1 because of its Google rating and availability: 5.0★ from 134 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 134 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Best General Contractors in Rockville, MD (2026)
1,633 general contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Rockville: DeTOP Services LLC, CR Score 90/100; 5.0★ from 134 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): iRoof USA, posts 24/7 hours; ranked #2 of 1,633.
- 37
Most-reviewed: The Container Store, 378 Google reviews at 4.3★, the most of 1,633 ranked; ranked #37.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
1,633 Rockville general contractors are ranked here by CR Score, from 8 published factors. 126 are open 24/7, 880 open Saturdays and 332 open Sundays, based on posted hours. The median Google rating is 5.0★ across 1,633 rated businesses.
Top 10 general contractors in Rockville at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | DeTOP Services LLC | 90 | 5.0★ (134) | Sudley, 16 mi away | 24/7 | Overall |
| 2 | iRoof USA | 90 | 5.0★ (29) | Rockville | 24/7 | Emergencies |
| 3 | Equality Builders | 90 | 4.9★ (52) | Bethesda, 6 mi away | 24/7 | — |
| 4 | BasementRemodeling.com | 89 | 5.0★ (77) | Rockville | Sat · Sun · Evenings | — |
| 5 | Atlantis Design and Build | 89 | 4.9★ (37) | Gaithersburg, 3 mi away | 24/7 | — |
| 6 | First American General Contracting | 89 | 5.0★ (26) | North Bethesda, 3 mi away | 24/7 | — |
| 7 | Global Renovations LLC | 89 | 5.0★ (104) | Gaithersburg, 6 mi away | Sat · Sun · Evenings | — |
| 8 | Stello Homes Design Build | 88 | 5.0★ (108) | Chantilly, 21 mi away | 24/7 | — |
| 9 | ND Contractors | 88 | 5.0★ (22) | Aspen Hill, 5 mi away | 24/7 | — |
| 10 | i4 Improvements | 88 | 4.9★ (55) | Arlington, 14 mi away | 24/7 | — |
The 1,633 best general contractors in Rockville, ranked
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
#2 iRoof USA
Based in Rockville
90/100CR ScoreRanked #2 because of its Google rating and availability: 5.0★ from 29 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 29 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1801 Chapman Ave Suite 314, Rockville, MD 20852
Based in Bethesda, 6 mi away
90/100CR ScoreRanked #3 because of its Google rating and availability: 4.9★ from 52 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.9★ from 52 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 10800 Connecticut Ave, Kensington, MD 20895
Based in Rockville
89/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 77 Google reviews, listed on Google as “General contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 77 Google reviews
- Hours
- Mon–Fri 8 AM–12 AM · Sat–Sun 9 AM–9 PM
- Address
- 1680 E Gude Dr, Rockville, MD 20850
Based in Gaithersburg, 3 mi away
89/100CR ScoreRanked #5 because of its Google rating and availability: 4.9★ from 37 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.9★ from 37 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 9841 Washingtonian Blvd, Gaithersburg, MD 20878
Based in North Bethesda, 3 mi away
89/100CR ScoreRanked #6 because of its Google rating and availability: 5.0★ from 26 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 26 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 11810 Grand Park Ave # 500, North Bethesda, MD 20852
Based in Gaithersburg, 6 mi away
89/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 104 Google reviews, listed on Google as “General contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 104 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
- Address
- 1023 Southern Night Ln, Gaithersburg, MD 20879
Based in Chantilly, 21 mi away
88/100CR ScoreRanked #8 because of its Google rating and availability: 5.0★ from 108 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 108 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4460 Brookfield Corporate Dr #E, Chantilly, VA 20151
Based in Aspen Hill, 5 mi away
88/100CR ScoreRanked #9 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
#10 i4 Improvements
Based in Arlington, 14 mi away
88/100CR ScoreRanked #10 because of its Google rating and availability: 4.9★ from 55 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.9★ from 55 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1104D N Quincy St, Arlington, VA 22201
Based in Gaithersburg, 3 mi away
88/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.9★ from 66 Google reviews, listed on Google as “General contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.9★ from 66 Google reviews
- Hours
- Mon–Sun 7 AM–9 PM
- Address
- 9701 Fields Rd, Gaithersburg, MD 20878
Based in Rockville
87/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 37 Google reviews, listed on Google as “General contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 37 Google reviews
- Hours
- Mon–Sun 7 AM–6 PM
- Address
- 16006 Sycamore Ln, Rockville, MD 20853
Based in Washington, D.C., 13 mi away
87/100CR ScoreRanked #13 because of its Google rating and availability: 5.0★ from 36 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 36 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2121 14th St NW, Washington, DC 20009
Based in Mount Vernon, 19 mi away
87/100CR ScoreRanked #14 because of its Google rating and availability: 5.0★ from 96 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 96 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Gaithersburg, 3 mi away
87/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.8★ from 57 Google reviews, listed on Google as “General contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.8★ from 57 Google reviews
- Hours
- Mon–Sun 9 AM–7 PM
- Address
- 9711 Washingtonian Blvd Suite 550, Gaithersburg, MD 20878
Based in Annandale, 17 mi away
87/100CR ScoreRanked #16 because of its Google rating and availability: 5.0★ from 47 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 47 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4202 Whitney St #10, Annandale, VA 22003
Based in Columbia, 18 mi away
87/100CR ScoreRanked #17 because of its Google rating and availability: 5.0★ from 51 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 51 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 11110 Broken Land Pkwy, Columbia, MD 21044
#18 Sandco LLC
Based in West Elkridge, 24 mi away
87/100CR ScoreRanked #18 because of its Google rating and availability: 5.0★ from 89 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 89 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Bethesda, 8 mi away
87/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.9★ from 73 Google reviews, listed on Google as “General contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.9★ from 73 Google reviews
- Hours
- Mon–Sun 7 AM–5 PM
- Address
- 7170 Woodmont Ave, Bethesda, MD 20815
Based in Centreville, 24 mi away
87/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 265 Google reviews, listed on Google as “Construction company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 265 Google reviews
- Hours
- Mon–Sun 8 AM–10 PM
- Address
- 6104 Gothwaite Dr, Centreville, VA 20120
#21 Top Remodeling
Based in Rockville
86/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.9★ from 140 Google reviews, listed on Google as “Contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 4.9★ from 140 Google reviews
- Hours
- Mon–Fri 9 AM–5 PM · Sat closed · Sun 9 AM–5 PM
- Address
- 1620 E Jefferson St pl14, Rockville, MD 20852
Based in Bowie, 20 mi away
86/100CR ScoreRanked #22 because of its Google rating and availability: 5.0★ from 50 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 50 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 10111 Martin Luther King Jr Hwy, Bowie, MD 20720
Based in Washington, D.C., 15 mi away
86/100CR ScoreRanked #23 because of its Google rating and availability: 5.0★ from 33 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 33 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 200 Massachusetts Ave NW Ste 700, Washington, DC 20001
#24 Granite Works
Based in Rockville
86/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.5★ from 60 Google reviews, listed on Google as “General contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
- 4.5★ from 60 Google reviews
- Address
- 12011 Nebel St, Rockville, MD 20852
Based in Reston, 14 mi away
86/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 119 Google reviews, listed on Google as “Construction company”.
Based on 6 of 8 factors; credentials and recency not yet collected.
- 5.0★ from 119 Google reviews
- Hours
- Mon–Fri 10 AM–5 PM · Sat 10 AM–4 PM · Sun 11 AM–4 PM
- Address
- 11710 Plaza America Dr Suite 710, Reston, VA 20190
General 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 1,633 ranked general contractors here; the rest are on their profiles.
Also serving Rockville
20 more general 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 much do general contractors cost in Rockville?
Typical prices in USD, adjusted for Maryland with a published regional index. Each row names its basis and month.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Kitchen remodel | $14,650 | $27,090 | $41,780 | Per project: typical range of customer-reported remodels (about $75 to $250 per sq ft). US national range × 1.00 South Atlantic factor (2025 Cost vs. Value Report) | October 2026 |
| Bathroom remodel | $6,520 | $11,910 | $17,300 | Per bathroom: typical range of customer-reported remodels. US national range × 0.98 South Atlantic factor (2025 Cost vs. Value Report) | October 2026 |
How to check a general contractor's license in Maryland
In Maryland, Maryland Home Improvement Commission licenses Home improvement contractor licenses for residential work.
- Check that the status is active and the name matches the contract or truck.
- 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
How we ranked Rockville general contractors
We scored 1,633 Rockville general 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 Rockville 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 |
General contractors in Rockville: frequently asked questions
Who is the best general contractor in Rockville?
By CR Score, the highest-ranked general contractor in Rockville, MD is DeTOP Services LLC with a CR Score of 90/100. It has 5.0★ from 134 Google reviews. It is open 24/7. iRoof USA (#2) and Equality Builders (#3) follow. We ranked 1,633 general contractors on 8 factors, last updated October 22, 2026.
How many general contractors are there in Rockville?
ContractorsRanked ranks 1,633 general contractors serving Rockville, MD. 5 of them are based in Rockville; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which general contractors in Rockville are open 24/7?
126 ranked general contractors in Rockville post 24/7 hours. The highest-ranked are DeTOP Services LLC (#1), iRoof USA (#2) and Equality Builders (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which general contractors in Rockville work on weekends?
880 of 1,633 ranked general contractors post Saturday hours and 332 post Sunday hours. The highest-ranked open Saturdays are DeTOP Services LLC (#1), iRoof USA (#2) and Equality Builders (#3). Posted hours are office hours; crews may book weekend jobs separately.
How do I check a general contractor's license in Maryland?
In Maryland, Maryland Home Improvement Commission handles licensing and covers Home improvement contractor licenses for residential work.
How much does kitchen remodel cost in Rockville?
Kitchen remodel typically costs $14,650 to $41,780, with $27,090 typical (Per project: typical range of customer-reported remodels (about $75 to $250 per sq ft). US national range × 1.00 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 Rockville general contractors have?
The median Google rating among 1,633 rated general contractors in Rockville is 5.0★, with a median of 9 reviews. The Container Store has the most, 378 reviews, and ranks #37. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank general contractors?
Each general 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.
Update log for Rockville
- October 2026: CR Scores recalculated for 1,633 general contractors serving Rockville.
- October 2026: 15 duplicate listings merged.
More general contractors and Rockville pages
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