88/100CR Score
Ranked #1 because of its Google rating and availability: 5.0★ from 134 Google reviews, open 24/7.
- 5.0★ from 134 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Best General Contractors in Darnestown, MD (2026)
1,523 general contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Darnestown: DeTOP Services LLC, CR Score 88/100; 5.0★ from 134 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Atlantis Design and Build, posts 24/7 hours; ranked #2 of 1,523.
- 13
Most-reviewed: Pro HM Services (Home Improvements and Construction), 265 Google reviews at 5.0★, the most of 1,523 ranked; ranked #13.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
1,523 Darnestown general contractors are ranked here by CR Score, from 8 published factors. 122 are open 24/7, 819 open Saturdays and 315 open Sundays, based on posted hours. The median Google rating is 5.0★ across 1,523 rated businesses.
Most of this list also appears on the General contractors in Germantown ranking. See General contractors in Germantown
Top 10 general contractors in Darnestown at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | DeTOP Services LLC | 88 | 5.0★ (134) | Sudley, 16 mi away | 24/7 | Overall |
| 2 | Atlantis Design and Build | 87 | 4.9★ (37) | Gaithersburg, 5 mi away | 24/7 | Emergencies |
| 3 | Stello Homes Design Build | 87 | 5.0★ (108) | Chantilly, 17 mi away | 24/7 | — |
| 4 | Global Renovations LLC | 87 | 5.0★ (104) | Gaithersburg, 6 mi away | Sat · Sun · Evenings | — |
| 5 | ND Contractors | 87 | 5.0★ (22) | Aspen Hill, 5 mi away | 24/7 | — |
| 6 | Equality Builders | 86 | 4.9★ (52) | Bethesda, 13 mi away | 24/7 | — |
| 7 | iRoof USA | 86 | 5.0★ (29) | Rockville, 10 mi away | 24/7 | — |
| 8 | Clemens Contracting Services | 86 | 5.0★ (19) | Poolesville, 7 mi away | 24/7 | — |
| 9 | First American General Contracting | 86 | 5.0★ (26) | North Bethesda, 10 mi away | 24/7 | — |
| 10 | Paradise Construction & Remodeling | 85 | 4.9★ (66) | Gaithersburg, 5 mi away | Sat · Sun · Evenings | — |
The 1,523 best general contractors in Darnestown, 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.
Based in Gaithersburg, 5 mi away
87/100CR ScoreRanked #2 because of its Google rating and availability: 4.9★ from 37 Google reviews, open 24/7.
- 4.9★ from 37 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 9841 Washingtonian Blvd, Gaithersburg, MD 20878
Based in Chantilly, 17 mi away
87/100CR ScoreRanked #3 because of its Google rating and availability: 5.0★ from 108 Google reviews, open 24/7.
- 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 Gaithersburg, 6 mi away
87/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 104 Google reviews, listed on Google as “General contractor”.
- 5.0★ from 104 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
- Address
- 1023 Southern Night Ln, Gaithersburg, MD 20879
Based in Aspen Hill, 5 mi away
87/100CR ScoreRanked #5 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 Bethesda, 13 mi away
86/100CR ScoreRanked #6 because of its Google rating and availability: 4.9★ from 52 Google reviews, open 24/7.
- 4.9★ from 52 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 10800 Connecticut Ave, Kensington, MD 20895
#7 iRoof USA
Based in Rockville, 10 mi away
86/100CR ScoreRanked #7 because of its Google rating and availability: 5.0★ from 29 Google reviews, open 24/7.
- 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 Poolesville, 7 mi away
86/100CR ScoreRanked #8 because of its Google rating and availability: 5.0★ from 19 Google reviews, open 24/7.
- 5.0★ from 19 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 19503 Hartz Pond Ct, Poolesville, MD 20837
Based in North Bethesda, 10 mi away
86/100CR ScoreRanked #9 because of its Google rating and availability: 5.0★ from 26 Google reviews, open 24/7.
- 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, 5 mi away
85/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.9★ from 66 Google reviews, listed on Google as “General contractor”.
- 4.9★ from 66 Google reviews
- Hours
- Mon–Sun 7 AM–9 PM
- Address
- 9701 Fields Rd, Gaithersburg, MD 20878
Based in Rockville, 9 mi away
85/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 77 Google reviews, listed on Google as “General contractor”.
- 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 Darnestown
85/100CR ScoreRanked #12 because of its Google rating and availability: 5.0★ from 6 Google reviews, open 24/7.
- 5.0★ from 6 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Centreville, 20 mi away
85/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 265 Google reviews, listed on Google as “Construction company”.
- 5.0★ from 265 Google reviews
- Hours
- Mon–Sun 8 AM–10 PM
- Address
- 6104 Gothwaite Dr, Centreville, VA 20120
Based in Reston, 11 mi away
85/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 119 Google reviews, listed on Google as “Construction company”.
- 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
Based in Clarksburg, 8 mi away
85/100CR ScoreRanked #15 because of its Google rating and availability: 5.0★ from 15 Google reviews, open 24/7.
- 5.0★ from 15 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 22704 Broadway Ave, Clarksburg, MD 20871
#16 i4 Improvements
Based in Arlington, 18 mi away
85/100CR ScoreRanked #16 because of its Google rating and availability: 4.9★ from 55 Google reviews, open 24/7.
- 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 Germantown, 3 mi away
85/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.9★ from 42 Google reviews, listed on Google as “Construction company”.
- 4.9★ from 42 Google reviews
- Hours
- Mon–Sat 8 AM–6 PM · Sun 8 AM–5 PM
- Address
- 13205 Cloppers Mill Dr, Germantown, MD 20874
Based in Annandale, 19 mi away
85/100CR ScoreRanked #18 because of its Google rating and availability: 5.0★ from 47 Google reviews, open 24/7.
- 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 Gaithersburg, 5 mi away
85/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.8★ from 57 Google reviews, listed on Google as “General contractor”.
- 4.8★ from 57 Google reviews
- Hours
- Mon–Sun 9 AM–7 PM
- Address
- 9711 Washingtonian Blvd Suite 550, Gaithersburg, MD 20878
Based in Herndon, 10 mi away
84/100CR ScoreRanked #20 because of its Google rating and availability: 5.0★ from 14 Google reviews, open 24/7.
- 5.0★ from 14 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 850 Colvin Ct, Herndon, VA 20170
Based in Gaithersburg, 4 mi away
84/100CR ScoreRanked #21 because of its Google rating and availability: 5.0★ from 13 Google reviews, open 24/7.
- 5.0★ from 13 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 13 School Dr, Gaithersburg, MD 20878
Based in Washington, D.C., 19 mi away
84/100CR ScoreRanked #22 because of its Google rating and availability: 5.0★ from 36 Google reviews, open 24/7.
- 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, 23 mi away
84/100CR ScoreRanked #23 because of its Google rating and availability: 5.0★ from 96 Google reviews, open 24/7.
- 5.0★ from 96 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Edgemere, 3 mi away
84/100CR ScoreRanked #24 because of its Google rating and availability: 3.9★ from 18 Google reviews, open 24/7.
- 3.9★ from 18 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Centreville, 20 mi away
84/100CR ScoreRanked #25 because of its Google rating and availability: 5.0★ from 39 Google reviews, open 24/7.
- 5.0★ from 39 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 6030 Westbourne Pl, Centreville, VA 20120
How much do general contractors cost in Darnestown?
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 Darnestown general contractors
We scored 1,523 Darnestown 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 Darnestown 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 Darnestown: frequently asked questions
Who is the best general contractor in Darnestown?
By CR Score, the highest-ranked general contractor in Darnestown, MD is DeTOP Services LLC with a CR Score of 88/100. It has 5.0★ from 134 Google reviews. It is open 24/7. Atlantis Design and Build (#2) and Stello Homes Design Build (#3) follow. We ranked 1,523 general contractors on 8 factors, last updated October 22, 2026.
How many general contractors are there in Darnestown?
ContractorsRanked ranks 1,523 general contractors serving Darnestown, MD. 1 of them is based in Darnestown; the rest serve it from nearby towns. Counts are as of October 2026.
Which general contractors in Darnestown are open 24/7?
122 ranked general contractors in Darnestown post 24/7 hours. The highest-ranked are DeTOP Services LLC (#1), Atlantis Design and Build (#2) and Stello Homes Design Build (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which general contractors in Darnestown work on weekends?
819 of 1,523 ranked general contractors post Saturday hours and 315 post Sunday hours. The highest-ranked open Saturdays are DeTOP Services LLC (#1), Atlantis Design and Build (#2) and Stello Homes Design Build (#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 Darnestown?
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 Darnestown general contractors have?
The median Google rating among 1,523 rated general contractors in Darnestown is 5.0★, with a median of 9 reviews. Pro HM Services (Home Improvements and Construction) has the most, 265 reviews, and ranks #13. 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 Darnestown
- October 2026: CR Scores recalculated for 1,523 general contractors serving Darnestown.
- October 2026: 12 duplicate listings merged.
More general contractors and Darnestown pages
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Other trades in Darnestown
- Roofers in Darnestown1459 ranked
- Plumbers in Darnestown791 ranked
- Electricians in Darnestown688 ranked
- HVAC contractors in Darnestown981 ranked
- Painters in Darnestown349 ranked
- Landscapers in Darnestown320 ranked
- Handymen in Darnestown191 ranked
- Kitchen remodelers in Darnestown1162 ranked
- Bathroom remodelers in Darnestown1143 ranked
- Flooring contractors in Darnestown791 ranked
- Tile installers in Darnestown125 ranked
- Drywall contractors in Darnestown15 ranked
- Concrete contractors in Darnestown312 ranked
- Fence contractors in Darnestown192 ranked
- Deck builders in Darnestown458 ranked
- Siding contractors in Darnestown621 ranked
- Window installers in Darnestown690 ranked
- Gutter installers in Darnestown352 ranked
- Insulation contractors in Darnestown140 ranked
- Solar installers in Darnestown184 ranked
- Garage door repair companies in Darnestown153 ranked
- Foundation repair companies in Darnestown200 ranked
- Tree services in Darnestown342 ranked
- Masonry contractors in Darnestown320 ranked
- Water damage restoration companies in Darnestown840 ranked
- Home builders in Darnestown778 ranked
- Demolition contractors in Darnestown89 ranked
- All contractors in Darnestown