Ranked #1 because of its Google rating and trade focus: 5.0★ from 283 Google reviews, listed on Google as “Contractor”.
- 5.0★ from 283 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 17805 Howe Dr, Olney, MD 20832
1,481 general contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Ashton-Sandy Spring: Radon Resolvers, LLC, CR Score 60/100; 5.0★ from 283 Google reviews.
Best for emergencies (open 24/7): Polished Concrete Solutions, posts 24/7 hours; ranked #2 of 1,481.
Most-reviewed: Handyman On Call LLC, 838 Google reviews at 4.6★, the most of 1,481 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
1,481 Ashton-Sandy Spring general contractors are ranked here by CR Score, from ten published factors. 113 are open 24/7, 739 open Saturdays and 281 open Sundays, based on posted hours. The median Google rating is 5.0★ across 1,481 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Radon Resolvers, LLC | 60 | 5.0★ (283) | Olney, 4 mi away | — | Overall |
| 2 | Polished Concrete Solutions | 60 | 5.0★ (51) | Columbia, 9 mi away | 24/7 | Emergencies |
| 3 | Handyman On Call LLC | 60 | 4.6★ (838) | Baltimore, 25 mi away | 24/7 | Most reviews |
| 4 | Equality Builders | 60 | 4.9★ (52) | Bethesda, 9 mi away | 24/7 | — |
| 5 | Sandco LLC | 60 | 5.0★ (89) | West Elkridge, 15 mi away | 24/7 | — |
| 6 | BasementRemodeling.com | 60 | 5.0★ (77) | Rockville, 8 mi away | Sat · Sun · Evenings | — |
| 7 | Global Renovations LLC | 60 | 5.0★ (104) | Gaithersburg, 11 mi away | Sat · Sun · Evenings | — |
| 8 | iRoof USA | 59 | 5.0★ (29) | Rockville, 9 mi away | 24/7 | — |
| 9 | Practical Home Improvements LLC | 59 | 5.0★ (37) | Rockville, 5 mi away | Sat · Sun | — |
| 10 | Atlantis Design and Build | 59 | 4.9★ (37) | Gaithersburg, 11 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Ranked #1 because of its Google rating and trade focus: 5.0★ from 283 Google reviews, listed on Google as “Contractor”.
Based in Columbia, 9 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 51 Google reviews, listed on Google as “General contractor”.
Based in Baltimore, 25 mi away
Ranked #3 because of its Google rating and review volume: 4.6★ from 838 Google reviews, the most in Ashton-Sandy Spring.
Based in Bethesda, 9 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 52 Google reviews, listed on Google as “General contractor”.
Based in West Elkridge, 15 mi away
Ranked #5 because of its Google rating and trade focus: 5.0★ from 89 Google reviews, listed on Google as “Construction company”.
Based in Rockville, 8 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 77 Google reviews, listed on Google as “General contractor”.
Based in Gaithersburg, 11 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 104 Google reviews, listed on Google as “General contractor”.
Based in Rockville, 9 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 29 Google reviews, listed on Google as “Contractor”.
Based in Rockville, 5 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 37 Google reviews, listed on Google as “General contractor”.
Based in Gaithersburg, 11 mi away
Ranked #10 because of its Google rating and trade focus: 4.9★ from 37 Google reviews, listed on Google as “General contractor”.
Based in Sudley, 24 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 134 Google reviews, listed on Google as “General contractor”.
Based in Rockville, 9 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 140 Google reviews, listed on Google as “Contractor”.
Based in North Bethesda, 9 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “General contractor”.
Based in Gaithersburg, 11 mi away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 66 Google reviews, listed on Google as “General contractor”.
Based in Bowie, 16 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 50 Google reviews, listed on Google as “General contractor”.
Based in Ashton-Sandy Spring
Ranked #16 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Construction company”.
Based in Bethesda, 13 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 73 Google reviews, listed on Google as “General contractor”.
Based in Mount Vernon, 24 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 96 Google reviews, listed on Google as “Contractor”.
Based in Clarksburg, 1 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Contractor”.
Based in Arbutus, 10 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 43 Google reviews, listed on Google as “General contractor”.
Based in Laurel, 6 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 29 Google reviews, listed on Google as “General contractor”.
Based in Gaithersburg, 10 mi away
Ranked #22 because of its Google rating and trade focus: 4.8★ from 57 Google reviews, listed on Google as “General contractor”.
Based in Maryland City, 10 mi away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 43 Google reviews, listed on Google as “Construction company”.
Based in Aspen Hill, 11 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Contractor”.
Based in Elkridge, 12 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 48 Google reviews, listed on Google as “Construction company”.
#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 1,481 ranked general contractors here; the rest are on their profiles.
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.
| Business | Google rating | Distance |
|---|---|---|
| Action Contracting & Home Remodeling | 5.0★ (4) | In Ashton-Sandy Spring |
| Appleton Properties MD, LLC | 3.7★ (3) | In Ashton-Sandy Spring |
| Bates Repair & Renovation | 5.0★ (30) | In Ashton-Sandy Spring |
| Bolder Remodeling | 5.0★ (23) | In Ashton-Sandy Spring |
| Charles H Shaw & Son Inc. | 5.0★ (3) | In Ashton-Sandy Spring |
| Coutts Plumbing, Inc | 5.0★ (2) | In Ashton-Sandy Spring |
| Cron Crontracting Drywall Construction & Repair | 5.0★ (3) | In Ashton-Sandy Spring |
| H Forrest Contracting | 5.0★ (3) | In Ashton-Sandy Spring |
| Kitchen Tune-Up of MoCo | 5.0★ (95) | In Ashton-Sandy Spring |
| Landmark General Contractors | 4.8★ (50) | In Ashton-Sandy Spring |
| Marshall's Roofing & Contracting | 5.0★ (24) | In Ashton-Sandy Spring |
| Marshalls Roofing & Contracting | Fulton | 5.0★ (4) | In Ashton-Sandy Spring |
| Marshalls Roofing and Contracting Laurel | 5.0★ (5) | In Ashton-Sandy Spring |
| Montenegro tile & Services | 5.0★ (10) | In Ashton-Sandy Spring |
| Pink Flamingo Painting | 5.0★ (13) | In Ashton-Sandy Spring |
| Priority Construction | 5.0★ (24) | In Ashton-Sandy Spring |
| RJS Renovations, Inc. | 5.0★ (4) | In Ashton-Sandy Spring |
| Rodriguez Landscaping & Construction Inc | 5.0★ (20) | In Ashton-Sandy Spring |
| Simply Home Maintenance | 4.9★ (61) | In Ashton-Sandy Spring |
| Winthorpe Design & Build | 4.7★ (15) | In Ashton-Sandy Spring |
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 |
In Maryland, Maryland Home Improvement Commission licenses Home improvement contractor licenses for residential work.
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
We scored 1,481 Ashton-Sandy Spring general contractors on ten 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. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, 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 | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |