91/100CR Score
Ranked #1 because of its Google rating and availability: 5.0★ from 482 Google reviews, open 24/7.
- 5.0★ from 482 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 17225 Black Rock Rd, Germantown, MD 20874
Best Plumbers in Poolesville, MD (2026)
521 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Poolesville: MoCo Plumbing, LLC, CR Score 91/100; 5.0★ from 482 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Roto-Rooter Plumbing & Water Cleanup, posts 24/7 hours; ranked #2 of 521.
- 29
Most-reviewed: F.H. Furr Plumbing, Heating, Air Conditioning & Electrical, 5,985 Google reviews at 4.7★, the most of 521 ranked; ranked #29.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
521 Poolesville plumbers are ranked here by CR Score, from 8 published factors. 168 are open 24/7, 317 open Saturdays and 235 open Sundays, based on posted hours. The median Google rating is 4.9★ across 521 rated businesses.
Top 10 plumbers in Poolesville at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | MoCo Plumbing, LLC | 91 | 5.0★ (482) | Germantown, 6 mi away | 24/7 | Overall |
| 2 | Roto-Rooter Plumbing & Water Cleanup | 90 | 4.8★ (647) | Sterling, 8 mi away | 24/7 | Emergencies |
| 3 | Priority 1 Plumbing and Drain Services | 89 | 4.9★ (308) | Leesburg, 8 mi away | 24/7 | — |
| 4 | Catons Plumbing, Drains & Water Cleanup | 89 | 5.0★ (128) | Germantown, 8 mi away | 24/7 | — |
| 5 | Roto-Rooter Plumbing & Water Cleanup | 89 | 4.8★ (1,061) | Rockville, 15 mi away | 24/7 | — |
| 6 | BNH Home Services LLC | 88 | 5.0★ (111) | Germantown, 8 mi away | 24/7 | — |
| 7 | Clarksburg Plumbing LLC | 88 | 4.8★ (452) | Clarksburg, 11 mi away | 24/7 | — |
| 8 | Cardinal Plumbing Heating & Air Inc | 88 | 4.9★ (2,958) | Sterling, 11 mi away | 24/7 | — |
| 9 | F.H. Furr Plumbing, Heating, Air Conditioning & Electrical | 88 | 4.8★ (2,314) | Ashburn, 7 mi away | 24/7 | — |
| 10 | Straw Hat Plumbers & Drain Services of Germantown | 88 | 5.0★ (87) | Germantown, 8 mi away | 24/7 | — |
The 521 best plumbers in Poolesville, 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 Sterling, 8 mi away
90/100CR ScoreRanked #2 because of its Google rating and availability: 4.8★ from 647 Google reviews, open 24/7.
- 4.8★ from 647 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 46179 Westlake Dr #330, Sterling, VA 20165
Based in Leesburg, 8 mi away
89/100CR ScoreRanked #3 because of its Google rating and availability: 4.9★ from 308 Google reviews, open 24/7.
- 4.9★ from 308 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 722 E Market Street, VM13 Suite 102, Leesburg, VA 20176
Based in Germantown, 8 mi away
89/100CR ScoreRanked #4 because of its Google rating and availability: 5.0★ from 128 Google reviews, open 24/7.
- 5.0★ from 128 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 13238 Executive Park Terrace Ste 1, Germantown, MD 20874
Based in Rockville, 15 mi away
89/100CR ScoreRanked #5 because of its Google rating and availability: 4.8★ from 1,061 Google reviews, open 24/7.
- 4.8★ from 1,061 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 30 Courthouse Sq # 301, Rockville, MD 20850
Based in Germantown, 8 mi away
88/100CR ScoreRanked #6 because of its Google rating and availability: 5.0★ from 111 Google reviews, open 24/7.
- 5.0★ from 111 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 13505 Deerwater Dr, Germantown, MD 20874
Based in Clarksburg, 11 mi away
88/100CR ScoreRanked #7 because of its Google rating and availability: 4.8★ from 452 Google reviews, open 24/7.
- 4.8★ from 452 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Sterling, 11 mi away
88/100CR ScoreRanked #8 because of its Google rating and availability: 4.9★ from 2,958 Google reviews, open 24/7.
- 4.9★ from 2,958 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 104 Carpenter Dr Suite D, Sterling, VA 20164
Based in Ashburn, 7 mi away
88/100CR ScoreRanked #9 because of its Google rating and availability: 4.8★ from 2,314 Google reviews, open 24/7.
- 4.8★ from 2,314 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 20145 Ashbrook Pl #110, Ashburn, VA 20147
Based in Germantown, 8 mi away
88/100CR ScoreRanked #10 because of its Google rating and availability: 5.0★ from 87 Google reviews, open 24/7.
- 5.0★ from 87 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 13414 Fountain Club Dr, Germantown, MD 20874
Based in Frederick, 5 mi away
88/100CR ScoreRanked #11 because of its Google rating and availability: 4.9★ from 73 Google reviews, open 24/7.
- 4.9★ from 73 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Washington, D.C., 23 mi away
88/100CR ScoreRanked #12 because of its Google rating and availability: 4.8★ from 2,719 Google reviews, open 24/7.
- 4.8★ from 2,719 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5125 MacArthur Blvd NW Ste 13, Washington, DC 20016
Based in Fairfax, 21 mi away
88/100CR ScoreRanked #13 because of its Google rating and availability: 4.8★ from 2,036 Google reviews, open 24/7.
- 4.8★ from 2,036 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 10560 Main St Suite PS 100, Fairfax, VA 22030
Based in Leesburg, 8 mi away
87/100CR ScoreRanked #14 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
- 222 Catoctin Cir NE Ste 227, Leesburg, VA 20175
Based in Ashburn, 10 mi away
87/100CR ScoreRanked #15 because of its Google rating and availability: 4.9★ from 137 Google reviews, open 24/7.
- 4.9★ from 137 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 42882 Truro Parish Dr, Ashburn, VA 20148
Based in Bethesda, 21 mi away
87/100CR ScoreRanked #16 because of its Google rating and availability: 4.8★ from 1,211 Google reviews, open 24/7.
- 4.8★ from 1,211 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4641 Montgomery Ave Ste 518, Bethesda, MD 20814
#17 Your 1 Plumber
Based in Germantown, 8 mi away
87/100CR ScoreRanked #17 because of its Google rating and availability: 4.6★ from 314 Google reviews, open 24/7.
- 4.6★ from 314 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 13504 Jamieson Pl, Germantown, MD 20874
Based in Gaithersburg, 13 mi away
87/100CR ScoreRanked #18 because of its Google rating and availability: 4.9★ from 165 Google reviews, open 24/7.
- 4.9★ from 165 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 9815 Watkins Rd, Gaithersburg, MD 20882
Based in Reston, 15 mi away
87/100CR ScoreRanked #19 because of its Google rating and availability: 4.9★ from 184 Google reviews, open 24/7.
- 4.9★ from 184 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1900 Campus Commons Dr Ste 105, Reston, VA 20191
Based in Bethesda, 17 mi away
87/100CR ScoreRanked #20 because of its Google rating and availability: 4.9★ from 296 Google reviews, open 24/7.
- 4.9★ from 296 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 6701 Democracy Blvd Suite 362, Bethesda, MD 20817
Based in Leesburg, 8 mi away
86/100CR ScoreRanked #21 because of its Google rating and availability: 4.6★ from 203 Google reviews, open 24/7.
- 4.6★ from 203 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 312 E Market St Suite F, Leesburg, VA 20176
Based in Gainesville, 22 mi away
86/100CR ScoreRanked #22 because of its Google rating and availability: 4.9★ from 498 Google reviews, open 24/7.
- 4.9★ from 498 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Ashburn, 6 mi away
86/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.9★ from 311 Google reviews, listed on Google as “Plumber”.
- 4.9★ from 311 Google reviews
- Hours
- Mon–Fri 8 AM–9 PM · Sat–Sun 9 AM–5 PM
- Address
- 44927 George Washington Blvd #265, Ashburn, VA 20147
Based in Dale City, 20 mi away
86/100CR ScoreRanked #24 because of its Google rating and availability: 5.0★ from 206 Google reviews, open 24/7.
- 5.0★ from 206 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Arlington, 23 mi away
86/100CR ScoreRanked #25 because of its Google rating and availability: 4.9★ from 571 Google reviews, open 24/7.
- 4.9★ from 571 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2219 N Columbus St #204, Arlington, VA 22207
Plumbers 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 521 ranked plumbers here; the rest are on their profiles.
Also serving Poolesville
20 more plumbers 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 |
|---|---|---|
| American Professional Plumbing Services Llc | 5.0★ (2) | 8 mi |
| Brent Mason Contractors, Inc. | 5.0★ (2) | 18 mi |
| changepro USA | 1.0★ (2) | 14 mi |
| Classic Drainage Inc. | 5.0★ (2) | 20 mi |
| Dave Foote Plumbing | 3.0★ (2) | 19 mi |
| DMV Plumbing Services | 5.0★ (2) | 20 mi |
| H Plumbing Inc. | 5.0★ (2) | 16 mi |
| Handyman - Ashburn | 4.0★ (2) | 13 mi |
| Hill's Home & Hearth | 5.0★ (2) | 1 mi |
| Home Services at The Home Depot | 1.0★ (2) | 8 mi |
| Home Services at The Home Depot | 3.5★ (2) | 10 mi |
| John R Plumbing LLC – Emergency Plumbing, Water Heater & Drain Service | 4.9★ (178) | 19 mi |
| JVR Plumbing, LLC | 5.0★ (2) | 18 mi |
| Monticello Well Pump Services | 5.0★ (2) | 15 mi |
| Myers Plumbing Services Germantown MD | 5.0★ (2) | 10 mi |
| Outlook plumbing and Drain cleaning L.L.C | 5.0★ (138) | 19 mi |
| P W Scholl Plumbing & Heating Inc | 5.0★ (2) | 12 mi |
| Rocket Rooter Plumbing | 3.0★ (2) | 12 mi |
| S.L. Johnson Plumbing & Heating | 3.0★ (2) | 15 mi |
| VA Plumbing Pros, LLC | 4.7★ (51) | 7 mi |
How much do plumbers cost in Poolesville?
National price ranges in USD, not adjusted for Poolesville. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Water heater replacement | $882 | $1,348 | $1,826 | Per unit, installed (unit plus labor); typical range of customer-reported jobs. US national range | October 2026 |
How to check a plumber's license in Maryland
In Maryland, Maryland State Board of Plumbing licenses Plumbing work: water supply, drain, waste and vent piping and fixtures.
- 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 Poolesville plumbers
We scored 521 Poolesville plumbers 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 Poolesville 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 |
Plumbers in Poolesville: frequently asked questions
Who is the best plumber in Poolesville?
By CR Score, the highest-ranked plumber in Poolesville, MD is MoCo Plumbing, LLC with a CR Score of 91/100. It has 5.0★ from 482 Google reviews. It is open 24/7. Roto-Rooter Plumbing & Water Cleanup (#2) and Priority 1 Plumbing and Drain Services (#3) follow. We ranked 521 plumbers on 8 factors, last updated October 22, 2026.
How many plumbers are there in Poolesville?
ContractorsRanked ranks 521 plumbers serving Poolesville, MD. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which plumbers in Poolesville are open 24/7?
168 ranked plumbers in Poolesville post 24/7 hours. The highest-ranked are MoCo Plumbing, LLC (#1), Roto-Rooter Plumbing & Water Cleanup (#2) and Priority 1 Plumbing and Drain Services (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which plumbers in Poolesville work on weekends?
317 of 521 ranked plumbers post Saturday hours and 235 post Sunday hours. The highest-ranked open Saturdays are MoCo Plumbing, LLC (#1), Roto-Rooter Plumbing & Water Cleanup (#2) and Priority 1 Plumbing and Drain Services (#3). Posted hours are office hours; crews may book weekend jobs separately.
How do I check a plumber's license in Maryland?
In Maryland, Maryland State Board of Plumbing handles licensing and covers Plumbing work: water supply, drain, waste and vent piping and fixtures.
How much does water heater replacement cost in Poolesville?
Water heater replacement typically costs $882 to $1,826, with $1,348 typical (Per unit, installed (unit plus labor); typical range of customer-reported jobs. US national range). This is a national range, not adjusted for Poolesville. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Poolesville plumbers have?
The median Google rating among 521 rated plumbers in Poolesville is 4.9★, with a median of 40 reviews. F.H. Furr Plumbing, Heating, Air Conditioning & Electrical has the most, 5,985 reviews, and ranks #29. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank plumbers?
Each plumber 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 Poolesville
- October 2026: CR Scores recalculated for 521 plumbers serving Poolesville.
- October 2026: 3 duplicate listings merged.
More plumbers and Poolesville pages
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Other trades in Poolesville
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- Handymen in Poolesville116 ranked
- Kitchen remodelers in Poolesville877 ranked
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- Flooring contractors in Poolesville572 ranked
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- Drywall contractors in Poolesville8 ranked
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- Deck builders in Poolesville350 ranked
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- Window installers in Poolesville625 ranked
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