92/100CR Score
Ranked #1 because of its Google rating and availability: 4.8★ from 461 Google reviews, open 24/7.
- 4.8★ from 461 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2702 Back Acre Cir #110, Mt Airy, MD 21771
Best Plumbers in Green Valley, MD (2026)
380 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Green Valley: Benjamin Franklin Plumbing of Mount Airy, CR Score 92/100; 4.8★ from 461 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): MoCo Plumbing, LLC, posts 24/7 hours; ranked #2 of 380.
- 24
Most-reviewed: F.H. Furr Plumbing, Heating, Air Conditioning & Electrical, 5,985 Google reviews at 4.7★, the most of 380 ranked; ranked #24.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
380 Green Valley plumbers are ranked here by CR Score, from 8 published factors. 121 are open 24/7, 212 open Saturdays and 159 open Sundays, based on posted hours. The median Google rating is 4.9★ across 380 rated businesses.
Top 10 plumbers in Green Valley at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Benjamin Franklin Plumbing of Mount Airy | 92 | 4.8★ (461) | Green Valley | 24/7 | Overall |
| 2 | MoCo Plumbing, LLC | 90 | 5.0★ (482) | Germantown, 12 mi away | 24/7 | Emergencies |
| 3 | Clarksburg Plumbing LLC | 90 | 4.8★ (452) | Clarksburg, 8 mi away | 24/7 | — |
| 4 | Aqueduct Plumbing Services | 89 | 5.0★ (153) | Eldersburg, 7 mi away | 24/7 | — |
| 5 | Benjamin Franklin Plumbing of Gaithersburg | 89 | 4.9★ (165) | Gaithersburg, 7 mi away | 24/7 | — |
| 6 | Catons Plumbing, Drains & Water Cleanup | 89 | 5.0★ (128) | Germantown, 9 mi away | 24/7 | — |
| 7 | BNH Home Services LLC | 89 | 5.0★ (111) | Germantown, 8 mi away | 24/7 | — |
| 8 | Roto-Rooter Plumbing & Water Cleanup | 88 | 4.8★ (1,061) | Rockville, 17 mi away | 24/7 | — |
| 9 | Zo Plumbing and Drain Cleaning LLC | 88 | 4.9★ (134) | Frederick, 8 mi away | 24/7 | — |
| 10 | Straw Hat Plumbers & Drain Services of Germantown | 88 | 5.0★ (87) | Germantown, 10 mi away | 24/7 | — |
The 380 best plumbers in Green Valley, 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 Germantown, 12 mi away
90/100CR ScoreRanked #2 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
Based in Clarksburg, 8 mi away
90/100CR ScoreRanked #3 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 Eldersburg, 7 mi away
89/100CR ScoreRanked #4 because of its Google rating and availability: 5.0★ from 153 Google reviews, open 24/7.
- 5.0★ from 153 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Gaithersburg, 7 mi away
89/100CR ScoreRanked #5 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 Germantown, 9 mi away
89/100CR ScoreRanked #6 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 Germantown, 8 mi away
89/100CR ScoreRanked #7 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 Rockville, 17 mi away
88/100CR ScoreRanked #8 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 Frederick, 8 mi away
88/100CR ScoreRanked #9 because of its Google rating and availability: 4.9★ from 134 Google reviews, open 24/7.
- 4.9★ from 134 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 12 King Ave, Frederick, MD 21701
Based in Germantown, 10 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 Eldersburg, 21 mi away
87/100CR ScoreRanked #11 because of its Google rating and availability: 4.9★ from 542 Google reviews, open 24/7.
- 4.9★ from 542 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1912 Liberty Rd Ste D, Eldersburg, MD 21784
Based in Frederick, 9 mi away
87/100CR ScoreRanked #12 because of its Google rating and availability: 4.7★ from 186 Google reviews, open 24/7.
- 4.7★ from 186 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 6639 Ballenger Run Blvd, Frederick, MD 21703
Based in Frederick, 8 mi away
87/100CR ScoreRanked #13 because of its Google rating and availability: 4.8★ from 1,208 Google reviews, open 24/7.
- 4.8★ from 1,208 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4907 International Blvd #113, Frederick, MD 21703
Based in Green Valley
87/100CR ScoreRanked #14 because of its Google rating and availability: 4.9★ from 16 Google reviews, open 24/7.
- 4.9★ from 16 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Sterling, 20 mi away
87/100CR ScoreRanked #15 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
#16 Your 1 Plumber
Based in Germantown, 10 mi away
87/100CR ScoreRanked #16 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, 12 mi away
87/100CR ScoreRanked #17 because of its Google rating and availability: 4.8★ from 2,083 Google reviews, open 24/7.
- 4.8★ from 2,083 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 7940 Cessna Ave, Gaithersburg, MD 20879
Based in Eldersburg, 20 mi away
87/100CR ScoreRanked #18 because of its Google rating and availability: 5.0★ from 216 Google reviews, open 24/7.
- 5.0★ from 216 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1332 Londontown Blvd Suite 108A, Eldersburg, MD 21784
Based in Leesburg, 19 mi away
87/100CR ScoreRanked #19 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 Frederick, 10 mi away
87/100CR ScoreRanked #20 because of its Google rating and availability: 5.0★ from 53 Google reviews, open 24/7.
- 5.0★ from 53 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1209-A N East St Suite 104, Frederick, MD 21701
Based in Frederick, 9 mi away
86/100CR ScoreRanked #21 because of its Google rating and availability: 4.8★ from 932 Google reviews, open 24/7.
- 4.8★ from 932 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5744 Industry Ln Suite N, Frederick, MD 21704
Based in Bethesda, 25 mi away
86/100CR ScoreRanked #22 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
#23 The Drain Guys
Based in Gaithersburg, 12 mi away
86/100CR ScoreRanked #23 because of its Google rating and availability: 4.7★ from 168 Google reviews, open 24/7.
- 4.7★ from 168 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 8041 Cessna Ave Ste 100, Gaithersburg, MD 20879
Based in Rockville, 17 mi away
86/100CR ScoreRanked #24 because of its Google rating and review volume: 4.7★ from 5,985 Google reviews, the most Google reviews on this list (5,985).
- 4.7★ from 5,985 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 685 Lofstrand Ln, Rockville, MD 20850
#25 Big Guy Plumbing
Based in Catonsville, 15 mi away
86/100CR ScoreRanked #25 because of its Google rating and availability: 5.0★ from 71 Google reviews, open 24/7.
- 5.0★ from 71 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
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 380 ranked plumbers here; the rest are on their profiles.
Also serving Green Valley
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 |
|---|---|---|
| AAB Drain Cleaning | 5.0★ (2) | 18 mi |
| Alan Plumbing | 5.0★ (2) | 19 mi |
| American Professional Plumbing Services Llc | 5.0★ (2) | 20 mi |
| Brick Street Plumbing, Water Heaters, AC & Furnace Repair | 4.6★ (203) | 20 mi |
| Coutts Plumbing, Inc | 5.0★ (2) | 19 mi |
| D & J Plumbing | 5.0★ (2) | 9 mi |
| Davis Plumbing & Heating Inc | 5.0★ (2) | 19 mi |
| Ecker Plumbing | 5.0★ (2) | In Green Valley |
| H Plumbing Inc. | 5.0★ (2) | 14 mi |
| Hill's Home & Hearth | 5.0★ (2) | 13 mi |
| Home Services at The Home Depot | 3.5★ (2) | 8 mi |
| Home Services at The Home Depot | 1.0★ (2) | 20 mi |
| JVR Plumbing, LLC | 5.0★ (2) | 6 mi |
| Myers Plumbing Services Germantown MD | 5.0★ (2) | 8 mi |
| P W Scholl Plumbing & Heating Inc | 5.0★ (2) | 6 mi |
| QSP Plumbing LLC | 5.0★ (11) | 9 mi |
| Rocket Rooter Plumbing | 3.0★ (2) | 17 mi |
| S.L. Johnson Plumbing & Heating | 3.0★ (2) | 17 mi |
| SB Plumbing, LLC | 5.0★ (2) | 16 mi |
| TechStar Services | 5.0★ (2) | 18 mi |
How much do plumbers cost in Green Valley?
National price ranges in USD, not adjusted for Green Valley. 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 Green Valley plumbers
We scored 380 Green Valley 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 Green Valley 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 Green Valley: frequently asked questions
Who is the best plumber in Green Valley?
By CR Score, the highest-ranked plumber in Green Valley, MD is Benjamin Franklin Plumbing of Mount Airy with a CR Score of 92/100. It has 4.8★ from 461 Google reviews. It is open 24/7. MoCo Plumbing, LLC (#2) and Clarksburg Plumbing LLC (#3) follow. We ranked 380 plumbers on 8 factors, last updated October 22, 2026.
How many plumbers are there in Green Valley?
ContractorsRanked ranks 380 plumbers serving Green Valley, MD. 2 of them are based in Green Valley; 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 plumbers in Green Valley are open 24/7?
121 ranked plumbers in Green Valley post 24/7 hours. The highest-ranked are Benjamin Franklin Plumbing of Mount Airy (#1), MoCo Plumbing, LLC (#2) and Clarksburg Plumbing LLC (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which plumbers in Green Valley work on weekends?
212 of 380 ranked plumbers post Saturday hours and 159 post Sunday hours. The highest-ranked open Saturdays are Benjamin Franklin Plumbing of Mount Airy (#1), MoCo Plumbing, LLC (#2) and Clarksburg Plumbing LLC (#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 Green Valley?
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 Green Valley. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Green Valley plumbers have?
The median Google rating among 380 rated plumbers in Green Valley is 4.9★, with a median of 34 reviews. F.H. Furr Plumbing, Heating, Air Conditioning & Electrical has the most, 5,985 reviews, and ranks #24. 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 Green Valley
- October 2026: CR Scores recalculated for 380 plumbers serving Green Valley.
- October 2026: 5 duplicate listings merged.
More plumbers and Green Valley pages
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