116 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Thurmont: Larry & Sons Plumbing, Heating, Cooling, Drain & Electrical, CR Score 87/100; 4.8★ from 4,764 Google reviews; open 24/7.
Best for emergencies (open 24/7): Zo Plumbing and Drain Cleaning LLC, posts 24/7 hours; ranked #2 of 116.
Most-reviewed: Tuckers Air Conditioning, Heating & Plumbing, 1,614 Google reviews at 4.9★, the most of 116 ranked after Larry & Sons Plumbing, Heating, Cooling, Drain & Electrical; ranked #20.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
116 Thurmont plumbers are ranked here by CR Score, from 8 published factors. 39 are open 24/7, 57 open Saturdays and 42 open Sundays, based on posted hours. The median Google rating is 4.8★ across 116 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Larry & Sons Plumbing, Heating, Cooling, Drain & Electrical | 87 | 4.8★ (4,764) | Hagerstown, 18 mi away | 24/7 | Overall |
| 2 | Zo Plumbing and Drain Cleaning LLC | 87 | 4.9★ (134) | Frederick, 15 mi away | 24/7 | Emergencies |
| 3 | Crystal Water Plumbing | 87 | 4.4★ (44) | Thurmont | 24/7 | — |
| 4 | PlumbingWurx LLC - Hagerstown Plumbing Services | 86 | 4.8★ (220) | Hagerstown, 17 mi away | 24/7 | — |
| 5 | Tri-County Pump Service, Inc. | 86 | 5.0★ (53) | Frederick, 14 mi away | 24/7 | — |
| 6 | Benjamin Franklin Plumbing of Mount Airy | 86 | 4.8★ (461) | Green Valley, 23 mi away | 24/7 | — |
| 7 | Benjamin Franklin Plumbing of Frederick | 85 | 4.7★ (186) | Frederick, 17 mi away | 24/7 | — |
| 8 | Bob Jones Plumbing & Heating Inc | 85 | 4.7★ (140) | Hagerstown, 16 mi away | 24/7 | — |
| 9 | Aqueduct Plumbing Services | 85 | 5.0★ (153) | Eldersburg, 24 mi away | 24/7 | — |
| 10 | Larry & Sons Plumbing, Heating, Cooling, Drain & Electrical | 85 | 4.8★ (932) | Frederick, 16 mi away | 24/7 | — |
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.
Ranked #1 in Thurmont
Based in Hagerstown, 18 mi away
Ranked #1 because of its Google rating and review volume: 4.8★ from 4,764 Google reviews, the most Google reviews on this list (4,764).
Based in Frederick, 15 mi away
Ranked #2 because of its Google rating and availability: 4.9★ from 134 Google reviews, open 24/7.
Based in Thurmont
Ranked #3 because of its Google rating and availability: 4.4★ from 44 Google reviews, open 24/7.
Based in Hagerstown, 17 mi away
Ranked #4 because of its Google rating and availability: 4.8★ from 220 Google reviews, open 24/7.
Based in Frederick, 14 mi away
Ranked #5 because of its Google rating and availability: 5.0★ from 53 Google reviews, open 24/7.
Based in Green Valley, 23 mi away
Ranked #6 because of its Google rating and availability: 4.8★ from 461 Google reviews, open 24/7.
Based in Frederick, 17 mi away
Ranked #7 because of its Google rating and availability: 4.7★ from 186 Google reviews, open 24/7.
Based in Hagerstown, 16 mi away
Ranked #8 because of its Google rating and availability: 4.7★ from 140 Google reviews, open 24/7.
Based in Eldersburg, 24 mi away
Ranked #9 because of its Google rating and availability: 5.0★ from 153 Google reviews, open 24/7.
Based in Frederick, 16 mi away
Ranked #10 because of its Google rating and availability: 4.8★ from 932 Google reviews, open 24/7.
Based in Frederick, 18 mi away
Ranked #11 because of its Google rating and availability: 4.8★ from 1,208 Google reviews, open 24/7.
Based in Frederick, 17 mi away
Ranked #12 because of its Google rating and availability: 4.9★ from 547 Google reviews, open 24/7.
Based in Frederick, 15 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 138 Google reviews, listed on Google as “Plumber”.
Based in Westminster, 22 mi away
Ranked #14 because of its Google rating and availability: 4.9★ from 679 Google reviews, open 24/7.
Based in Frederick, 15 mi away
Ranked #15 because of its Google rating and availability: 5.0★ from 111 Google reviews, open 24/7.
Based in Hagerstown, 16 mi away
Ranked #16 because of its Google rating and availability: 4.5★ from 66 Google reviews, open 24/7.
Based in Frederick, 12 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 61 Google reviews, listed on Google as “Plumber”.
Based in Ballenger Creek, 21 mi away
Ranked #18 because of its Google rating and availability: 5.0★ from 62 Google reviews, open 24/7.
Based in Frederick, 21 mi away
Ranked #19 because of its Google rating and availability: 5.0★ from 29 Google reviews, open 24/7.
Based in Frederick, 18 mi away
Ranked #20 because of its Google rating and review volume: 4.9★ from 1,614 Google reviews, 1,614 Google reviews.
Based in Frederick, 15 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 353 Google reviews, listed on Google as “Plumber”.
Based in Chambersburg, 21 mi away
Ranked #22 because of its Google rating and availability: 4.7★ from 638 Google reviews, open 24/7.
Based in Frederick, 15 mi away
Ranked #23 because of its Google rating and availability: 4.8★ from 537 Google reviews, open 24/7.
Based in Taneytown, 13 mi away
Ranked #24 because of its Google rating and availability: 4.5★ from 17 Google reviews, open 24/7.
Based in Frederick, 22 mi away
Ranked #25 because of its Google rating and availability: 5.0★ from 14 Google reviews, open 24/7.
#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 116 ranked plumbers here; the rest are on their profiles.
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 |
|---|---|---|
| A & G Septic Services | In Thurmont | |
| Alexander's Plumbing & Pumps | 3.3★ (4) | 19 mi |
| Anders Plumbing Inc | 4.3★ (6) | 13 mi |
| Better Flow | 5.0★ (1) | 16 mi |
| D & J Plumbing | 5.0★ (2) | 22 mi |
| First Response Custom Sewing | 4.2★ (5) | 13 mi |
| Hughes Plumbing Service | 4.5★ (2) | 24 mi |
| James Mettee Plumbing | 4.6★ (16) | 19 mi |
| JVR Plumbing, LLC | 5.0★ (2) | 24 mi |
| Milky Way Plumbing & Drain Cleaning | 5.0★ (1) | 10 mi |
| No Dig Trenchless | 5.0★ (1) | 16 mi |
| Pat's Plumbing Heating & Cooling | 5.0★ (3) | 21 mi |
| Piedmont Building Services | 4.9★ (91) | In Thurmont |
| Rocket Rooter | 5.0★ (1) | 15 mi |
| Rooter-Man | 5.0★ (1) | 15 mi |
| Shades Plumbing & Heating | 3.7★ (3) | 17 mi |
| Siegman Forced Air Systems, Inc. | 4.7★ (30) | 24 mi |
| Speedy Rooter | 1.0★ (1) | 17 mi |
| Sunny Side Spa and Recovery Center | 5.0★ (4) | 10 mi |
| Thurmont Plumbing & Heating | 5.0★ (1) | In Thurmont |
National price ranges in USD, not adjusted for Thurmont. 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 |
In Maryland, Maryland State Board of Plumbing licenses Plumbing work: water supply, drain, waste and vent piping and fixtures.
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 116 Thurmont 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 Thurmont 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 |