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ContractorsRanked

Best Plumbers in Clarksburg, MD (2026)

485 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Clarksburg: Clarksburg Plumbing LLC, CR Score 91/100; 4.8★ from 452 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): MoCo Plumbing, LLC, posts 24/7 hours; ranked #2 of 485.

  3. 19

    Most-reviewed: F.H. Furr Plumbing, Heating, Air Conditioning & Electrical, 5,985 Google reviews at 4.7★, the most of 485 ranked; ranked #19.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

485 Clarksburg plumbers are ranked here by CR Score, from 8 published factors. 154 are open 24/7, 276 open Saturdays and 203 open Sundays, based on posted hours. The median Google rating is 4.8★ across 485 rated businesses.

Most of this list also appears on the Plumbers in Germantown ranking. See Plumbers in Germantown

Top 10 plumbers in Clarksburg at a glance

Top 10 plumbers in Clarksburg at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Clarksburg Plumbing LLC914.8★ (452)Clarksburg24/7Overall
2MoCo Plumbing, LLC915.0★ (482)Germantown, 7 mi away24/7Emergencies
3Catons Plumbing, Drains & Water Cleanup905.0★ (128)Germantown, 4 mi away24/7—
4BNH Home Services LLC905.0★ (111)Germantown, 3 mi away24/7—
5Benjamin Franklin Plumbing of Gaithersburg894.9★ (165)Gaithersburg, 4 mi away24/7—
6Roto-Rooter Plumbing & Water Cleanup894.8★ (1,061)Rockville, 13 mi away24/7—
7Aqueduct Plumbing Services895.0★ (153)Eldersburg, 9 mi away24/7—
8Straw Hat Plumbers & Drain Services of Germantown895.0★ (87)Germantown, 5 mi away24/7—
9Benjamin Franklin Plumbing of Mount Airy884.8★ (461)Green Valley, 12 mi away24/7—
10Your 1 Plumber884.6★ (314)Germantown, 5 mi away24/7—

The 485 best plumbers in Clarksburg, 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.

  10. #10 Your 1 Plumber

    Based in Germantown, 5 mi away

    88/100CR Score

    Ranked #10 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
    View profile for Your 1 Plumber(301) 671-0447

  16. #16 The Drain Guys

    Based in Gaithersburg, 8 mi away

    87/100CR Score

    Ranked #16 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
    View profile for The Drain Guys(301) 867-7632

  24. #24 Service Force Plumbing

    Based in Rockville, 12 mi away

    86/100CR Score

    Ranked #24 because of its Google rating and trade focus: 4.9★ from 652 Google reviews, listed on Google as “Plumber”.

    • 4.9★ from 652 Google reviews
    Hours
    Mon–Thu 7 AM–9 PM · Fri 7 AM–5 PM · Sat–Sun 9 AM–5 PM
    Address
    706B E Gude Dr #3, Rockville, MD 20850
    View profile for Service Force Plumbing(301) 255-1821

Also serving Clarksburg

1 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.

Unranked plumbers serving Clarksburg
BusinessGoogle ratingDistance
Outlook plumbing and Drain cleaning L.L.C5.0★ (138)15 mi

How much do plumbers cost in Clarksburg?

National price ranges in USD, not adjusted for Clarksburg. Each row names its basis and the month we checked it.

How much do plumbers cost in Clarksburg?
JobLowTypicalHighBasisChecked
Water heater replacement$882$1,348$1,826Per unit, installed (unit plus labor); typical range of customer-reported jobs. US national rangeOctober 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.

  1. Check that the status is active and the name matches the contract or truck.
  2. 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 Clarksburg plumbers

We scored 485 Clarksburg 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Clarksburg data
Reputation35%Bayesian-adjusted Google star ratingMeasured
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2Not yet collected
Review volume10%log10(reviews + 1) against the list maximumMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability10%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5Measured
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radiusMeasured
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)Measured

Plumbers in Clarksburg: frequently asked questions

Who is the best plumber in Clarksburg?

By CR Score, the highest-ranked plumber in Clarksburg, MD is Clarksburg Plumbing LLC with a CR Score of 91/100. It has 4.8★ from 452 Google reviews. It is open 24/7. MoCo Plumbing, LLC (#2) and Catons Plumbing, Drains & Water Cleanup (#3) follow. We ranked 485 plumbers on 8 factors, last updated October 22, 2026.

How many plumbers are there in Clarksburg?

ContractorsRanked ranks 485 plumbers serving Clarksburg, MD. 1 of them is based in Clarksburg; the rest serve it from nearby towns. Another 1 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which plumbers in Clarksburg are open 24/7?

154 ranked plumbers in Clarksburg post 24/7 hours. The highest-ranked are Clarksburg Plumbing LLC (#1), MoCo Plumbing, LLC (#2) and Catons Plumbing, Drains & Water Cleanup (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which plumbers in Clarksburg work on weekends?

276 of 485 ranked plumbers post Saturday hours and 203 post Sunday hours. The highest-ranked open Saturdays are Clarksburg Plumbing LLC (#1), MoCo Plumbing, LLC (#2) and Catons Plumbing, Drains & Water Cleanup (#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 Clarksburg?

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 Clarksburg. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Clarksburg plumbers have?

The median Google rating among 485 rated plumbers in Clarksburg is 4.8★, with a median of 34 reviews. F.H. Furr Plumbing, Heating, Air Conditioning & Electrical has the most, 5,985 reviews, and ranks #19. 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 Clarksburg

  1. October 2026: CR Scores recalculated for 485 plumbers serving Clarksburg.
  2. October 2026: 5 duplicate listings merged.

More plumbers and Clarksburg pages

Other trades in Clarksburg