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ContractorsRanked

Best Plumbers in Eldersburg, MD (2026)

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

The short answer

  1. 1

    Best overall in Eldersburg: Roto-Rooter Plumbing & Water Cleanup, CR Score 92/100; 4.9★ from 542 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Apple Plumbing, Heating, & Air, posts 24/7 hours; ranked #2 of 488.

  3. 6

    Most-reviewed: Len The Plumber Heating & Air, LLC, 15,911 Google reviews at 4.7★, the most of 488 ranked; ranked #6.

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

488 Eldersburg plumbers are ranked here by CR Score, from 8 published factors. 157 are open 24/7, 268 open Saturdays and 198 open Sundays, based on posted hours. The median Google rating is 4.9★ across 488 rated businesses.

Top 10 plumbers in Eldersburg at a glance

Top 10 plumbers in Eldersburg at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Roto-Rooter Plumbing & Water Cleanup924.9★ (542)Eldersburg24/7Overall
2Apple Plumbing, Heating, & Air915.0★ (216)Eldersburg24/7Emergencies
3Aqueduct Plumbing Services905.0★ (153)Eldersburg24/7—
4Bailey Bros. Plumbing & Drain Services905.0★ (154)Eldersburg24/7—
5Brian B. Quick Plumbing904.9★ (946)Reisterstown, 8 mi away24/7—
6Len The Plumber Heating & Air, LLC904.7★ (15,911)Arbutus, 18 mi away24/7Most reviews
7Michael Runk Plumbing & Heating LLC894.8★ (163)Eldersburg24/7—
8Roto-Rooter Plumbing & Water Cleanup884.8★ (4,075)Baltimore, 19 mi away24/7—
9Roto-Rooter Plumbing & Water Cleanup884.8★ (956)Ellicott City, 12 mi away24/7—
10Chase Plumbing & Well Services885.0★ (67)Westminster, 3 mi away24/7—

The 488 best plumbers in Eldersburg, 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.

  16. #16 Donovan WaterWorks

    Based in Cockeysville, 18 mi away

    87/100CR Score

    Ranked #16 because of its Google rating and availability: 4.9★ from 691 Google reviews, open 24/7.

    • 4.9★ from 691 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    9720 Greenside Dr #9w, Cockeysville, MD 21030
    View profile for Donovan WaterWorks(410) 240-5299

  24. #24 Prime Plumbing

    Based in Glen Burnie, 25 mi away

    86/100CR Score

    Ranked #24 because of its Google rating and availability: 4.8★ from 2,323 Google reviews, open 24/7.

    • 4.8★ from 2,323 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    7617 Baltimore Annapolis Blvd, Glen Burnie, MD 21060
    View profile for Prime Plumbing(443) 247-4400

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 488 ranked plumbers here; the rest are on their profiles.

plumbers in Eldersburg, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Howard County Plumbing Service864.8★ (154)In Eldersburg
27Catons Plumbing, Drains & Water Cleanup864.8★ (560)20 mi
28Sewer Slayer855.0★ (157)19 mi
29Len The Plumber Heating & Air, LLC854.8★ (1,053)24 mi
30Clarksburg Plumbing LLC854.8★ (452)20 mi
31EverLast Services LLC854.6★ (12)In Eldersburg
32Roto-Rooter Plumbing & Water Cleanup854.8★ (1,061)25 mi
33Roto-Rooter Plumbing & Water Cleanup854.9★ (614)25 mi
34Benjamin Franklin Plumbing of Gaithersburg854.9★ (165)18 mi
35Catons Plumbing, Drains & Water Cleanup854.9★ (142)19 mi
36Vince Marino Plumbing & Heating855.0★ (327)In Eldersburg
37DiMartino Plumbing and Pumps, LLC855.0★ (41)In Eldersburg
38Grizzly Plumbing L.L.C845.0★ (12)6 mi
39Apple Plumbing, Heating, & Air844.9★ (679)15 mi
40Abbott's Plumbing844.6★ (426)18 mi
41Nick's Plumbing844.9★ (78)17 mi
42Afternoon Plumbing845.0★ (9)6 mi
43Big Guy Plumbing845.0★ (71)19 mi
44Catons Plumbing, Drains & Water Cleanup845.0★ (128)23 mi
45Christopher & Sons Plumbing LLC845.0★ (3)In Eldersburg
46J&J Water Services, LLC845.0★ (6)4 mi
47Mr. Rooter Plumbing of Greater Baltimore844.8★ (1,366)18 mi
48BNH Home Services LLC845.0★ (111)23 mi
49Bridges Plumbing Co845.0★ (31)14 mi
50Get Back Plumbing844.9★ (104)21 mi

Also serving Eldersburg

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.

Unranked plumbers serving Eldersburg
BusinessGoogle ratingDistance
AAB Drain Cleaning5.0★ (2)In Eldersburg
Ace Handyman Services Central Maryland4.9★ (1,010)In Eldersburg
All Clear Plumbing & Drain Service, LLC4.8★ (547)22 mi
Bill & Sons PlumbingIn Eldersburg
Cathcart Construction Inc5.0★ (2)15 mi
D & J Plumbing5.0★ (2)11 mi
Davis Plumbing & Heating Inc5.0★ (2)14 mi
Everyday Handyman5.0★ (2)In Eldersburg
Gartland Plumbing5.0★ (1)In Eldersburg
Hardy Plumbing | Emergency Plumber, Drain Cleaning, Pipe Repair, Tankless Water Heater Repair and Replacement in Timonium, MD5.0★ (64)17 mi
Hardy Plumbing | Emergency Plumber, Drain Cleaning, Pipe Repair, Tankless Water Heater Repair and Replacement in Towson MD5.0★ (151)21 mi
Howard County Plumbing Service5.0★ (1)In Eldersburg
Hughes Plumbing Service4.5★ (2)7 mi
JVR Plumbing, LLC5.0★ (2)14 mi
Liberty Plumbing & Heating, Inc.In Eldersburg
O'Brians Plumbing & Heating5.0★ (1)In Eldersburg
Owings Brothers Contracting4.8★ (78)In Eldersburg
S&K Roofing, Siding and Windows4.9★ (1,092)In Eldersburg
SLO-FLO Plumbing5.0★ (213)25 mi
TNT Plumbing & Drain Service, LLC4.9★ (110)20 mi

How much do plumbers cost in Eldersburg?

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

How much do plumbers cost in Eldersburg?
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 Eldersburg plumbers

We scored 488 Eldersburg 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 Eldersburg 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 Eldersburg: frequently asked questions

Who is the best plumber in Eldersburg?

By CR Score, the highest-ranked plumber in Eldersburg, MD is Roto-Rooter Plumbing & Water Cleanup with a CR Score of 92/100. It has 4.9★ from 542 Google reviews. It is open 24/7. Apple Plumbing, Heating, & Air (#2) and Aqueduct Plumbing Services (#3) follow. We ranked 488 plumbers on 8 factors, last updated October 22, 2026.

How many plumbers are there in Eldersburg?

ContractorsRanked ranks 488 plumbers serving Eldersburg, MD. 11 of them are based in Eldersburg; 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 Eldersburg are open 24/7?

157 ranked plumbers in Eldersburg post 24/7 hours. The highest-ranked are Roto-Rooter Plumbing & Water Cleanup (#1), Apple Plumbing, Heating, & Air (#2) and Aqueduct Plumbing Services (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which plumbers in Eldersburg work on weekends?

268 of 488 ranked plumbers post Saturday hours and 198 post Sunday hours. The highest-ranked open Saturdays are Roto-Rooter Plumbing & Water Cleanup (#1), Apple Plumbing, Heating, & Air (#2) and Aqueduct Plumbing 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 Eldersburg?

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

What Google rating do Eldersburg plumbers have?

The median Google rating among 488 rated plumbers in Eldersburg is 4.9★, with a median of 30 reviews. Len The Plumber Heating & Air, LLC has the most, 15,911 reviews, and ranks #6. 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 Eldersburg

  1. October 2026: CR Scores recalculated for 488 plumbers serving Eldersburg.
  2. October 2026: 7 duplicate listings merged.

More plumbers and Eldersburg pages

Other trades in Eldersburg