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ContractorsRanked

Best Plumbers in Overlea, MD (2026)

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

The short answer

  1. 1

    Best overall in Overlea: Roto-Rooter Plumbing & Water Cleanup, CR Score 92/100; 4.8★ from 4,075 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Len The Plumber Heating & Air, LLC, posts 24/7 hours; ranked #2 of 466.

  3. 2

    Most-reviewed: Len The Plumber Heating & Air, LLC, 15,911 Google reviews at 4.7★, the most of 466 ranked; ranked #2.

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

466 Overlea plumbers are ranked here by CR Score, from 8 published factors. 136 are open 24/7, 268 open Saturdays and 185 open Sundays, based on posted hours. The median Google rating is 4.9★ across 466 rated businesses.

Top 10 plumbers in Overlea at a glance

Top 10 plumbers in Overlea at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Roto-Rooter Plumbing & Water Cleanup924.8★ (4,075)Baltimore, 7 mi away24/7Overall
2Len The Plumber Heating & Air, LLC924.7★ (15,911)Arbutus, 11 mi away24/7Emergencies, Most reviews
3Roto-Rooter Plumbing & Water Cleanup904.9★ (614)Dundalk, 7 mi away24/7—
4Roto-Rooter Plumbing & Water Cleanup904.8★ (752)Towson, 5 mi away24/7—
5Donovan WaterWorks904.9★ (691)Cockeysville, 9 mi away24/7—
6Warrior Plumbing & Heating904.9★ (400)Baltimore, 6 mi away24/7—
7Roto-Rooter Plumbing & Water Cleanup894.9★ (1,074)Arbutus, 13 mi away24/7—
8Catons Plumbing, Drains & Water Cleanup894.8★ (560)Baltimore, 7 mi away24/7—
9Prime Plumbing894.8★ (2,323)Glen Burnie, 15 mi away24/7—
10Benjamin Franklin Plumbing of Baltimore894.9★ (326)Baltimore, 9 mi away24/7—

The 466 best plumbers in Overlea, 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.

  9. #9 Prime Plumbing

    Based in Glen Burnie, 15 mi away

    89/100CR Score

    Ranked #9 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

  17. #17 Mahon Plumbing

    Based in Baltimore, 12 mi away

    87/100CR Score

    Ranked #17 because of its Google rating and availability: 4.9★ from 268 Google reviews, open 24/7.

    • 4.9★ from 268 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    6824 Fort Smallwood Rd Ste. A, Baltimore, MD 21226
    View profile for Mahon Plumbing(410) 766-8566

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

plumbers in Overlea, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Catons Plumbing, Drains & Water Cleanup874.8★ (565)16 mi
27Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical864.8★ (4,514)13 mi
28The Plumber Guys864.9★ (479)19 mi
29Abend Services864.8★ (175)12 mi
30Get Back Plumbing864.9★ (104)11 mi
31JSquad Services865.0★ (33)5 mi
32All Nite Sewer & Drain Cleaning, LLC.864.6★ (60)3 mi
33Bailey Bros. Plumbing & Drain Services865.0★ (154)17 mi
34Michael & Son Services864.7★ (8,039)4 mi
35Roto-Rooter Plumbing & Water Cleanup864.9★ (542)22 mi
36Mr. Rooter Plumbing of Greater Baltimore864.8★ (1,366)11 mi
37Boothe's Heating, Air, Plumbing, Drains & Electrical864.9★ (1,461)13 mi
38Benjamin Franklin Plumbing of Columbia864.9★ (257)19 mi
39Perfect Plumbing854.7★ (196)12 mi
40Electric Eel Sewer & Drain855.0★ (13)2 mi
41Straight Plumbing Llc854.9★ (203)19 mi
42Park Plumbing LLC855.0★ (178)21 mi
43Benjamin Franklin Plumbing of Harford County854.7★ (204)14 mi
44Stilwell Plumbing & Drain Cleaning854.3★ (320)4 mi
45Apple Plumbing, Heating, & Air855.0★ (216)23 mi
46Abbott's Plumbing854.6★ (426)15 mi
47Bridges Plumbing Co855.0★ (31)10 mi
481st Choice Plumbing & Backflow Prevention, LLC854.9★ (113)18 mi
49Abbott Brothers Plumbing & Heating of Maryland854.8★ (354)6 mi
50Abend Services844.9★ (146)20 mi

Also serving Overlea

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 Overlea
BusinessGoogle ratingDistance
Absolute Plumbing LLC5.0★ (2)7 mi
Alban Mechanical3.0★ (2)13 mi
Around the Clock Plumbing & Heating5.0★ (2)14 mi
Bay Associates Group, Inc.3.0★ (2)7 mi
Cathcart Construction Inc5.0★ (2)18 mi
CPM Plumbing Services, LLC5.0★ (2)15 mi
DJE Plumbing and Heating5.0★ (2)10 mi
Hardy Plumbing | Emergency Plumber, Drain Cleaning, Pipe Repair, Tankless Water Heater Repair and Replacement in Timonium, MD5.0★ (64)9 mi
Hardy Plumbing | Emergency Plumber, Drain Cleaning, Pipe Repair, Tankless Water Heater Repair and Replacement in Towson MD5.0★ (151)3 mi
Knopp Drain Services Inc3.0★ (2)14 mi
Lux elextric and plumbing3.0★ (2)11 mi
R & G Plumbing & Heating5.0★ (2)6 mi
Scardina Plumbing-Heating Inc5.0★ (2)6 mi
SLO-FLO Plumbing5.0★ (213)18 mi
SLS Services3.0★ (2)7 mi
TNT Plumbing & Drain Service, LLC4.9★ (110)13 mi
W Wedmore Plumbing5.0★ (2)6 mi
W. A. Booth Plumbing Services llc5.0★ (204)19 mi
Worldwide Corporation4.5★ (2)6 mi
Wrangler Plumbing & Heating5.0★ (2)16 mi

How much do plumbers cost in Overlea?

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

How much do plumbers cost in Overlea?
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 Overlea plumbers

We scored 466 Overlea 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 Overlea 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 Overlea: frequently asked questions

Who is the best plumber in Overlea?

By CR Score, the highest-ranked plumber in Overlea, MD is Roto-Rooter Plumbing & Water Cleanup with a CR Score of 92/100. It has 4.8★ from 4,075 Google reviews. It is open 24/7. Len The Plumber Heating & Air, LLC (#2) and Roto-Rooter Plumbing & Water Cleanup (#3) follow. We ranked 466 plumbers on 8 factors, last updated October 22, 2026.

How many plumbers are there in Overlea?

ContractorsRanked ranks 466 plumbers serving Overlea, MD. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which plumbers in Overlea are open 24/7?

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

Which plumbers in Overlea work on weekends?

268 of 466 ranked plumbers post Saturday hours and 185 post Sunday hours. The highest-ranked open Saturdays are Roto-Rooter Plumbing & Water Cleanup (#1), Len The Plumber Heating & Air, LLC (#2) and Roto-Rooter Plumbing & 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 Overlea?

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

What Google rating do Overlea plumbers have?

The median Google rating among 466 rated plumbers in Overlea is 4.9★, with a median of 21 reviews. Len The Plumber Heating & Air, LLC has the most, 15,911 reviews, and ranks #2. 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 Overlea

  1. October 2026: CR Scores recalculated for 466 plumbers serving Overlea.
  2. October 2026: 5 duplicate listings merged.

More plumbers and Overlea pages

Other trades in Overlea