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ContractorsRanked

Best Plumbers in Arnold, MD (2026)

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

The short answer

  1. 1

    Best overall in Arnold: Howard Plumbing, CR Score 91/100; 4.9★ from 521 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Roto-Rooter Plumbing & Water Cleanup, posts 24/7 hours; ranked #2 of 487.

  3. 7

    Most-reviewed: Len The Plumber Heating & Air, LLC, 15,911 Google reviews at 4.7★, the most of 487 ranked; ranked #7.

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

487 Arnold plumbers are ranked here by CR Score, from 8 published factors. 159 are open 24/7, 293 open Saturdays and 209 open Sundays, based on posted hours. The median Google rating is 4.8★ across 487 rated businesses.

Top 10 plumbers in Arnold at a glance

Top 10 plumbers in Arnold at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Howard Plumbing914.9★ (521)Annapolis, 3 mi away24/7Overall
2Roto-Rooter Plumbing & Water Cleanup914.8★ (1,128)Annapolis, 4 mi away24/7Emergencies
3Catons Plumbing, Drains & Water Cleanup915.0★ (312)Annapolis, 4 mi away24/7—
4James A. Douglas Plumbing & Gas Fitting LLC915.0★ (163)Arnold24/7—
5Prime Plumbing904.8★ (2,323)Glen Burnie, 11 mi away24/7—
6Park Plumbing LLC905.0★ (178)Severna Park, 3 mi away24/7—
7Len The Plumber Heating & Air, LLC904.7★ (15,911)Arbutus, 18 mi away24/7Most reviews
8Benjamin Franklin Plumbing of Annapolis904.9★ (283)Annapolis, 4 mi away24/7—
9Greer Plumbing & Water Heater Repair904.9★ (450)Pasadena, 7 mi away24/7—
10Staton Heating, Cooling & Plumbing894.9★ (2,904)Annapolis, 4 mi away24/7—

The 487 best plumbers in Arnold, 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.

  1. Ranked #1 in Arnold

    #1 Howard Plumbing

    Based in Annapolis, 3 mi away

    91/100CR Score

    Ranked #1 because of its Google rating and availability: 4.9★ from 521 Google reviews, open 24/7.

    • 4.9★ from 521 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    42 Hudson St #212, Annapolis, MD 21401
    View profile for Howard Plumbing(410) 339-0911

  5. #5 Prime Plumbing

    Based in Glen Burnie, 11 mi away

    90/100CR Score

    Ranked #5 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

  6. #6 Park Plumbing LLC

    Based in Severna Park, 3 mi away

    90/100CR Score

    Ranked #6 because of its Google rating and availability: 5.0★ from 178 Google reviews, open 24/7.

    • 5.0★ from 178 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    836 Ritchie Hwy Suite 20, Severna Park, MD 21146
    View profile for Park Plumbing LLC(443) 331-5105

  11. #11 Abend Services

    Based in Severna Park, 4 mi away

    89/100CR Score

    Ranked #11 because of its Google rating and availability: 4.9★ from 146 Google reviews, open 24/7.

    • 4.9★ from 146 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    44 Robinson Landing Rd, Severna Park, MD 21146
    View profile for Abend Services(443) 323-2023

  19. #19 Mahon Plumbing

    Based in Baltimore, 12 mi away

    88/100CR Score

    Ranked #19 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 487 ranked plumbers here; the rest are on their profiles.

plumbers in Arnold, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Boothe's Heating, Air, Plumbing, Drains & Electrical864.9★ (1,461)10 mi
27Castro Home Services Inc864.7★ (63)4 mi
28David E White's Plumbing, Heating & Repair Company865.0★ (238)4 mi
29Len The Plumber Heating & Air, LLC864.8★ (1,053)21 mi
30Sewer Slayer865.0★ (157)16 mi
31Modern Plumbing Systems865.0★ (199)6 mi
32Catons Plumbing, Drains & Water Cleanup864.8★ (560)19 mi
33Calvert Plumbing and Backflow Services865.0★ (88)9 mi
34Catons Plumbing, Drains & Water Cleanup864.7★ (1,684)22 mi
35Abend Services854.8★ (175)14 mi
36Roto-Rooter Plumbing & Water Cleanup854.8★ (956)23 mi
37W. A. Booth Plumbing Services llc855.0★ (204)8 mi
38The Drain Fighter - Jetting & Drain Cleaning854.9★ (484)24 mi
39Warrior Plumbing & Heating854.9★ (400)22 mi
40Benjamin Franklin Plumbing of Columbia854.9★ (257)20 mi
41F.H. Furr Plumbing, Heating, Air Conditioning & Electrical854.8★ (1,788)13 mi
42Barstow & Sons Heating and Cooling854.9★ (1,127)4 mi
43Get Back Plumbing854.9★ (104)15 mi
44SLO-FLO Plumbing855.0★ (213)10 mi
45Benjamin Franklin Plumbing of Baltimore854.9★ (326)23 mi
46North River Plumbing & Gas, LLC854.8★ (56)10 mi
47Benjamin Franklin Plumbing of Pasadena855.0★ (121)7 mi
48Catons Plumbing, Drains & Water Cleanup854.8★ (565)23 mi
49Shomler Solutions855.0★ (19)7 mi
50Mister Plumber & Son854.9★ (28)9 mi

Also serving Arnold

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 Arnold
BusinessGoogle ratingDistance
Abbott's Plumbing4.6★ (426)17 mi
All Clear Plumbing & Drain Service, LLC4.8★ (547)19 mi
Around the Clock Plumbing & Heating5.0★ (2)16 mi
D.K. Miller Plumbing3.0★ (2)In Arnold
Davis Plumbing & Heating Inc5.0★ (2)16 mi
DJE Plumbing and Heating5.0★ (2)13 mi
Ferguson3.0★ (2)17 mi
Home Services at The Home Depot3.0★ (2)19 mi
Joint Plumbing Apprentice4.5★ (2)16 mi
Lux elextric and plumbing3.0★ (2)14 mi
Perfect Plumbing4.7★ (196)16 mi
Plumber & Toilet Unclogging Pros Baltimore5.0★ (2)18 mi
Plumbing AnnapolisIn Arnold
R & G Plumbing & Heating5.0★ (2)19 mi
Sam Plumbing And Drain, LLC5.0★ (2)17 mi
Scardina Plumbing-Heating Inc5.0★ (2)19 mi
tck plumbing5.0★ (2)19 mi
TNT Plumbing & Drain Service, LLC4.9★ (110)16 mi
Worldwide Corporation4.5★ (2)20 mi
Wrangler Plumbing & Heating5.0★ (2)8 mi

How much do plumbers cost in Arnold?

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

How much do plumbers cost in Arnold?
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 Arnold plumbers

We scored 487 Arnold 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 Arnold 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 Arnold: frequently asked questions

Who is the best plumber in Arnold?

By CR Score, the highest-ranked plumber in Arnold, MD is Howard Plumbing with a CR Score of 91/100. It has 4.9★ from 521 Google reviews. It is open 24/7. Roto-Rooter Plumbing & Water Cleanup (#2) and Catons Plumbing, Drains & Water Cleanup (#3) follow. We ranked 487 plumbers on 8 factors, last updated October 22, 2026.

How many plumbers are there in Arnold?

ContractorsRanked ranks 487 plumbers serving Arnold, MD. 3 of them are based in Arnold; 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 Arnold are open 24/7?

159 ranked plumbers in Arnold post 24/7 hours. The highest-ranked are Howard Plumbing (#1), Roto-Rooter Plumbing & Water Cleanup (#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 Arnold work on weekends?

293 of 487 ranked plumbers post Saturday hours and 209 post Sunday hours. The highest-ranked open Saturdays are Howard Plumbing (#1), Roto-Rooter Plumbing & Water Cleanup (#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 Arnold?

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

What Google rating do Arnold plumbers have?

The median Google rating among 487 rated plumbers in Arnold is 4.8★, with a median of 25 reviews. Len The Plumber Heating & Air, LLC has the most, 15,911 reviews, and ranks #7. 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 Arnold

  1. October 2026: CR Scores recalculated for 487 plumbers serving Arnold.
  2. October 2026: 4 duplicate listings merged.

More plumbers and Arnold pages

Other trades in Arnold