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ContractorsRanked

Best Plumbers in Merrimac, MA (2026)

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

The short answer

  1. 1

    Best overall in Merrimac: A-List Drains Inc, CR Score 90/100; 5.0★ from 142 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Maffei Services, posts 24/7 hours; ranked #2 of 472.

  3. 46

    Most-reviewed: Heritage Home Service, 7,956 Google reviews at 4.8★, the most of 472 ranked; ranked #46.

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

472 Merrimac plumbers are ranked here by CR Score, from 8 published factors. 162 are open 24/7, 255 open Saturdays and 206 open Sundays, based on posted hours. The median Google rating is 4.9★ across 472 rated businesses.

Top 10 plumbers in Merrimac at a glance

Top 10 plumbers in Merrimac at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1A-List Drains Inc905.0★ (142)Andover, 4 mi away24/7Overall
2Maffei Services894.7★ (848)Haverhill, 10 mi away24/7Emergencies
3Plumr884.9★ (286)North Andover, 11 mi away24/7—
4Jeff's Drains884.8★ (102)Haverhill, 6 mi away24/7—
5Rooter Man885.0★ (118)Lawrence, 12 mi away24/7—
6Roto-Rooter Plumbing & Water Cleanup874.8★ (1,146)Lowell, 20 mi away24/7—
7John's Sewer & Drain Cleaning874.9★ (796)Woburn, 23 mi away24/7—
8Mr. Handyman of South Essex County874.9★ (526)Peabody, 21 mi away24/7—
9Dale Plumbing Services Inc.875.0★ (226)Tewksbury, 20 mi away24/7—
10Eric C. Foster Plumbing Heating & Cooling Inc.874.9★ (619)Chelmsford, 23 mi away24/7—

The 472 best plumbers in Merrimac, 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.

  2. #2 Maffei Services

    Based in Haverhill, 10 mi away

    89/100CR Score

    Ranked #2 because of its Google rating and availability: 4.7★ from 848 Google reviews, open 24/7.

    • 4.7★ from 848 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    383 Main St, Rowley, MA 01969
    View profile for Maffei Services(978) 208-2055

  3. #3 Plumr

    Based in North Andover, 11 mi away

    88/100CR Score

    Ranked #3 because of its Google rating and availability: 4.9★ from 286 Google reviews, open 24/7.

    • 4.9★ from 286 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    8 Marblehead St B, North Andover, MA 01845
    View profile for Plumr(781) 606-5200

  4. #4 Jeff's Drains

    Based in Haverhill, 6 mi away

    88/100CR Score

    Ranked #4 because of its Google rating and availability: 4.8★ from 102 Google reviews, open 24/7.

    • 4.8★ from 102 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    183 Orchard Hill Rd, Haverhill, MA 01835
    View profile for Jeff's Drains(978) 857-3862

  5. #5 Rooter Man

    Based in Lawrence, 12 mi away

    88/100CR Score

    Ranked #5 because of its Google rating and availability: 5.0★ from 118 Google reviews, open 24/7.

    • 5.0★ from 118 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    46 Portland St, Lawrence, MA 01843
    View profile for Rooter Man(978) 686-2214

  14. #14 My Plumber

    Based in Auburn, 8 mi away

    86/100CR Score

    Ranked #14 because of its Google rating and availability: 5.0★ from 36 Google reviews, open 24/7.

    • 5.0★ from 36 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for My Plumber(781) 267-5629

  15. #15 Sewer Bros.

    Based in Andover, 19 mi away

    86/100CR Score

    Ranked #15 because of its Google rating and availability: 5.0★ from 172 Google reviews, open 24/7.

    • 5.0★ from 172 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    View profile for Sewer Bros.(978) 778-6672

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

plumbers in Merrimac, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Flow Pro Plumbing and Drain Cleaning855.0★ (118)22 mi
27Waldman Plumbing & Heating854.8★ (450)25 mi
28Dash Drains854.8★ (88)17 mi
29Drains By James Inc.854.8★ (207)21 mi
30Capeless Plumbing & Heating845.0★ (31)14 mi
31A.S.K. Plumbing & Heating845.0★ (33)15 mi
32JLB Plumbing & Mechanical, LLC844.9★ (143)22 mi
33Rooter-Man844.8★ (23)10 mi
34Chevron Plumbing844.9★ (176)24 mi
35Blaisdell Plumbing and Heating845.0★ (620)22 mi
36Heritage Home Service844.9★ (2,248)15 mi
37Roto-Rooter Plumbing & Water Cleanup844.7★ (411)24 mi
38MillTown Plumbing, Heating, Cooling and Electrical844.8★ (2,927)23 mi
39Priority Plumbing844.9★ (149)24 mi
40Seacoast Sewer & Drain, Inc.844.9★ (156)24 mi
41ER Services Plumbing and Heating LLC844.8★ (313)11 mi
42The Drain Surgeon845.0★ (25)15 mi
43Absolute Precision Plumbing, Heating & Cooling844.9★ (491)18 mi
44P M Drain Cleaning845.0★ (14)12 mi
4524Hr Drain Cleaning & Plumbing844.9★ (100)23 mi
46Heritage Home Service844.8★ (7,956)20 mi
47Thin Blue Line Plumbing and Heating, L.L.C.845.0★ (36)18 mi
48ASAP Drains and Sewers Incorporated834.8★ (125)22 mi
49Falite Bros., Inc.834.7★ (225)23 mi
50Precision Plumbing Solutions835.0★ (49)21 mi

Also serving Merrimac

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 Merrimac
BusinessGoogle ratingDistance
Alan Bousquet Plumbing and Heating3.0★ (2)11 mi
Bowman Plumbing Services3.0★ (2)15 mi
Dacare the Plumber5.0★ (2)13 mi
Dan Rich Plumbing & Heating Co2.5★ (2)7 mi
Daniel Doore Plumbing& Heating3.0★ (2)13 mi
Doug Anderson Plumbing and Heating4.9★ (222)25 mi
Fairbanks Property Services LLC5.0★ (2)5 mi
Harley Weymouth Plumbing & Heating5.0★ (2)16 mi
J. Griffin Heating & Plumbing Inc5.0★ (643)19 mi
Jim Tobey Plumbing & Heating3.0★ (2)9 mi
Just Great Plumbing and Heating LLC5.0★ (2)7 mi
Krafton plumbing and heating5.0★ (2)13 mi
Mc Nally & Sons Plumbing & Heating5.0★ (2)12 mi
Merrimack Valley Plumbing3.0★ (2)7 mi
Mikey Pipes Plumbing & Heating LLC5.0★ (2)16 mi
Nicklas Plumbing & Heating1.0★ (1)In Merrimac
On Demand Plumbing & Heating5.0★ (2)12 mi
QUIRK Real Estate Sales, Development and Construction3.0★ (2)9 mi
SPC Plumbing & Heating5.0★ (2)12 mi
TAPS Decorative Plumbing5.0★ (2)14 mi

How much do plumbers cost in Merrimac?

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

How much do plumbers cost in Merrimac?
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 Massachusetts

In Massachusetts, Massachusetts Board of State Examiners of Plumbers and Gas Fitters 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 Merrimac plumbers

We scored 472 Merrimac 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 Merrimac 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 Merrimac: frequently asked questions

Who is the best plumber in Merrimac?

By CR Score, the highest-ranked plumber in Merrimac, MA is A-List Drains Inc with a CR Score of 90/100. It has 5.0★ from 142 Google reviews. It is open 24/7. Maffei Services (#2) and Plumr (#3) follow. We ranked 472 plumbers on 8 factors, last updated October 22, 2026.

How many plumbers are there in Merrimac?

ContractorsRanked ranks 472 plumbers serving Merrimac, MA. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.

Which plumbers in Merrimac are open 24/7?

162 ranked plumbers in Merrimac post 24/7 hours. The highest-ranked are A-List Drains Inc (#1), Maffei Services (#2) and Plumr (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which plumbers in Merrimac work on weekends?

255 of 472 ranked plumbers post Saturday hours and 206 post Sunday hours. The highest-ranked open Saturdays are A-List Drains Inc (#1), Maffei Services (#2) and Plumr (#3). Posted hours are office hours; crews may book weekend jobs separately.

How do I check a plumber's license in Massachusetts?

In Massachusetts, Massachusetts Board of State Examiners of Plumbers and Gas Fitters handles licensing and covers Plumbing work: water supply, drain, waste and vent piping and fixtures.

How much does water heater replacement cost in Merrimac?

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

What Google rating do Merrimac plumbers have?

The median Google rating among 472 rated plumbers in Merrimac is 4.9★, with a median of 18 reviews. Heritage Home Service has the most, 7,956 reviews, and ranks #46. 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 Merrimac

  1. October 2026: CR Scores recalculated for 472 plumbers serving Merrimac.
  2. October 2026: 4 duplicate listings merged.

More plumbers and Merrimac pages

Other trades in Merrimac