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Emergency Plumbers in Chelmsford, MA (2026)

Top 50 of 789 plumbers, in emergency orderUpdated 0 paid placements in this rankingHow we rank

25 of the 50 plumbers on this list post 24/7 hours. 24/7 businesses come first, then same-day, each ranked by CR Score with availability weighted higher.

Burst pipe or major leak: shut off the main water valve first. If water reaches outlets or the panel, stay clear and call 911.

The short answer

  1. 1

    #1 for emergency plumbing in Chelmsford: Eric C. Foster Plumbing Heating & Cooling Inc., open 24/7.

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

Top emergency plumbers in Chelmsford at a glance

Top emergency plumbers in Chelmsford at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Eric C. Foster Plumbing Heating & Cooling Inc.654.9★ (619)Chelmsford24/7
2Roto-Rooter Plumbing & Water Cleanup644.8★ (1,146)Lowell, 4 mi away24/7
3MillTown Plumbing, Heating, Cooling and Electrical634.8★ (2,927)Chelmsford24/7
4Sam Sean Plumbing and Heating, LLC634.9★ (137)Chelmsford24/7
5Doug Anderson Plumbing and Heating634.9★ (222)Acton, 3 mi away24/7
6John's Sewer & Drain Cleaning624.9★ (796)Woburn, 12 mi away24/7
7Skill Pro Services - Plumbing & Gas-Fitting625.0★ (222)Pinehurst, 6 mi away24/7
8Dale Plumbing Services Inc.625.0★ (226)Tewksbury, 7 mi away24/7
9Rescue Plumbing Services625.0★ (111)Westford, 4 mi away24/7
10Armory Plumbing Inc.614.8★ (79)Lowell, 2 mi away24/7

Call an emergency plumber in Chelmsford now

24/7 hours mean the business says its phone is answered around the clock. Arrival time depends on where the crew is. Ask for an arrival window when you call.

The 50 emergency plumbers in Chelmsford, ranked

24/7 first, then same-day service, then the rest. Each group is in CR Score order on emergency weights. The full ranking of all 789 is on the plumbers page.

Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  17. #17 Drains By James Inc.

    Based in Wilmington, 10 mi away

    61/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.8★ from 207 Google reviews, listed on Google as “Plumber”.

    • 4.8★ from 207 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    190 Main St STE 6, Wilmington, MA 01887
    View profile for Drains By James Inc.(781) 734-7655

  18. #18 Chevron Plumbing

    Based in Burlington, 10 mi away

    60/100CR Score

    Ranked #18 because of its Google rating and trade focus: 4.9★ from 176 Google reviews, listed on Google as “Plumber”.

    • 4.9★ from 176 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    5 Grant Ave, Burlington, MA 01803
    View profile for Chevron Plumbing(781) 999-4987

  20. #20 Plumr

    Based in North Andover, 14 mi away

    60/100CR Score

    Ranked #20 because of its Google rating and trade focus: 4.9★ from 286 Google reviews, listed on Google as “Plumber”.

    • 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

Top 50 of 789 plumbers by emergency score

#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile.

plumbers in Chelmsford, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Mr. Handyman of South Essex County604.9★ (526)19 mi
27CSB Plumbing Co.604.9★ (80)9 mi
28MAC Home Services LLC605.0★ (89)11 mi
29128 Plumbing, Heating, Cooling & Electric604.9★ (3,912)17 mi
30Absolute Precision Plumbing, Heating & Cooling605.0★ (255)17 mi
31Rooter Man595.0★ (118)13 mi
32Sewer Bros.595.0★ (172)16 mi
33Mystic Valley Home Services595.0★ (131)15 mi
34Accurate Baker Elman594.9★ (552)23 mi
35Fitz Just Right Plumbing595.0★ (36)8 mi
36Papalia Home Services594.9★ (3,978)10 mi
37Roto-Rooter Plumbing & Water Cleanup594.8★ (451)21 mi
38Addario's Plumbing, Heating, Cooling & Electrical Services594.6★ (2,076)12 mi
39Falite Bros., Inc.594.7★ (225)17 mi
40Ari's Pro Drain Cleaning594.9★ (108)15 mi
41JLB Plumbing & Mechanical, LLC594.9★ (143)17 mi
42Revolution Plumbing594.9★ (30)8 mi
43Monroe Home Solutions584.7★ (340)20 mi
44Hometown Plumbing585.0★ (25)8 mi
45Johnstone Plumbing & Heating Inc585.0★ (14)5 mi
46All Out Services585.0★ (47)13 mi
47J. Griffin Heating & Plumbing Inc585.0★ (643)13 mi
48Capeless Plumbing & Heating585.0★ (31)11 mi
49Gideon Plumbing Services585.0★ (29)10 mi
50Waldman Plumbing & Heating584.8★ (450)24 mi

How we ranked emergency plumbers in Chelmsford

Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 plumbers are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

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 from
Reputation15%Google star rating, adjusted for how many reviews back it
Credentials15%Active state license, bond and workers’ comp on file
Review volume10%Number of Google reviews, compared with the most-reviewed business on the list
Recency5%Share of reviews from the last 12 months
Availability15%Weekly open hours, Saturday, Sunday, 24/7 or same-day
Trade focus10%How clearly the business does this trade (its Google category and name)
Proximity5%Based in the city scores highest, less the farther away it is
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodically
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there are

Emergency plumbers in Chelmsford: questions

Which plumbers in Chelmsford are open 24/7?

25 on this list post 24/7 hours, including Eric C. Foster Plumbing Heating & Cooling Inc., Roto-Rooter Plumbing & Water Cleanup, MillTown Plumbing, Heating, Cooling and Electrical, Sam Sean Plumbing and Heating, LLC and Doug Anderson Plumbing and Heating.

Who is ranked #1 for emergency plumbing in Chelmsford, MA?

Eric C. Foster Plumbing Heating & Cooling Inc. is #1, with a CR Score of 65 out of 100 on emergency weights.

How are emergency plumbers in Chelmsford ranked?

Emergency lists move 10 points of the CR Score from reputation to availability: 15% and 15%. Availability credits 24/7 hours, same-day service, weekend hours and weekly open hours. 24/7 plumbers are listed first, then same-day, then the rest; ranks follow that order. Paid placement never changes a rank.

What should I do before the plumber arrives?

Burst pipe or major leak: shut off the main water valve first. If water reaches outlets or the panel, stay clear and call 911.

How many emergency plumbers here list a phone number?

25 of the 25 businesses ranked in full list a phone number. Tap Call to dial it.

Update log for Chelmsford

  1. October 2026: CR Scores recalculated for 789 plumbers serving Chelmsford.
  2. October 2026: 5 duplicate listings merged.

More emergency and plumbing pages