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Emergency Plumbers in Grafton, MA (2026)

Top 27 of 504 plumbers, in emergency orderUpdated 0 paid placements in this rankingHow we rank

25 of the 27 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 Grafton: Roto-Rooter Plumbing & Water Cleanup, 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 Grafton at a glance

Top emergency plumbers in Grafton at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Roto-Rooter Plumbing & Water Cleanup914.8★ (1,228)Worcester, 10 mi away24/7
2Blue Owl Plumbing915.0★ (117)Grafton24/7
3Assured Service, Inc.904.9★ (96)Grafton24/7
4G&C Plumbing & Heating905.0★ (602)Blackstone, 14 mi away24/7
5Landry Mechanical Inc Plumbing HVAC & Electric904.8★ (3,030)Millbury, 4 mi away24/7
6Wind River Environmental904.9★ (854)Hudson, 15 mi away24/7
7Stake Plumbing and Heating895.0★ (182)Holden, 9 mi away24/7
8STP Plumbing895.0★ (484)Blackstone, 16 mi away24/7
9Control Point Heating • Cooling • Plumbing • Electric895.0★ (586)Shrewsbury, 4 mi away24/7
10GEM Plumbing & Heating884.7★ (635)Blackstone, 13 mi away24/7

Call an emergency plumber in Grafton 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 27 emergency plumbers in Grafton, 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 504 is on the plumbers page.

Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  8. #8 STP Plumbing

    Based in Blackstone, 16 mi away

    89/100CR Score

    Ranked #8 because of its Google rating and availability: 5.0★ from 484 Google reviews, open 24/7.

    • 5.0★ from 484 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    544 Summer Pl, Blackstone, MA 01504
    View profile for STP Plumbing(508) 257-1407

Top 27 of 504 plumbers by emergency score

#1 to #25 are shown in full above. Here are #26 to #27, in CR Score order; each links to its profile.

plumbers in Grafton, ranks 26 to 27
RankBusinessCR ScoreGoogle ratingDistance
26Pipe & Plumber875.0★ (29)7 mi
27WB Plumbing874.9★ (54)5 mi

How we ranked emergency plumbers in Grafton

Emergency lists move 10 points of the CR Score from reputation to availability: 25% and 20%. 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
Reputation25%Bayesian-adjusted Google star rating
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2
Review volume10%log10(reviews + 1) against the list maximum
Recency10%Share of reviews from the last 12 months
Availability20%Weekly open hours, Saturday, Sunday, 24/7 or same-day
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radius
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)

Emergency plumbers in Grafton: questions

Which plumbers in Grafton are open 24/7?

25 on this list post 24/7 hours, including Roto-Rooter Plumbing & Water Cleanup, Blue Owl Plumbing, Assured Service, Inc., G&C Plumbing & Heating and Landry Mechanical Inc Plumbing HVAC & Electric.

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

Roto-Rooter Plumbing & Water Cleanup is #1, with a CR Score of 91 out of 100 on emergency weights.

How are emergency plumbers in Grafton ranked?

Emergency lists move 10 points of the CR Score from reputation to availability: 25% and 20%. 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 Grafton

  1. October 2026: CR Scores recalculated for 504 plumbers serving Grafton.
  2. October 2026: 2 duplicate listings merged.

More emergency and plumbing pages