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Emergency Plumbers in Dover, NH (2026)

Top 50 of 112 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 Dover: Sgt. Smith's Drain Cleaning Services, 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 Dover at a glance

Top emergency plumbers in Dover at a glance
RankBusinessCR ScoreGoogle ratingBased inHours
1Sgt. Smith's Drain Cleaning Services634.8★ (196)Biddeford, 6 mi away24/7
2Seacoast Sewer & Drain, Inc.624.9★ (156)Eliot, 7 mi away24/7
3All American Plumbing and Heating614.9★ (58)Eliot, 4 mi away24/7
4Backwater Plumbing LLC605.0★ (35)Eliot, 7 mi away24/7
5Rooter-Man604.5★ (33)Eliot, 4 mi away24/7
6Value Rooter604.8★ (19)South Berwick, 3 mi away24/7
7SRV Plumbing and Heating595.0★ (58)Haverhill, 15 mi away24/7
8Top Dog Sewer & Drain594.9★ (58)Chester, 15 mi away24/7
9Heritage Home Service594.9★ (2,248)Hampton, 15 mi away24/7
10Advanced Plumbing LLC585.0★ (129)Auburn, 23 mi away24/7

Call an emergency plumber in Dover 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 Dover, 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 112 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.

  5. #5 Rooter-Man

    Based in Eliot, 4 mi away

    60/100CR Score

    Ranked #5 because of its Google rating and trade focus: 4.5★ from 33 Google reviews, listed on Google as “Plumber”.

    • 4.5★ from 33 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    814 ME-236, Eliot, ME 03903
    View profile for Rooter-Man(207) 439-4617

  6. #6 Value Rooter

    Based in South Berwick, 3 mi away

    60/100CR Score

    Ranked #6 because of its Google rating and trade focus: 4.8★ from 19 Google reviews, listed on Google as “Plumber”.

    • 4.8★ from 19 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    86 Oldfields Rd, South Berwick, ME 03908
    View profile for Value Rooter(207) 384-2879

  12. #12 Port City Plumbing

    Based in Portsmouth, 9 mi away

    57/100CR Score

    Ranked #12 because of its Google rating and trade focus: 3.7★ from 31 Google reviews, listed on Google as “Plumber”.

    • 3.7★ from 31 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1250 Woodbury Ave, Portsmouth, NH 03801
    View profile for Port City Plumbing(603) 431-7770

  14. #14 Rooter-Man

    Based in Exeter, 16 mi away

    57/100CR Score

    Ranked #14 because of its Google rating and trade focus: 4.8★ from 23 Google reviews, listed on Google as “Plumber”.

    • 4.8★ from 23 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    12 Kingston Rd Suite D, Exeter, NH 03833
    View profile for Rooter-Man(603) 772-9796

  23. #23 Pilot Plumbing, Heating and Cooling | Plumber, Tankless Water Heater Repair & Installation | Heating & AC Repair Sandown, NH

    Based in Sandown, 22 mi away

    53/100CR Score

    Ranked #23 because of its Google rating and trade focus: 5.0★ from 51 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 51 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    265 Fremont Rd, Sandown, NH 03873
    View profile for Pilot Plumbing, Heating and Cooling | Plumber, Tankless Water Heater Repair & Installation | Heating & AC Repair Sandown, NH(603) 634-8531

  24. #24 HomeWiz

    Based in Biddeford, 16 mi away

    53/100CR Score

    Ranked #24 because of its Google rating and review volume: 4.6★ from 163 Google reviews.

    • 4.6★ from 163 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    694 Post Rd, Wells, ME 04090
    View profile for HomeWiz(207) 506-2232

Top 50 of 112 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 Dover, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Townsend Energy513.7★ (71)11 mi
27Cochecho Plumbing & Heating514.7★ (14)In Dover
28BOH DIRT WORKS, LLC505.0★ (11)13 mi
29NH Groundscapes, LLC (NHG)504.9★ (56)25 mi
30Palmer and Sicard, Inc.503.9★ (20)15 mi
31Belknap Plumbing and Heating484.0★ (4)24 mi
32Michael Olszanowski Plumbing & Heating485.0★ (11)9 mi
33Diamond Hill Plumbing & Heating LLC474.6★ (9)9 mi
34James Golter Plumbing & Heating474.3★ (6)6 mi
35Hollins Plumbing & Heating465.0★ (28)21 mi
36Buchanan Waterworks Plumbing & Heating454.7★ (3)10 mi
37Michael Bourque Plumbing & Heating454.6★ (9)16 mi
38Rooter-Man of Southern Maine/New Hampshire454.4★ (8)15 mi
39Viking Plumbing & Heating454.3★ (3)11 mi
40High Flow Plumbing & Heating, LLC454.2★ (5)13 mi
41Drain King Inc452.5★ (4)10 mi
42Plumbing & Heating Solutions455.0★ (11)19 mi
43Dufresne Plumbing & Heating444.2★ (5)14 mi
44A Sewer Services444.7★ (17)24 mi
45Don-Rite Plumbing & Heating433.3★ (11)19 mi
46Ouwerkerk Plumbing & Heating425.0★ (8)24 mi
47Cole Pro - Plumbing Heating & Cooling425.0★ (48)5 mi
48Ron Berard Plumbing & Heating424.3★ (6)22 mi
49Brian S Brown Plumbing & Heating424.9★ (7)25 mi
50Cutting Edge Plumbing LLC415.0★ (268)20 mi

How we ranked emergency plumbers in Dover

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 Dover: questions

Which plumbers in Dover are open 24/7?

25 on this list post 24/7 hours, including Sgt. Smith's Drain Cleaning Services, Seacoast Sewer & Drain, Inc., All American Plumbing and Heating, Backwater Plumbing LLC and Rooter-Man.

Who is ranked #1 for emergency plumbing in Dover, NH?

Sgt. Smith's Drain Cleaning Services is #1, with a CR Score of 63 out of 100 on emergency weights.

How are emergency plumbers in Dover 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?

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

Update log for Dover

  1. October 2026: CR Scores recalculated for 112 plumbers serving Dover.
  2. October 2026: 1 duplicate listing merged.

More emergency and plumbing pages