113 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in South Portland: Zoom Drain, CR Score 95/100; 4.9★ from 2,159 Google reviews; open 24/7.
Best for emergencies (open 24/7): LaPlante Electric, posts 24/7 hours; ranked #2 of 113.
Most-reviewed: LaPlante Electric, 1,260 Google reviews at 4.9★, the most of 113 ranked after Zoom Drain; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
113 South Portland plumbers are ranked here by CR Score, from 8 published factors. 17 are open 24/7, 31 open Saturdays and 22 open Sundays, based on posted hours. The median Google rating is 4.9★ across 113 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Zoom Drain | 95 | 4.9★ (2,159) | Buxton, 6 mi away | 24/7 | Overall |
| 2 | LaPlante Electric | 93 | 4.9★ (1,260) | Buxton, 10 mi away | 24/7 | Emergencies, Most reviews |
| 3 | EcoClean | 89 | 4.8★ (159) | Buxton, 7 mi away | 24/7 | — |
| 4 | Wanda's Water Heaters | 88 | 5.0★ (29) | Portland, 4 mi away | 24/7 | — |
| 5 | Woodville Plumbing and Heating | 86 | 4.7★ (43) | Buxton, 7 mi away | 24/7 | — |
| 6 | Heritage Home Service | 86 | 4.8★ (630) | Portland, 4 mi away | 24/7 | — |
| 7 | Pine State Services | 85 | 4.7★ (1,112) | Buxton, 6 mi away | 24/7 | — |
| 8 | TJ Plumbing and Heating | 85 | 4.9★ (30) | Portland, 2 mi away | Sat · Sun · Evenings | — |
| 9 | 207 Plumbing and Heating | 85 | 4.7★ (429) | Gorham, 13 mi away | 24/7 | — |
| 10 | Aces Highlands HVAC/Plumbing | 82 | 5.0★ (18) | Portland, 6 mi away | 24/7 | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and review volume: 4.9★ from 2,159 Google reviews, the most Google reviews on this list (2,159).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Buxton, 10 mi away
Ranked #2 because of its Google rating and availability: 4.9★ from 1,260 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Buxton, 7 mi away
Ranked #3 because of its Google rating and availability: 4.8★ from 159 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Portland, 4 mi away
Ranked #4 because of its Google rating and availability: 5.0★ from 29 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Buxton, 7 mi away
Ranked #5 because of its Google rating and availability: 4.7★ from 43 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Portland, 4 mi away
Ranked #6 because of its Google rating and availability: 4.8★ from 630 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Buxton, 6 mi away
Ranked #7 because of its Google rating and availability: 4.7★ from 1,112 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Portland, 2 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 30 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Gorham, 13 mi away
Ranked #9 because of its Google rating and availability: 4.7★ from 429 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Portland, 6 mi away
Ranked #10 because of its Google rating and availability: 5.0★ from 18 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Biddeford, 11 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Biddeford, 19 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 70 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Biddeford, 13 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 35 Google reviews, listed on Google as “Plumber”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Auburn, 24 mi away
Ranked #14 because of its Google rating and availability: 5.0★ from 10 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Buxton, 3 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 135 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Gorham, 1 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 107 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Buxton, 20 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 63 Google reviews, listed on Google as “Plumber”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Buxton, 8 mi away
Ranked #18 because of its Google rating and trade focus: 4.8★ from 39 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Biddeford, 6 mi away
Ranked #19 because of its Google rating and availability: 5.0★ from 9 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Buxton, 4 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 126 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Portland, 6 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Plumber”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Biddeford, 22 mi away
Ranked #22 because of its Google rating and availability: 5.0★ from 110 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Biddeford, 2 mi away
Ranked #23 because of its Google rating and availability: 5.0★ from 8 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Portland, 1 mi away
Ranked #24 because of its Google rating and availability: 4.4★ from 15 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Buxton, 6 mi away
Ranked #25 because of its Google rating and review volume: 4.9★ from 488 Google reviews, 488 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #28 to #42, in CR Score order; each links to its profile. We publish the top 42 of 113 ranked plumbers here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 28 | Grant's Plumbing and Heating | 78 | 4.2★ (46) | 17 mi |
| 29 | Buckeye Plumbing and Heating, LLC | 78 | 5.0★ (3) | 16 mi |
| 30 | Steven H Chamberlain Plumbing | 77 | 4.5★ (10) | 10 mi |
| 32 | Lombard William D Jr Inc | 77 | 5.0★ (11) | 15 mi |
| 38 | David Blackwell Plumbing & Heating | 75 | 3.9★ (27) | 19 mi |
| 39 | John Scott Plumbing and Heating | 75 | 4.3★ (11) | 7 mi |
| 42 | Darling Plumbing & Heating | 75 | 4.2★ (24) | 4 mi |
National price ranges in USD, not adjusted for South Portland. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Water heater replacement | $882 | $1,348 | $1,826 | Per unit, installed (unit plus labor); typical range of customer-reported jobs. US national range | October 2026 |
In Maine, Maine Office of Professional and Occupational Regulation licenses Plumber licenses (Plumbers’ Examining Board).
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
We scored 113 South Portland 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.
| Factor | Weight | Computed from | In South Portland data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |