Best plumbers in Marlborough, MA

The highest-scoring plumber in and near Marlborough is Wellesley Plumbing & Heating Inc. (score 74, 4.9 stars from 249 Google reviews). 3 companies meet the 5 Star standard within about 16 miles.

Last updated Nov 1, 2026How we rank
  1. 1

    Wellesley Plumbing & Heating Inc.

    4.9 · 249 Google reviewsWellesley, MA
    74SCORE
  2. 2

    781 Plumbing & HVAC Corp

    4.9 · 66 Google reviews
    68SCORE
  3. 3

    Test of Time Plumbing, Heating, Air & Electrical

    4.9 · 206 Google reviewsWellesley Hills, MA
    66SCORE

We list only companies that clear our published bar, so this area is still filling in. As more plumbers near Marlborough qualify, they'll appear here automatically.

Compare the top 3

Top plumbers in Marlborough by 5 Star Score
#CompanyScoreGoogle ratingReviewsYearsBased in
1Wellesley Plumbing & Heating Inc.744.9249–Wellesley
2781 Plumbing & HVAC Corp684.966–
3Test of Time Plumbing, Heating, Air & Electrical664.9206–Wellesley Hills

Plumbers in Marlborough: quick answers

Who is the highest-rated plumber in Marlborough, MA?

Wellesley Plumbing & Heating Inc. has the highest 5 Star Score among plumbers in and near Marlborough: 74 out of 100, with a 4.9 star Google rating from 249 reviews.

How many 5 Star plumbers serve Marlborough?

3 plumbers meet our standard within about 16 miles of Marlborough: at least a 4.5 star rating, 20 or more reviews and a score of 60 or higher. The top 3 have 521 Google reviews between them, averaging 4.90 stars.

How are these plumbers ranked?

By 5 Star Score: rating quality adjusted for review count (45 points), review volume (25), review recency (15), years in business (10) and license verification (5). Businesses cannot pay to change their score.

Plumbers near Marlborough

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Ratings and review counts come from each company's public Google listing and are re-checked monthly. 5 Star Home Service Pros is independent; companies cannot pay for placement.