🔧 Official Rankings
10 Best Plumbers in Watertown, MA (September 2026)
We compared 10 plumbers serving Watertown and Middlesex County, Massachusetts, and ranked the top providers by verified reviews, ratings, and local reputation — 6,113 customer reviews in all.
The 10 listed below hold an average rating of 4.8 out of 5, led by S.D.H. Plumbing & Heating. Updated for September 2026.
- Plumbers ranked
- 10
- Average rating
- 4.8★
- Reviews analyzed
- 6,113
- Area codes
- 617, 781
⭐ 4.9 · 464 reviews
237 Riverview Ave, Auburndale, MA 02466
⭐ 4.8 · 2876 reviews
108 School St, Watertown, MA 02472
⭐ 4.8 · 1931 reviews
586 Pleasant St #4, Watertown, MA 02472
⭐ 4.9 · 84 reviews
15 Main St #255, Watertown, MA 02472
⭐ 4.8 · 523 reviews
165 Middlesex Ave #1057, Somerville, MA 02145
⭐ 5.0 · 32 reviews
1121 Washington St Ste 712, West Newton, MA 02465
⭐ 4.8 · 91 reviews
45 Brighton St, Belmont, MA 02478
⭐ 4.9 · 28 reviews
15 Main St Ste 245, Watertown, MA 02472
⭐ 4.6 · 28 reviews
Watertown St, Newton, MA 02458
Plumbers listed here serve Watertown, Middlesex County, and nearby ZIP codes including 02172, 02272, 02277, 02471, 02472, 02477.