🔧 Official Rankings
10 Best Plumbers in Lake Oswego, OR (August 2026)
We compared 10 plumbers serving Lake Oswego and Clackamas County, Oregon, and ranked the top providers by verified reviews, ratings, and local reputation — 7,797 customer reviews in all.
The 10 listed below hold an average rating of 4.9 out of 5, led by PDX Plumber. Updated for August 2026.
- Plumbers ranked
- 10
- Average rating
- 4.9★
- Reviews analyzed
- 7,797
- Area codes
- 503, 971
Alchemy Plumbing
⭐ 4.9 · 956 reviews
6615 SW McEwan Rd, Lake Oswego, OR 97035
Terry Massey Plumbing
⭐ 5.0 · 101 reviews
12949 SE Rusk Rd, Milwaukie, OR 97222
Mainstreet Design and Build
⭐ 5.0 · 88 reviews
525 3rd St Ste 200, Lake Oswego, OR 97034
Noah's Rapid Plumbing LLC
⭐ 4.9 · 155 reviews
16103 SE McLoughlin Blvd #3480, Portland, OR 97267
3 Mountains Home Services
⭐ 4.8 · 6040 reviews
9800 SE McBrod Ave, Milwaukie, OR 97222
Owen & Sons Heating & Air Conditioning
⭐ 4.9 · 63 reviews
175 Evergreen Rd, Lake Oswego, OR 97034
Nichols Plumbing
⭐ 4.9 · 39 reviews
4375 SE Mark Kelly Ct, Milwaukie, OR 97267
Plumbers listed here serve Lake Oswego, Clackamas County, and nearby ZIP codes including 97034, 97035.