🔧 Official Rankings
10 Best Plumbers in Frederick, MD (September 2026)
We compared 10 plumbers serving Frederick and Frederick County, Maryland, and ranked the top providers by verified reviews, ratings, and local reputation — 6,081 customer reviews in all.
The 10 listed below hold an average rating of 4.9 out of 5, led by BPM Heating, Cooling & Plumbing. Updated for September 2026.
- Plumbers ranked
- 10
- Average rating
- 4.9★
- Reviews analyzed
- 6,081
- Area codes
- 301, 240
⭐ 5.0 · 409 reviews
300 E 4th St Unit A, Frederick, MD 21701
⭐ 5.0 · 400 reviews
619 Huntover Ln, Frederick, MD 21703
⭐ 5.0 · 125 reviews
5735 Industry Ln Ste 201, Frederick, MD 21704
⭐ 4.9 · 140 reviews
12 King Ave, Frederick, MD 21701
⭐ 4.8 · 1730 reviews
82A Wormans Mill Ct, Frederick, MD 21701
⭐ 4.8 · 1305 reviews
4907 International Blvd #113, Frederick, MD 21703
⭐ 4.8 · 1013 reviews
5744 Industry Ln Ste N, Frederick, MD 21704
⭐ 4.8 · 683 reviews
9121 Baltimore Rd, Frederick, MD 21704
Plumbers listed here serve Frederick, Frederick County, and nearby ZIP codes including 20678, 21701, 21702, 21703, 21704, 21705, 21709.