🔧 Official Rankings
10 Best Plumbers in Frederick, MD (August 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 August 2026.
- Plumbers ranked
- 10
- Average rating
- 4.9★
- Reviews analyzed
- 6,081
- Area codes
- 301, 240
BPM Heating, Cooling & Plumbing
⭐ 5.0 · 409 reviews
300 E 4th St Unit A, Frederick, MD 21701
Masterpiece Plumbing & Drain, LLC
⭐ 5.0 · 400 reviews
619 Huntover Ln, Frederick, MD 21703
Mallick Plumbing & Heating, Inc.
⭐ 5.0 · 125 reviews
5735 Industry Ln Ste 201, Frederick, MD 21704
Zo Plumbing and Drain Cleaning LLC
⭐ 4.9 · 140 reviews
12 King Ave, Frederick, MD 21701
TriState Home Services
⭐ 4.8 · 1730 reviews
82A Wormans Mill Ct, Frederick, MD 21701
Wenbrooke Services - Electrical, Plumbing, Heating and Air
⭐ 4.8 · 1305 reviews
4907 International Blvd #113, Frederick, MD 21703
Larry & Sons Plumbing, Heating, Cooling, Drain & Electrical
⭐ 4.8 · 1013 reviews
5744 Industry Ln Ste N, Frederick, MD 21704
O'Connor Plumbing
⭐ 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.