Plumbing contractors in Frederick County, MD

371 firms whose permit filings in Frederick County we observed, from records beginning August 2021. The 50 most active are listed here, ordered by permits filed in this county, which reflects our coverage as much as their volume.

• BRYANT GROUP, INC. Anne Arundel County, Frederick County, Howard County 517 permits/to Sep 2026
• CULLIGAN WATER TREATMENT Frederick County 502 permits/to Sep 2026
• AT YOUR SERVICE REPAIR, INC. Frederick County, Howard County 326 permits/to Sep 2026
• BEN LEWIS INC Frederick County 298 permits/to Sep 2026
• ALL AROUND PLUMBING INC Anne Arundel County, Frederick County, Howard County 253 permits/to Aug 2026
• ROBERT A TULL INC Frederick County, Howard County 198 permits/to Aug 2026
• CHESAPEAKE PLUMBING & HEATING, INC Anne Arundel County, Frederick County, Howard County 172 permits/to Aug 2026
• MEGA PLUMBING CORP Anne Arundel County, Frederick County, Howard County 166 permits/to Sep 2026
• RENOVATION EXPERTS INC Frederick County 161 permits/to Aug 2026
• BRUCE BOYD Frederick County 156 permits/to Aug 2026
• PUTMAN PLUMBING INC Frederick County 151 permits/to Aug 2026
• N.E. BOB WALTZ PLUMB/HTG-JEFF Frederick County 142 permits/to Sep 2026
• DAVID L KLIPP Frederick County 123 permits/to Aug 2026
• MICKS PLUMBING & HEATING Frederick County 113 permits/to Sep 2026
• Reed and Son Services, LLC Frederick County 89 permits/to Sep 2026
• MARK L MCLAUGHLIN Frederick County 86 permits/to Aug 2026
• T BRADLEY ROHRER Frederick County 84 permits/to Aug 2026
• Home Express Delivery Service LLC Frederick County 82 permits/to Jan 2026
• GLADHILL PLUMBING & HTG Frederick County 79 permits/to Sep 2026
• AC&T Frederick County 78 permits/to Sep 2026
• FREDERICK PLUMBING & HEATING Frederick County, Howard County 76 permits/to May 2026
• Dorcus Construction Company Inc. Frederick County 74 permits/to Aug 2026
• Henicle's Plumbing, Inc. Frederick County 72 permits/to Aug 2026
• CASTAWAY PLUMBING Anne Arundel County, Frederick County, Howard County 70 permits/to Sep 2026
• BREEDEN MECHANICAL INC Anne Arundel County, Frederick County 67 permits/to Apr 2026
• JAMES E MORGAN Frederick County 67 permits/to Jul 2026
• CLARKSBURG PLUMBING Frederick County, Howard County 66 permits/to Sep 2026
• WILLIAMS PLUMBING, LLC Frederick County, Howard County 66 permits/to Jul 2026
• SCOTT C MISKO Frederick County 65 permits/to Sep 2026
• Eagle Plumbing Frederick County 60 permits/to Sep 2026
• TALON CONSTRUCTION INC Frederick County, Howard County 60 permits/to Aug 2026
• BROWNS PLUMBING & HEATING, INC Frederick County 54 permits/to Jul 2026
• AUGUSTINE PLUMBING LLC Frederick County 51 permits/to Aug 2025
• W A TOLBARD REFR & A/C LLC Frederick County 51 permits/to Jul 2026
• AA ROOTER LLC DBA ROOTERMAN Frederick County, Howard County 48 permits/to Sep 2026
• PRO HOME IMPROVEMENT , LLC Frederick County, Howard County 48 permits/to Sep 2026
• MTM PLUMBING WORKS LLC Frederick County, Howard County 44 permits/to Jul 2026
• MOXLEY PLUMBING Frederick County 43 permits/to Aug 2026
• Easterday-Wilson Water Services, LLC Frederick County 42 permits/to Aug 2026
• JR ROBERT L HALLEY Frederick County 42 permits/to Aug 2026
• Tim Stotelmyer Frederick County 42 permits/to Sep 2026
• Kitchen & Bath Shop Frederick County 41 permits/to Aug 2026
• PJ Fitzpatrick LLC Anne Arundel County, Frederick County, Howard County 41 permits/to Aug 2026
• Brent Taylor Frederick County 39 permits/to Jun 2025
• Shelton Plumbing and Heating, Inc Anne Arundel County, Frederick County, Howard County 39 permits/to Aug 2026
• O'connor Plumbing & Heating Frederick County 37 permits/to Dec 2025
• Josh Ramsburg Frederick County 36 permits/to Aug 2026
• PATRICK N PUTMAN Frederick County 36 permits/to Oct 2023
• Most Valuable Plumber Frederick County 35 permits/to Jun 2026
• PAUL D DAESHIK IM Frederick County 34 permits/to Jul 2026

Plumbing contractors in other counties

Other trades in Frederick County

Built from Frederick County permit filings. Not every filing names a contractor, so a firm working here may not appear. See what we cover, or search the full registry.