Contractor permit directory

Contractors observed in Maryland county permit records, grouped from public filings. Our observation is not complete: not every filing names a contractor, so a firm's real activity is almost always greater than what appears here.

• ONEIL PLUMBING Plumbing/Frederick County, Howard County 69 permits/to Aug 2026
• QTEC LLC Electrical/Anne Arundel County, Frederick County, Howard County, Prince George's County 69 permits/to Aug 2026
• BREEDEN MECHANICAL INC Plumbing/Anne Arundel County, Frederick County 68 permits/to Apr 2026
• STRATEGIC FACTORY Sign/Anne Arundel County, Frederick County, Howard County 68 permits/to Aug 2026
• WILLIAMS PLUMBING, LLC Plumbing/Frederick County, Howard County 68 permits/to Jul 2026
• DIXIE ELECTRIC,INC Electrical/Frederick County, Howard County 67 permits/to Sep 2026
• JAMES E MORGAN Plumbing/Frederick County 67 permits/to Jul 2026
• WORMALD HOME CONSTRUCTIONS Accessory Structure/Frederick County 66 permits/to Aug 2026
• SCOTT C MISKO Plumbing/Frederick County 65 permits/to Sep 2026
• ST JOHN PROPERTIES INC HVAC/Anne Arundel County, Baltimore County, Frederick County, Howard County 65 permits/to Sep 2026
• TALON CONSTRUCTION INC Plumbing/Frederick County, Howard County 65 permits/to Aug 2026
• JR CARL H BEVERIDGE Electrical/Frederick County 64 permits/to Aug 2026
• CK ELECTRIC LLC HVAC/Frederick County, Howard County 63 permits/to Aug 2026
• HKS Inc. Structural/Frederick County 63 permits/to Jul 2026
• MC Fence and Deck LLC Deck & Patio/Baltimore County, Frederick County, Howard County 63 permits/to Dec 2024
• SOUTHERN ELECTRIC SERVICE Electrical/Frederick County 63 permits/to Apr 2026
• BRICK STREET CONSTRUCTION, LLC HVAC/Frederick County, Howard County 62 permits/to Sep 2026
• R&F METALS INC Deck & Patio/Baltimore County, Frederick County 62 permits/to Feb 2026
• Eagle Plumbing Plumbing/Frederick County 60 permits/to Sep 2026
• ED HVAC Services Electrical/Frederick County, Howard County 60 permits/to Aug 2026
• Frederick Seibert and Associates Structural/Frederick County 60 permits/to Jul 2026
• PROBUILT DECK & FENCE LLC Deck & Patio/Frederick County, Howard County 60 permits/to Jul 2026
• ANYTIME ELECTRICAL SERVICES & CO Electrical/Anne Arundel County, Frederick County, Howard County 59 permits/to Jul 2026
• Bailey & Shipp Electric Accessory Structure/Anne Arundel County, Frederick County, Howard County 59 permits/to May 2026
• Current Power, Inc. Electrical/Frederick County 59 permits/to Aug 2026
• MTM PLUMBING WORKS LLC Plumbing/Frederick County, Howard County 59 permits/to Jul 2026
• INTEGRATED TECH/DAVID CLEMENTS Electrical/Frederick County 58 permits/to Jun 2026
• DAVCON ELECTRICAL SERVICES, LLC Electrical/Anne Arundel County, Frederick County, Howard County 57 permits/to Sep 2026
• JLC ELECTRICAL SERVICES Accessory Structure/Frederick County, Howard County 57 permits/to Aug 2026
• TRIPLE C ELECTRIC Accessory Structure/Frederick County, Howard County 57 permits/to Apr 2026
• B & R Design Group Site/Frederick County 56 permits/to Jul 2026
• DAVID P HESSLER Electrical/Frederick County 56 permits/to May 2026
• Shelton Plumbing and Heating, Inc Plumbing/Anne Arundel County, Frederick County, Howard County 56 permits/to Aug 2026
• DOUGLAS W GRAHAM Electrical/Frederick County 55 permits/to Apr 2025
• BILLY SWORD Site/Frederick County 54 permits/to Aug 2026
• BROWNS PLUMBING & HEATING, INC Plumbing/Frederick County 54 permits/to Jul 2026
• CASTRO PROPERTY MANAGEMENT INC Electrical/Anne Arundel County, Frederick County, Howard County 54 permits/to Apr 2026
• Nova Solar, Inc. Solar/Anne Arundel County, Frederick County, Howard County 54 permits/to Sep 2026
• FA OUTDOOR SPACES LLC Deck & Patio/Anne Arundel County, Baltimore County, Frederick County, Howard County 53 permits/to Aug 2026
• P&M PLUMBING Plumbing/Anne Arundel County, Frederick County, Howard County 53 permits/to Sep 2026
• Alpha Electric LLC Electrical/Frederick County, Howard County 51 permits/to Sep 2026
• AUGUSTINE PLUMBING LLC Plumbing/Frederick County 51 permits/to Aug 2025
• SNYDER ELECTRIC INC Electrical/Anne Arundel County, Frederick County, Howard County 51 permits/to Sep 2026
• W A TOLBARD REFR & A/C LLC Plumbing/Frederick County 51 permits/to Jul 2026
• ALLAN B KEYSER Electrical/Frederick County 50 permits/to Jan 2025
• CLASSIC REMODELING CORP INC Deck & Patio/Anne Arundel County, Frederick County, Howard County 50 permits/to Aug 2026
• DUSTIN P LAVELLE Structural/Frederick County 50 permits/to Aug 2026
• Venture Home Solar, LLC Solar/Frederick County, Howard County, Prince George's County 50 permits/to Sep 2026
• GARY S DECKER Electrical/Frederick County 49 permits/to Apr 2026
• HATZEL & BUEHLER Electrical/Frederick County, Howard County, Prince George's County 49 permits/to Aug 2026

Source: county permit records. Updated weekly.