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.

• C. J. MILLER, LLC Plumbing/Howard County 8 permits/to Jul 2026
• CK COMMERCIAL PARTNERS LLC Howard County 8 permits/to Jan 2026
• CLAYTON SIGNS INC Sign/Baltimore County, Howard County 8 permits/to Jan 2026
• CLIMATE MANAGERS LLC HVAC/Anne Arundel County, Howard County 8 permits/to Aug 2026
• COASTAL DECK & FENCE LLC Deck & Patio/Anne Arundel County, Howard County 8 permits/to Aug 2026
• COLESVILLE ELECTRIC Electrical/Howard County 8 permits/to Jun 2026
• CONFERS PLUMBING LLC Plumbing/Howard County 8 permits/to Jun 2026
• CONSTANTINE COMMERCIAL Fire Protection/Howard County 8 permits/to Mar 2025
• COOL BREEZE HEATING-AIR CONDITIONING-REFRIGERATION HVAC/Howard County 8 permits/to Aug 2026
• COPPERFIELD ELECTRIC LLC Pool & Spa/Frederick County, Howard County 8 permits/to Aug 2026
• CREATIVE EDGE DESIGN & GRAPHICS Sign/Howard County 8 permits/to Feb 2025
• CROUSE PLUMBING/HEATING HVAC/Howard County 8 permits/to Aug 2024
• Custom Mechanical Services Inc. Plumbing/Frederick County, Howard County 8 permits/to Aug 2026
• CUSTOM PLUMBING & HEATING Plumbing/Howard County 8 permits/to Sep 2026
• DAVE BAGROSKY ELECTRIC LLC Accessory Structure/Howard County 8 permits/to Apr 2026
• EASI SERVICES INC Electrical/Anne Arundel County, Howard County 8 permits/to Sep 2026
• EASTERN HOUSING INC Deck & Patio/Anne Arundel County, Howard County 8 permits/to Aug 2026
• EBENEZER PLUMBING & DRAIN LLC Plumbing/Howard County 8 permits/to Apr 2026
• EMPIRE GRAPHICS SIGNS & LIGHTING LLC Sign/Howard County 8 permits/to May 2024
• EXTERIOR EXPERTS INC Deck & Patio/Anne Arundel County, Howard County 8 permits/to Aug 2026
• FALCON HEATING, COOLING & PLUMBING HVAC/Howard County 8 permits/to May 2024
• FAST SIGNS Sign/Howard County 8 permits/to Jan 2026
• FEAGA PLUMBING SERVICES LLC Plumbing/Howard County 8 permits/to Jun 2024
• FREEDOM FENCE & DECK ACQUISITION Deck & Patio/Anne Arundel County, Howard County 8 permits/to Aug 2026
• FRONTIER DECK BUILDERS INC Deck & Patio/Howard County 8 permits/to Jul 2026
• GAWTHROP CONTRACTING LLC Deck & Patio/Howard County 8 permits/to Mar 2026
• GEIGAN ELECTRIC Electrical/Howard County 8 permits/to Jul 2026
• GELBERG SIGNS Sign/Anne Arundel County, Howard County 8 permits/to Jul 2026
• GLEN ARM BUILDING COMPANY Site/Anne Arundel County, Howard County 8 permits/to Jun 2026
• GOFF ELECTRICAL SYSTEMS LLC Electrical/Anne Arundel County, Howard County, Prince George's County 8 permits/to Aug 2026
• GOLDS CUSTOM HOMES & REMODELING Plumbing/Howard County 8 permits/to Jun 2025
• Graphcom Inc. Sign/Frederick County, Howard County 8 permits/to Jul 2026
• GREENS ELECTRIC & PLUMBING INC. Electrical/Howard County 8 permits/to Aug 2026
• G & S ELECTRIC Electrical/Anne Arundel County, Frederick County, Howard County 8 permits/to Jul 2026
• HARRIS MID-ATLANTIC, LLC Plumbing/Anne Arundel County, Howard County 8 permits/to Aug 2026
• HC Elec State ES 09045 Accessory Structure/Howard County 8 permits/to Oct 2025
• HIGGINS HEATING AND AIR HVAC/Howard County 8 permits/to Aug 2026
• J C EADES LLC Deck & Patio/Howard County 8 permits/to Dec 2025
• JC Power Electric Electrical/Anne Arundel County, Howard County, Prince George's County 8 permits/to Aug 2026
• JFC INC Site/Howard County 8 permits/to Mar 2026
• JPG PLUMBING & MECHANICAL INC Plumbing/Howard County 8 permits/to Oct 2024
• K ELECTRIC COMPANY INC Pool & Spa/Howard County 8 permits/to Jul 2026
• KV Electric Electrical/Frederick County, Howard County 8 permits/to Mar 2026
• LIBERTY PURE SOLUTIONS, INC. Plumbing/Anne Arundel County, Howard County 8 permits/to Jun 2026
• LISTON ELECTRIC, INC HVAC/Frederick County, Howard County 8 permits/to Jun 2025
• Lloyd Plumbing Plumbing/Frederick County, Howard County 8 permits/to Jun 2026
• MARYLAND CLOVER PLUMBING AND GAS Plumbing/Frederick County, Howard County 8 permits/to Jul 2025
• Mattingly Electric Deck & Patio/Howard County 8 permits/to Apr 2026
• MECHANICAL ENGINEERING & CONSTRUCTION CORPORATION Plumbing/Howard County 8 permits/to Sep 2024
• MID-ATLANTIC CONTRACTING INC Electrical/Howard County 8 permits/to May 2026

Source: county permit records. Updated weekly.