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.

• WINTHORPE DESIGN & BUILD INC Deck & Patio/Anne Arundel County, Howard County 6 permits/to Aug 2026
• WOLFE CONTRACTING HVAC/Howard County 6 permits/to Jun 2026
• WOODFIELD LANDSCAPING INC Pool & Spa/Anne Arundel County, Howard County 6 permits/to Aug 2026
• 10101-D BACON DR Sign/Howard County 5 permits/to Sep 2024
• 1ST LIGHT ENERGY INC Solar/Howard County 5 permits/to Jul 2025
• ABBEY FENCE & DECK COMPANY INC Deck & Patio/Anne Arundel County, Howard County 5 permits/to Jun 2026
• A CAPITAL ELECTRIC SERVICES LLC Electrical/Frederick County, Howard County 5 permits/to Apr 2026
• ACKER AND SONS INC Plumbing/Frederick County, Howard County 5 permits/to May 2026
• A CKM ENTERPRISE, LLC Plumbing/Anne Arundel County, Howard County 5 permits/to Jul 2026
• ADVANCED DRAIN CLEANING INC DBA H&K PLUMBING Plumbing/Howard County 5 permits/to May 2026
• AFTERNOON PLUMBING LLC Plumbing/Frederick County, Howard County 5 permits/to Nov 2025
• ALFA Group, LLC Electrical/Frederick County, Howard County 5 permits/to Jul 2026
• ALGER ELECTRIC INC Sign/Baltimore County, Frederick County, Howard County 5 permits/to Oct 2025
• ALLIANCE MATERIAL HANDLING INC Fire Protection/Anne Arundel County, Frederick County, Howard County 5 permits/to Jun 2026
• AMAZING HEATING & AIR CONDITIONING, INC. HVAC/Howard County 5 permits/to Jul 2026
• AMBROSE & SONS Fire Protection/Howard County 5 permits/to Mar 2025
• AMERICAN PIPE WORKS Plumbing/Anne Arundel County, Howard County 5 permits/to Aug 2026
• AMERICAN PROFESSIONAL CHIMNEY, MASONRY & HOME REPAIR Plumbing/Howard County 5 permits/to Jun 2026
• ANNANDALE HEATING & COOLING, LLC HVAC/Howard County, Prince George's County 5 permits/to Sep 2026
• APROCON LLC Deck & Patio/Howard County 5 permits/to Sep 2024
• ARC ELECTRICAL SERVICES HVAC/Anne Arundel County, Howard County 5 permits/to Jul 2026
• ARC HEATING & COOLING, LLC HVAC/Howard County 5 permits/to Sep 2024
• A.T. Electric LLC Solar/Anne Arundel County, Howard County, Prince George's County 5 permits/to Aug 2026
• ATLANTIC POOLS INC Pool & Spa/Howard County 5 permits/to Aug 2025
• AURORA ENERGY INC Solar/Baltimore County, Howard County 5 permits/to Jan 2026
• BALANCE REMODELING LLC Deck & Patio/Howard County 5 permits/to Jul 2025
• BEAR ELECTRIC LLC Electrical/Howard County 5 permits/to Jul 2026
• BEILESS SAWMILL LLC Site/Howard County 5 permits/to Sep 2023
• BELTWAY SIGN SERVICE INC Sign/Howard County 5 permits/to Aug 2025
• BELTWAY SIGN TEAM INC Sign/Howard County 5 permits/to May 2026
• BEN BAUMAN & SONS LLC HVAC/Howard County 5 permits/to Jul 2026
• BRANDENBURG ELECTRIC Electrical/Frederick County, Howard County 5 permits/to Mar 2026
• BRS ELECTRICAL CONTRACTOR INC Electrical/Howard County 5 permits/to Jun 2025
• BUILDING YOUR DREAM INC Deck & Patio/Baltimore County, Howard County 5 permits/to Dec 2025
• CANNON SOLAR LLC Solar/Frederick County, Howard County 5 permits/to Dec 2025
• C&C MECHANICAL INC Plumbing/Howard County 5 permits/to Jul 2026
• CERTIFIED COMFORT HVAC HVAC/Anne Arundel County, Howard County 5 permits/to Aug 2026
• CHESAPEAKE CONTRACTING GROUP HVAC/Howard County 5 permits/to Aug 2026
• CIRCUIT ELECTRIC INC Electrical/Anne Arundel County, Howard County 5 permits/to May 2026
• CITY GENERAL INC Electrical/Anne Arundel County, Howard County 5 permits/to Jul 2026
• CK COMMERCIAL Howard County 5 permits/to Mar 2026
• Classic Home Advisors Deck & Patio/Frederick County, Howard County 5 permits/to Jul 2026
• CLASSIC HOMES OF MARYLAND INC Site/Howard County 5 permits/to Jul 2026
• COLUMBIA HOME IMPROVEMENT LLC Deck & Patio/Howard County 5 permits/to Aug 2026
• COMMERCIAL CONSTRUCTION Plumbing/Howard County 5 permits/to Jun 2026
• COMPLETE BUILDING SYSTEMS Deck & Patio/Anne Arundel County, Howard County 5 permits/to May 2026
• COMPLETE HOME SOLUTIONS HVAC/Anne Arundel County, Howard County 5 permits/to Aug 2026
• COMPLETELY DUNN Sign/Howard County 5 permits/to Dec 2024
• COMPLETE POWER SOLUTIONS Electrical/Howard County 5 permits/to Dec 2025
• CONSOLIDATED CONST. SERVICES Plumbing/Howard County 5 permits/to Nov 2025

Source: county permit records. Updated weekly.