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.

• LC HEATING & AIR CONDITIONING HVAC/Howard County 3 permits/to Aug 2025
• LEGACY POOL AND SPA LLC Pool & Spa/Baltimore County, Howard County 3 permits/to Sep 2024
• LEON RUSSELL & COMPANY LLC Plumbing/Frederick County, Howard County 3 permits/to Jun 2026
• LIGHTPOINT DESIGNS LLC Deck & Patio/Howard County 3 permits/to Nov 2024
• LIVEWIRE ELECTRIC INC Plumbing/Anne Arundel County, Howard County 3 permits/to Jul 2026
• LOWES PLUMBING INC Plumbing/Anne Arundel County, Howard County 3 permits/to May 2026
• LUEYS EXCAVATION AND PLUMBING LLC Plumbing/Howard County 3 permits/to Apr 2025
• MAIN STREET BUILDERS INC Fire Protection/Howard County 3 permits/to Apr 2026
• MAK'S ELECTRIC UNLIMITED LLC Electrical/Howard County 3 permits/to Aug 2024
• MANDERS COMPANIES INC Howard County 3 permits/to Nov 2025
• MARYLAND CONSTRUCTION GROUP LLC Deck & Patio/Howard County 3 permits/to Aug 2024
• MARYLAND SHEEP AND WOOL FESTIVAL Howard County 3 permits/to Mar 2026
• MARYLAND WORX LLC Plumbing/Howard County 3 permits/to Jan 2024
• MASON DIXON SERVICES Electrical/Frederick County, Howard County 3 permits/to Aug 2024
• MASTERCRAFT DESIGN & BUILD INC Deck & Patio/Anne Arundel County, Howard County 3 permits/to Jul 2026
• MASTERS ELECTRIC, INC. Electrical/Anne Arundel County, Howard County 3 permits/to Aug 2026
• MATTHEW NEEDHAM RESIDENTIAL Accessory Structure/Howard County 3 permits/to Jul 2024
• MAVERICK BUILDING COMPANY LLC Plumbing/Howard County 3 permits/to Feb 2026
• MBC GENERAL CONTRACTING LLC Deck & Patio/Howard County 3 permits/to Dec 2025
• MBS Mechanical HVAC/Anne Arundel County, Howard County 3 permits/to May 2026
• M & D ELECTRIC INC Electrical/Anne Arundel County, Howard County 3 permits/to Jun 2026
• MD, Home Owner Deck & Patio/Howard County 3 permits/to Apr 2026
• MDM CONTRACTING LLC Howard County 3 permits/to Jun 2026
• MD WATERPROOFING & RADON REDUCTION Interior/Howard County 3 permits/to Jun 2026
• MEADOWS FARMS Deck & Patio/Frederick County, Howard County 3 permits/to Aug 2024
• MECKLEY SERVICES , INC. Electrical/Howard County 3 permits/to Oct 2024
• MEDALLION SECURITY DOOR & WINDOW CO Deck & Patio/Howard County 3 permits/to Apr 2026
• MERLOS & SONS REMODELING LLC Deck & Patio/Howard County 3 permits/to Apr 2025
• METRO SERVICES HVAC HVAC/Howard County 3 permits/to Apr 2025
• MEYERS CONSTRUCTION COMPANY INC Interior/Howard County 3 permits/to Mar 2026
• MG LUXURY DECKS AND FENCE LLC Deck & Patio/Howard County 3 permits/to Mar 2025
• MGM ELECTRICAL SYSTEMS INC Electrical/Anne Arundel County, Howard County 3 permits/to Jul 2026
• M HELTON CONTRACTORS INC Deck & Patio/Howard County 3 permits/to Oct 2025
• MHIC Ind 08010079053 Pool & Spa/Howard County 3 permits/to Aug 2025
• MICHAEL BONSBY HVAC PLUMBING AND ELECTRICAL Plumbing/Howard County 3 permits/to May 2026
• MILLENIUM ELECTRICAL SERVICES LLC Accessory Structure/Howard County 3 permits/to Jun 2026
• MILTON W. MOST INC Fire Protection/Howard County 3 permits/to Jun 2026
• MISTER FIX LLC Plumbing/Howard County 3 permits/to Aug 2026
• M&J CONSTRUCTION AND CLEANING SERVI Deck & Patio/Howard County 3 permits/to Jan 2026
• MJ ELECTRIC Electrical/Howard County 3 permits/to Mar 2025
• MJ GENERAL SERVICES INC Electrical/Howard County 3 permits/to May 2025
• MMAY SERVICES LLC Sign/Howard County 3 permits/to Apr 2026
• M & M CONSTRUCTION & ELECTRICAL INC Electrical/Howard County 3 permits/to Aug 2025
• MOORE'S SYSTEMS MAINTENANCE LLC Plumbing/Howard County 3 permits/to Jul 2026
• MOSCOSO GENERAL CONSTRUCTION LLC Deck & Patio/Howard County 3 permits/to Apr 2026
• MSR HEATING AND COOLING LLC HVAC/Howard County 3 permits/to Dec 2025
• MY HEATING & COOLING LLC HVAC/Howard County 3 permits/to Dec 2025
• NCORE GROUP LLC Electrical/Howard County 3 permits/to Aug 2025
• NEVINS CONSTRUCTION Deck & Patio/Howard County 3 permits/to Apr 2025
• NEW CASTLE CONSTRUCTS LLC Deck & Patio/Howard County 3 permits/to Sep 2025

Source: county permit records. Updated weekly.