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.

• HVACR 05010094193 HVAC/Howard County 5 permits/to Apr 2026
• INNOVATIVE BUILDING SERVICES LLC Deck & Patio/Howard County 5 permits/to Apr 2025
• INNVATIVE BUILDING SERVICES Interior/Howard County 5 permits/to Aug 2026
• James R. Ballard Plumbing & Heating Inc. Plumbing/Frederick County, Howard County 5 permits/to Apr 2026
• JCJ ELECTRIC LLC Electrical/Howard County 5 permits/to Jul 2026
• JJBElectrical LLC Electrical/Frederick County, Howard County 5 permits/to Jun 2026
• J.M. LIPPA ELECTRICAL CONTRACTORS INC Electrical/Howard County 5 permits/to Nov 2025
• J R ELECTRIC, LLC Electrical/Anne Arundel County, Howard County 5 permits/to Aug 2026
• JT CUSTOM BUILDERS LLC Deck & Patio/Howard County 5 permits/to Jun 2026
• KCI CONSTRUCTION SERVICES LLC Electrical/Howard County 5 permits/to May 2026
• KEY SYSTEMS INC Electrical/Howard County 5 permits/to Jan 2026
• KT POWERS ELECTRIC, LLC Electrical/Howard County 5 permits/to Feb 2026
• KVA Electrical Contractors Inc. Electrical/Frederick County, Howard County 5 permits/to Jul 2025
• Lancaster pole buildings Accessory Structure/Baltimore County, Frederick County, Howard County 5 permits/to Jun 2025
• LEE MECHANICAL Plumbing/Anne Arundel County, Howard County 5 permits/to Jun 2026
• LIGHTING MAINTENANCE INCORPORATED Electrical/Anne Arundel County, Howard County 5 permits/to May 2026
• L.K. DEAL ELECTRICAL CONTRACTOR INC Electrical/Howard County 5 permits/to Nov 2025
• LLC ESPN ELECTRIC Electrical/Anne Arundel County, Howard County, Prince George's County 5 permits/to Aug 2026
• LOANE BROS INC Howard County 5 permits/to Aug 2026
• LYONS PLUMBING INCORPORATED Plumbing/Frederick County, Howard County 5 permits/to Jul 2025
• MADISON MECHANICAL CONTRACTING LLC Plumbing/Howard County 5 permits/to Mar 2026
• MARYLAND CUSTOM BUILDERS INC Structural/Howard County 5 permits/to Nov 2024
• MARYLAND ROOFING LLC DBA ROOFING Interior/Howard County 5 permits/to Sep 2025
• MARYLAND SIGNS AND GRAPHICS Sign/Howard County 5 permits/to Jul 2026
• Mateletric LLC Electrical/Anne Arundel County, Howard County 5 permits/to Apr 2026
• MEALEY SIGN SERVICE Sign/Howard County 5 permits/to Jun 2025
• MECHANICAL ENGINEERING AND CONSTRUCTION CORP. HVAC/Howard County 5 permits/to Apr 2026
• MERRELL BUILDING ENTERPRISES INC Plumbing/Howard County 5 permits/to Jul 2025
• MIZAN GENERAL CONSTRUCTION INC Interior/Howard County 5 permits/to Sep 2025
• M J H CONTRACTING & HOME SERVICES Deck & Patio/Howard County 5 permits/to Apr 2026
• MURRAY'S PLUMBING AND HEATING HVAC/Howard County 5 permits/to Oct 2025
• MURRAYS PLUMBING AND HEATING HVAC/Howard County 5 permits/to Jul 2024
• MYERS MECHANICAL HVAC/Anne Arundel County, Howard County 5 permits/to Aug 2026
• National Technology Integrators Electrical/Frederick County, Howard County 5 permits/to Aug 2026
• NEHEMIAH CONSTRUCTION LLC Deck & Patio/Howard County 5 permits/to Dec 2025
• NICE FLOW PLUMBING HEATING AND CONTRACTING LLC Plumbing/Howard County 5 permits/to May 2024
• NIKOLA ELECTRICAL SERVICE Solar/Frederick County, Howard County 5 permits/to Sep 2026
• NORTHEAST ENERGY SERVICE LLC HVAC/Howard County 5 permits/to Oct 2024
• NTC MAZZUCA CONTRACTING INC HVAC/Howard County 5 permits/to Mar 2026
• NV WATERPROOFING LLC Interior/Howard County 5 permits/to Apr 2026
• ONE ELECTRIC & CONSTRUCTION Plumbing/Howard County 5 permits/to Jul 2026
• ON THE MARK MANAGEMENT INC Fire Protection/Anne Arundel County, Howard County 5 permits/to Apr 2026
• PAPPAZ CONSTRUCTION INC Interior/Howard County 5 permits/to Mar 2026
• PARK HEIGHTS MANAGEMENT LLC Electrical/Howard County 5 permits/to Jul 2025
• Parsoneault Consulting LLC Interior/Frederick County, Howard County 5 permits/to Sep 2026
• PAT THE PLUMBER Plumbing/Howard County 5 permits/to Feb 2026
• PAUL GORMAN ARCHITECTS Fire Protection/Howard County 5 permits/to Sep 2026
• PEAK CARPENTRY LLC Deck & Patio/Howard County 5 permits/to Apr 2026
• Plumb/Gas 20020001557 Plumbing/Howard County 5 permits/to Jul 2026
• PRECISION ELECTRICAL SERVICES INC Electrical/Frederick County, Howard County 5 permits/to Jul 2026

Source: county permit records. Updated weekly.