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.

All counties Anne Arundel County Baltimore County Frederick County Howard County Prince George's County

All trades Accessory Structure Deck & Patio Electrical Exterior Fire Protection Gas Interior HVAC Plumbing Pool & Spa Sign Site Solar Structural

NORTH AMERICAN MILLWRIGHT SERVICES Electrical/Howard County 9 permits/to Jul 2026
NOTTINGHAM ELECTRICAL SERVICES INC Electrical/Howard County 9 permits/to Jun 2025
OAK CONTRACTING LLC HVAC/Howard County 9 permits/to Apr 2026
O'MEARA ELECTRIC LLC Electrical/Howard County 9 permits/to Jul 2026
Palmetto Solar Solar/Baltimore County, Howard County 9 permits/to Jul 2024
Party Palace LLC Deck & Patio/Howard County 9 permits/to Mar 2026
PERCIVAL MECHANICAL SERVICES INC Plumbing/Howard County 9 permits/to Mar 2026
PH PLUMBING LLC Plumbing/Howard County 9 permits/to Dec 2025
POWER PROS LLC DBA GT DAWSON ELECTRIC Electrical/Anne Arundel County, Howard County 9 permits/to Aug 2026
Presidential Exteriors Deck & Patio/Frederick County, Howard County 9 permits/to Aug 2026
PRESS MECHANICAL CONTRACTORS INC HVAC/Anne Arundel County, Frederick County, Howard County 9 permits/to Aug 2026
Purple Clay Plumbing, LLC Plumbing/Anne Arundel County, Howard County 9 permits/to Sep 2026
R.E. NEWCOMB ELECTRIC INC Electrical/Howard County 9 permits/to Jul 2026
RIDGE ELECTRIC INC Electrical/Anne Arundel County, Howard County 9 permits/to Aug 2026
SAVE THE DAY DRAIN CLEANING LLC Plumbing/Howard County 9 permits/to Sep 2026
SEADMOK WATER CONSTRUCTION LLC Plumbing/Howard County 9 permits/to Feb 2026
SITES ELECTRIC Electrical/Howard County 9 permits/to Aug 2026
SKYLINE HEATING AND AIR HVAC/Howard County 9 permits/to Aug 2026
SOUTHERN STATES PETROLEUM Plumbing/Howard County 9 permits/to Sep 2026
STAND OUT SERVICES LLC Deck & Patio/Frederick County, Howard County 9 permits/to Aug 2026
SUMMIT VT SOLUTIONS Electrical/Frederick County, Howard County 9 permits/to Apr 2026
Sunshift LLC Solar/Frederick County, Howard County 9 permits/to Sep 2025
SUPREME SERVICE TODAY HVAC/Howard County 9 permits/to May 2024
THE SEVERN GROUP, INC. HVAC/Anne Arundel County, Howard County 9 permits/to Jul 2026
Trinity Homes Mary Land, LLC Deck & Patio/Frederick County, Howard County 9 permits/to Mar 2026
VALLEY ROAD ENTERPRISES LLC Site/Howard County 9 permits/to Aug 2026
VARCOMAC LLC Electrical/Anne Arundel County, Frederick County, Howard County 9 permits/to Aug 2026
VOGEL ENGINEERING + TIMMONS GROUP Exterior/Howard County 9 permits/to Nov 2025
WILTSHIRE ELECTRIC Electrical/Frederick County, Howard County 9 permits/to Aug 2026
WireFox Electric Electrical/Howard County 9 permits/to Apr 2026
WM. ESWORTHY & SON Plumbing/Howard County 9 permits/to Apr 2026
XIN GUAN SIGNS Sign/Howard County 9 permits/to Jul 2026
15430-D OLD COLUMBIA PIKE Deck & Patio/Howard County 8 permits/to Dec 2025
ABSOLUTE SYSTEMS ENGINEERING Electrical/Anne Arundel County, Howard County 8 permits/to May 2026
ADUU SOLAR ENGINEERING , LLC Solar/Howard County 8 permits/to Feb 2026
ADVANCED GREEN HOME SOLUTIONS HVAC/Anne Arundel County, Howard County 8 permits/to Jul 2026
AES BUILDER & HOME IMPROVEMENT INC Plumbing/Anne Arundel County, Howard County 8 permits/to Aug 2026
BAUER MECHANICAL LLC Plumbing/Anne Arundel County, Howard County 8 permits/to May 2026
BAUMAN PLUMBING LLC Plumbing/Howard County 8 permits/to Nov 2025
B & C ELECTRICAL CONTR. Electrical/Howard County 8 permits/to Apr 2025
BEIJING CONSTRUCTION INC Deck & Patio/Howard County 8 permits/to May 2025
BERNELLA'S PLUMBING, LLC Plumbing/Anne Arundel County, Howard County 8 permits/to Jul 2026
BOSLEY CONSTRUCTION INC Site/Howard County 8 permits/to May 2026
BOWIE DESIGN AND HOME IMPROVEMENT Plumbing/Howard County 8 permits/to Jul 2026
B-SAFE INC Electrical/Howard County 8 permits/to Jun 2026
BURI ELECTRIC LLC Accessory Structure/Frederick County, Howard County 8 permits/to Dec 2024
BYRNES ELECTRIC INC Electrical/Anne Arundel County, Howard County 8 permits/to Aug 2026
CAPITOL CABLE COMM Electrical/Howard County 8 permits/to Apr 2026
CARUSO HOMES ON YOUR LOT MD 1, LLC Site/Howard County 8 permits/to Aug 2026
CCS INC Accessory Structure/Frederick County, Howard County 8 permits/to Jan 2026

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Source: county permit records. Updated weekly.