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

STRAT SECURITY SYSTEMS Electrical/Anne Arundel County, Howard County 51 permits/to Aug 2026
ABDULS PLUMBING SERVICE, LLC Plumbing/Anne Arundel County, Howard County 50 permits/to Jul 2026
ALL ABOUT SEPTICS LLC Accessory Structure/Anne Arundel County 50 permits/to Aug 2026
CLASSIC REMODELING CORP INC Deck & Patio/Anne Arundel County, Frederick County, Howard County 50 permits/to Aug 2026
MCGUIRE PLUMBING & HEATING, INC. Plumbing/Anne Arundel County, Howard County 50 permits/to Sep 2026
MID-ATLANTIC BATH SOLUTIONS Plumbing/Anne Arundel County, Howard County 50 permits/to Sep 2026
NEFF ELECTRICAL SERVICES INC Electrical/Anne Arundel County, Howard County 50 permits/to Aug 2026
HVAC DIRECT LLC HVAC/Anne Arundel County, Howard County 49 permits/to Aug 2026
J&M SERVICES Sign/Anne Arundel County, Howard County 49 permits/to May 2026
MICHAEL & SON SERVICES INC HVAC/Anne Arundel County, Howard County 49 permits/to Aug 2026
TECHMARK CORPORATION Electrical/Anne Arundel County, Howard County 49 permits/to Sep 2026
ALL IN ELECTRIC INC Electrical/Anne Arundel County, Frederick County, Howard County 48 permits/to Sep 2026
JBA'S PLUMBING Plumbing/Anne Arundel County, Frederick County, Howard County 48 permits/to Aug 2026
COLONIAL ELECTRIC CO INC Electrical/Anne Arundel County, Howard County 47 permits/to Aug 2026
JCM Electrical Inc HVAC/Anne Arundel County, Frederick County, Howard County 46 permits/to Aug 2026
LGCY INSTALLATION SERVICES LLC Solar/Anne Arundel County, Howard County 46 permits/to Sep 2026
MICHAEL AND SON SERVICE HVAC/Anne Arundel County 46 permits/to Sep 2026
VG ELECTRIC LLC Electrical/Anne Arundel County, Frederick County, Howard County 46 permits/to Aug 2026
AMERICAN HOME CONTRACTORS Solar/Anne Arundel County, Frederick County, Howard County 45 permits/to Aug 2026
ARUNDEL COOLING & HEATING CO INC HVAC/Anne Arundel County, Howard County 45 permits/to Aug 2026
BATHGATE ELECTRIC Pool & Spa/Anne Arundel County, Frederick County, Howard County 45 permits/to Jul 2026
GRAMOPHONE LTD Electrical/Anne Arundel County, Howard County 45 permits/to Aug 2026
HAGUE QUALITY WATER OF MD Plumbing/Anne Arundel County 45 permits/to Sep 2026
CECCIO ELECTRIC LLC Electrical/Anne Arundel County, Howard County 44 permits/to Aug 2026
SMITH MECHANICAL, INC. Plumbing/Anne Arundel County, Howard County 44 permits/to Sep 2026
SYSTCOM INC Electrical/Anne Arundel County, Howard County, Prince George's County 43 permits/to Aug 2026
ANCHOR MECHANICAL LLC HVAC/Anne Arundel County, Frederick County, Howard County 42 permits/to Sep 2026
GARCIA'S MECHANICAL LLC Plumbing/Anne Arundel County, Frederick County, Howard County 42 permits/to Jul 2026
JP ELECTRIC LLC Electrical/Anne Arundel County, Frederick County, Howard County 42 permits/to Aug 2026
PUMPHREY PLUMBING LLC Plumbing/Anne Arundel County, Howard County 42 permits/to Jul 2026
SOUTHERN DRYWELL, INC. Structural/Anne Arundel County 42 permits/to Aug 2026
Absolute Fire Protection Fire Protection/Anne Arundel County, Baltimore County 41 permits/to Sep 2026
PLUMB CHEAP INC Plumbing/Anne Arundel County, Howard County 41 permits/to Aug 2026
QSP Plumbing Services, Inc. Plumbing/Anne Arundel County, Frederick County, Howard County 41 permits/to Apr 2026
SCANLON ELECTRIC LLC Accessory Structure/Anne Arundel County, Howard County 41 permits/to Aug 2026
AROUND THE CLOCK PLUMBING Plumbing/Anne Arundel County, Howard County 40 permits/to Aug 2026
ARTISAN INVESTMENTS LLC Accessory Structure/Anne Arundel County, Frederick County, Howard County 40 permits/to Jul 2026
C T Smith Electrical Services LLC Electrical/Anne Arundel County, Frederick County, Howard County 40 permits/to Sep 2026
OWINGS MECHANICAL Electrical/Anne Arundel County, Howard County 40 permits/to Jul 2026
UTILITIES UNLIMITED INC Plumbing/Anne Arundel County, Howard County 40 permits/to Jul 2026
ANNAPOLIS PLUMBING, INC. Plumbing/Anne Arundel County 39 permits/to Sep 2026
CONNOLLY SIGN COMPANY Electrical/Anne Arundel County, Howard County 39 permits/to Sep 2026
KH BEST CONSTRUCTION INC Plumbing/Anne Arundel County, Frederick County, Howard County 39 permits/to May 2026
SKIRATKO ELECTRIC INC Electrical/Anne Arundel County, Frederick County, Howard County 39 permits/to Aug 2026
WADI ELECTRIC Electrical/Anne Arundel County, Howard County 39 permits/to Sep 2026
WITKOWSKI MECHANICAL HVAC/Anne Arundel County, Howard County 39 permits/to Sep 2026
HANSY ENGINEERING INC. Plumbing/Anne Arundel County, Howard County 38 permits/to Aug 2026
JDS HOME IMPROVEMENT LLC Interior/Anne Arundel County, Baltimore County, Frederick County, Howard County 38 permits/to Sep 2026
STILWELL MECHANICAL LLC Electrical/Anne Arundel County, Howard County, Prince George's County 38 permits/to Sep 2026
A & J ELECTRIC CO INC Electrical/Anne Arundel County, Howard County 37 permits/to Sep 2026

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Source: county permit records. Updated weekly.