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

PATRIOT POOLS LLC Pool & Spa/Anne Arundel County, Howard County 13 permits/to Aug 2026
PREMIUM ELECTRIC LLC Electrical/Anne Arundel County, Frederick County, Howard County 13 permits/to Aug 2026
RADKO MECHANICAL LLC Plumbing/Anne Arundel County 13 permits/to Sep 2026
RED DOG PLUMBING LLC Plumbing/Anne Arundel County 13 permits/to Aug 2026
ROLAND H. WOELPER, INC. Plumbing/Anne Arundel County 13 permits/to Jul 2026
SCARDINA PLUMBING AND HEATING INC HVAC/Anne Arundel County, Howard County 13 permits/to Aug 2026
SEVERN PLUMBING & HEATING Gas/Anne Arundel County, Howard County 13 permits/to Aug 2026
Solar Installers Near Me LLC Solar/Anne Arundel County, Frederick County, Howard County 13 permits/to Jul 2026
STORM UTILITIES, LLC Anne Arundel County 13 permits/to Aug 2026
VENTURE SOLAR/VENTURE HOME SOLAR LLC Solar/Anne Arundel County 13 permits/to Aug 2026
WM PLUMBING LLC Plumbing/Anne Arundel County, Frederick County, Howard County 13 permits/to Mar 2026
ACE ELECTRIC SERVICE LLC Electrical/Anne Arundel County 12 permits/to Aug 2026
ADVANCED FIRE PROTECTION Fire Protection/Anne Arundel County 12 permits/to Sep 2026
AIR SOURCE INC. HVAC/Anne Arundel County, Howard County 12 permits/to Aug 2026
B & D Plumbing, Inc. Plumbing/Anne Arundel County, Frederick County, Howard County 12 permits/to Aug 2026
BLANKENSHIP ELECTRIC INC Electrical/Anne Arundel County, Howard County 12 permits/to Sep 2026
CLARKE ELECTRIC, LLC Electrical/Anne Arundel County, Howard County 12 permits/to Aug 2026
DELL ELECTRIC LLC Electrical/Anne Arundel County, Howard County 12 permits/to Jul 2026
EGER PLUMBING Plumbing/Anne Arundel County, Howard County 12 permits/to Aug 2026
ENGICO SOLUTIONS INC Electrical/Anne Arundel County, Frederick County, Howard County, Prince George's County 12 permits/to Aug 2026
GABLE SIGNS & GRAPHICS Sign/Anne Arundel County, Frederick County, Howard County 12 permits/to Sep 2026
Jacobs Contracting, LLC. Electrical/Anne Arundel County, Frederick County, Howard County 12 permits/to Aug 2026
K & H ELECTRIC INC Electrical/Anne Arundel County, Howard County 12 permits/to Aug 2026
KING ELECTRIC, INC. Solar/Anne Arundel County, Prince George's County 12 permits/to Aug 2026
KNOTT MECHANICAL INC HVAC/Anne Arundel County, Howard County 12 permits/to Aug 2026
MID-ATLANTIC WATER SERVICES Plumbing/Anne Arundel County 12 permits/to Aug 2026
Nisell Plumbing & Heating Inc Plumbing/Anne Arundel County, Howard County 12 permits/to Aug 2026
PEARSON ELECTRIC Electrical/Anne Arundel County, Howard County 12 permits/to Jun 2026
PERFECT PLUMBING Plumbing/Anne Arundel County, Frederick County, Howard County 12 permits/to Sep 2026
PREMIER ELECTRICAL SVCS LLC Electrical/Anne Arundel County 12 permits/to Sep 2026
PRIME FIRE PROTECTION LLC Fire Protection/Anne Arundel County, Frederick County, Howard County 12 permits/to Aug 2026
RDJ Electrical Services Inc Electrical/Anne Arundel County, Frederick County, Prince George's County 12 permits/to Sep 2026
SAMSUNG SIGN INC Sign/Anne Arundel County, Howard County 12 permits/to Sep 2026
SCARDINA PLUMBING & HEATING Plumbing/Anne Arundel County 12 permits/to Sep 2026
SHAWN'S ELECTRIC LLC Electrical/Anne Arundel County, Howard County 12 permits/to Sep 2026
SILVERADO AIR SYSTEMS, LLC HVAC/Anne Arundel County, Howard County 12 permits/to Sep 2026
SKIPJACK ELECTRICAL SERVICES Electrical/Anne Arundel County 12 permits/to Jul 2026
STEPHEN J TANT PLUMBING LLC Plumbing/Anne Arundel County, Howard County 12 permits/to Jun 2026
Summit Fire & Security Fire Protection/Anne Arundel County, Frederick County, Howard County 12 permits/to Aug 2026
THE PLUMBER, LLC Plumbing/Anne Arundel County, Frederick County, Howard County 12 permits/to Aug 2026
THOMASVILLE RESTORATION LLC Interior/Anne Arundel County, Frederick County, Howard County 12 permits/to Aug 2026
TRW PLUMBING SERVICE LLC Plumbing/Anne Arundel County, Howard County 12 permits/to Sep 2026
UP AND OUT LIFT SERVICES, INC Deck & Patio/Anne Arundel County 12 permits/to Sep 2026
Absolute SIgn Solutions LLC Deck & Patio/Anne Arundel County, Howard County 11 permits/to Aug 2026
ADCOCK SYSTEMS LLC Fire Protection/Anne Arundel County 11 permits/to Jun 2026
AL GLEESON ELECTRICAL CO. INC. Electrical/Anne Arundel County, Howard County 11 permits/to Sep 2026
ARTISAN ELECTRICAL Electrical/Anne Arundel County, Howard County 11 permits/to Aug 2026
BELTWAY AIR CONDITIONING, HEATING & PLUMBING Plumbing/Anne Arundel County 11 permits/to Sep 2026
BEYOND COOLING LLC HVAC/Anne Arundel County, Howard County 11 permits/to Aug 2026
BRADY PLUMBING LLC Plumbing/Anne Arundel County 11 permits/to Jul 2026

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Source: county permit records. Updated weekly.