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

DEMBINSKY INC Deck & Patio/Frederick County, Howard County 13 permits/to Aug 2026
DORITE CONSTRUCTION CORP. INC. Pool & Spa/Anne Arundel County, Frederick County, Howard County 13 permits/to Jun 2026
E. P. ELECTRIC LLC Electrical/Anne Arundel County, Howard County 13 permits/to Jun 2026
ETC ELECTRIC LLC Pool & Spa/Anne Arundel County, Howard County 13 permits/to Sep 2026
EYLER SERVICE & CONTRACTING Electrical/Anne Arundel County, Howard County 13 permits/to Apr 2026
FUSTING ELECTRIC LLC Electrical/Anne Arundel County, Howard County 13 permits/to Aug 2026
Gilde Electric Electrical/Howard County 13 permits/to Jul 2026
GREENFOX SERVICES, INC. HVAC/Howard County 13 permits/to Jul 2026
HAMMERHEAD CONTRACTING CORPORATION Plumbing/Anne Arundel County, Howard County 13 permits/to Jul 2026
HAYES CONSTRUCTION COMPANY Plumbing/Howard County 13 permits/to May 2026
HNH CARPENTRY Deck & Patio/Anne Arundel County, Howard County 13 permits/to Sep 2026
HVAC ENTERPRISES, INC. HVAC/Anne Arundel County, Howard County 13 permits/to Sep 2026
JDT Electric, Inc. Electrical/Anne Arundel County, Frederick County, Howard County 13 permits/to Aug 2026
LIVINGSTON FIRE PROTECTION Fire Protection/Anne Arundel County, Howard County 13 permits/to Sep 2026
MAKK ELECTRICAL WORKS Electrical/Anne Arundel County, Frederick County, Howard County 13 permits/to Jul 2026
MARYLAND DECK BUILDERS LLC Deck & Patio/Anne Arundel County, Frederick County, Howard County 13 permits/to Jul 2026
MBA SOLUTIONS LLC HVAC/Anne Arundel County, Howard County 13 permits/to Aug 2026
MILLER AND SMITH HOMES, INC. Structural/Howard County 13 permits/to Apr 2024
NORTHEAST ENERGY SERVICES, LLC HVAC/Howard County 13 permits/to Aug 2026
PATRIOT POOLS LLC Pool & Spa/Anne Arundel County, Howard County 13 permits/to Aug 2026
PHOENIX ELECTRICAL TECHNOLOGIES, INC. Electrical/Frederick County, Howard County 13 permits/to Apr 2026
PIPE DOWN PLUMBING SERVICE, LLC Plumbing/Howard County 13 permits/to Sep 2026
PREMIUM ELECTRIC LLC Electrical/Anne Arundel County, Frederick County, Howard County 13 permits/to Aug 2026
ProStream Plumbing Plumbing/Howard County 13 permits/to Sep 2026
QUINN BUILDING LLC Deck & Patio/Howard County 13 permits/to Jul 2026
SCARDINA PLUMBING AND HEATING INC HVAC/Anne Arundel County, Howard County 13 permits/to Aug 2026
Serenity Plumbing Plumbing/Frederick County, Howard County 13 permits/to Aug 2026
SEVERN PLUMBING & HEATING Gas/Anne Arundel County, Howard County 13 permits/to Aug 2026
sicem electrical engineering services Llc Electrical/Frederick County, Howard County 13 permits/to May 2026
SIGNATURE ELEVATORS & ACCESSIBLE Interior/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
SUNTUITY SOLAR LLC Solar/Baltimore County, Frederick County, Howard County 13 permits/to Oct 2023
The Homeowners Helper llc Plumbing/Frederick County, Howard County 13 permits/to Dec 2025
T.L. BROWN GENERAL CONTRACTOR LLC Plumbing/Howard County 13 permits/to Aug 2024
W F WILSON & SONS INC Site/Baltimore County, Howard County 13 permits/to Aug 2026
WM PLUMBING LLC Plumbing/Anne Arundel County, Frederick County, Howard County 13 permits/to Mar 2026
ADT Solar Solar/Frederick County, Howard County 12 permits/to Feb 2024
AGS PLUMBING AND HEATING INC Plumbing/Howard County 12 permits/to Sep 2025
AIR SOURCE INC. HVAC/Anne Arundel County, Howard County 12 permits/to Aug 2026
APPLE PLUMBING & HEATING, INC. HVAC/Howard County 12 permits/to Sep 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
BOMARK ELECTRIC Electrical/Howard County 12 permits/to Jul 2026
CAI SHEN LLC Deck & Patio/Howard County 12 permits/to Aug 2026
CARL STRINE PLUMBING & HEATING Plumbing/Howard County 12 permits/to Jul 2026
Castle Renovations LLC Deck & Patio/Frederick County, Howard County 12 permits/to May 2026
CLARKE ELECTRIC, LLC Electrical/Anne Arundel County, Howard County 12 permits/to Aug 2026
COLUMBIA CHIMNEY SWEEPS INC Fire Protection/Howard County 12 permits/to Jul 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

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Source: county permit records. Updated weekly.