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

CRANDELL ELECTRICAL SERVICES LLC. Electrical/Anne Arundel County, Howard County 14 permits/to Aug 2026
DATA STREAM WIRING, LLC Electrical/Anne Arundel County 14 permits/to Jul 2026
DELUCA ELECTRIC Electrical/Anne Arundel County, Howard County 14 permits/to May 2026
D & I MECHANICAL CONTRACTORS HVAC/Anne Arundel County 14 permits/to Jul 2026
EDGE ENERGY DBA EQUITY DEV. HVAC/Anne Arundel County 14 permits/to Aug 2026
EDMUNDS ELECTRICAL SERVICES Electrical/Anne Arundel County 14 permits/to Aug 2026
HOME IMPROVEMENT CONTRACTOR Deck & Patio/Anne Arundel County 14 permits/to Aug 2026
INFINITI TECHNOLOGIES Electrical/Anne Arundel County, Howard County 14 permits/to Sep 2026
JDL HVAC SERVICES LLC HVAC/Anne Arundel County, Howard County 14 permits/to Jul 2026
Jireh Electric Inc Deck & Patio/Anne Arundel County, Frederick County, Howard County 14 permits/to Aug 2026
LINTHICUM PLBG & DRAIN CLEAN. Plumbing/Anne Arundel County 14 permits/to Sep 2026
Long Creek Construction Deck & Patio/Anne Arundel County, Baltimore County, Frederick County, Howard County 14 permits/to Aug 2026
MAYNE MECHANICAL LLC HVAC/Anne Arundel County, Howard County 14 permits/to Jun 2026
MIDPOINT TECHNOLOGY GROUP LLC Electrical/Anne Arundel County, Frederick County, Howard County 14 permits/to Jul 2026
NICKS PLUMBING Plumbing/Anne Arundel County, Howard County 14 permits/to Apr 2026
OASIS LANDSCAPE GROUP LLC Pool & Spa/Anne Arundel County, Frederick County, Howard County 14 permits/to Jul 2026
ONE HOUR A/C & HEATING HVAC/Anne Arundel County, Howard County 14 permits/to Aug 2026
PAUL VINCENT WOODS HVAC/Anne Arundel County 14 permits/to Aug 2026
POTTER-TACKETT INC Plumbing/Anne Arundel County, Howard County 14 permits/to Sep 2026
SANSBURY ELECTRIC Electrical/Anne Arundel County, Frederick County, Howard County 14 permits/to Jun 2026
SMART ROOF ENERGY DBA 4I ENERGY PARTNERS Solar/Anne Arundel County, Frederick County, Howard County 14 permits/to Sep 2026
SUPERIOR MECHANICAL SERVICES Plumbing/Anne Arundel County, Frederick County, Howard County 14 permits/to Aug 2026
THE J F JOHNSON LUMBER COMPANY LLC Deck & Patio/Anne Arundel County, Howard County 14 permits/to Sep 2026
TRUE POWER SOLUTIONS LLC Electrical/Anne Arundel County, Howard County 14 permits/to Jun 2026
VISION TECHNOLOGIES LLC Electrical/Anne Arundel County, Howard County 14 permits/to Jun 2026
ARIOSA & COMPANY, LLC. Plumbing/Anne Arundel County, Baltimore County, Frederick County, Howard County 13 permits/to Sep 2026
BALTIMORE SIGNS AND GRAPHICS Sign/Anne Arundel County, Frederick County, Howard County 13 permits/to May 2026
BAY AREA ELECTRIC INC. Electrical/Anne Arundel County 13 permits/to Aug 2026
BOAT LIFTS UNLIMITED Anne Arundel County 13 permits/to Aug 2026
CALVERT PLUMBING & HEATING Electrical/Anne Arundel County, Howard County 13 permits/to Sep 2026
Darcon LLC Plumbing/Anne Arundel County, Frederick County, Howard County 13 permits/to Aug 2026
DATALINK INTERACTIVE INC Electrical/Anne Arundel 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
EVRON LLC- Fire Protection/Anne Arundel County 13 permits/to Jul 2026
EYLER SERVICE & CONTRACTING Electrical/Anne Arundel County, Howard County 13 permits/to Apr 2026
FLOWRITE PLUMBING & HEATING Plumbing/Anne Arundel County 13 permits/to Aug 2026
FUSTING ELECTRIC LLC Electrical/Anne Arundel County, Howard County 13 permits/to Aug 2026
HAMMERHEAD CONTRACTING CORPORATION Plumbing/Anne Arundel County, Howard County 13 permits/to Jul 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
J & B PLUMBING & HEATING, INC. Plumbing/Anne Arundel County 13 permits/to Jul 2026
JDT Electric, Inc. Electrical/Anne Arundel County, Frederick County, Howard County 13 permits/to Aug 2026
J.M. MULLEN ELECTRICAL SVCS Electrical/Anne Arundel County 13 permits/to Sep 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
PARK PLUMBING, LLC Plumbing/Anne Arundel County 13 permits/to Aug 2026

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Source: county permit records. Updated weekly.