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

Blazeguard Partners, INC. Fire Protection/Anne Arundel County, Baltimore County 23 permits/to Aug 2026
DECK ARMOR LLC Deck & Patio/Anne Arundel County, Frederick County, Howard County 23 permits/to Sep 2026
EASTERN SALES & ENGINEERING Electrical/Anne Arundel County, Howard County 23 permits/to Aug 2026
EMC POWER SOLUTIONS INC HVAC/Anne Arundel County, Frederick County, Howard County 23 permits/to Sep 2026
F H FURR PLUMBING, HTG & A/C HVAC/Anne Arundel County 23 permits/to Aug 2026
K.HILL ELECTRIC LLC Electrical/Anne Arundel County, Frederick County, Howard County 23 permits/to Jun 2026
MAGNOLIA PLUMBING, INC. Plumbing/Anne Arundel County, Howard County 23 permits/to Jul 2026
MAP ELECTRIC Electrical/Anne Arundel County, Howard County 23 permits/to Aug 2026
RE ROBERTSON PLUMBING & HEATING Plumbing/Anne Arundel County, Howard County 23 permits/to Aug 2026
RUTHERFORD PLUMBING AND HEATING Plumbing/Anne Arundel County, Howard County 23 permits/to Aug 2026
RYAN ELECTRIC Electrical/Anne Arundel County, Frederick County, Howard County 23 permits/to Sep 2026
SHORELINE MARINE CONSTRUCTION Structural/Anne Arundel County 23 permits/to Aug 2026
STARCOM DESIGN BUILD INC Deck & Patio/Anne Arundel County, Howard County 23 permits/to Sep 2026
WIREWORX, INC. Electrical/Anne Arundel County 23 permits/to Aug 2026
A-C AIR CARE LLC HVAC/Anne Arundel County, Howard County 22 permits/to Aug 2026
AKMATTERO INC Plumbing/Anne Arundel County, Howard County 22 permits/to Aug 2026
BMA Landscaping LLC Pool & Spa/Anne Arundel County, Frederick County, Howard County 22 permits/to Jul 2026
LEO ELECTRIC LLC Electrical/Anne Arundel County, Frederick County, Howard County, Prince George's County 22 permits/to Sep 2026
MURRAYS PLUMBING & HEATING,LLC HVAC/Anne Arundel County 22 permits/to Sep 2026
NAUMANN PLUMBING Plumbing/Anne Arundel County, Frederick County, Howard County 22 permits/to Aug 2026
CRITICAL PEAKE SERVICES Electrical/Anne Arundel County, Frederick County, Howard County 21 permits/to Aug 2026
GARRETY GLASS INC Deck & Patio/Anne Arundel County, Frederick County, Howard County 21 permits/to Aug 2026
GLOBAL HVAC LLC HVAC/Anne Arundel County, Howard County 21 permits/to Jul 2026
GREER WATERWORKS, INC. Plumbing/Anne Arundel County 21 permits/to Sep 2026
J&J MECHANICAL LLC HVAC/Anne Arundel County, Howard County 21 permits/to Jul 2026
JPS ELECTRICAL SERVICES LLC Electrical/Anne Arundel County, Frederick County, Howard County 21 permits/to Aug 2026
KELLY PLUMBING SERVICES, INC. Plumbing/Anne Arundel County, Howard County 21 permits/to Aug 2026
SCRIBA ELECTRIC LLC Electrical/Anne Arundel County, Howard County 21 permits/to Aug 2026
SuperTech HVAC Services, Inc. HVAC/Anne Arundel County, Howard County 21 permits/to Aug 2026
THE BBC GROUP LLC Electrical/Anne Arundel County, Howard County 21 permits/to Aug 2026
VALDOVINOS CONSTRUCTION, LLC Deck & Patio/Anne Arundel County, Frederick County, Howard County 21 permits/to Aug 2026
ARCO MECHANICAL SERV. LLC Gas/Anne Arundel County 20 permits/to Sep 2026
A R CROWELL PLUMBING Plumbing/Anne Arundel County, Frederick County, Howard County 20 permits/to May 2026
ATLANTIC BLUE WATER SERVICES Plumbing/Anne Arundel County, Frederick County 20 permits/to Jul 2026
A & V SEPTIC SERVICES LLC Structural/Anne Arundel County 20 permits/to Aug 2026
Charm City Electric Electrical/Anne Arundel County, Frederick County, Howard County 20 permits/to Sep 2026
ENERGETIC ELECTRIC LLC Pool & Spa/Anne Arundel County, Howard County 20 permits/to Jul 2026
FOSTER ENTERPRISES INC Electrical/Anne Arundel County, Howard County 20 permits/to Sep 2026
INTERCONNECT SERVICES INC Electrical/Anne Arundel County, Frederick County, Howard County 20 permits/to Jul 2026
JD ELECTRIC LLC Electrical/Anne Arundel County, Howard County 20 permits/to Aug 2026
JUDD FIRE PROTECTION, INC. Fire Protection/Anne Arundel County, Baltimore County, Frederick County 20 permits/to Jun 2026
M&A HEATING AND COOLING HVAC/Anne Arundel County, Howard County 20 permits/to Aug 2026
S&B ELECTRIC LLC Solar/Anne Arundel County, Howard County 20 permits/to May 2026
ALWAYS WATERPROOFING Interior/Anne Arundel County, Frederick County, Howard County 19 permits/to Aug 2026
A.P. WOODSON/PETRO HOME SERVICES HVAC/Anne Arundel County 19 permits/to Sep 2026
BAY AREA MECHANICAL SVCS INC. HVAC/Anne Arundel County 19 permits/to Aug 2026
BAY STATE ELECTRIC INC Electrical/Anne Arundel County, Howard County 19 permits/to Aug 2026
C.A. KAMM CORP., INC Plumbing/Anne Arundel County 19 permits/to Aug 2026
CHESAPEAKE PLUMBING, INC. Plumbing/Anne Arundel County, Howard County 19 permits/to Sep 2026
D. B. ELECTRICAL SERVICES Pool & Spa/Anne Arundel County, Frederick County, Howard County 19 permits/to Sep 2026

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Source: county permit records. Updated weekly.