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

Absolute Electrical Contractors LLC Electrical/Frederick County, Howard County 6 permits/to Jan 2026
ACC TELECOM Electrical/Anne Arundel County, Howard County 6 permits/to Sep 2026
ADT LLC Electrical/Frederick County, Howard County 6 permits/to Aug 2025
ADVIN ELECTRIC, INC. Electrical/Howard County, Prince George's County 6 permits/to Sep 2026
Albrecht electrical Deck & Patio/Howard County 6 permits/to Jun 2026
ALL MASTERS INC Electrical/Anne Arundel County, Howard County 6 permits/to Aug 2026
AMBROSE & SONS CONSTRUCTION INC Fire Protection/Howard County 6 permits/to May 2026
A PHASE ELECTRIC LLC Electrical/Anne Arundel County, Howard County 6 permits/to Aug 2026
APPLIED BUILDERS, LLC Solar/Howard County 6 permits/to Oct 2025
ASPIRE ELECTRIC LLC Electrical/Anne Arundel County, Howard County 6 permits/to Aug 2026
BALDWIN MECHANICAL CONTRACTORS, INC Plumbing/Howard County 6 permits/to Sep 2025
BARCO ENTERPRISES INC Howard County 6 permits/to Aug 2026
B&B DESIGNED SYSTEMS INC Electrical/Frederick County, Howard County 6 permits/to Aug 2026
BEDROCK REMODELING INC Accessory Structure/Howard County 6 permits/to Jun 2026
BENT PALM CONSTRUCTION LLC Deck & Patio/Frederick County, Howard County 6 permits/to Dec 2025
BEST SIGN USA Sign/Howard County 6 permits/to Jul 2025
BIG GUY HOME IMPROVEMENT LLC Plumbing/Howard County 6 permits/to Aug 2026
BJB ELECTRICAL SERVICE LLC Electrical/Howard County 6 permits/to Aug 2026
BOGAN & ASSOCIATES LLC Electrical/Anne Arundel County, Howard County 6 permits/to Aug 2026
BOWEN ELECTRIC SERVICE INC Electrical/Anne Arundel County, Frederick County, Howard County 6 permits/to Sep 2026
BOWEN REMODELING & DESIGN Interior/Anne Arundel County, Howard County 6 permits/to Sep 2026
BRIDGEWORKS CONSTRUCTION HVAC/Howard County 6 permits/to Apr 2025
BROADDUS & BROADDUS CONTRACTING Deck & Patio/Baltimore County, Howard County 6 permits/to Jan 2026
BRS ALARM SERVICE Electrical/Howard County 6 permits/to Mar 2026
CAPTAIN POWER LLC Solar/Anne Arundel County, Howard County 6 permits/to May 2026
CARDINAL CONSTRUCTION INC Deck & Patio/Anne Arundel County, Baltimore County, Howard County 6 permits/to May 2026
CASEY FENCE AND DECK LLC Deck & Patio/Frederick County, Howard County 6 permits/to Oct 2024
CHESAPEAKE COMMERCIAL CONTRACTING CO Howard County 6 permits/to May 2026
CHEVY ELECTRIC, INC. Electrical/Anne Arundel County, Howard County 6 permits/to Jun 2026
CLM Home Improvements Deck & Patio/Anne Arundel County, Frederick County, Howard County 6 permits/to Aug 2026
Coastal Trim and Design Plumbing/Frederick County, Howard County 6 permits/to May 2025
COMPLETE DATACOM LLC Electrical/Anne Arundel County, Howard County 6 permits/to Apr 2026
COSSENTINO CONTRACTING CO Site/Anne Arundel County, Howard County 6 permits/to Sep 2026
CRAFT LIGHT ELECTRIC LLC Electrical/Howard County 6 permits/to Dec 2025
C & S MECHANICAL, LLC Plumbing/Howard County 6 permits/to Jul 2026
CUSTOM PLG & HTG CO Plumbing/Howard County 6 permits/to Jul 2024
C.V. SECURITY INC Electrical/Howard County 6 permits/to Apr 2025
Daley Construction HVAC/Howard County 6 permits/to Sep 2026
DANTECH INC Electrical/Howard County 6 permits/to Feb 2026
DAYTON ELECTRICAL CONTRACTING Electrical/Frederick County, Howard County 6 permits/to Apr 2026
DECA INC Electrical/Howard County 6 permits/to Oct 2025
Deck and Patio Maryland Deck & Patio/Frederick County, Howard County 6 permits/to Aug 2026
DEFINITIVE BUILDING INC Deck & Patio/Howard County 6 permits/to Jan 2026
DELORE ELECTRICAL SERVICE Electrical/Howard County 6 permits/to Apr 2025
DENGO ELECTRIC Electrical/Howard County 6 permits/to Sep 2025
DESIGN GROUP FACILITY SOLUTIONS, INC Structural/Howard County 6 permits/to Nov 2024
DGM INC Plumbing/Howard County 6 permits/to May 2026
DISTINCT LIVING SPACES Deck & Patio/Howard County 6 permits/to Oct 2025
DIXIE LAND ENERGY LLC Site/Anne Arundel County, Howard County 6 permits/to Mar 2026
DOMCO MECHANICAL INC HVAC/Anne Arundel County, Howard County 6 permits/to Aug 2026

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Source: county permit records. Updated weekly.