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

Redstone Electric, Inc. Electrical/Frederick County, Howard County 84 permits/to Jun 2026
ROMAN MECHANICAL INC Plumbing/Frederick County, Howard County 84 permits/to Aug 2026
T BRADLEY ROHRER Plumbing/Frederick County 84 permits/to Aug 2026
Weisman Electric Company Electrical/Anne Arundel County, Frederick County, Howard County, Prince George's County 84 permits/to Sep 2026
Home Express Delivery Service LLC Plumbing/Frederick County 82 permits/to Jan 2026
MERRITT CONSTRUCTION SERVICES LLC Fire Protection/Baltimore County, Howard County 82 permits/to Jul 2026
Rodgers RCI Survey Team Structural/Frederick County 82 permits/to Aug 2026
J&R Plumbing & Heating Pool & Spa/Frederick County, Howard County 81 permits/to Sep 2026
D M V ELECTRICAL PROFESSIONALS Electrical/Howard County 80 permits/to May 2026
Grossnickle Construction LLC Accessory Structure/Frederick County 80 permits/to Aug 2026
GLADHILL PLUMBING & HTG Plumbing/Frederick County 79 permits/to Sep 2026
MAGOTHY ELECTRIC CO INC Electrical/Anne Arundel County, Howard County 79 permits/to Sep 2026
MID ATLANTIC DECK & FENCE COMPANY Deck & Patio/Anne Arundel County, Howard County 79 permits/to Aug 2026
SOLAR SME INC Solar/Frederick County, Howard County 79 permits/to Dec 2025
AC&T Plumbing/Frederick County 78 permits/to Sep 2026
FREDERICK PLUMBING & HEATING Plumbing/Frederick County, Howard County 78 permits/to May 2026
JEM ELECTRIC CO INC Electrical/Anne Arundel County, Howard County 78 permits/to Sep 2026
KOLB ELECTRIC INC Electrical/Anne Arundel County, Frederick County, Howard County 78 permits/to Sep 2026
CASTAWAY PLUMBING Plumbing/Anne Arundel County, Frederick County, Howard County 77 permits/to Sep 2026
HOWARD PLUMBING LLC Plumbing/Anne Arundel County, Howard County 77 permits/to Sep 2026
PASADENA SIGN CO INC Sign/Anne Arundel County, Howard County 77 permits/to Aug 2026
REEDY ELECTRICAL SERVICES INC Electrical/Howard County 77 permits/to Aug 2026
ASC HEATING AND AIRCONDITIONING INC HVAC/Howard County 76 permits/to Aug 2026
PRO HOME IMPROVEMENT , LLC Plumbing/Frederick County, Howard County 76 permits/to Sep 2026
TIM KYLE CO ELECTRICAL SERVICE INC Electrical/Howard County 76 permits/to Aug 2026
CAPITAL CITY PLUMBING Plumbing/Anne Arundel County, Howard County 75 permits/to Sep 2026
Noel's Fire Protection, LLC Fire Protection/Anne Arundel County, Baltimore County 75 permits/to Aug 2026
Dorcus Construction Company Inc. Plumbing/Frederick County 74 permits/to Aug 2026
GSB SERVICES LLC Electrical/Howard County 74 permits/to Jan 2026
KAYWELL CONSTRUCTION CORPORATION Electrical/Frederick County, Howard County, Prince George's County 74 permits/to Sep 2026
MDP DECK AND PATIOS LLC Deck & Patio/Frederick County, Howard County 73 permits/to Sep 2026
ALTERNATIVE ROOFING INC Interior/Howard County 72 permits/to Aug 2026
ECOMIZE USA LLC HVAC/Anne Arundel County, Frederick County, Howard County 72 permits/to Aug 2026
GRAY ELECTRIC LLC Electrical/Howard County 72 permits/to May 2026
Henicle's Plumbing, Inc. Plumbing/Frederick County 72 permits/to Aug 2026
PRECISION ELECTRICAL SOLUTIONS Electrical/Anne Arundel County, Frederick County, Howard County 72 permits/to Aug 2026
Premier Choice Services Frederick County 72 permits/to Aug 2024
Tuckers Air Conditioning, Heating and Plumbing HVAC/Frederick County 72 permits/to Aug 2026
KASTNER PLUMBING & HEATING INC. HVAC/Howard County 71 permits/to Aug 2026
CHARLES A HORN Electrical/Frederick County 70 permits/to Jul 2026
JOHN BOUNDS PLUMBING, LLC Plumbing/Howard County 70 permits/to May 2026
W.L. STATON PLUMBING LLC Plumbing/Anne Arundel County 70 permits/to Sep 2026
BFPE INTERNATIONAL Electrical/Anne Arundel County, Baltimore County, Howard County 69 permits/to Sep 2026
MCALLISTER PLUMBING INC Plumbing/Anne Arundel County, Howard County 69 permits/to Sep 2026
ONEIL PLUMBING Plumbing/Frederick County, Howard County 69 permits/to Aug 2026
QTEC LLC Electrical/Anne Arundel County, Frederick County, Howard County, Prince George's County 69 permits/to Aug 2026
BREEDEN MECHANICAL INC Plumbing/Anne Arundel County, Frederick County 68 permits/to Apr 2026
GENERATOR SUPER CENTER Electrical/Anne Arundel County 68 permits/to Aug 2026
STRATEGIC FACTORY Sign/Anne Arundel County, Frederick County, Howard County 68 permits/to Aug 2026
WALTS MECHANICAL SERVICES INC HVAC/Howard County 68 permits/to Aug 2026

Previous Next

Source: county permit records. Updated weekly.