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

ACKER & SONS INC. Plumbing/Anne Arundel County, Howard County 4 permits/to May 2026
ADAMS ELECTRICAL SERVICES LLC Plumbing/Anne Arundel County, Howard County 4 permits/to Jun 2026
AG'S Enterprise Inc Plumbing/Frederick County 4 permits/to May 2026
ALL AMERICAN PLUMBING, INC. Plumbing/Anne Arundel County, Howard County 4 permits/to Apr 2026
AM BELL PLUMBING Plumbing/Howard County 4 permits/to Mar 2026
ANTHONY J CHMELIK Plumbing/Frederick County 4 permits/to Jun 2025
ARTHUR E. MYER PLBG & HTG Plumbing/Anne Arundel County 4 permits/to Aug 2026
ATLANTIC HOME GENERATOR Plumbing/Howard County 4 permits/to Mar 2026
BEST DEAL PLUMBING Plumbing/Howard County 4 permits/to Dec 2025
BLAKE DALE ALLGOOD Plumbing/Frederick County 4 permits/to May 2025
BOOTHE'S HVAC, PLUMBING & ELECTRICAL Plumbing/Howard County 4 permits/to Jan 2026
Buckley's Plumbing, Heating & Air Conditioning, LL Plumbing/Frederick County 4 permits/to Aug 2026
BURCO PLUMBING Plumbing/Anne Arundel County, Howard County 4 permits/to Jun 2026
CBIZ INSURANCE SERVICES Plumbing/Howard County 4 permits/to Aug 2025
CHARLES H. MULLENBERG CO., INC. Plumbing/Howard County 4 permits/to Mar 2026
Christopher Forman Plumbing/Frederick County 4 permits/to Sep 2024
City Wide Mechanical LLC Plumbing/Frederick County 4 permits/to Jun 2025
CN PLUMBING LLC Plumbing/Howard County 4 permits/to Sep 2025
CONFER'S PLUMBING LLC Plumbing/Anne Arundel County 4 permits/to Aug 2026
CUSTOM QUALITY PLUMBING & HEAT Plumbing/Howard County 4 permits/to May 2026
DAVID WHITE'S PLUMBING Plumbing/Anne Arundel County 4 permits/to Aug 2026
DEFINE CONSTRUCTION & DESIGN Plumbing/Howard County 4 permits/to Apr 2026
DESIGN PLUMBING & HEATING CORP Plumbing/Anne Arundel County 4 permits/to Aug 2026
DKW Electrical Company LLC Plumbing/Frederick County, Howard County 4 permits/to Jul 2024
DULLES PLUMBING GROUP, INC. Plumbing/Anne Arundel County, Howard County 4 permits/to Apr 2026
Elite Custom Home Builders, LLC Plumbing/Frederick County, Howard County 4 permits/to Mar 2026
ESSENTIAL ELECTRIC SERVICES LLC Plumbing/Frederick County 4 permits/to Oct 2024
Everett Construction Plumbing/Frederick County 4 permits/to Aug 2026
FLOWRITE PLUMBING AND HEATING INC Plumbing/Howard County 4 permits/to Feb 2025
FRAZIER'S MECHANICAL SERVICES, LLC Plumbing/Howard County 4 permits/to Apr 2024
Gladhill Remodeling Solutions LLC Plumbing/Frederick County 4 permits/to Mar 2026
GOD'S GRACE PLUMBING AND DRAIN SERVICES Plumbing/Howard County 4 permits/to Dec 2025
HANDY1 LLC Plumbing/Howard County 4 permits/to Aug 2025
HONGSUNG AHN/ RAND S HEATING,COOLING LLC Plumbing/Prince George's County 4 permits/to Aug 2026
HT CONSTRUCTION LLC Plumbing/Anne Arundel County, Howard County 4 permits/to Jul 2026
HUNT PLUMBING AND HEATING LLC Plumbing/Howard County 4 permits/to Sep 2025
IACOBONI SITE SPECIALISTS Plumbing/Howard County 4 permits/to May 2026
JAMES PLUMBING DBA OASYS CONTR Plumbing/Anne Arundel County 4 permits/to Aug 2026
Jay S Glazer Plumbing/Frederick County 4 permits/to Aug 2026
JCS Communications, Inc. Plumbing/Frederick County 4 permits/to Aug 2025
JE TURNBAUGH PLUMBING AND HEATING, LLC Plumbing/Howard County 4 permits/to Apr 2024
JOHN D FOUCHE Plumbing/Frederick County 4 permits/to Jul 2024
JUSTIN SHELL Plumbing/Frederick County 4 permits/to Aug 2026
K&B PLUMBING, INC Plumbing/Howard County 4 permits/to Sep 2024
KENNETH Best Plumbing/Frederick County 4 permits/to Jun 2026
Killians LLC Plumbing/Frederick County 4 permits/to May 2026
KM Electrical Solutions LLC Plumbing/Frederick County 4 permits/to May 2026
K&T PLUMBING LLC Plumbing/Howard County 4 permits/to May 2026
LEONID URMAN Plumbing/Frederick County 4 permits/to Sep 2025
LOAR HOME IMPROVEMENT LLC Plumbing/Frederick County, Howard County 4 permits/to Sep 2025

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Source: county permit records. Updated weekly.