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.

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ANTIETAM PLUMBING Plumbing/Frederick County 9 permits/to Dec 2025
ARTHUR E MYER PLUMBING AND HEATING INC Plumbing/Frederick County, Howard County 9 permits/to Aug 2026
BAYSIDE PLUMBING GROUP LLC Plumbing/Anne Arundel County, Howard County 9 permits/to Sep 2026
CALVERT UTILITIES, INC. Plumbing/Anne Arundel County, Howard County 9 permits/to May 2026
FERRARO CUSTOM BUILDERS Plumbing/Howard County 9 permits/to Jul 2026
GLENMORE PLUMBING & DRAIN SERVICES LLC Plumbing/Howard County 9 permits/to Jul 2026
Gray & Son Inc Plumbing/Anne Arundel County, Frederick County, Howard County 9 permits/to Apr 2026
Gregory E Johnson Plumbing/Frederick County 9 permits/to Nov 2024
GRIZZLY PLUMBING LLC Plumbing/Howard County 9 permits/to Aug 2026
Jerry Justice Excavating Inc Plumbing/Frederick County 9 permits/to Aug 2026
JETT PLUMBING Plumbing/Anne Arundel County, Howard County 9 permits/to Jun 2026
J & I plumbing Plumbing/Anne Arundel County, Frederick County 9 permits/to Aug 2026
LAUREL PLUMBING INC. Plumbing/Anne Arundel County, Howard County 9 permits/to Mar 2026
LEE PLUMBING SERVICE Plumbing/Anne Arundel County, Howard County 9 permits/to Aug 2026
LINTHICUM PLUMBING & DRAIN CLEANING, INC Plumbing/Frederick County, Howard County 9 permits/to Jun 2026
LIQUID ASSETS LLC Plumbing/Howard County 9 permits/to May 2026
MARYLAND SEWER & PLUMBING Plumbing/Anne Arundel County, Howard County 9 permits/to Aug 2026
Matthew J Kushel Plumbing/Frederick County 9 permits/to Jul 2026
METCALF PLUMBING SERVICE Plumbing/Howard County 9 permits/to May 2026
NBM PLUMBING SERVICES Plumbing/Howard County 9 permits/to Jul 2026
NICKS PLUMBING SERVICES Plumbing/Anne Arundel County, Howard County 9 permits/to Aug 2026
PERCIVAL MECHANICAL SERVICES INC Plumbing/Howard County 9 permits/to Mar 2026
PH PLUMBING LLC Plumbing/Howard County 9 permits/to Dec 2025
Purple Clay Plumbing, LLC Plumbing/Anne Arundel County, Howard County 9 permits/to Sep 2026
Roberto Construction Inc Plumbing/Frederick County 9 permits/to Jun 2026
SAVE THE DAY DRAIN CLEANING LLC Plumbing/Howard County 9 permits/to Sep 2026
SEADMOK WATER CONSTRUCTION LLC Plumbing/Howard County 9 permits/to Feb 2026
SOUTHERN STATES PETROLEUM Plumbing/Howard County 9 permits/to Sep 2026
T.C.PLUMBING LLC Plumbing/Frederick County 9 permits/to Feb 2026
Tri-State Plumbing & Heating, Inc. Plumbing/Frederick County 9 permits/to May 2026
VANCE B HUNT Plumbing/Frederick County 9 permits/to May 2026
WARD PLUMBING, INC. Plumbing/Anne Arundel County 9 permits/to Aug 2026
WELL MAN WATERCHECK LLC Plumbing/Anne Arundel County 9 permits/to Aug 2026
WM. ESWORTHY & SON Plumbing/Howard County 9 permits/to Apr 2026
ABBOTT BROTHERS PLUMBING AND HEATING OF MD, INC Plumbing/Anne Arundel County, Frederick County 8 permits/to Aug 2026
AES BUILDER & HOME IMPROVEMENT INC Plumbing/Anne Arundel County, Howard County 8 permits/to Aug 2026
BAUER MECHANICAL LLC Plumbing/Anne Arundel County, Howard County 8 permits/to May 2026
BAUMAN PLUMBING LLC Plumbing/Howard County 8 permits/to Nov 2025
BDH Plumbing Plumbing/Frederick County 8 permits/to Sep 2025
BERNELLA'S PLUMBING, LLC Plumbing/Anne Arundel County, Howard County 8 permits/to Jul 2026
Best Homes MD llc Plumbing/Frederick County 8 permits/to Oct 2025
BOWIE DESIGN AND HOME IMPROVEMENT Plumbing/Howard County 8 permits/to Jul 2026
CALVERT MECHANICAL SOLUTIONS Plumbing/Anne Arundel County 8 permits/to Sep 2026
C. J. MILLER, LLC Plumbing/Howard County 8 permits/to Jul 2026
COMPASS POINTE PLUMBING & HTG Plumbing/Anne Arundel County 8 permits/to Jul 2026
CONFERS PLUMBING LLC Plumbing/Howard County 8 permits/to Jun 2026
Custom Mechanical Services Inc. Plumbing/Frederick County, Howard County 8 permits/to Aug 2026
CUSTOM PLUMBING & HEATING Plumbing/Howard County 8 permits/to Sep 2026
CUSTOM QUALITY PLUMBING & HTG- Plumbing/Anne Arundel County 8 permits/to Jul 2026
EBENEZER PLUMBING & DRAIN LLC Plumbing/Howard County 8 permits/to Apr 2026

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Source: county permit records. Updated weekly.