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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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
PRO HOME IMPROVEMENT , LLC Plumbing/Frederick County, Howard County 76 permits/to Sep 2026
CAPITAL CITY PLUMBING Plumbing/Anne Arundel County, Howard County 75 permits/to Sep 2026
Dorcus Construction Company Inc. Plumbing/Frederick County 74 permits/to Aug 2026
Henicle's Plumbing, Inc. Plumbing/Frederick County 72 permits/to Aug 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
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
BREEDEN MECHANICAL INC Plumbing/Anne Arundel County, Frederick County 68 permits/to Apr 2026
WILLIAMS PLUMBING, LLC Plumbing/Frederick County, Howard County 68 permits/to Jul 2026
ABBOTT'S PLUMBING, INC Plumbing/Anne Arundel County, Howard County 67 permits/to Aug 2026
JAMES E MORGAN Plumbing/Frederick County 67 permits/to Jul 2026
MARYLAND MECHANICAL SYSTEMS INC. Plumbing/Anne Arundel County, Howard County 65 permits/to Aug 2026
SCOTT C MISKO Plumbing/Frederick County 65 permits/to Sep 2026
TALON CONSTRUCTION INC Plumbing/Frederick County, Howard County 65 permits/to Aug 2026
A&A CONSTRUCTION AND UTILITIES, INC. Plumbing/Howard County 64 permits/to Aug 2026
ALPHA PLUMBING LIMITED INC Plumbing/Anne Arundel County, Howard County 64 permits/to Sep 2026
KEN GRIFFIN PLUMBING Plumbing/Howard County 64 permits/to Oct 2024
M & N PLUMBING LLC Plumbing/Anne Arundel County, Howard County 62 permits/to Sep 2026
CATONS PLUMBING, DRAINS AND HEATING Plumbing/Howard County 60 permits/to Sep 2026
Eagle Plumbing Plumbing/Frederick County 60 permits/to Sep 2026
D.W. BAHR PLUMBING & HTG INC Plumbing/Anne Arundel County 59 permits/to Aug 2026
MAXIMUM PLUMBING Plumbing/Howard County 59 permits/to Oct 2024
MTM PLUMBING WORKS LLC Plumbing/Frederick County, Howard County 59 permits/to Jul 2026
RAINE & SON, LLC Plumbing/Howard County 58 permits/to Oct 2025
Shelton Plumbing and Heating, Inc Plumbing/Anne Arundel County, Frederick County, Howard County 56 permits/to Aug 2026
BROWNS PLUMBING & HEATING, INC Plumbing/Frederick County 54 permits/to Jul 2026
PLUMBING MASTERED, LLC Plumbing/Howard County 54 permits/to Sep 2026
P&M PLUMBING Plumbing/Anne Arundel County, Frederick County, Howard County 53 permits/to Sep 2026
DESIGN KITCHEN AND BATH LLC Plumbing/Baltimore County, Howard County 52 permits/to Feb 2026
AUGUSTINE PLUMBING LLC Plumbing/Frederick County 51 permits/to Aug 2025
PICTURE PERFECT HOME REPAIR AND REMODELING LLC Plumbing/Howard County 51 permits/to Jun 2024
W A TOLBARD REFR & A/C LLC Plumbing/Frederick County 51 permits/to Jul 2026
ABDULS PLUMBING SERVICE, LLC Plumbing/Anne Arundel County, Howard County 50 permits/to Jul 2026
MCGUIRE PLUMBING & HEATING, INC. Plumbing/Anne Arundel County, Howard County 50 permits/to Sep 2026
MID-ATLANTIC BATH SOLUTIONS Plumbing/Anne Arundel County, Howard County 50 permits/to Sep 2026
JBA'S PLUMBING Plumbing/Anne Arundel County, Frederick County, Howard County 48 permits/to Aug 2026
Mallick Mechanical Contractors Plumbing/Frederick County, Howard County 47 permits/to Aug 2026
ZEPP PLUMBING & HEATING, INC. Plumbing/Frederick County, Howard County 47 permits/to Sep 2026
HAGUE QUALITY WATER OF MD Plumbing/Anne Arundel County 45 permits/to Sep 2026
SMITH MECHANICAL, INC. Plumbing/Anne Arundel County, Howard County 44 permits/to Sep 2026
T&D PLUMBING & HEATING CO., INC Plumbing/Howard County 44 permits/to Aug 2026
MOXLEY PLUMBING Plumbing/Frederick County 43 permits/to Aug 2026
TEVIS OIL, INC. Plumbing/Frederick County, Howard County 43 permits/to Aug 2026
Easterday-Wilson Water Services, LLC Plumbing/Frederick County 42 permits/to Aug 2026
GARCIA'S MECHANICAL LLC Plumbing/Anne Arundel County, Frederick County, Howard County 42 permits/to Jul 2026
JR ROBERT L HALLEY Plumbing/Frederick County 42 permits/to Aug 2026
PUMPHREY PLUMBING LLC Plumbing/Anne Arundel County, Howard County 42 permits/to Jul 2026

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Source: county permit records. Updated weekly.