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

KELLER BROTHERS INC Plumbing/Frederick County, Howard County 17 permits/to Aug 2026
MARYLAND DECKWORKS INC 01 30686 Deck & Patio/Howard County 17 permits/to Jun 2026
MJA INC Electrical/Howard County 17 permits/to May 2025
Nisell plumbing and heating inc Plumbing/Howard County 17 permits/to Aug 2026
RECINOS SIDING CONTRACTOR LLC Deck & Patio/Howard County 17 permits/to Aug 2026
SENA SERVICES INC Electrical/Frederick County, Howard County 17 permits/to Jun 2026
SUNSCAPE DECK BUILDERS LLC Deck & Patio/Frederick County, Howard County 17 permits/to Aug 2026
TC PLUMBING LLC Plumbing/Howard County 17 permits/to Aug 2026
THE BEST SIGN INC Sign/Frederick County, Howard County 17 permits/to Jun 2026
TOTAL COMFORT HEATING & AIR CONDITIONING, INC. HVAC/Howard County 17 permits/to Jul 2026
Watts Led LLC Electrical/Frederick County, Howard County 17 permits/to Aug 2025
ACCURATE PLUMBING & HEATING CO Plumbing/Anne Arundel County, Frederick County, Howard County 16 permits/to Jun 2026
APEX PLUMBING Plumbing/Howard County 16 permits/to Aug 2026
BEST BUY STORES L P Electrical/Howard County 16 permits/to Apr 2026
BLACKSTONE PLUMBING AND ELECTRIC Plumbing/Howard County 16 permits/to Sep 2026
CAB CERTIFIED ELECTRIC Solar/Anne Arundel County, Howard County 16 permits/to Apr 2026
CEDARBROOK DECK & PATIO INC Deck & Patio/Howard County 16 permits/to Aug 2026
CONTACT ELECTRIC, LLC Electrical/Anne Arundel County, Howard County 16 permits/to Sep 2026
DAHAN ELECTRIC INC Electrical/Howard County 16 permits/to Apr 2026
DBA ENVIRO-TEK SERVICES HVAC/Howard County 16 permits/to Aug 2026
DECKMASTER INC DBA TRUEDECKS Deck & Patio/Howard County 16 permits/to Aug 2026
DELMAR PLUMBING, LLC Plumbing/Anne Arundel County, Howard County 16 permits/to Sep 2026
E&G PLUMBING LLC Plumbing/Howard County 16 permits/to Oct 2024
EUGENE ELECTRIC Electrical/Howard County 16 permits/to Aug 2026
FASTSIGNS COLUMBIA Sign/Howard County 16 permits/to Jun 2026
FJD ELECTRICAL COMPANY INC. Electrical/Howard County 16 permits/to Jun 2026
HIRSCH ELECTRIC LLC Electrical/Anne Arundel County, Howard County 16 permits/to Jul 2026
HVAC PRECISION SERVICES, INC HVAC/Anne Arundel County, Howard County 16 permits/to Aug 2026
K.H. PLUMBING, INC. Plumbing/Frederick County, Howard County 16 permits/to Mar 2026
LCI Electrical Services Electrical/Anne Arundel County, Frederick County, Howard County 16 permits/to Jul 2026
LITTLE SPARKIE ELECTRIC LLC Electrical/Frederick County, Howard County 16 permits/to Mar 2026
MALLORY ELECTRIC CO LLC Electrical/Frederick County, Howard County 16 permits/to Jul 2026
Markool Heating & Cooling LLC Plumbing/Frederick County, Howard County 16 permits/to Aug 2024
M.L. SMITH ELECTRIC INC Electrical/Anne Arundel County, Howard County 16 permits/to Jul 2026
NO LIMIT PLUMBING SERVICE Plumbing/Anne Arundel County, Frederick County, Howard County 16 permits/to Jul 2026
NORTHERN ALLIANCE LLC Electrical/Howard County, Prince George's County 16 permits/to Sep 2026
pilgrim decks and fence llc Deck & Patio/Anne Arundel County, Frederick County, Howard County 16 permits/to Aug 2026
PLUS CONSTRUCTION LLC HVAC/Anne Arundel County, Frederick County, Howard County 16 permits/to Jul 2026
PLUS CONTRACTING Electrical/Howard County 16 permits/to Jul 2026
PRO CO ENTERPRISES INC Structural/Howard County 16 permits/to Sep 2024
PROLINE PLUMBING, LLC Plumbing/Anne Arundel County, Howard County 16 permits/to May 2026
RELIABLE HVAC INC HVAC/Anne Arundel County, Howard County 16 permits/to Aug 2026
RESIDENTIAL HOME RECOVERY CORP Solar/Howard County 16 permits/to Aug 2026
ROD'S TANKLESS SOLUTIONS LLC Plumbing/Anne Arundel County, Frederick County, Howard County 16 permits/to May 2026
TISSA ENTERPRISES, INC. Electrical/Anne Arundel County, Frederick County, Howard County 16 permits/to Jul 2026
WIIPOWER ELECTRICAL & DESIGN Electrical/Howard County 16 permits/to Sep 2026
W.L. STATON PLUMBING HEATING AND COOLING, LLC Plumbing/Howard County 16 permits/to Aug 2024
ABBOTT BROTHERS PLUMBING Plumbing/Howard County 15 permits/to Jul 2026
AT PLUMBING AND GAS FITTING Plumbing/Frederick County, Howard County 15 permits/to Apr 2026
CAPITAL CITY CONSTRUCTION Deck & Patio/Howard County 15 permits/to Jan 2024

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Source: county permit records. Updated weekly.