What types of contractors need a license in Maryland?

In Maryland, licensing requirements typically apply to general contractors, roofing contractors, plumbers, electricians, HVAC technicians, and other specialty trades. Requirements vary by trade and project scope. Always ask for proof of license and insurance before any work begins.

Local Contractors in Maryland

Q: How do I verify a contractor's license in Maryland?

Visit the Maryland Home Improvement Commission at https://www.dllr.state.md.us/license/mhic/ to look up license status, expiration date, and any disciplinary actions. Always confirm a license is active before signing a contract.

Browse licensed local contractors in Maryland. Search by trade and zip code, or browse by city below.

5,650

Contractors

★ 4.1

Avg rating (30 rated)

377

Cities covered

Browse by city in Maryland

Baltimore

Baltimore City County

Prince George's County

Contractors in Maryland(50 shown)

1020 CONSULTING LLC

General Contractor (Certified) · ANNAPOLIS · MD

1804 CONSTRUCTION LLC

Residential Contractor (Certified) · BALTIMORE · MD

1ST GREEN HOME LLC

CLASS A CONTRACTOR A ELE AES · DAYTON · MD

21ST CENTURY POWER SOLUTIONS LLC

CLASS B CONTRACTOR B AES ELE CIC HIC ESC · ELDERSBURG · MD

3 E RELIABLE ENERGY INC

CLASS A CONTRACTOR A ELE · ELLICOTT CITY · MD

3GANGES STREET LLC

CLASS A CONTRACTOR A HIC · CHEVY CHASE · MD

3G CONTRACTORS INC

CLASS A CONTRACTOR A RBC CBC · HAGERSTOWN · MD

41 CONSTRUCTION LLC

CLASS A CONTRACTOR A CBC RBC · BERLIN · MD

495 GARAGE DOOR INC

CLASS C CONTRACTOR C HIC · SILVER SPRING · MD

4 SIGHT CONSTRUCTION GROUP, LLC

Building Contractor (Certified) · SILVER SPRING · MD

A-10 CONSTRUCTION INC

CLASS A CONTRACTOR A FRM · MYERSVILLE · MD

A-10 CONSTRUCTION, INC.

General Contractor (Certified) · MYERSVILLE · MD

A1 ENVIRONMENTAL AND SAFETY TRAINING LLC

CLASS A CONTRACTOR A CBC RBC ASB · BALTIMORE · MD

A 1 MECHANICAL OF MID ATLANTIC LLC

CLASS A CONTRACTOR A HVA · FREDERICK · MD

A1 ROOFING & RESTORATION LLC

CLASS A CONTRACTOR A HIC · RIVERDALE · MD

A-1 ROOFING SERVICES INC

CLASS A CONTRACTOR A ROC · COLUMBIA · MD

A 2 Z ELECTRIC CORPORATION

CLASS A CONTRACTOR A ELE · ROCKVILLE · MD

A3 MECHANICAL INC

CLASS C CONTRACTOR C PLB GFC HVA · BALTIMORE · MD

AA ACTION WATERPROOFING INC

CLASS A CONTRACTOR A HIC · LINTHICUM · MD

AAC REMODELING LLC

CLASS A CONTRACTOR A HIC · GAITHERSBURG · MD

AA DEPENDABLE AIR INCORPORATED

CLASS B CONTRACTOR B HVA · WALDORF · MD

A-ADVANCED LLC

CLASS A CONTRACTOR A LPG GFC HVA · BELTSVILLE · MD

A A ELECTRIC SERVICES LLC

CLASS A CONTRACTOR A ELE · WALDORF · MD

A & A INSULATION LLC

CLASS A CONTRACTOR A MSC · ROSEDALE · MD

AARON J BATSON

TRADESMAN TRAD MHVA · PRINCE FREDERICK · MD

AARON J PETITTO

TRADESMAN TRAD MELE · ELKTON · MD

AARON L BOGANS

TRADESMAN TRAD JHVA · LINTHICUM HEIGHTS · MD

AARON M DIXON

TRADESMAN TRAD MELE · MONTGOMERY VILLAGE · MD

AARON M PERCIVAL

TRADESMAN TRAD MGFC MPLB · MARRIOTTSVILLE · MD

AARON M SNYDER

TRADESMAN TRAD JHVA · DEALE · MD

AARON N BLACK SR

TRADESMAN TRAD MELE · MYERSVILLE · MD

AAROW ELECTRICAL SOLUTIONS LLC

CLASS A CONTRACTOR A ELE · CHARLOTTE HALL · MD

AAROW EQUIPMENT AND SERVICES INC

CLASS A CONTRACTOR A CIC · PRINCE FREDERICK · MD

A & A STRUCTURES LLC

CLASS A CONTRACTOR A RBC · BETHESDA · MD

AAVISE DESIGN LLC

CLASS C CONTRACTOR C ESC · GLENN DALE · MD

ABA CONSTRUCTION INC

CLASS A CONTRACTOR A HIC · BETHESDA · MD

ABA HOME IMPROVEMENT LLC

CLASS C CONTRACTOR C HIC · FORT WASHINGTON · MD

ABC BURGLAR ALARM SYSTEMS INC

CLASS C CONTRACTOR C FAS · BOWIE · MD

ABC GENERAL AND MECHANICAL SERVICES INC

CLASS A CONTRACTOR A HVA · DERWOOD · MD

ABDUL A CARR

TRADESMAN TRAD MPLB JPLB MGFC · CAMP SPRINGS · MD

ABDUL-HAMIDU F MUSTAPHA

TRADESMAN TRAD MELE · BOWIE · MD

ABDUL H MUHAMMAD

TRADESMAN TRAD MPLB JPLB MGFC JGFC · WALDORF · MD

ABDULS PLUMBING SERVICE LLC

CLASS C CONTRACTOR C PLB GFC · WALDORF · MD

A B E CORPORATION

CLASS A CONTRACTOR A ESC · ROCKVILLE · MD

ABELAIR SERVICES LLC

CLASS A CONTRACTOR A HIC HVA · HUGHESVILLE · MD

ABEL A URRUTIA DEL CID SR

TRADESMAN TRAD MHVA · HUGHESVILLE · MD

ABEL M ELENGA

TRADESMAN TRAD MELE JELE · FORT WASHINGTON · MD

A BETTER HOUSE INC

CLASS C CONTRACTOR C HIC · BALTIMORE · MD

ABRAHAM MENSAH

TRADESMAN TRAD MHVA JHVA · ACCOKEEK · MD

ABRAMS, PATRICK BRYAN

General Contractor (Certified) · CROWNSVILLE · MD

Search all Maryland contractors →

Verify a contractor license in Maryland

Before hiring any contractor, confirm their license is active and in good standing. Maryland contractor licenses are issued by the Maryland Home Improvement Commission.

Look up a Maryland contractor license →

Contractor licensing in Maryland — FAQ

Do contractors need to be licensed in Maryland?

Yes. Maryland requires contractors to hold a valid state license before performing most home improvement or construction work. Always ask for proof of license and current insurance before signing any contract.

How do I verify a contractor's license in Maryland?

Visit the Maryland Home Improvement Commission to look up license status, expiration date, and any disciplinary actions.

What trades require a license in Maryland?

In Maryland, licensing requirements typically apply to general contractors, roofing contractors, plumbers, electricians, and HVAC technicians. Requirements vary by trade and project value — always confirm before work begins.

Local Contractors in Maryland

Browse by trade in Maryland

Popular searches in Maryland

Browse by city in Maryland

Contractors in Maryland(50 shown)

Verify a contractor license in Maryland

Contractor licensing in Maryland — FAQ