Front view of a home with a gray shingle roof, blue vinyl siding in it's front porch area, and red brick siding on the left next to the front porch

A Family Tradition Since 1924, Thomas Roofing Company

Thomas Roofing Company is a Maryland based family business steeped in tradition since 1924. Our commitment to excellence in providing complete roofing and exterior services in Maryland is based on quality workmanship, seamless execution, and the highest level of customer satisfaction.

Family values of truth and honesty are the cornerstone of our business practice with both our customers and employees. Get in touch with us today and we'll start you off with a FREE estimate!


Serving the Arundel, Baltimore, Carroll, Frederick, and Howard Counties. Roofing & Exterior Work Built For You... Built To Last

Your vision is our mission, it's as simple as that. No matter what type of roofing or exterior work you need to do on your home, trust the professionals at Thomas Roofing Company to get it done. Quality is what we stand for, and it's all part of a tradition of excellence that started back in 1924 and is still going strong.

  • Thomas Roofing Company team members installing new dark gray GAF shingles on a residential roof

    Roofing: Don't let worry loom overhead

  • Close up of a home with dark clouds in the background

    Storm Damage: With insurance claim help

  • Close up of a skylight on a brown shingle residential roof

    Skylights: Installed by experts

  • Close up of a 5-inch k-style seamless gutter system on a home

    Gutter Work: Done right the first time

We Are GAF Master Elite Contractors

When you hire a GAF Master Elite Residential Roofing Contractor, you have access to lifetime limited warranties with the best coverage in North America.

Only 2% of roofers are GAF Master Elite contractors, so we met a professional standard of excellence and are up-to-date with the latest technologies.

Thomas Roofing Company owner with his family

Local. Reliable. Experienced. Keeping Our Tradition Alive Since 1924

We are a family business with a family tradition at the core of who we are and how we operate on a day-to-day basis. It's a tradition of going that extra mile for a homeowner, making sure that the work we do for them is beyond their standards, and of course making sure to clean up after ourselves when the job is done.

Total excellence is what we strive for on every job we are hired for, and it's this dedication and passion that has kept us on top all these years.

  • format_quote
    starstarstarstarstar

    Everyone from Thomas was polite, professional and very respectful of our property and gardens. The roof, skylights and gutters guards were replaced with clockwork precision by an experienced team, using top quality materials.

    Lanny
  • format_quote
    starstarstarstarstar

    We are very pleased with our beautiful new roof! Thomas Roofing is great to work with - from estimate to completion. Workers were thorough, professional, and efficient. We recommend Thomas Roofing without hesitation.

    Jane and Bill M.
  • format_quote
    starstarstarstarstar

    We love our new roof. Looks beautiful. Was so impressed with clean up. Not a nail or paper to be found. Mr. Thomas and the staff at Thomas Roofing are great. We'd highly recommend them. They are responsive and friendly. You can't go wrong with them! Highly recommend!

    Paula C.

Attention Active Military, Veterans, and Retirees

Thank you for defending our freedom!

GAF, a U.S.-based corporation, is giving back to our troops.

U.S. Military Troops get a $250 Rebate when they install a GAF roofing system on their home and purchase an Enhanced Warranty.

Close [x]