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  • Your Home Improvement Professionals!

    For over four decades we have provided exceptional home improvement services to the Washington DC Metro Area. We hire the highest qualified installation technicians – and provide them with the tools and continued training to complete every project with superior skill and efficiency.


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    You’ll never be waiting all day for technicians to show up. We schedule reasonable windows for our Washington DC Metro Area neighbors – and are always on time!



    At American Custom Contractors, we have been redefining the contracting experience for over four decades. Family owned and operated, we staff the most skilled contractors in the Washington DC Metro Area. Our certified professionals handle a wide variety of home improvement services for both homeowners and businesses. Whether it’s roofing, siding, windows or sunrooms, we offer comprehensive service and high-performance products for complete customer satisfaction.

    Top Washington DC Area Roofing Contractors - Read More!

    As one of the most trusted roofing contractors in Rockville, MD since 1972, American Custom Contractors brings an unparalleled craftsmanship to residential and commercial roofing projects of all types and sizes. When you need expert certified roofing services and you are searching for a great roofer near me, contact American Custom Contractors today!

    Our Services Include:

    • Roofing
    • Siding
    • Windows

    We believe that our success is determined by the satisfaction of our Maryland and Virginia clients and the referrals we receive as a result. American Custom Contractors is determined to exceed the expectations of every client we work with - and continue the dream of a successful business that Alex and Angie Giakoumatos started over four decades ago. From roofing repair to your new siding and windows, our licensed team of professionals will see your project through to satisfied completion. Stop putting off those home improvements with Rockville’s most trusted home services company American Custom Contractors.

    Professional Roofing Services for Rockville

    The roof of your Rockville home is arguably the most important part of it. Your roof not only protects the rest of the home against the elements, but can also add to the overall style and curb appeal of your home. Whether you’re looking to replace your entire roof, are starting from scratch, or need a few repairs, American Custom Contractors has all the types and styles of roofing that you’re looking for. We can assist with a wide variety of roofing options including:

    • Cedar Shakes & Shingles
    • Composition Shingles
    • Metal Roofing
    • Gutters & Gutter Guards
    • Roof Repair
    • Roofing Contractor
    • Slate
    • Synthetic Cedar Shakes
    • Synthetic Slate
    • Tile

    Expert Window Services for Rockville

    Adding or updating windows is a great way to add natural beauty, light and value to any Home home or office. No matter how many windows you need added or replaced, make American Custom Contractors your first call. We are a fully licensed, bonded and insured family-owned contracting company that can provide you with all the home improvement products and services you need. From energy efficient vinyl windows to the classic beauty and style of wood windows and everything in between, we have what you need.

    In addition, we are one of the leading contracting companies in the area, so you can have peace-of-mind that all your window and other home improvement projects will be handled by experienced and skilled professionals. We can help you with:

    • Casement Windows
    • Double Hung Windows
    • Energy Efficient Windows
    • Picture Windows
    • Replacement Windows
    • Sliding Windows
    • Vinyl Windows
    • Wood Windows
    • The Trusted Home Improvement Professionals!

    At American Custom Contractors, we have been redefining the contracting experience for over four decades. Our dedication to superior customer service in the Rockville area has ensured our longevity and stellar reputation. In addition to expert roofing and window services, we can assist with all your siding projects as well. Improve your home with insulated vinyl siding that will make your home look and feel better. Contact us today to schedule an appointment with one of our licensed professionals.

    When you are searching for the best roofers near me, call American Custom Contractors at 410-628-ROOF to schedule an appointment today!

    Expert Siding Services for Rockville

    We can help with:


    • Cedar Shakes & Shingles
    • Insulated Vinyl Siding
    • Soffits & Fascia
    • Vinyl Siding
    • Surge Protection
    • Code Inspections
    • Troubleshooting


    Happily Serving Rockville, MD and Surrounding Areas

    Washington DC Metro Area


    We're really good, ask our customers!

    review stars

    "Outstanding company. We recently used American Custom Contractors to replace our roof that had been damaged by hail."

    – Hugo A.

    review stars

    "Very professional, skilled and efficient. They fixed the roof and ceiling of our home quickly, and did a great job."

    – Judy R.

    review stars

    "Amazing service, great pricing – got our roof done in one day braving the elements. Very professional staff had several professional interactions with different members."

    - Richard B.