National Roofing DirectoryNational Roofing Directory

    The industry

    1st Source Contractors logo

    O Fallon, Illinois

    1st Source Contractors

    3.7(23 reviews)
    1560 Frontage Rd, O Fallon, IL, 62269

    1st Source Contractors is a custom exterior solutions company that specializes in roof, siding, gutter, and window systems. We work with storm damage restoration and insurance claims, remodels, repairs, property management groups and real estate professionals, and new construction.

    1st Source Contractors

    1560 Frontage Rd, O Fallon, IL, 62269

    Get a Free Consultation

    Get a free consultation from a verified roofer in O Fallon. This request does not go to the business shown on this page — they have not verified their listing with us.

    By sending this request you agree that we pass it, with your name, phone number and email address, to a roofing contractor so they can contact you about your project by phone, text message or email. That contractor is the one this form names, or a verified roofer near you when the business shown on this page has not verified its listing. Message and data rates may apply, and you can tell them to stop at any time. Your details are handled as described in our Privacy Policy.

    Sent to a verified roofing contractor near you.

    This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

    Provenance

    Listing information

    This profile is unverified. It was compiled from public records and the contractor has not confirmed its details with us, so contact information is not shown.

    This is a Public-Record Listing: the information for 1st Source Contractors was compiled from publicly available business registration and licensing data.

    Information last reviewed September 2026 · Claim this profile

    Public-Record Listing.
    Compiled from public business registration and licensing records. Not vetted by NRD — confirm license and insurance with your state board.
    Licensing: check the IL requirements
    Location: O Fallon, IL
    Is this your business? Claim this listing →