General Contractor in Wentzville, MO — Built for Missouri's Fastest-Growing City
A&S Contracting Services serves Wentzville from our Warrenton base — 20 miles west on I-70. We handle roofing, siding, gutters, windows, drywall, and full interior renovations for Wentzville homeowners. Free written estimates across St. Charles County.
Serving Wentzville's new developments and established neighborhoods
Wentzville is one of Missouri's fastest-growing cities — and with rapid growth comes rapid need for contractors who can keep up. We work in Heritage of Hawk Ridge, the Bryan Crossing area, Arbor developments, and the established neighborhoods closer to Wentzville's original downtown on Main Street.
Missouri's climate affects St. Charles County just as hard as Warren County — spring hail, summer heat expansion, and winter freeze-thaw cycles stress roofing and exterior systems. We know which materials perform best in this climate and install them to manufacturer specs. If you're looking for a contractor near me in Wentzville, MO, A&S covers your area.
Where we work in Wentzville and surrounding St. Charles County
Wentzville sits at the junction of I-70 and Wentzville Parkway, making it one of the most accessible communities in the metro region. From Lake Saint Louis to the west to Foristell to the east, the entire eastern edge of our service territory runs through Wentzville's zip codes.
New construction here tends to have builder-grade roofing and gutters that hit their warranty limit around the 10–15 year mark. We see a lot of first-time replacement projects in Wentzville's 2005–2015 build wave — homes that were built fast and are now ready for proper material upgrades.
- Heritage of Hawk Ridge and Arbor at Bryan Crossing
- Wentzville Parkway and Route 40/61 corridor neighborhoods
- Wentzville R-IV School District family homes
- Lake Saint Louis and Foristell homes on the county line
- Permit pulls for Wentzville city proper and St. Charles County
All 10 A&S services available in Wentzville, MO
Why Wentzville homeowners choose A&S over local St. Charles County contractors
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Licensed to Pull Permits in St. Charles County
A&S is a Missouri-licensed general contractor. We handle permit applications for Wentzville city projects and St. Charles County jobs — inspections, sign-offs, and final approvals managed for you.
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Full-Scope — No Subcontractor Patchwork
Unlike smaller Wentzville contractors who subcontract roofing, siding, and drywall to separate crews, A&S manages the full scope in-house. One crew, one point of contact, no coordination gaps.
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Newer-Construction Expertise
Wentzville's rapid growth means most homes here were built in the 2000s–2010s. We know what builder-grade materials age like and what replacement options give you the longest service life for your dollar.
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No-Surprise Written Estimates
Every Wentzville estimate is in-person and written. We visit your home, measure, inspect, and deliver a detailed breakdown — no phone estimates, no scope creep at job start.
Get a Free Estimate in Wentzville, MO
A&S Contracting Services covers all of Wentzville and St. Charles County. We'll come out to your property, assess the scope, and hand you a written quote — no obligation to move forward.
Last Updated: June 2026 — Serving Wentzville, MO and St. Charles County.