Sunroom & Patio Construction
St. Charles County, MO Area
Lifetime Craftsmanship Warranty
A+ Rating With the BBB
Free Estimates Within 48 Hours
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Transform Your Home with Stunning Sunrooms and Patios
Gateway Exteriors has been enhancing homes in St. Charles County, MO and the surrounding areas since 1982. With over four decades of experience, we specialize in creating beautiful, functional outdoor living spaces that seamlessly blend with your home's architecture. Our commitment to quality craftsmanship and attention to detail has earned us an A+ rating with the BBB and a reputation as the premier exterior improvement contractor in the region. We take pride in our long-tenured employees and our policy of never using subcontractors, ensuring consistent, high-quality results on every project.
At Gateway Exteriors, we understand that your home is your sanctuary, and we're dedicated to helping you make the most of your living space. Our family-owned business prioritizes quality over quantity, focusing on delivering exceptional results that stand the test of time. We offer a lifetime warranty on our craftsmanship and provide product warranties to give you peace of mind. Whether you're dreaming of a cozy sunroom, a spacious patio, or a custom home addition, our team has the expertise to bring your vision to life. Contact Gateway Exteriors today to start your journey towards a more beautiful, functional home.
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Why Choose Us
Lifetime Craftsmanship Warranty
A+ Rating With the BBB
Free Estimates Within 48 Hours
In Business Since 1982
Product Warranties Honored
No Subcontractors
Covered Patios
Custom-Built Sunrooms
Home Additions
Screened-In Porches

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Here's what our satisfied clients are saying...
At Gateway Exteriors, we take pride in providing exceptional exterior improvement services to our clients. We would be grateful if you could share your thoughts about our business with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of Gateway Exteriors and let others know what you think.










