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Colorado Siding, Windows, Roofing & Deck specialists in Littleton, Parker, Centennial & Denver

GS Exterior Experts is a family-owned and operated company specializing in home exterior services in Littleton, Colorado. Since 1999, we’ve provided siding installation, replacement windows, roof replacement, stucco, and stone installation for residential and commercial projects throughout Colorado.

Locally Owned & Operated Our mission is to deliver the best in customer service through dedication and honesty to get the job done for our clients.
Google 5–Star Rating We're proud of the reputation we have built serving homeowners throughout the Denver area since 1999.
#1 James Hardie Installer We have been recognized by James Hardie as #1 Elite Preferred Hardie siding contractor in the state.

Awards & Affiliations. We are honored to have a Google 5 Star rating, recognized by James Hardie as #1 Elite Preferred Hardie siding contractor, recipient of the Guild Quality Excellence award, and an Angie's list Super Service Award winner every year since 2011. Best Siding Contractors in Littleton, CO Best Siding Contractors in Littleton, CO
Customer Testimonials
GS brings craftsman level detail to their work. The customer service is the best I've experienced from any contractor. We are very happy.— Tom M.
Recently Completed Projects
Serving the Greater Denver Area Contact us today to discuss your project. We look forward to working with you.
GS Exterior Experts
9083 W. Peakview Drive, Unit 2Littleton, CO 80123
1847 W 52nd Ave, Denver, Unit C,
CO 80221
(720) 683-6288 [email protected]
Monday-Friday: 8:00AM–6:30PM
Saturday: 8:00AM–12:00PM
Sunday: Closed