Home Service Areas

Our Vision Statement

At Mainstream Home Improvement, we want to make your home renovation experience as effortless and enjoyable as possible. With our commitment to providing quality products at affordable prices and dependable craftsmanship, we strive to create meaningful relationships with our clients in the Quad Cities and surrounding area.

We Serve the Quad Cities and Surrounding Areas

Mainstream Home Improvement has been serving the Quad Cities and surrounding areas since 2001 with exceptional services in windows, gutters, roofing, siding, and more. Owner Spencer Sierra leads our team in providing high-quality workmanship and complete peace of mind. Click a city below to learn more about our services in your area.

In The Quad City Area:

In Western Illinois & Eastern Iowa:

In the Peoria Area:

“We could not be happier with our new windows and door! Each member of your company that we have worked with has been very kind and put our satisfaction as a top priority. Our windows look beautiful.”
- Tim & Tracy Wrengoogle