Business ProfileWindow Installers in Rockford, Illinois
Stateline Windows & Doors
Stateline Windows & Doors
Stateline Windows & Doors is based in Machesney Park, Illinois, and installs replacement windows, doors and siding. It serves Rockford and Rock County, Wisconsin; its work also includes commercial windows and doors for offices and retail storefronts.
Last Updated October 2, 2026.
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Business Highlights
- Family-owned window and door replacement company.
- Fully licensed and insured.
- Wisconsin Contractor No. 3629-DCFR.
- Decades of experience serving Rockford, Janesville and the Stateline.
Service Area
Rockford; Machesney Park and surrounding Winnebago County communities, including Loves Park, Cherry Valley and Roscoe; Janesville, Beloit, Milton, Edgerton, Evansville, Clinton, Orfordville, Footville, Brodhead and Sharon; and Rock County, Wisconsin.
Active Business Listing
Stateline Windows & Doors is one of 10 window installers ProsGrade lists in Rockford, Illinois.
Active
Public local listing
Listing details
4 services listed, including Window replacement and installation, Door installation and Siding installation. Open weekdays, closed on weekends. Rated 5.0 from 3 reviews.
- Verified listing details
- Service information
- Customer review signals
- Photo gallery
- Public contact information
- Published local profile
How This Business Compares
How Stateline Windows & Doors compares with the other 9 window installers on ProsGrade in Rockford, using public Google ratings and review counts.
- Rated 5.0 on Google, well above the 4.7 average of other Rockford window installers on ProsGrade.
Services Covered
4 services- Window replacement and installationDouble- and single-hung, casement, awning, sliding, picture, bay, bow and custom-shaped styles; multi-pane glass, advanced insulation and weather-tight seals.
- Door installationEntry, patio, sliding glass, storm and French doors; customizable finishes, glass and hardware.
- Siding installationVinyl, fiber cement, LP SmartSide® and insulated siding.
- Commercial windows and doorsProjects for offices and retail storefronts.
Reviews
What customers say
Both customer accounts are positive about the service. One notes an on-time, correct order and smooth installation, while the other reports a lower heating bill after the windows were installed.
Customer Reviews
John Raadsen
Great experience. Got what I ordered on time, correct and at a reasonable price. Install went smoothly and I love the new look. Would highly recommend!
greg schenk
Chuck had my windows installed last year and my heating bill has gone way down. Thank you for the excellent service.
Lauren Dye
This week we had all our windows and sliding door replaced by EcoView and they look amazing! The whole process from reaching out for a quote, the sale, installation and completion went very smooth. They have excellent customer service and a very knowledgable installation team. They were able to install all of our windows in one day and there was no mess left behind. If you are in need of new windows, I highly recommend this team! Reach out to Tim for a quote.
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Frequently Asked Questions
Does Stateline offer free in-home estimates for window replacement?
It offers free in-home estimates for window replacement projects.
Does Stateline include clean-up and inspection?
Its process includes clean-up and inspection.