Customer service and installation crew were fantastic! The installers were conscientious did a wonderful job replacing and installing a patio door and bay window. Highly recommend them!
November 2025
My experience with kobyco was excellent from the estimate process to installation. The workmen were efficient and timely throughout the installation and clean up. My great room looks great and it is warm and cozy.
November 2025
Kobycos installers did a very professional and excellent job
KobyCo Door & Window was founded over 40 years ago and is a family-owned and operated company in Loves Park, IL serving the surrounding areas including Rockford, Belvedere, Roscoe, and Rockton. KobyCo Door & Window has remained Rockford's leading home improvement contractor by providing superior products, exceptional customer service, and taking pride in a job well done. We specialize in window replacement and window installation for vinyl and wood windows. We also work on door replacement and installation for entry doors, patio doors, and storm doors.
