STL Windows and Doors

STL Windows and Doors, a proud division of Lombardozzi Construction, is your trusted family-run windows and doors company. We proudly serve the entire St. Louis Metropolitan area.

As a Platinum ProVia dealer and certified installer, we bring you America’s finest windows and doors.

Dive into a range of ProVia windows: double-hung, casement, awning, slider, picture, garden, bay, bow, and unique architectural styles.

Need doors? From steel to patio; they are unmatched in quality & aesthetics.
Every product promises beauty, durability, and high-efficiency.

Our commitment? A 10-year workmanship warranty, free on-site estimates, and an exclusive 20% off cash discount deal.

Request a free in-home estimate today.