About Company

Ameristar Windows & Doors is a factory-direct replacement window and patio door company serving Southern California, with showrooms in Riverside and Temecula and local manufacturing in Riverside, California. The company designs, custom-builds, and professionally installs energy-efficient replacement windows and doors—including vinyl and aluminum window styles and a range of patio and entry door options—positioning the offering as custom-fit, durable, and aimed at improving comfort, noise reduction, and home energy performance. Ameristar Windows & Doors emphasizes a lowest-price guarantee, locally made products that support the local economy, and warranty-backed installations delivered by the company’s professional installation team.

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