We are a DIAMOND CERTIFIED Company, rating us highest in quality and customer satisfaction.

We're a family owned company, our philosophy is optimistic, it started with our father in 1920 in San Francisco, when he named his new window covering business Theo DeFriese & Sons before he had any sons. We are still here and he did have three sons that's optimism.

Our office is located at 724 South Amphlett Blvd. San Mateo. We are available by appointment only and provide free in home consultation in San Francisco and most Bay Area location, so call for your appointment today 650 401 7160 or 800 300 3494. We are a full service company from measurement to installation including repair and repainting. We offer a wide variety of window coverings products to select from. With custom shutters, our specialty, we are the shutter experts.