Exclusive Optimum Windows and Doors Dealer for Northern California:

Established in 1986, Optimum Window has made its mark in the steel windows industry as the largest and most diversified manufacturer of Fire Rated windows in the United States.

Competitiveness being the drive for all entrepreneurs, Optimum has continued its growth with a series of custom, high-tech metal window and door systems designed for commercial, high-end residential and landmark applications.

With our versatility and knowledge in engineering, manufacturing and customer service, Optimum has its focus on producing top of the line products in high-performance aluminum, steel, bronze and stainless steel.

Optimum continues to work with architects who require custom designs for their applications, bringing performance and structural excellence together with beauty and style, to make every idea a reality.

The best is all Optimum makes.

Loewen Window Installer


Optimum  Window Installer