A company with a reputation of excellence

With thousands of customers throughout the Bay Area, Window Factory is one of the largest and most reputable window replacement companies in northern California. Founded in 1995, we are a second-generation family owned and operated company that has been recognized for offering top-tier customer service to homeowners for more than two decades. Window Factory is owned and managed by two sisters, Jaclyn and Rachel, whom offer 35 combined years of experience in the construction industry.   

Window Factory carries the following qualifications as a Window and Door Replacement Contractor: 

Licensing: General Contractors (B) and Glaziers (C-17) bonded and insured. We are able to perform all phases of residential and commercial construction improvements and have a Long-standing relationship with the California State Contractors License Board.  License #781086

BBB: Members of the Better Business Bureau (BBB) of San Francisco, San Mateo, Sonoma and Marin County Chapters, holding an A+ rating since 1995.

Service History: Over 6,000 satisfied customers.

Employees: From administrators to our factory trained installers, all of our employees are required to attend inner-company workshops and manufacturer’s training seminars to remain up to date with industry standards and changes. 

Sales Consultants: All of our in-home sales consultants are experts; trained and educated in the products and services we offer.  They help each customer make an educated decision when it comes choosing replacement windows and doors. 

Overall, our qualifications and expertise are of the highest caliber in the industry and we offer our customers that much needed peace-of-mind one would want when embarking on any home improvement project!