Spring Into Action Sales Event! Ends May 31st – Schedule Now

Service Areas

Quality Window & Door Replacement in Simi Valley, CA

The Window Factory provides high quality window and door replacement service in Simi Valley and surrounding communities, including:

Ventura County

Los Angeles County


The doors and windows you choose for your home are important on several levels. They are functional features that open and close, affecting light, ventilation and access. They are also décor elements that reflect your personal style and add visual interest to your home’s interior and exterior.

The Window Factory will guide you through the window and door replacement process from beginning to end. Our experienced design consultants can provide options and ideas that fit your taste, home and budget. Our Certified Master Installers will install the made-to-order, durable, energy-efficient windows and doors we are known for, including the following options:


Our windows and doors are thoughtfully designed and manufactured with the finest components so that they provide long-lasting value and energy efficiency and require very little maintenance. They are backed by the strongest warranties in the business.

Spring Into Action Sales Event!

Buy One, Get One 40% Off!

Plus $0 Money Down, 0% Interest & $0 Payments for 1 year!* (o.a.c.)

Senior & Military discounts available.
Ends May 31st!
Schedule your free in-home consultation or visit our showroom today!