AG Millworks bifold doors and windows in bright kitchen

AG Millworks

AG Millworks manufactures handcrafted door systems built for wide openings and indoor-outdoor living, with configuration options for custom residential and light commercial projects. Golden State Lumber and Showroom supplies AG Millworks windows and doors for replacement projects, custom homes, multifamily buildings, and light commercial construction throughout Northern California.

  • Bi-fold door systems
  • Multi-slide door systems
  • Lift-and-slide doors
  • French swing doors
  • Energy-efficient glass options
  • And more

Inspiration

About The Brand

AG Millworks specializes in manufacturing handcrafted folding, sliding and swing door systems made for luxury outdoor living at our factory in Ventura, California. Industry-leading designs, unmatched quality, advanced technology, and superior customer service are the reasons architects, designers, builders, and homeowners have chosen AG Millworks for their luxury home design projects since 1986. Proudly offering multiple door stile/rail profiles: Slimline | ultra-modern, Euro | contemporary or Traditional | classic; 19 varieties of wood species and outstanding energy performance.

Visit one of our 8 Northern California Showrooms. Request an appointment.

Document Library

Find technical specifications, installation guides, warranty information and more. Simply search by brand or product category to refine your search and access the support you need. Can’t find what you’re looking for? Contact your Golden State Lumber + Showroom professional.

FAQ

Got questions? We’ve got you—check out our quick answers below.

Golden State Lumber has been serving Northern California builders, contractors, architects, and homeowners for decades. We combine quality building materials with knowledgeable service to help customers find the right products and solutions for projects of every size.

Many customers return because they value consistent service, knowledgeable support, and access to quality building materials and trusted brands. Our goal is to build long-term relationships by helping customers complete successful projects, no matter the size.

If you don’t see the product you need, contact our team. Through our extensive supplier network, we can often source specialty, custom, and hard-to-find products and help you find the best solution for your project.