Builders & Contractors

Builders, contractors, rehab specialists: Keystone Windows & Doors wants to be your window and door solution. Bring Keystone your window schedules for any size project and get direct attention from owners and managers who care about repeat business.

Because we offer a vast selection of quality brands, conscientious experts working ordering and delivery, and owner oversight, you can rest assured your projects are in good hands with Keystone.

Keystone Windows & Doors built its reputation with homeowners on great service, quality products, and direct responsibility. If that’s what you’re looking for in a professional partner, you’re looking for Keystone.

Fax window schedules to 206-860-8788 or use our online Free Estimate Form.

Bring your clients to the Keystone showroom at 2215 4th Avenue S, Seattle for browsing and expert consultation in a professional setting. Position us as your partner, improve client satisfaction and get more referrals.

Get up to $4,000 cash back in a calendar year when you sign up for our Keystone Bucks rewards program exclusively for contractors.

Keystone Windows & Doors General Contractor's License: #KEYSTWD9840L
Contractor's Bond ($12,000) Bond #SB6893 with CBIC
Insurance ($1,000,000) Commercial
Liability/Property Damage Policy # PFK029258 with McDonald Ins. Group Inc.

Keystone Windows & Doors
2215 4th Ave. S, Seattle - Phone: 206.860.8686