Business Details
Quality You Can Trust, Service You Can Depend On!
Keystone Door was founded with a vision to redefine industry standards by combining high-quality products with unwavering integrity. With decades of combined experience across residential and commercial door, millwork, and hardware sectors, our team leverages expertise from industry leaders to deliver tailored solutions. We prioritize servant leadership, fostering relationships that empower clients and employees alike. Our commitment to excellence ensures every product meets rigorous quality benchmarks while aligning with environmental and social responsibility.Guided by core values of love, integrity, and exceptional service, we specialize in fiberglass, steel, and glass doors, complemented by premium hardware and millwork. Backed by partnerships with top manufacturers like Masonite and Jeld-Wen, we provide custom-fit solutions for builders, remodelers, and homeowners. Our focus on innovation ensures clients receive energy-efficient, durable products supported by 21st-century business practices.
Services
Entry Doors
Interior Doors
Patio Doors
Hardware
Millwork
Highlights and features
- We offer 100+ combined years of industry expertise from our leadership team.
- Our custom-fit doors meet specific project requirements and local building codes.
- We partner with top-tier manufacturers like Masonite and ThermaTru for premium products.
- Our team prioritizes servant leadership and ethical business practices daily.
- We provide solutions tailored for builders, remodelers, and homeowners alike.
What people say
Exceptional quality
Professional team
Durable products
Excellent service
Expert guidance
Services
Entry Doors
Custom fiberglass, steel, and glass entry doors available in various panel designs and finishes. Engineered for durability and security while offering aesthetic options to match any architectural style. Perfect for residential and commercial applications needing weather-resistant solutions.
Interior Doors
Premium panel, French, and flush interior doors that combine functionality with design flexibility. Available in modern and traditional styles to complement any interior decor while maintaining sound insulation and privacy between spaces.
Patio Doors
Energy-efficient glass and fiberglass patio doors featuring smooth operation and enhanced natural lighting. Designed with security features and thermal performance for seamless indoor-outdoor transitions in residential settings.
Hardware
Decorative and functional hardware solutions including handlesets, locks, and hinges. Products enhance door aesthetics while ensuring smooth operation and security for both residential and commercial installations.
Millwork
Custom millwork solutions for trim, moldings, and specialty wood components. Precision-crafted products maintain structural integrity while adding architectural detail to interior and exterior building projects.
People
Dale Winchester
Chairman of the Board of Directors
Over 40 years in door manufacturing, former executive at Sacramento A-1 Door, and industry leader with expertise in door production and licensing regulations.
Thaddeus Carpenter
President
21-year industry veteran with experience in residential and commercial door production, sales leadership, and operational management across multiple leading companies.
David Herron
VP of Operations
42-year manufacturing expert who led production at Sacramento A-1 Door and Heritage One Door, ensuring high-quality door and millwork output.
Craig Forsyth
VP of Sales
33-year industry leader with extensive experience in door, millwork, and window sales, driving client relationships and market expansion initiatives.
Questions
What are your standard business hours?
We operate Monday through Friday from 8:00 AM to 4:30 PM for showroom visits and order pickups.
Do you offer custom door solutions?
Yes, we provide custom-fit doors in various materials and finishes tailored to specific project requirements.
What areas do you serve?
We primarily serve Sacramento, California, with delivery and installation services available across the region.
Are your products energy-efficient?
Our Masonite and ThermaTru doors feature energy-efficient designs that help reduce heating and cooling costs.
Can I get hardware with my door purchase?
Yes, we offer complete door packages including decorative and functional hardware for seamless installations.
What makes your company different?
Our combined century of industry experience, ethical business practices, and partnerships with top manufacturers set us apart.
