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Expert Doors, Windows & Glass Solutions in California
At GPA Doors, Glass & Windows, we have dedicated ourselves to delivering the highest quality finish carpentry and customized construction solutions since our founding. Our mission prioritizes cost-effectiveness while using premium materials tailored to each project's design. We specialize in commercial glass, doors, windows, frames, and comprehensive residential services, including shower enclosures, garage doors, and patio covers. Our full-service approach encompasses design, on-site engineering, permit coordination, and warranty service, ensuring seamless project execution. With experience in tenant build-outs, church renovations, and retail storefronts, we stand by our work, providing 100% satisfaction through meticulous attention to detail. Our team's expertise spans large-scale commercial projects and intricate residential remodeling, reflecting our adaptability and commitment to client needs.

We pride ourselves on managing every project phase in-house, from initial design to final cleanup, guaranteeing quality control and accountability. Our portfolio includes work for schools, churches, retail spaces, and homeowners across California, demonstrating our versatility in diverse markets. Clients consistently recognize our reliability in meeting budgets and deadlines, as evidenced by testimonials from developers in Los Angeles and homeowners in Orange County. As we continue to expand our capabilities, our core values of excellence, teamwork, and client partnership remain central to every project we undertake.
Services
Commercial Glass Installation Residential Windows Church Renovations Shower Enclosures Garage Doors Tenant Build-Outs Patio Covers Mirrors
Highlights and features
  • We install all our own products and stand behind our work 100%.
  • Our team manages every project phase from design to final cleanup.
  • We specialize in custom church/school renovations and stained glass integration.
  • We offer comprehensive warranty service and repair support.
  • Our experience spans tenant build-outs, mall storefronts, and luxury residences.
What people say
Came in under budget Installed on time Fit perfectly Great work Vast experience
Services
Commercial Glass Installation
We deliver full-service commercial glass installation for storefronts, offices, and retail locations. Our team handles frames, windows, and doors with precision engineering and local manufacturing. Clients benefit from our comprehensive coordination of permits and inspections, ensuring code compliance and long-term durability. Our 2016 projects demonstrated expertise in custom retail construction across California.
Residential Windows
Custom window solutions for homes including replacement, installation, and energy-efficient upgrades. We specialize in integrating windows with overall remodel designs while maintaining structural integrity. Our 2016 work showcased capabilities in both modern and heritage-style window installations for Orange County homeowners.
Church Renovations
Specialized renovation services for churches and educational institutions featuring stained glass integration and architectural preservation. Our team blends functional requirements with artistic elements, as demonstrated in 2016 Inland Empire projects that combined stained glass artistry with structural upgrades.
Shower Enclosures
Custom-designed shower enclosures using premium glass materials with precise measurements and watertight installation. Our residential bathroom remodeling services include decorative options that enhance home value while maintaining practical functionality for daily use.
Tenant Build-Outs
Turnkey tenant improvement solutions for commercial spaces including layout design, partition systems, and door installations. Our 2016 projects included Los Angeles office renovations completed under budget with full cleanup and final adjustments, demonstrating our commitment to timely delivery.
Questions
What types of construction projects does GPA handle?
We specialize in commercial glass installations, residential window/door projects, church renovations, and tenant build-outs across California.
Do you provide warranty service for installations?
Yes, we offer comprehensive warranty service and repair support for all our installations, as stated in our service commitments.
How does GPA ensure project deadlines are met?
Our in-house management of all phases from design to cleanup ensures timely completion, confirmed by client testimonials citing on-time delivery.
Can you work with historic or unique architectural styles?
Yes, our 2016 church projects demonstrate expertise in integrating stained glass artistry with functional architectural requirements across diverse styles.
What areas do you serve?
We primarily serve Los Angeles, Orange County, and the Inland Empire regions of California through our local manufacturing capabilities.
Are permits included in your service process?
Yes, we coordinate all necessary permits and inspections as part of our comprehensive construction management services.