Business Details
15 Years
experience
Your Trusted Partner for Premium Doors & Windows in Southern California
Cornerstone Openings has been a trusted provider of premium windows and doors in Southern California since 2011. Our company was founded on the principle of delivering exceptional value through a combination of high-quality products, expert guidance, and comprehensive service. With over two decades of combined experience in the industry, our team specializes in curating systems from leading brands known for their quality, performance, and timeless design. We pride ourselves on offering competitive pricing without compromising on the excellence of our products or the integrity of our service. Our end-to-end approach ensures that every project, from initial design consultation to final installation, is executed with precision and care. We manage logistics seamlessly, coordinating directly with builders and project managers to schedule deliveries that minimize disruption and protect our clients' investments.Our expert installers are trained in the latest techniques and adhere strictly to manufacturer specifications, ensuring every installation meets the highest standards of craftsmanship. We stand behind our work with a commitment to ongoing support, ensuring our clients' complete satisfaction long after the project is complete. Our reputation has been built on consistent delivery of superior results, as evidenced by numerous testimonials from satisfied customers across Orange County and San Diego. We are dedicated to maintaining our position as a service-focused provider that consistently exceeds expectations in both product quality and customer experience.
Services
Windows
Doors
Design Consultation
Installation
Logistics Coordination
Support Services
Showroom Services
Custom Solutions
Product Selection
Project Management
Details
- Year established: 2011
Highlights and features
- We offer 25+ years of industry experience through our founder's hands-on expertise
- Our end-to-end service includes design consultation, logistics, and precision installation
- We maintain partnerships with leading brands like LaCantina and Western Window Systems
- Our team provides responsive support throughout the entire project lifecycle
- We guarantee manufacturer-specification compliance for all installed products
What people say
Exceptional service
Seamless experience
Superior results
Attention to detail
Highly recommend
Services
Windows
Our premium window solutions combine cutting-edge design with proven performance. We offer a curated selection from industry-leading brands that meet strict quality standards for energy efficiency, durability, and aesthetic appeal. Our specialists help clients choose optimal window systems that enhance natural light while maintaining structural integrity and climate control.
Doors
We provide high-performance door systems that balance security, functionality, and architectural harmony. Our collection includes modern sliding systems, traditional entry doors, and specialty configurations from top manufacturers. Each installation follows precise measurement protocols to ensure perfect fit and long-term operational reliability while maintaining aesthetic continuity with property design.
Installation
Our certified installers complete projects with meticulous attention to technical specifications and finish quality. Using manufacturer-approved techniques, we ensure proper alignment, weatherproofing, and operational smoothness for all window and door systems. Each installation concludes with a comprehensive quality inspection and client walkthrough to verify complete satisfaction with the final results.
Design Consultation
Our consultative approach begins with understanding client vision and architectural context. We help visualize transformations through tailored product recommendations that optimize space functionality and aesthetic impact. Our specialists create customized solutions that integrate seamlessly with existing structures while achieving desired indoor/outdoor connectivity and design cohesion.
Logistics Coordination
We handle complete logistics from manufacturing to final delivery, maintaining strict quality control throughout the supply chain. Our team coordinates timing with builders and contractors to prevent project delays, providing secure storage and climate-controlled protection for all materials. This comprehensive approach ensures timely arrivals and minimizes disruption during property renovations or new constructions.
People
Sean Scholl
Founder and CEO
With over 25 years in the window and door industry, Sean established Cornerstone Openings in 2011 to create a service-focused provider. His hands-on leadership emphasizes client-first principles and technical excellence.
Dave Raigosa
Showroom Manager Costa Mesa
Dave leads our Costa Mesa showroom operations with extensive product knowledge and customer service expertise. He specializes in helping clients visualize space transformations through tailored window and door solutions.
Will Bentinck
Partner Dana Point
Will oversees Dana Point operations with a focus on client consultation and project coordination. His expertise ensures seamless integration of premium products with diverse architectural styles across Southern California.
Josh Cole
Partner San Diego
Josh manages San Diego showroom services, combining technical knowledge with personalized guidance. He helps clients select optimal solutions while maintaining strict quality control standards for all installations.
Luke Smith
Service Manager Dana Point
Luke coordinates post-sale support and maintenance services in Dana Point. His team ensures long-term product performance through proactive service solutions and technical expertise.
Questions
What areas do you serve?
We serve Orange County and San Diego with showrooms in Costa Mesa, Dana Point, and La Jolla. Our installation services cover all surrounding communities in Southern California.
What brands do you carry?
We offer products from industry leaders including LaCantina, Western Window Systems, Kolbe Windows & Doors, Euroline Steel Windows & Doors, and Awake Windows & Doors.
How does your installation process work?
Our process includes initial consultation, product selection, logistics coordination, and precision installation. We handle all scheduling and provide regular updates to ensure seamless execution with minimal disruption.
Do you offer financing options?
We currently do not offer financing options but can provide detailed project cost breakdowns to help clients plan their budgets effectively.
How can I schedule a consultation?
You can schedule a consultation through our website contact form or by calling any of our showroom locations directly for immediate assistance.
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