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Doors, Frames and Hardware

We specialize in Large Scale Multifamily Housing as well as Sports Venues, Commercial and Hospitality projects that require extensive capacity and attention to the smallest details. In-House independent Specification Writing department. Proven track record throughout California. Safety Record of Performance and EMR under 0.7.

Architectural Millwork / Finish Carpentry

Our unique model was planned around design-build project work by an experienced team with expertise in Design-Build projects and an in-House independent Specification Writing Department. RLC can budget, VE, design, model realtime millwork changes as the project evolves in design. Owners + GC's get what they want for less cost.

Low Voltage

We offer Low Voltage solutions complete with Access Control Entry, door lock, elevator control, CCTV, perimeter lock control, common areas, and more! Specially designed for high-rise residential properties and common areas to achieve high security and ease of use by operating from the platform. 

With over 40 years of experience in the Low voltage industry, RLC is prepared and more than qualified to assist in a 10 door retrofit or a complex multi-year billion-dollar construction project.

Design - Build

RLC is a design-build Interior sub-contractor specializing in Interior scopes such as Doors, Frames & Hardware and Millwork, Finish Carpentry and Specialty Metals, and Low Voltage. Our unique value is that we can offer full design-assist support. From doors, frames, and hardware schedules and specifications to Millwork renderings/drawings, and full Access Control design. All these services are in-house. Our team works within a client’s budget and maintains design intent to bring a project in on budget. RLC provides value that our competition does not. 



We work with numerous admired companies and above is only a small portion 

Retrolock Corp. (RLC) is a WBE/CBE Certified business based in Orange, California, with an additional location in Livermore, CA.

We provide Interior Finish Solutions – Doors, Frames and Hardware, Millwork, Decorative Metals, and Finish Carpentry with install. 


Our current markets include Multifamily Housing, Sports & Entertainment Venues, Higher Education, Behavioral Facilities, Hospitals, and High-End Hospitality. 

Some of our clients include Build Group, Lendlease, Carmel Partners, Turner Aecom, Suffolk Construction, Pankow, JH Snyder, Shawmut, Webcor, Signature Healthcare, Swinerton and many more.

RLC is Unique. Our value as a design-build partner is not merely in delivering a product, Instead, our value is in providing Turn-Key services in establishing budgets, designs and pricing.

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Orange - HQ / Warehouse

210 W Taft Ave., Orange, CA 92865

Tel: (626) 269-6827

Fax: (626) 965-2819


To apply for a job with RLC, please send a cover letter and resume to


For any inquiries, questions or recommendations, please call (626)269-6827 or email us at