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Welcome to Douglass Design + Build

Delivering the highest quality results at the best possible value.

Douglass Design + Build (DD+B) is an experienced, full-service design-build firm serving the Greater Los Angeles area. Providing the expertise of a large general contractor with the personalized approach of a smaller firm, we forge lasting partnerships built on honesty, collaboration and results. At DD+B, our work is guided by three simple tenets: We deliver quality. We deliver value. And we deliver on our promises.

Services & Markets


Ground-up Construction

Production + Light Industrial Facilities

Office Space + Multi-tenant Office Properties

Mixed-Use + Multifamily

Ground-up Construction

Production + Light Industrial Facilities

Office Space + Multi-tenant Office Properties

Structural + Seismic

Seismic Retrofitting

Concrete + Steel Compliance

Education + Institutional

Safe Worksites

Budget + Resources Maximization

Strategic Work Plans for Occupied Campuses


Tenant Improvement + Renovation

Food & Beverage Design + Construction

Our Clients Love Our Work

DD+B is very oriented to meeting and exceeding the client and owner’s expectations for quality, budget and schedule. We have found that the culture of DD+B is very consistent, and provides a team effort to complete projects on time and on budget. Kevin’s team knows when to ask questions and when to move ahead. There is never a ‘problem’ on a project only a challenge requiring a solution. These solutions are found through dialogue between the Architect/Designer, the Tradesmen, and the Client. Kevin demonstrates a thorough understanding of construction and the construction process and his work is well coordinated and well organized. His project management and attention to detail are assets throughout the project.
Catherine McKenna | Principle
Catherine McKenna Architects, LLP
Douglass Design + Build was a pleasure to work with on our retail build out. The condition of the building and municipal codes created several challenges for the master plan. In each instance, Kevin and his team came up with realistic solutions to keep the project tracking on time and on budget. The transformation of the space from a former municipal garage to a modern, cutting edge retail operation was truly amazing. Our client and all involved in the project are grateful for the professionalism and quality of workmanship provided by Kevin and his team at Douglass Design + Build.
Timothy Johnson | Retail Services Executive
Giant Bicycle USA
Douglass Design + Build took a blank warehouse and made our vision for a world-class office and kombucha manufacturing site a reality! Kevin and his team supported us in every way with limited change orders and great-communication. Kevin offered a lot of great ideas to enable Health-Ade to move to the next level without simply ramping up cost. We’re so thankful to DD+B and we couldn’t be happier with the process and outcome.
Justin Trout | COO/Co-Founder
Health-Ade, LLC
As a structural engineer, I consider DB+B a partner in always delivering client-focused high-quality results. Because the DD+B team thrives on solving problems, I strongly prefer having them as part of any challenging project. Not only can I rest assured the construction will be of very high quality, but also that I have a collaborative partner who will make my design even better. It is a joy to work with the DD+B team.
Jim McDonald | Associate Principal
Simpson, Gumpertz & Heger