Superior quality craftsmanship throughout California since 1982.

California’s Premiere Contractor since 1982

Construction. Design. Forensics.


Generations of Craftsmanship

We are a full-service general contractor with over 38 years of experience in single-family, multi-family, mixed-use, mid-rise and high-rise developments. OCBS specializes in a range of services, including structural restoration, reconstruction, structural retrofitting, above and below-ground waterproofing, commercial property services, historical building restoration, new build construction, as well as general contracting. Nearly four decades in the construction industry have ingrained in us an unparalleled understanding of our client and project needs. This knowledge and experience allows us to take your project from inception, through all stages of construction, to a quality finished product.


About SB 721

Learn more about California’s new deck inspection bill. Schedule yours today.

OCBS was professional, dependable, and reliable. My home was actually cleaner after they left then when they got here
— Louise S. (home owner)


As the President of a large HOA we have over 400 homes in our community. We carry nearly a 10 year history with nothing but positive experiences. We have occasionally tried other contractors and had nothing but regrets. Time and time again OCBS has proved that their quality of workmanship is difficult for any company to come close to.
— Jason Ip, President, Avenue One Homeowners Association
Everyone’s performance, from the workers on site to the office accounting staff, was truly first class. We were treated as though we were your only project. We had your undivided attention.
— John Kozarovich, President, Seacliff Court Homeowners Association
(OCBS) personnel, at all levels, have displayed a high level of expertise and professionalism...In my twenty plus years of construction-related experience, I have yet to work with a contractor of this size exemplifying such quality, care, and integrity
— Michael G. Moore, President, Crosspointe Village Homeowners Association
It has been a pleasure to work with OCBS. Its team listens to our concerns and executes on schedule and on budget. The staff is responsive and its services are extensive. Homeowners for whom OCBS has done work are impressed with not only its expertise and high quality workmanship but also its care and respect for people and property
— Bridgeway Mills Homeowners Association



Our tireless dedication, expertise in the field, acclaimed customer service, and thoughtful attention to detail are what shaped our character as a company and earned OCBS a reputation that is unrivaled in our trade. Our continual pursuit of excellence in craftsmanship and commitment to customer service are why our clients continue to choose OCBS over our competitors.