Orange County Construction is a Huntington Beach-based general contractor with one of the longest track records in Orange County. Owner Keith Daigneault has been building in the OC since 1985 — 40 years in the same market, same owner. The company specializes in ADUs, garage conversions, room additions, and full home remodels. Keith works directly with every client from start to finish. Design, plans, permits, and construction all handled in-house.