ADU Construction in Costa Mesa, CA

Costa Mesa lots run smaller and tighter than a lot of Orange County, which makes layout the whole game — every foot of a detached ADU has to earn its place next to the driveway, the fence line, and whatever’s already backed up against your property line. We’re used to designing around it: a lot of our Costa Mesa clients are multigenerational households looking for a private unit for parents or grown kids without adding a room to the main house.

Interior of an ADU built by Busy Bee Construction in Costa Mesa, CA

We manage City of Costa Mesa permitting and inspections start to finish, including the setback and parking requirements that trip up a lot of smaller-lot ADU projects.

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