ADU Construction in Huntington Beach
Serving 92646 · 92647 · 92648 · 92649 and Costa Mesa, Fountain Valley, Westminster
Tract lots in Huntington Beach are often regular and rectangular, which is a good starting point for a detached ADU — regular lots make setback arithmetic straightforward and leave fewer awkward leftovers. The variables that decide feasibility are usually existing coverage, rear access and where the services already run, not the shape of the parcel.
Adding a second unit to a tract lot
What decides feasibility
Setbacks, lot coverage, access for construction and the route for water, waste and power. On a regular lot these are usually resolvable; the point of checking early is to find the one that is not.
Coastal zone and new construction
A detached ADU is new construction. Inside Huntington Beach's coastal zone that means the city's certified Local Coastal Program is part of the picture, and the specific plan area matters. Inland addresses avoid this entirely.
Written by Onn Cohen-Meguri, founder and designer at Design Onn Point. Onn has spent 20+ years designing and building in Los Angeles. CSLB #1133368.
Pricing in Huntington Beach
Market estimate, not our own project data.
Talk to Onn about your Huntington Beach adu construction.
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