ADU Parking Rules in California: When You Need a Space and When You Don't
Parking stopped your ADU project before it ever reached a permit desk. Your neighbor had the same problem, backed down, and shelved a plan that would have paid for itself in rent. California law has been rewritten in recent years to remove most of those barriers -- but the rules are layered enough that homeowners and some contractors still treat them like they haven't changed. This post maps when a parking space is required, when you're exempt, what myths keep projects stalled, and how to audit your lot before you spend anything on design. When Does California Law Require Parking for an ADU? State law limits what cities and counties can demand from a standalone adu on a residential lot. Local parking requirements only apply where none of the state exemptions kick in first -- and several exemption categories exist. Most California properties qualify for at least one. When a space is required, the cap is low. Jurisdictions can require at most one space per bedroom or one per ...