Arcadia, CA - Arcadia City (.gov)

The City of Arcadia has implemented Senate Bill 9 provisions that allow property owners to split single-family residential lots, marking a significant shift in California's approach to addressing the housing shortage.

SB 9, which took effect statewide in January 2022, permits homeowners to divide their single-family lots into two separate parcels and build up to four housing units total, effectively enabling duplexes on previously single-family-only properties.

This legislation represents one of the most substantial changes to California zoning laws in decades, aimed at increasing housing density in established neighborhoods.

For Arcadia property owners, the lot split provisions create new opportunities to maximize property value and contribute additional housing units to the market.

The implementation allows eligible homeowners to subdivide their lots without going through the traditional, often lengthy subdivision process, though local jurisdictions retain authority to establish objective design and development standards.

Property developers and homeowners considering lot splits must still comply with local building codes, setback requirements, and other municipal regulations.

The changes particularly benefit owners of larger single-family properties who can now unlock additional value while helping address California's housing crisis, though the actual feasibility depends on individual lot characteristics, local zoning constraints, and infrastructure capacity in specific neighborhoods.