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Updated about 11 hours ago on .

SB-9 allows you to sell 3 out of 4 new units immediately
Unlike ADUs, which must remain under the same property title, San Diego's SB-9 allows homeowners to sell newly built homes separately. This creates a major opportunity for property owners to develop and sell, adding new inventory to the market.
How SB-9 Unlocks Sales Potential
// Separate Ownership
· Homes built under SB-9 can be sold as individual legal parcels.
· ADUs must remain part of the main property and cannot be sold separately.
// More Development Options
· SB-9 allows lot subdivision, creating up to 4 independent units (2 per lot) or a duplex (if no lot split), plus ADUs/JADUs.
· Ideal for homeowners looking to maximize property value through direct sales.
// Key Requirements
· Each new parcel must be at least 1,200 square feet and no smaller than 40% of the original lot.
· Homeowners must live on-site for at least 3 years after the lot split.
· Must follow local zoning rules, including 4-foot minimum setbacks.
· Tenant protections apply. Homes under rent control or affordability restrictions cannot be demolished or altered.
What does this mean for real estate agents? More listings, more sales, and new opportunities to help homeowners maximize their property's value.