Lot splits and SB9 projects
California’s SB9 allows qualifying single-family parcels to be split, and additional units to be built, in ways that weren’t permitted before. We handle lot splits and SB9 projects alongside our ADU work — from the initial feasibility check through the parcel map and, if you want it, the build.
Whether a specific property qualifies depends on the parcel and on how your city has implemented the law. That’s the first thing we’ll check.
How a lot split works
Three stages, and we’ll tell you at the end of the first one whether it’s worth continuing.
Feasibility review
We look at your parcel — zoning, lot size and shape, easements, existing structures, and your city's local SB9 ordinance — and tell you whether a split is realistically on the table.
Survey & tentative map
If it pencils, we coordinate the survey and prepare the parcel map application, working with the civil engineer and surveyor.
Submittal & build
We manage the city submittal and follow-through, then manage construction on the resulting lots if you choose to build.
Not every parcel qualifies
SB9 sets conditions on lot size, prior splits, existing tenancy, historic designation, and owner-occupancy, and cities apply their own objective standards on top. We’d rather tell you early that a property doesn’t work than sell you a study that ends the same way. Nothing on this page is legal advice.
See whether your property qualifies
Send us the address and we'll do the initial zoning and eligibility check.