Possible Development Scenarios under SB-9 San Francisco

Posted on
January 27, 2022

Scenario 1

Two units + ADU & Not Lot Split

SB-9 Parcel Development Scenarios for Projects that do not use the Lot Split Provision Without the lot split provisions, an SB-9 project could either demolish an existing single-family house and construct a new duplex, or convert the existing single-family structure into a duplex. This type of project does not require owner occupancy after project application (unlike those also pursuing a lot split). Neither unit would be subject to rent control, and the units could be sold as condominiums at project completion. Parcels of any size are eligible for SB-9 development without a lot split, and although there are no minimum or maximum unit sizes required by SB-9, the City must allow each unit to be at least 800 square feet. The Accessory Dwelling Units that may be added in this scenario are State Program Accessory Dwelling Units.

Two units + ADUs without Not Lot Split
SB-9 two units and ADU

If you wonder how the new zoning regulations influenced the value of your property, check your address here.

Scenario 2

Two units + ADUs & Lot Split

SB-9 Parcel Development Scenarios for Projects that also use the Lot Split Provision. The second path for SB-9 development is to split a single-family lot into two lots. Both lots must be at least1,200 square feet. Neither lot can be more than 60% of the size of the original lot. This type of project requires an affidavit from the applicant that they intend to occupy one of the housing units as their principal residence for a minimum of three years from the date of the approved lot split, unless the applicant is a community land trust or a qualified nonprofit corporation. None of the primary units created on a parcel that was split under SB-9would be subject to rent control, and the units could be sold independently at project completion. The Accessory Dwelling Units that may be added in this scenario are State Program Accessory Dwelling Units.

SB-9 Two units  ADU with Lot Split
SB-9 Two units + ADUs & Lot Split

SB-9 is a very exciting new law for home owners and home buyers but not all the single family lots are eligible. So, first you need to check if the property is eligible for SB-9.

We'll stay in touch!

Felicia Nitu,
— CEO and Co-founder, CityStructure
Felicia Nitu - Founder and CEO of CityStructure

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