ADU separate conveyance zoning amendment (AB 1033)
South San Francisco
Summary
New state guidance raises the maximum number of accessory dwelling units allowed on a lot — up to four on a single-family lot. Staff cautioned that most South City lots are too small for that in practice, and the city offers handouts and a county ADU resource center to help homeowners navigate the rules.
At a glance
- Total mentions
- 3
- Last 30 days
- 1
Discussed at 1 meeting in the last 60 days; most recently Oct 15, 2026.
Impact analysis
No direct cost; could expand housing options for homeowners willing to build ADUs.
Homeowners who want to add rental or family housing units, and renters seeking more housing options.
Mentions & discussions (3)
Planning Commission — October 15, 2026
The city is considering a zoning text change that would let homeowners sell or convey their accessory dwelling units separately from the main house, as newly allowed under state law AB 1033. The item was continued so staff can further study it.
South San Francisco updates ADU rules to reflect state laws
South San Francisco updates ADU rules to reflect state laws San Mateo Daily Journal
Planning Commission — July 16, 2026
New state guidance raises the maximum number of accessory dwelling units allowed on a lot — up to four on a single-family lot. Staff cautioned that most South City lots are too small for that in practice, and the city offers handouts and a county ADU resource center to help homeowners navigate the rules.
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