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California State overlays

All 8 tracked preemption laws for California.

Overview

All tracked preemption laws for California. Click any law for its trigger predicate, preempted fields, and source citation.

Laws tracked
8
Preempted fields
21
Required city attrs
7
Last reviewed
2026-04-19
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Tracked laws

California SB 423 — Streamlined Multifamily Approval2 fields
Effective
2024-01-01 → 2036-12-31
Authority
state · scope: state:CA
ID
CA_SB423_STREAMLINED_MINISTERIAL_2024
Open detail →
California AB 2011 — Affordable Housing and High Road Jobs Act2 fields
Effective
2023-07-01
Authority
state · scope: state:CA
ID
CA_AB2011_COMMERCIAL_MF_2023
Open detail →
California AB 2097 — Parking Mandate Elimination Near Transit1 field
Effective
2023-01-01
Authority
state · scope: state:CA
ID
CA_AB2097_PARKING_WAIVER_2023
Open detail →
California SB 9 — Housing Opportunity and More Efficiency (HOME) Act4 fields
Effective
2022-01-01
Authority
state · scope: state:CA
ID
CA_SB9_LOT_SPLIT_DUPLEX_2022
Open detail →
California SB 10 — Local Upzoning Authorization0 fields
Effective
2021-01-01
Authority
state · scope: state:CA
ID
CA_SB10_UPZONING_OPTION_2021
Open detail →
California ADU / JADU By-Right4 fields
Effective
2020-01-01
Authority
state · scope: state:CA
ID
CA_ADU_JADU_GC66411_7
Open detail →
California Builder's Remedy5 fields
Effective
1990-01-01
Authority
state · scope: state:CA
ID
CA_BUILDERS_REMEDY_GC65589_5
Open detail →
California Density Bonus Law3 fields
Effective
1979-01-01
Authority
state · scope: state:CA
ID
CA_DENSITY_BONUS_GC65915
Open detail →

Required city attributes

Required city attributes

The evaluator needs these city-level facts present to resolve whether a given law's predicate fires.

  • population
  • county_population
  • housing_element_status
  • sb423_tier
  • is_in_coastal_zone
  • is_charter_city
  • transit_proximity_flags.has_qualifying_transit_stop_under_ab2097