|Name||State Accessory Dwelling Unit Code|
|Zoning Districts||Single-Family and Multifamily Residential Use|
|Municipal Code||Title 7, Div 1, Chap 4 Zoning Regulations, Section 65852.2 – Accessory Dwelling Units|
|Authority||California Department of Housing & Community Development (HCD)|
(a) (1) A local agency may, by ordinance, provide for the creation of accessory dwelling units in areas zoned to allow single-family or multifamily dwelling residential use.
To learn more The California Department of Housing and Community Development (HCD) has prepared the Accessory Dwelling Unit (ADU) Handbook (updated December 2020) to assist local governments, homeowners, architects, and the general public in encouraging the development of ADUs. It provides a brief history and summary of recent legislation that amended ADU law: AB 3182 (2020) and SB 13, AB 68, AB 881, AB 587, AB 670, and AB 671 (2019). Please see Attachment 1 for the complete statutory changes for AB 3182 (2020) and SB 13, AB 68, AB 881, AB 587, AB 670, and AB 671 (2019).
California Building Standards Commission
2525 Natomas Park Drive, Suite 130
Sacramento, CA 95833
California Department of Housing and Community Development (HCD)
2020 W El Camino Avenue
Sacramento, CA 95833
Updated: Loran – January 2021
THIA will be constantly updating the legislation data. Check back often. Suggest A Correction if you are aware of any missing or incorrect information. AND keep scrolling to learn more about getting guidance.
Building Code — Legislation that speaks to how to construct a tiny house.
Zoning Code — Legislation that speaks to how the lot will be used.
ADU — Accessory Dwelling Unit
DMV — Division of Motor Vehicles
IB — Industrialized Buildings
IRC — International Residential Code
PUD — Planned Unit Development
RV — Recreational Vehicle
SF — Single Family Dwelling
T — Transitional Housing
UDO — Unified Development Ordinance
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