California 2025-2026 Regular Session

California Senate Bill SB9

Introduced
 
Introduced
12/2/24  
Refer
1/29/25  
Report Pass
4/23/25  
Refer
4/24/25  
Report Pass
4/23/25  
Refer
4/28/25  
Refer
4/24/25  
Report Pass
5/7/25  
Refer
4/28/25  
Report Pass
5/7/25  
Engrossed
5/28/25  
Engrossed
5/28/25  
Refer
6/5/25  
Report Pass
6/18/25  
Refer
6/19/25  
Report Pass
7/17/25  
Enrolled
9/3/25  
Chaptered
10/10/25  
Enrolled
9/3/25  
Passed
10/10/25  

Caption

Accessory Dwelling Units: ordinances.

Impact

The passage of SB9 significantly impacts local government authority over housing regulations, particularly concerning ADUs. It aims to streamline the process for creating these units and ensure consistency in their regulation across the state. This law effectively empowers the state to oversee local ordinances, preventing those that do not adhere to state standards from being enacted. As such, it intends to facilitate housing development and potentially address housing shortages in areas where ADUs can be beneficial.

Summary

Senate Bill No. 9 focuses on the establishment and regulation of accessory dwelling units (ADUs) by local agencies within California. It mandates that local agencies must submit any ordinance related to ADUs to the Department of Housing and Community Development (DHCD) within 60 days of adoption. Additionally, if an ordinance is found non-compliant with state standards, the local agency is required to amend the ordinance or adopt it unchanged with adequate justification. Failure to comply could result in the ordinance being rendered null and void, leading to standard state regulations applying instead.

Sentiment

The sentiment around SB9 is mixed, reflecting a split among stakeholders. Supporters, particularly housing advocates and some legislators, view the bill as a necessary step to enhance housing availability and address California's housing crisis. Critics, however, assert that it encroaches on local control, arguing that local governments are better positioned to understand and address their specific housing needs. This dynamic creates a significant tension between state-wide mandates and localized governance.

Contention

Key points of contention arise from the balance between state oversight and local authority. Advocates for local governance express concerns that the bill could undermine community-specific needs and priorities regarding land use and housing. The broad compliance requirements could also lead to difficulties for local agencies in the implementation phase, especially regarding the timeline for ordinance submissions and amending existing regulations to meet state expectations.

Companion Bills

No companion bills found.

Previously Filed As

CA SB543

Accessory dwelling units and junior accessory dwelling units.

CA SB1117

Accessory dwelling units and junior accessory dwelling units.

CA AB462

Land use: accessory dwelling units.

CA SB1196

Accessory dwelling units and junior accessory dwelling units: electrical service connections.

CA AB1154

Junior accessory dwelling units.

CA SB1122

Planning and zoning: annual progress report: accessory dwelling unit ordinances.

CA HB2928

Accessory dwelling units; requirements

CA SB1105

Rental; accessory dwelling units; prohibition

CA AB2127

Accessory dwelling units: private sewage disposal systems.

CA SB1183

Accessory dwelling units; fire sprinklers

Similar Bills

No similar bills found.