California 2025-2026 Regular Session

California Assembly Bill AB1154

Introduced
2/20/25  
Refer
3/10/25  
Report Pass
3/26/25  
Refer
3/26/25  
Report Pass
4/10/25  
Refer
4/10/25  
Report Pass
4/23/25  
Engrossed
4/28/25  
Refer
4/29/25  
Refer
5/7/25  
Report Pass
7/2/25  
Refer
7/3/25  
Report Pass
7/9/25  
Refer
7/9/25  

Caption

Junior accessory dwelling units.

Impact

The impact of AB 1154 is significant for local zoning laws in California, as it mandates that any ordinance allowing for junior accessory dwelling units must comply with newly established guidelines. This includes limiting the number of units to one per residential lot and ensuring that rentals of such units exceed a term of 30 days. By defining these parameters, the bill seeks to address the ongoing housing crisis and promote the utilization of existing residential spaces more effectively. However, the bill also imposes a state mandate on local governments without a requirement for state reimbursement, which could raise concerns about the financial implications for those entities.

Summary

Assembly Bill 1154, introduced by Assembly Member Carrillo, aims to amend existing regulations pertaining to junior accessory dwelling units (ADUs) in California. The bill modifies the current requirements set forth in the Planning and Zoning Law by allowing local governments to permit the creation of junior accessory dwelling units within single-family residential zones. Notably, the bill specifies conditions under which owner-occupancy is required, such as when the junior ADU shares sanitation facilities with the primary dwelling, thereby creating a clearer framework for local agencies to follow.

Sentiment

The sentiment surrounding AB 1154 appears to be mixed among stakeholders. Supporters view the bill positively, considering it a step towards increasing housing availability and allowing families or individuals to generate income through ADUs. They argue that such measures can help alleviate the housing shortage in urban areas. Conversely, critics express concerns about the potential for regulatory burden on local governments, especially considering the lack of mandated reimbursement for costs incurred due to the state’s new requirements. This tension highlights the difficulties in balancing local authority with state-level mandates.

Contention

A notable point of contention surrounding AB 1154 is the stipulation that no reimbursement will be required by local agencies for the costs related to the implementation of this state-mandated local program. Opponents argue that this could strain local budgets and complicate governance, particularly in smaller municipalities that may lack the resources to manage the additional administrative responsibilities. The long-term ramifications of this bill could also provoke further debate on the autonomy of local jurisdictions versus the need for cohesive statewide housing strategies.

Companion Bills

No companion bills found.

Previously Filed As

CA AB932

Accessory dwelling units: Accessory Dwelling Unit Program: reports.

CA SB477

Accessory dwelling units.

CA SB1211

Land use: accessory dwelling units: ministerial approval.

CA AB2533

Accessory dwelling units: junior accessory dwelling units: unpermitted developments.

CA SB1055

Accessory dwelling units: regional housing need.

CA AB976

Accessory dwelling units: owner-occupancy requirements.

CA AB2825

Accessory dwelling units: inspections: housing purposes.

CA AB1033

Accessory dwelling units: local ordinances: separate sale or conveyance.

CA SB1077

Coastal resources: local coastal program: amendments: accessory and junior accessory dwelling units.

CA AB3057

California Environmental Quality Act: exemption: junior accessory dwelling units ordinances.

Similar Bills

CA AB2890

Land use: accessory dwelling units.

CA AB68

Land use: accessory dwelling units.

CA SB1469

Land use: accessory dwelling units.

CA AB932

Accessory dwelling units: Accessory Dwelling Unit Program: reports.

CA AB2071

Accessory dwelling units: owner occupancy.

CA SB831

Land use: accessory dwelling units.

CA AB881

Accessory dwelling units.

CA AB2939

Accessory dwelling units.