California 2025-2026 Regular Session

California Assembly Bill AB306

Introduced
1/23/25  
Refer
2/18/25  
Report Pass
3/5/25  
Refer
3/6/25  
Report Pass
3/12/25  
Refer
3/12/25  
Report Pass
3/12/25  
Refer
3/13/25  
Refer
3/19/25  
Report Pass
3/19/25  
Engrossed
4/1/25  
Refer
4/2/25  
Refer
4/23/25  
Report Pass
5/13/25  
Refer
5/13/25  
Report Pass
6/10/25  
Refer
6/10/25  
Report Pass
6/23/25  

Caption

Building regulations: state building standards.

Impact

Under AB 306, any proposed changes to building standards affecting residential units would have to be deemed necessary by the California Building Standards Commission as emergency standards intended to protect health and safety, thereby limiting local jurisdictions’ authority. This focus on state-level uniformity in building standards aims to provide consistency across California, which may help streamline the construction process and reduce costs associated with multiple local regulations. The bill also expands the definition of model codes which will now require the adoption of current editions of specific building codes, including enhancements related to wildfire risk management.

Summary

Assembly Bill 306 aims to amend various sections of the California Health and Safety Code concerning building standards specifically applicable to residential units. The bill intends to impose a temporary prohibition on local governments, including cities and counties, from making modifications to these building standards from June 1, 2025, to June 1, 2031, unless certain conditions are justified by the state commission overseeing building standards. This legislative decision is part of California's broader strategy to address the ongoing housing crisis by stabilizing the regulatory environment and fostering increased housing production.

Sentiment

The sentiment surrounding AB 306 reflects a polarized situation. Supporters view it as a necessary measure to alleviate the housing crisis, enabling greater efficiency and reduced costs in residential development while maintaining essential safety standards. Opposition voices, however, argue that restricting local authority undermines community adaptability to unique climatic and geographical conditions, potentially leading to safety issues that are more effectively managed at the local level. This ongoing debate highlights the tension between statewide housing mandates and local governance.

Contention

A notable point of contention is the provision that prohibits local governments from establishing more stringent building standards concerning residential units without meeting the outlined criteria. Critics of this aspect argue that it might prevent local populations from adequately addressing their specific environmental challenges, such as in areas prone to wildfires or flooding. The bill emphasizes that the changes are a matter of statewide concern, thus overriding local governance principles, which could lead to future legal challenges regarding the balance of state and local powers in building regulations.

Companion Bills

No companion bills found.

Previously Filed As

CA SB1465

State building standards.

CA AB468

State building standards.

CA AB2910

State Housing Law: City of Los Angeles: conversion of nonresidential buildings.

CA AB2934

Residential developments: building standards: review.

CA SB597

Building standards: rainwater catchment systems.

CA SB634

Low Barrier Navigation Center: opportunity housing: use by right: building standards.

CA SB745

The Drought-Resistant Buildings Act.

CA SB1395

Shelter crisis: Low Barrier Navigation Center: use by right: building standards.

CA AB1101

Building standards: exterior elevated elements: inspection.

CA AB2787

Energy: building standards: photovoltaic requirements.

Similar Bills

CA AB130

Housing.

CA SB130

Housing.

CA AB660

Planning and Zoning Law: postentitlement phase permits: Housing Accountability Act.

CA AB2234

Planning and zoning: housing: postentitlement phase permits.

CA AB3068

Adaptive reuse: streamlining: incentives.

CA SB423

Land use: streamlined housing approvals: multifamily housing developments.

CA SB1512

Housing omnibus.

CA AB1329

Building codes: earthquakes: functional recovery standard.