California Assembly Bill AB1815

California 2025-2026 Regular Session

• Introduced: 2/10/26
• Refer: 3/19/26
• Report Pass: 3/19/26
• Refer: 3/23/26
• Report Pass: 4/23/26
• Refer: 4/28/26

Caption

An act to amend Sections 19969.3, 19971, 19972, 19975.1, 19976.05, and 19993 of, and to add Sections 19970.1 and 19971.1 to, the Health and Safety Code, relating to housing.

Impact

This bill is expected to impact state laws by centralizing authority over building standards for factory-built housing at the state level, limiting local government discretion. It aims to expedite the approval and construction of affordable housing projects, which are crucial to meet the significant demand for housing across various income levels in California. By potentially simplifying the regulatory environment for factory-built housing, it seeks to encourage development in a sector that often faces operational hurdles due to complex local regulations.

Summary

Assembly Bill 1815, also known as the Factory-Built Housing: Building Standards Bill, aims to amend certain provisions in the California Health and Safety Code related to factory-built housing. The bill specifically prohibits local governments from enforcing building standards that exceed state minimum standards set forth in the California Building Standards Code for housing projects that utilize factory-built housing, provided that at least 15% of the project's hard costs are allocated to factory-built housing that has the necessary approval insignia from the Department of Housing and Community Development. This legislative change is part of a broader initiative to enhance housing availability across California, addressing the growing housing shortage issue in the state.

Sentiment

The sentiment around AB 1815 appears to be cautiously optimistic among supporters who believe that it offers a necessary solution to California's pressing housing crisis. Proponents argue that by maintaining a balance between state standards and local input, the bill will lead to more efficient construction practices and ultimately increase housing stock. However, there is some concern and pushback from local officials who feel that this bill undermines local control over building standards and planning processes, which can be essential for meeting community-specific needs and ensuring safety.

Contention

Notably, one of the contentious points surrounding AB 1815 is the potential for increased state mandates on local jurisdictions without corresponding financial support. Although the bill stipulates that no reimbursement will be required for costs incurred due to these changes, critics worry that this could lead to additional financial strain on local governments, which may be forced to absorb the burdens of implementing state-mandated programs without adequate resources. This aspect highlights a prevailing tension between state oversight and local governance in shaping housing policy.