As wildfires, water damage, and housing challenges continue across Southern California, Assembly Bill 306 (AB 306) could shift how homes are rebuilt across Los Angeles, Orange, and Riverside Counties. If enacted, this bill freezes all updates to California’s residential building code through 2031. For new home builders and those renovating after disaster, this creates a consistent and predictable foundation for project planning.
What Is Assembly Bill 306?
Backed by Assemblymember Nick Schultz and Speaker Robert Rivas, AB 306 calls for a suspension of code updates that affect residential building guidelines—such as fire resistance, plumbing, electrical, energy efficiency, and seismic safety. The only exceptions allow safety-driven or cost-reducing changes. This means, if you’re rebuilding in Southern California after a wildfire or flood, your standards remain unchanged through January 2032.
How AB 306 Could Help With Post-Disaster Rebuilding
Sticking to rebuilding plans after disaster is critical. Delays caused by changing codes often disrupt already difficult situations. AB 306 gives homeowners and developers a way to move faster with less interruption.
- Consistent Code Requirements
With codes held steady, you can design, permit, and build without adjusting for annual or local regulation changes. That predictability saves time and reduces risk across all stages of construction. - Lower Upfront Construction Costs
New codes often require materials or systems with higher price tags—like advanced insulation or updated fire protections. Those features can stretch budgets thin, especially for families facing insurance shortfalls after a disaster. - Streamlined Permitting
If you’re building in communities like Tustin, Pasadena, or the Inland Empire, a stable code means fewer plan revisions and less waiting for re-approvals due to mid-project rule changes.
According to industry estimates, changes in residential code standards over the last 15 years have raised commercial construction costs by as much as $117,000 per home. Freezing these shifts could be a direct cost control measure for many families trying to rebuild quickly and affordably.
Are There Trade-Offs With a Code Freeze?
Critics—from engineers to clean energy advocates—are concerned that freezing the code might slow down progress in disaster resistance and efficiency. These groups argue that with today’s climate risks and technology shifts, keeping codes flexible helps future-proof our homes.
- Delays in Life-Saving Improvements
New designs may better protect your home from wildfires or seismic events. - Lost Energy Savings
More efficient mechanical systems and smart technologies could lower long-term power bills but may remain optional under a freeze. - Lack of Adaptability
Certain upgrades aligned with evolving environmental trends may not be allowed until after the freeze lifts.
California’s housing and climate experts often emphasize that building standards should grow along with our exposure to new risks—from higher wildfire frequency to stronger storms affecting coastal and canyon areas.
Impact on Affordable Home Construction
For developers and individuals working on tight margins, stability in regulatory requirements has become a key factor in successful delivery of affordable housing. Nonprofit homebuilders, in particular, have backed AB 306, citing fewer delays and better control over budgets.
Assemblymember Chris Ward, who supports construction reform, says the bill directly addresses housing costs. In communities like Lake Elsinore, Santa Ana, and northeastern LA, where rapid redevelopment is needed after disasters, a consistent code will bring structure to a process that can often feel uncertain.
What’s Next: Timeline and Potential Changes
The State Assembly has already approved the bill nearly unanimously. The State Senate is reviewing it now and evaluating possible refinements—such as allowing emergency or cost-saving code changes during the freeze period.
If AB 306 passes, it will become law on June 1, 2025. The freeze would precede California’s next code cycle set for 2026 and would hold until January 2032.
What Homeowners Should Know
If you’re building new or rebuilding after damage, stabilizing the codes can simplify your planning and help reduce costs. Still, every situation is unique. We recommend speaking with your general contractor and the city’s building department to clarify what codes currently apply. If you’re building in places like Yorba Linda or Rancho Cucamonga, knowing the standards early makes it easier to move forward with confidence.
At Varsity, we help homeowners and developers across Southern California understand how policy shifts like AB 306 may affect design, materials, and timelines. Whether you’re starting from scratch, rebuilding after disaster, or upgrading what you already have, our team stays ahead of local construction standards so you don’t have to. Let’s turn your vision into a home that works today—and holds strong for tomorrow.