Adopted August 19, 2026. The Board of Forestry approved the statewide Zone 0 regulation. It is not yet in effect: review by the Office of Administrative Law comes next. What changes, and when.

About

Why this publication exists

In the months after the January 2025 fires, California homeowners started receiving mail that said the same thing in different fonts: Zone 0 is the law, replace your fence now. It wasn't the law when those mailers went out, and statewide it still is not. On August 19, 2026 the Board of Forestry approved the regulation, which is a real milestone and not the same as an effective date: Office of Administrative Law review (including a five-day public comment period) and publication by the Secretary of State come first, and no statewide compliance deadline is running until that finishes. Somewhere between the real regulation (now adopted, and consequential) and the marketing (which is often wrong), homeowners have been left to price five-figure fence replacements against rules nobody had actually read to them.

The Zone Zero Report exists to be the boring, accurate middle: the regulation text, the deadlines that are real, the materials science, the insurance mechanics, and (just as important) the things you are not required to do.

Editorial standards

How this site is funded

We are building three things alongside this publication: DIY Zone Zero gate and transition kits, a contractor matching network, and a compliance documentation pack. That's the business, and it's disclosed on every page where it appears.

The standard we hold ourselves to: the editorial never inflates the rule to sell the product. The opportunity is real enough without exaggeration: an insurance regulation binding since 2022, six local ordinances already in force, and a statewide rule now adopted and waiting on its effective date. If we ever need the facts to be scarier than they are, we've already lost.

Corrections

Found an error, whether a date, a cite, or a characterization? Email [email protected]. Corrections are made in the text with a dated note.