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.

County guide

Zone 0 in Alpine County: the smallest county wired its code to the statute Zone 0 lands in

Status check (August 19, 2026): The Board of Forestry approved the statewide Zone 0 regulation on August 19, 2026. It is not yet in effect: the package still needs Office of Administrative Law review (including a five-day public comment period) and publication by the Secretary of State, and no compliance deadline is running yet. Separately, at least nineteen local jurisdictions have their own Zone 0 rules in force now. See the live status tracker.

The short version

  • Alpine County has no Zone 0 rule in force. What it has is more interesting: county code section 8.20.090 requires everyone with a building on flammable-covered land to maintain defensible space in compliance with Public Resources Code section 4291 "as currently exists and as may be amended in the future."
  • That sentence makes Alpine the most explicit county-level member of a club we track: local codes wired to the state's defensible space law by reference. AB 3074 wrote the ember-resistant zone into section 4291 itself, so the day the state's Zone 0 regulation becomes operative, Alpine's own chapter may carry it, with the county's nuisance-abatement machinery behind it.
  • We had this from a 2008 archive and flagged it as needing verification. It is now verified from the county's current code, which was rewritten in 2018 and is codified through July 7, 2026. The 2018 rewrite kept the sentence.
  • Nothing in the county code regulates fence materials or the first five feet, and California's least populous county has no incorporated cities to check.

Two sets of rules, and one of them is listening to the other

As of August 23, 2026 we could find no Zone 0 or ember-resistant-zone requirement in force in Alpine County. But this county earns a different sentence than the other negatives, because its fire chapter is built to follow state law wherever state law goes. Chapter 8.20, Fire Restrictions and Fuels Reduction, rewritten by Ordinance 727 in 2018, puts the duty this way in section 8.20.090: a person who owns or maintains a building "in, upon, or adjoining any mountainous area, forest-covered lands, brush-covered lands, grass-covered lands, or any land that is covered with flammable material shall at all times maintain defensible space in compliance with the requirements of Cal. Pub. Res. Code § 4291 as currently exists and as may be amended in the future."

Seven other local codes point at the state's defensible space law this way, and we track all of them, because Assembly Bill 3074 amended section 4291 to require an ember-resistant zone "based on regulations promulgated by the board." When those regulations take effect, the codes that incorporate the statute dynamically may change meaning the same day, without their boards voting on anything. Alpine's is the most explicit among the counties: most others leave dynamism to interpretation, while Alpine's drafters wrote "as may be amended in the future" into the sentence, and only Kensington Fire Protection District's 2025 ordinance goes further. Whether a court reads any of them to import the new ember zone is a question we flag rather than answer; our county survey explains the pattern and the caution.

The chapter behind that sentence is a real fuels-reduction law. Section 8.20.080 declares accumulated fuels a public nuisance abatable at the owner's expense. Annual compliance deadlines run by elevation, May 1 below 6,200 feet and June 1 above it. Section 8.20.100 reaches something almost no county code touches: fuels on a neighbor's adjacent lot, with a complaint-inspection-order mechanism built to close the gap "in Cal. Pub. Res. §§ 4290 and 4291" when a hundred feet of defensible space does not fit inside one property line. Bear Valley's public safety officer is named as that community's inspection official. And the county's oldest fire law is older than the state's framework: section 8.16.050, from Ordinance 152 of 1948, already required a thirty-foot firebreak around cabins and buildings.

Adopted, not yet in effect: the statewide regulation. It cleared the Board of Forestry on August 19, 2026 and still needs Office of Administrative Law review and publication by the Secretary of State, so no compliance clock is running. Our timeline and enforcement guide covers the phase-in, and the register lists the nineteen jurisdictions we can prove have Zone 0 rules in force. None is in Alpine County, because a pointer at a statute is not an ember-zone rule in force today.

Where the statewide rule will reach in this county

Nearly everywhere there is a building. Alpine is California's least populous county, alpine forest from end to end, and its fire country is State Responsibility Area, where the adopted rule covers every hazard class under Public Resources Code section 4291 on the five-year existing-home clock once effective. The county adopted the 2023 state fire hazard severity map by reference in 2024 (section 8.20.025). There are no incorporated cities, so there is no Local Responsibility Area city track to parse: Markleeville, Bear Valley, Kirkwood's Alpine side and the Highway 88/89 communities all sit under the state framework. Start with our address lookup walkthrough.

Claims we could not verify

  • Whether the dynamic incorporation imports Zone 0. Section 8.20.090's "as may be amended in the future" is the strongest such clause we have found, and it is still a legal question no court has answered. We report the sentence; we do not promise its effect.
  • The fire districts' ordinances. Kirkwood Meadows and the county's other special districts hold authority we have not read.

What this means for you

  • Do not buy a fence because you think Alpine County requires one. Nothing in the county code regulates fence materials or the first five feet. The statewide rule, once effective, will ask for a five-foot noncombustible span where a fence attaches to the house; our fence requirements guide quotes the adopted text.
  • The thirty-foot and hundred-foot duties are today's law. Chapter 8.20 backs them with nuisance abatement, and the deadlines arrive with the snowmelt: May 1 or June 1 depending on your elevation.
  • The insurance credit applies statewide. Since October 2022, insurers pricing wildfire risk must credit noncombustible fencing within five feet. Details here.

Want this quoted right?

We match homeowners with California fencing contractors who quote the five-foot span correctly, and document it in the wording your insurer’s form uses.

Find a Zone 0-ready contractor Free for homeowners. Doing it yourself? Kit waitlist.

How often CAL FIRE inspects here

CAL FIRE's defensible space program in Alpine County covers just 1 parcel in July 2026, among the smallest programs in the state. That reflects how few structures this county has, not how little of it is CAL FIRE's responsibility: nearly all of its fire country is State Responsibility Area.

Two things this does not tell you. These counts cover inspections by CAL FIRE and Contract Counties inside the State Responsibility Area only, so work done by local fire agencies in the Local Responsibility Area is absent entirely. And none of these inspections is checking Zone 0: they are inspections against the defensible space rules in force today, which reach from the structure out to one hundred feet and contain no ember-resistant zone requirement. See the full inspection figures and what they mean, read from CAL FIRE's public dashboard on August 23, 2026.

Frequently asked questions

Does Alpine County have a Zone 0 ordinance?

No. It has something rarer: a defensible-space duty (section 8.20.090) wired to Public Resources Code section 4291 "as currently exists and as may be amended in the future." Because AB 3074 wrote the ember-resistant zone into that statute, Alpine's own code may carry Zone 0 once the state regulation activates it. That is a watch item, not a rule in force, and we say so on both counts.

Is this the same 2008 ordinance you flagged before?

Better: it survived a rewrite. We first found the sentence in Ordinance 685 of 2008 through a seventeen-year-old archive and flagged it as verify-first. The county rewrote Chapter 8.20 in 2018 (Ordinance 727) and kept the dynamic pointer, renumbered as 8.20.090. We have now read it in the current code, codified through Ordinance 760 of July 7, 2026.

When will the statewide rule reach homes here?

It has no effective date yet. Once effective, new construction complies immediately, and existing homes in the State Responsibility Area, which is essentially all of Alpine's settled country, get five years. Our timeline page tracks each step.

Not the county you were looking for? See every jurisdiction we can prove has a rule in force, and ask us to add yours.

Sources