Open Q&A

This is an open Q&A on Zone 0, wildfire policy, defensible space, vegetation management, evacuation limits, and the uncomfortable gaps between fire science and fire regulation.

Questions come from homeowners, renters, planners, people living in the fire zones and with the consequences of past fires.

Answers are based on peer-reviewed research, post-fire analysis, and on-the-ground ecological understanding—not one-size-fits-all solutions.

If you’ve been told “this will save your home” and wondered whether that’s actually true, this is the place to ask.

Ask A Question

Rest assured that you are privately submitting your question and your personal information will not be shared with third parties.

Questions & Answers

Featured

Lost In Zone 0

January 24, 2026

The State Board of Forestry keeps saying that there is no requirement to remove mature trees from around my home under the Zone Zero mandate.

Dear Lost In Zone 0,

It is technically true that the Board of Forestry does not explicitly require removal of all mature trees in Zone 0. However, the proposed 5-foot vertical and horizontal clearance requirement makes most existing urban trees functionally non-compliant, especially on downslope parcels and particularly for our smaller-stature, multi-trunk native trees such as coast live oaks. In practice, the rule operates very differently than it appears on paper.

Even trees that might technically comply with the clearance mandate do so only through repeated canopy lifting and lateral reduction. As a result, the policy functions not merely as a selective removal rule, but as a long-term canopy suppression rule in urban neighborhoods. Over time, this leads to steady loss of canopy even where outright removal is not immediately required.

I think this is also where the disciplinary lens matters. The Board of Forestry members who are writing the zone 0 rule are foresters, and much of their discussion implicitly assumes large-statured forest trees with tall, narrow crowns.

But the City of Los Angeles is not a redwood forest. Our urban canopy is dominated by broad-crowned, moderate-height trees—especially coast live oaks—that evolved to spread laterally, not vertically. When Zone 0 clearance rules are applied to these species on small, sloped urban lots, they don’t function as neutral safety measures; they function as canopy suppression or de facto removal. This disagreement about trees in zone 0 is a mismatch between forest-scale assumptions and urban ecological reality.

The State’s proposed clearance mandate effectively means no trees in zone 0.  Once a mature tree in Zone 0 reaches the end of its lifespan, fails structurally, or must be removed for any reason, it cannot be replaced with a new planting, because any replacement tree will fail the clearance requirements for decades. Over time, there would be no trees within five feet of homes, regardless of species, condition, or management.

Even where trees are retained, clearance-driven pruning has predictable horticultural and ecological consequences. To comply, trees must undergo repeated canopy lifting and reduction, which removes the lowest, densest, most shading portions of the canopy, converts a spreading, moisture-retaining form into a thinned, elevated crown that results in less shade, less cooling, and less moisture retention. Over time, this leads to chronic canopy loss, increased sun, wind and ember exposure, and greater desiccation of both the tree and the surrounding site.

That is why, in dense urban environments like Los Angeles, Zone 0 does not simply regulate which trees remain—it steadily determines how little canopy is allowed to exist at all.

Why this matters is that Los Angeles already suffers from low and uneven canopy cover, with some neighborhoods well below what is needed for basic heat mitigation, public health, and climate resilience. Zone 0 does not land on a city with excess canopy to spare; it lands on a city that is already living with inadequate canopy.

Estimates from Los Angeles County suggest potential tree canopy losses of up to 18% in some areas. The reality is that the cumulative impact on urban canopy has never been analyzed because Zone 0 has been categorically exempted from the California Environmental Quality Action (CEQA).

Fire safety does not require suspending environmental law. Refusing to demand CEQA review for Zone 0 is not a tradeoff—it is an abandonment of principle. And when that abandonment disproportionately affects dense urban communities already struggling with low canopy, extreme heat, and cumulative environmental stress, it represents a policy failure.

  • January 24, 2026 ‍

    The State Board of Forestry keeps saying that there is no requirement to remove mature trees around my home under the Zone Zero mandate.

    Answer ‍ ‍

    Dear Lost In Zone 0,

    It is technically true that the Board of Forestry does not explicitly require removal of all mature trees in Zone 0. However, the proposed 5-foot vertical and horizontal clearance requirement makes most existing urban trees functionally non-compliant, especially on downslope parcels and particularly for our smaller-stature, multi-trunk native trees such as coast live oaks. In practice, the rule operates very differently than it appears on paper.

    Even trees that might technically comply with the clearance mandate do so only through repeated canopy lifting and lateral reduction. As a result, the policy functions not merely as a selective removal rule, but as a long-term canopy suppression rule in urban neighborhoods. Over time, this leads to steady loss of canopy even where outright removal is not immediately required.

    I think this is also where the disciplinary lens matters. The Board of Forestry are foresters, and much of this discussion implicitly assumes large-statured forest trees with tall, narrow crowns. The City of Los Angeles is not a redwood forest. Our urban canopy is dominated by broad-crowned, moderate-height trees—especially coast live oaks—that evolved to spread laterally, not vertically. When Zone 0 clearance rules are applied to these species on small, sloped urban lots, they don’t function as neutral safety measures; they function as canopy suppression or de facto removal. This disagreement about trees in zone 0 is a mismatch between forest-scale assumptions and urban ecological reality.

    The State’s proposed clearance mandate effectively means no trees in zone 0.  Once a mature tree in Zone 0 reaches the end of its lifespan, fails structurally, or must be removed for any reason, it cannot be replaced with a new planting, because any replacement tree will fail the clearance requirements for decades. Over time, there would be no trees within five feet of homes, regardless of species, condition, or management.

    Even where trees are retained, clearance-driven pruning has predictable horticultural and ecological consequences. To comply, trees must undergo repeated canopy lifting and reduction, which removes the lowest, densest, most shading portions of the canopy, converts a spreading, moisture-retaining form into a thinned, elevated crown that results in less shade, less cooling, and less moisture retention. Over time, this leads to chronic canopy loss, increased sun, wind and ember exposure, and greater desiccation of both the tree and the surrounding site.

    That is why, in dense urban environments like Los Angeles, Zone 0 does not simply regulate which trees remain—it steadily determines how little canopy is allowed to exist at all.

    Why this matters is that Los Angeles already suffers from low and uneven canopy cover, with some neighborhoods well below what is needed for basic heat mitigation, public health, and climate resilience. Zone 0 does not land on a city with excess canopy to spare; it lands on a city that is already living with inadequate canopy.

    Estimates from Los Angeles County suggest potential tree canopy losses of up to 18% in some areas. The reality is that the cumulative impact on urban canopy has never been analyzed because Zone 0 has been categorically exempted from the California Environmental Quality Action (CEQA).

    Fire safety does not require suspending environmental law. Refusing to demand CEQA review for Zone 0 is not a tradeoff—it is an abandonment of principle. And when that abandonment disproportionately affects dense urban communities already struggling with low canopy, extreme heat, and cumulative environmental stress, it represents a policy failure.

    ‍

  • January 17, 2026 ‍ ‍

    With insurance companies re-rating parts of Los Angeles as “high fire risk,” I’m waiting on a new quote. My home is fully paid off — no mortgage.

    If the State ultimately overrules the City of LA and Zone 0 is imposed, can a homeowner legally refuse to carry fire insurance?

    I know people of retirement age who lost paid-off homes in the Palisades, sold the land, and chose to walk away rather than rebuild or endure years of stress.

    Meanwhile, even without a fire, Zone 0 is already causing enormous stress for homeowners — and my sense is that fewer than 10% of Angelenos are even aware this is coming?

    Answer:

    Dear Mortgage-Free Homeowner In the Fire-Zone,

    This is a very reasonable question — and you’re not alone in feeling overwhelmed right now.

    Let’s separate what is legally required from what is being pressured, because those two things are increasingly being blurred.

    If your home is paid off and you do not have a mortgage, there is no California law that requires you to carry homeowners or fire insurance. Full stop. Insurance is a contractual requirement imposed by lenders, not the State. When the mortgage is gone, the legal mandate disappears with it.

    That doesn’t mean insurance is unimportant — it means it is a personal financial decision, not a legal obligation.

    Zone 0, even if finalized at the state level, does not create a requirement to buy insurance. Nor does it guarantee coverage, prevent loss, or obligate insurers to insure you. What it does is function as a risk-management and liability framework — one that insurers may use to justify pricing, exclusions, or nonrenewals, regardless of whether the science actually supports blanket vegetation removal as a path to safety.

    This is where many homeowners feel trapped:
    “If I don’t comply, I’ll lose insurance. If I comply, I may lose the landscape, shade, privacy, and ecological function that made my home livable in the first place — and I still may lose insurance anyway.”

    For some people, especially those later in life, the calculation becomes brutally pragmatic. As you noted, some homeowners who lost paid-off homes in the Palisades chose to sell the land and walk away rather than rebuild under years of regulatory, financial, and emotional strain. That choice isn’t irrational — it’s a response to a system that increasingly shifts risk and responsibility onto individuals while offering no real assurance in return.

    What concerns me most is that this stress is happening now — before any fire, and before Zone 0 is even finalized. Homeowners are being told they must act immediately, decisively, and expensively, often under threat of insurance loss, with little acknowledgment of uncertainty, tradeoffs, or personal circumstance.

    You’re also right that public awareness is shockingly low. Most Angelenos have no idea this is coming until a notice arrives in their inbox or mailbox — and by then, it feels like an emergency rather than a policy discussion.

    So yes:
    – You can refuse insurance if your home is paid off.
    – You can decide that the cost — financial, ecological, or emotional — is too high.
    – And you are allowed to weigh risk, age, resources, and quality of life in that decision.

    What you should not be told is that there is only one “responsible” choice. There isn’t.

    Fire safety is real. Trauma is real. But so is the harm caused by overselling certainty, simplifying complex risk, and pressuring people into irreversible decisions without honest discussion.

  • January 17, 2026

    How should one react or act now when facing insurance pressure to implement zone 0 and to eliminate trees and bushes. Do homeowners have any standing in telling insurance there is no law that requires complete removal of trees near home?

    Answer: ‍ ‍

    Dear Homeowner Under Pressure,

    There is no law requiring you to remove healthy trees or eliminate all plants around your home. What you’re being asked to do is comply with a private insurance company’s underwriting preferences. I understand that insurance is necessary for a mortgage — but how you manage your land is still your choice, and you are entitled to ask whether these demands are evidence-based, proportional, and legally required. Right now, they are not.

    Every homeowner has the right to decide how far they are willing to go to satisfy a private insurer — and the right to say no. That decision may come with financial consequences, but it is still a choice. What we should not accept is the idea that this is the law, that it is proven, or that refusal is irresponsible. None of those things are true.

    Choosing not to comply with an insurer’s demand is not the same as choosing to be unsafe. It is choosing not to participate in a system that oversells certainty and places all responsibility on individual homeowners while ignoring larger drivers of fire loss.