A homeowner behind the gates at The Oaks or Mountain View Estates could reasonably assume the fire paperwork belongs to someone else. The family on a private drive off Mulholland, maybe, or the custom estate backed up against open chaparral somewhere past Old Topanga. For years, that assumption held up fine. It doesn't anymore.
On March 24, 2025, CAL FIRE released its updated Fire Hazard Severity Zone map for Calabasas, the fourth and final phase of a statewide remapping project covering 156 Southern California cities and counties. Calabasas Firewise, the local wildfire safety group, put it plainly after reviewing the new map: every parcel in the city now falls inside the Very High Fire Hazard Severity Zone. Not the hillside custom homes. Not just the streets backing onto Liberty Canyon. All of it, according to the map the city itself now links from its fire hazard severity zone page. Two separate disclosure obligations turn on that single zone label, and as of this year, every Calabasas listing carries both, regardless of whether the address sits behind a guard gate or on a cul-de-sac two streets from the 101.
Why the Label Doesn't Grade the Way People Expect
Here's the part that gets missed in most explanations of this. Calabasas sits entirely within its own incorporated city limits, which puts it under what the state calls a Local Responsibility Area, or LRA, for fire hazard mapping. LRA maps only carry one designation: Very High. There's no moderate tier and no plain "high" tier available at that level of the system. That three-tier scale, Moderate, High, Very High, only exists on the state's maps for unincorporated county land, the State Responsibility Areas that surround cities like Calabasas but sit outside them.
So when the state's remapping project reached Calabasas in its final 2025 phase and moved city parcels onto the map at all, there was only one tier available to land on. The Very High label is partly a function of which map format applies to an incorporated city, not necessarily a fresh finding that a flat lot behind three rows of townhomes carries the same ember exposure as a ridge above Liberty Canyon, where the Woolsey Fire ran through in 2018 after crossing the 101. The distinction matters if you're trying to understand your own risk. It does not matter at all to the disclosure obligations that follow from the label, which apply the same way whether the mapping quirk explains your specific lot or not.
What the Label Puts on the Closing Table
Two requirements attach to any Very High zone sale under California's Assembly Bill 38, and both now apply to every Calabasas transaction.
The first is a Defensible Space Inspection. Since July 1, 2021, sellers of property in a High or Very High zone must give the buyer documentation of a compliant inspection, and that inspection has to have been completed within six months of the date the sales contract is signed. If a seller can't produce it by closing, state law allows the buyer and seller to sign a written agreement shifting that obligation to the buyer, who then has one year after close to get it done.
The second is the Fire Hardening and Defensible Space Disclosure, known as the FHDS form. The basic version has required sellers in Very High zones to disclose known wildfire vulnerabilities since January 2021. What changed on July 1, 2025 is the depth of that disclosure for older homes. The California Association of Realtors revised the form that June to include a checklist of twelve specific home hardening conditions, drawn from the State Fire Marshal's low-cost retrofit list, things like a Class A fire-rated roof, ember-resistant attic and crawlspace vents, and noncombustible covers over gutters and skylights. Sellers now have to mark which of those twelve are present on the property, whether or not the seller ever did the work.
| Homes built before 2010 | Homes built 2010 or later | |
|---|---|---|
| Defensible Space Inspection (AB 38) | Required | Required |
| Basic vulnerability disclosure | Required | Required |
| 12-point hardening checklist (FHDS, effective July 1, 2025) | Required | Not required |
Why Almost Every Resale in Calabasas Lands on the Older Side of That Line
The build-year trigger would matter less if Calabasas were full of recent construction. It isn't. The city's housing stock, including the gated communities most often searched by name, The Oaks, Steeplechase, Mountain View Estates, Avanti Calabasas, skews toward homes built from the mid-1980s through the early 2000s. That means the pre-2010 line isn't a narrow edge case. It's where most of the resale market sits.
A remodeled kitchen and new flooring don't move a house across that line either. The trigger is the year the structure was originally built, not the year it was last updated. A 1990s home with a full interior refresh still carries the complete twelve-point hardening checklist at sale, because the FHDS form asks about the structure's original construction, not its most recent renovation.
The Insurance Calendar Landing on the Same Timeline
This is arriving at the same moment the state's insurer of last resort is repricing. The California FAIR Plan exists for homeowners who can't get a standard policy in the private market, and enrollment has grown steadily as more carriers pull back from wildfire-exposed areas statewide. A rate increase set to take effect on October 15, 2026 lands unevenly, with hillside and canyon parcels in Very High zones sitting among the properties facing the steepest increases, while some lower-exposure policyholders see smaller adjustments or none at all.
That timing matters for a fall listing because a buyer can't simply take over a seller's existing policy. They apply for their own coverage after close, and any mortgage lender will require proof of that coverage before funding. A seller who waits until an offer is accepted to think about the inspection window, the FHDS paperwork, and a buyer's insurance search is stacking three separate clocks on top of each other right as FAIR Plan pricing resets.
What Sellers Are Actually Doing Before They List
Local groups have been organizing around exactly this. Calabasas Firewise and EPIC-FSC, both community wildfire safety organizations working the Santa Monica Mountains side of the valley, offer property assessments focused on the same items the FHDS checklist asks about, Class A roofing, ember-resistant vents, a cleared zero-to-five-foot perimeter around the structure, and enclosed eaves. The interest isn't abstract. The Woolsey Fire burned 96,949 acres and destroyed 1,643 structures after it crossed the 101 near Calabasas in 2018, and the Kenneth Fire in January 2025 reached over a thousand acres before containment, in the same wind-driven corridor. Documentation gathered ahead of a listing, photos of the roof, receipts for vent upgrades, does double duty. It satisfies part of the FHDS disclosure and gives a buyer's insurance underwriter something concrete to work with, since the state's mitigation credit programs are built around exactly this kind of evidence.
A short list worth working through before setting a listing date:
- Schedule the defensible space inspection with enough runway that it's still valid, meaning within six months of when you expect to sign a contract, not six months before you plan to list.
- Pull together any documentation of hardening work already done, roofing invoices, vent replacement receipts, before your agent drafts the disclosure package.
- Get a homeowners insurance quote early rather than waiting for an accepted offer, since buyers are increasingly asking for this before removing contingencies.
- Assume the FHDS packet is part of your disclosure regardless of whether your lot backs to open hillside or a golf green two doors from the clubhouse.
A Few Questions Worth Settling Before You List
If my home is inside a guard-gated community, do I still need the inspection? Yes. The zone designation comes from the CAL FIRE map for the parcel, not from whether the community has its own gates, patrol, or HOA.
What if my home was built after 2010? You still need the Defensible Space Inspection and the basic vulnerability disclosure, since the entire city sits in a Very High zone. You're not required to complete the expanded twelve-point hardening checklist, since that piece only applies to homes built before 2010.
Does the inspection need to happen right before closing? It has to be completed within six months of the date the sales contract is signed. Getting it done too far ahead of listing can mean redoing it if escrow runs long, so timing it against your expected contract date matters more than doing it as early as possible.
If you're weighing when to list in Calabasas this fall, the fire disclosure paperwork is worth sorting out before the first showing gets scheduled, not during escrow. Tessa Cosentino has walked sellers through this exact packet in Calabasas communities from The Oaks to Mountain View Estates. Let's Chat, schedule a time to connect.
