In January 2025, the Palisades and Eaton fires burned through more than 16,000 structures across Pacific Palisades, Malibu, and Altadena — one of the most destructive wildfire events in California history. Both were declared federal disasters, and that single designation quietly unlocks a set of tax provisions written for exactly this moment: when a family's largest asset is suddenly gone, and the insurance check that follows can create a tax bill on top of the loss.

This piece is two things. First, a plain-language guide to the federal and California relief available to anyone who has lost property in a federally declared disaster — Palisades, Altadena, or a hurricane, flood, or tornado anywhere in the country. Second, for those far enough along to rebuild, what we learned on the floor of the Palisades Rebuild Expo about building back in a way that's both more fire-resilient and more tax-efficient.

None of this is a substitute for sitting down with an advisor about your specific facts. But knowing the levers exist — and the deadlines that govern them — is the difference between recovering some of the loss and leaving real money on the table.

The Relief Toolkit

Five provisions every disaster-struck homeowner should know

Disaster tax relief isn't one program — it's a handful of separate rules that stack on top of each other. Here's the plain-English version of each, and who it helps.

1 · The casualty loss deduction

When property is damaged or destroyed in a federally declared disaster, you can deduct the unreimbursed loss (§165). The deductible amount is generally the drop in the property's value — or your cost basis, whichever is less — reduced by any insurance you receive, then by a $100 floor and, under the standard rules, 10% of your adjusted gross income. Special disaster legislation has, in past events, waived the 10% floor and let non-itemizers claim it, so the exact math depends on what Congress attaches to a given disaster.

The most useful wrinkle: you can elect to claim the loss on the prior year's return. Amending the year before the fire often puts a refund in your hands months sooner — real liquidity at the moment you need it most.

The insurance settlement that rebuilds your home can also, on paper, be a taxable "gain." The tax code's answer to that is §1033 — and using it well is often worth more than any single deduction.

2 · Deferring the gain — §1033 involuntary conversion

Here's the counterintuitive part. If your insurance or settlement proceeds exceed your cost basis in the home — what you paid, plus improvements, which for a long-held property is often far below today's value — the excess is a taxable gain, even though you feel anything but enriched. Section 1033 lets you defer that gain entirely if you reinvest the proceeds into replacement property.

For a principal residence in a federally declared disaster, the replacement window is four years — extended from the usual two — enough time to rebuild on the same lot or buy elsewhere. Insurance for the home's contents is treated favorably too, and the residence and its contents are generally treated as a single item of converted property. Your old basis carries into the new home, so the gain is deferred, not erased — but deferral is exactly what buys you time and liquidity to rebuild.

3 · The home-sale exclusion still applies — §121

A destroyed home can be treated as a sale for the §121 exclusion. If you owned and lived in it for two of the prior five years, you can exclude up to $250,000 of gain if single, or $500,000 if married filing jointly — and then use §1033 to defer whatever gain remains above that. Stacked together, §121 and §1033 let most homeowners shelter the entire insurance "gain."

4 · Disaster relief payments are tax-free — §139

Payments you receive to cover reasonable personal, living, funeral, or property expenses caused by a qualified disaster — from FEMA, a state program, an employer, or a charity — are excluded from income under §139, to the extent they aren't already reimbursed by insurance. You don't report them, and you don't pay tax on them.

5 · The deadlines move

The IRS routinely postpones filing and payment deadlines for taxpayers whose address of record sits in the disaster area — often by many months — and California's Franchise Tax Board generally conforms. You don't apply; relief is automatic based on your address. If you moved after the fire, a quick call to the IRS keeps you inside the postponement.

California, taken separately
Building Back Smarter

The View from the Expo Floor

Driving into the Palisades in mid-2026, the landscape still tells the story. Burnt structures sit surprisingly close to the beach. Fencing cordons off parcels in various stages of clearance. The recovery is visible, but it's uneven, and the scale of what was lost only becomes real when you see it in person for the first time.

The rebuild expo itself is a different kind of reality check. The vendor mix is telling: architects, designers, and builders dominate, as expected, but the supporting cast has shifted. Security camera companies are pitching heat-resistant systems. Roofing manufacturers are leading with fire-rated tiles and ember-resistant venting. And the builders themselves? They're not selling the same playbook.

Framing the Future in Steel

The single biggest material shift on display: light-gauge steel framing. Booth after booth showcased silvery steel studs replacing traditional 2x4 lumber, and the pitch was consistent. Steel is non-combustible. It won't ignite, it won't add fuel to a fire, and it holds its structural integrity longer under extreme heat. Pair it with fiber cement siding, mineral wool insulation, and tempered double-pane windows, and you've built something fundamentally more resilient than what stood there before.

What makes this particularly practical for the Palisades rebuild is the speed factor. Cold-formed steel arrives straight, pre-cut, and ready to assemble. No warping, no drying, no sorting. On a job site where contractor capacity across the LA Basin is already stretched thin from simultaneous rebuilds in Altadena and Malibu, that efficiency matters.

The rebuild conversation has moved past "what burned" and into "what won't burn next time." Steel framing, modular drop-in construction, and layered fire resistance aren't trends. They're the new baseline.

Prefab, But Not What You're Picturing

The most compelling booths weren't selling tiny houses or utilitarian containers. They were showing custom, modular, prefabricated designs that could be dropped onto a cleared lot and look like they belong in a $3M neighborhood. Because that's exactly where they're going.

The modular builders at the expo are solving a specific problem: homeowners who held onto their land, have the financial capacity to rebuild, and want something durable, permanent in aesthetic, and proportional to the lot. These aren't downsized stopgaps. They're full-scale, fire-resilient homes assembled from factory-built modules, with steel skeletons, layered insulation, and design flexibility that would have been unrecognizable five years ago.

Several builders mentioned international deployments to "areas of need," but the domestic application is where this gets strategically interesting. Prefab construction that can be dropped into fire-affected zones, built on cleared and remediated lots, and completed in a fraction of the traditional timeline? That's not just a construction method. That's an investment vehicle.

The Tax Strategy Pivot

Where Opportunity Zones Meet the Builders

The Palisades itself is not in a Qualified Opportunity Zone, and the rebuild here is primarily an insurance-funded, homeowner-driven recovery. But many of the builders walking that expo floor serve real estate investor clients who deploy capital into QOZ-eligible projects elsewhere. The modular, steel-framed, drop-in construction on display is tailor-made for the kinds of ground-up builds that QOZ investors need: fast to deploy, code-compliant, and scalable across markets.

The One Big Beautiful Bill Act (OBBBA), signed in July 2025, permanently extended the QOZ program and layered in provisions that matter for any builder working with investor capital:

Key OBBBA Provisions for Builders and Investors

The Palisades rebuild won't be financed through QOFs, but the builders perfecting fire-resilient modular construction here are developing exactly the product that QOZ-funded projects in other markets need. A builder who can deliver a steel-framed, fully insulated, code-compliant home in months rather than years is a natural partner for investors deploying capital gains into Qualified Opportunity Funds targeting distressed census tracts with housing demand.

The Bigger Picture for Prefab Builders

Modular construction companies that can deploy internationally to disaster zones are already thinking in terms of scalable, repeatable builds. The OBBBA's permanent OZ framework gives those same builders a reason to focus domestically, and specifically on the kinds of distressed or low-income census tracts that the new, tighter eligibility criteria (median family income below 70% of statewide median) are designed to target.

The combination is potent: a builder who can deliver fire-resilient, code-compliant, aesthetically serious homes on compressed timelines, paired with investors deploying capital gains into Qualified Opportunity Funds that finance exactly that kind of construction. The builder gets a pipeline. The investor gets deferral, basis step-up, and potential gain exclusion. The community gets rebuilt housing stock that won't burn the same way twice.

That's not a pitch. It's the structural logic of how these provisions were designed to work together.

What To Do Now

Courses of action, by situation

The right first moves depend on where you are and what you lost. Three starting points — but the throughline is the same: establish your cost basis and document everything before you spend the insurance money.

If you lost a home in the Palisades or Malibu
If you lost a home in Altadena (Eaton fire)
If you're anywhere else in a federally declared disaster
Five Takeaways Worth Tracking
1
Steel framing is the new standard, not a specialty. Light-gauge steel, fiber cement, mineral wool, and tempered glass are converging into a layered fire-resistance stack that the Palisades rebuild is normalizing for the broader California market.
2
Prefab has graduated from budget to bespoke. Modular construction is now targeting high-net-worth homeowners on premium lots, with design flexibility and permanence that rival stick-built custom homes.
3
The OBBBA made Opportunity Zones a permanent planning tool. Rolling 10-year designations, enhanced rural benefits, and a restored bonus depreciation framework give builders and investors a long-term strategic anchor rather than a closing window.
4
Contractor capacity is the bottleneck, not permitting. LA's streamlined disaster rebuild pathways have permits moving in 4-7 months, but qualified crews are stretched across the Palisades, Altadena, and Malibu simultaneously. Speed-to-site is a competitive advantage.
5
The compliance surface area just expanded. New QOF reporting requirements carry penalties up to $50,000 for large funds. Builders and investors benefiting from OZ incentives need advisory infrastructure that keeps pace with the construction timeline.

Lost a home to a disaster, or planning a rebuild? Questions about your insurance settlement, casualty loss, §1033 deferral, or building back tax-efficiently?

Spark + Stone Advisory
Real Estate & Disaster Tax Strategy for Homeowners, Builders, and Investors