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Climate Ready Real Estate Investing is an intelligence briefing for professionals tracking how climate risk, insurance market disruption, migration trends, infrastructure stress, and resilient development are reshaping real estate investing. Hosted by WSJ bestselling author Jamie Wolf, the show translates climate signals into practical strategies for underwriting, asset protection, capital allocation, development planning, housing demand, and long-term property value. Covering real estate markets, insurance costs, climate migration, resilient construction, infrastructure investment, and durable asset design, each episode helps investors, developers, lenders, private equity firms, insurers, and supply chain leaders identify emerging risks, protect portfolios, and position for opportunity in a changing market.
This is Climate-Ready Real Estate Investing, the intelligence briefing for stakeholders in the nearly $400,000,000,000,000 global real estate market, the world's largest asset class. The goal is to provide you with the intelligent signals to be profitable today while ensuring we will have a tomorrow. Listen, then implement to do good things and make money. I'm your host, Jamie Wolf. I'm going to tell you a story, a real one, about something that's happening in real estate and what it tells us about what's coming.
Speaker 1:It's another example of the choice the nearly $400,000,000,000,000 real estate industry has to do no harm or cause harm. In late January of last year, a homeowner in Altadena, California drove up to what used to be her street. Her house was gone. The mailbox was gone. The trees were gone.
Speaker 1:Sitting on the concrete pad, the only thing left was a piece of mail, damp from the firefighter's water, scorched at one edge but readable. It was her mortgage statement. The lender's computer did not yet know her home had been destroyed. The escrow account was still scheduled to disperse her property tax payment on the fifteenth of the month. The amortization schedule did not pause.
Speaker 1:The thirty year clock kept ticking. In less than four hours, the structure that was once her home had become ash. The loan against it would last another twenty six years. That gap between what the contract says and what the climate is doing is the story of the next decade. But first, welcome back to Climate Ready Real Estate Investing.
Speaker 1:Each week, in addition to guest expert interviews, our audience receives three short briefs focused on market intelligence, strategy and underwriting, as well as narratives of current events with future implications like this one. The theme underlying climate ready real estate investing is a deep concern for the well-being and viability of our planet today and tomorrow and a desire to explore how best to support this nearly $400,000,000,000,000 industry in making both profitable and forward thinking big picture decisions, borrowing from the Hippocratic oath to first do no harm. This month, we are reframing climate change as a matter of market structure, not ideology. With that as context, today's brief is the end of the thirty year mortgage assumption about the most ordinary financial product in American life, the thirty year mortgage. Here's the backstory.
Speaker 1:On the morning of Tuesday, 01/07/2025, Santa Ana winds swept down from the mountains into Los Angeles County with gusts of 80 to a 100 miles per hour in the mountainous areas. October, November, and December had been the driest start to a wildfire season in Southern California's recorded history. The vegetation was dry. The wind was relentless. And within hours of each other, two fires ignited on opposite sides of LA, the Palisades Fire on the West Side and the Eaton Fire above Altadena, 15 miles to the east.
Speaker 1:By the time they were contained, more than 16,000 structures had been destroyed. Thirty one people had died. Initial total economic loss estimates from AccuWeather exceeded 250,000,000,000 with a b dollars. The subsequent analysis placed the figure substantially lower in a range of 50 to 130,000,000,000. Catastrophe modeling firms estimated insured losses to be in the range of 35 to 45,000,000,000.
Speaker 1:It was the most expensive wildfire event in US history by any measure. But here's the part most press coverage skipped, the mortgage angle. Pacific Palisades is a ZIP code where the median market value of a single family home was 3 and a half million dollars before the fire. In Altadena, the median price averaged 1,400,000. Across Los Angeles County, roughly 70% of single family homes carry an active mortgage.
Speaker 1:So when 16,000 structures burned, that represented 10,000 to 12,000 active loans. Most of those loans were thirty year fixed rate mortgages originated when the climate stationarity assumption, the assumption that next year's wildfire risk looks like last year's wildfire risk, still had at least the pretense of being defensible. Here's what made the math worse. State Farm, the largest insurer in California, had stopped writing new homeowner policies in the state in May 2023. Allstate had paused new business in 2022.
Speaker 1:The California Fair Plan, the state's insurer of last resort, had become the de facto largest insurer in Pacific Palisades by 2024 with approximately $5,000,000,000 in wildfire exposure across the Pacific Palisades area, making it one of the Fair Plan's top five highest exposure markets in Southern California. When the Fair Plan is your largest carrier, that's not a market. That's a holding pattern. And then the structures burned. Reconstruction costs in LA County now run between 750 and $1,000 per square foot versus 400 to 500 per square foot before the fire due to a combination of supply chain challenges, labor scarcity, and code upgrades.
Speaker 1:Servicer forbearance is buying time, but it is not solving the math. The mortgages were sized against structures that cost half as much as their replacements now cost on a parcel that may never be insurable on the same terms again. The thirty year assumption was the ground these loans stood on. The ground moved. It would be tempting to make this an LA story.
Speaker 1:It is not. Uncontained fires are burning right now in Georgia and Florida near where I live, and it's heartbreaking. Look Look anywhere in the country, and the same fracture is showing up. Different climate, same product failure. For example, in July 2023, catastrophic flooding hit Central And Northern Vermont, including Montpelier, Barr, and Lindenville.
Speaker 1:You may remember pictures and videos of towns underwater for days. The federal major disaster declaration was sweeping. And then in July 2024, twelve months later, almost to the day, the same towns flooded again. Vermont's own disaster recovery office documented five federal disaster declarations between July 2023 and July 2024, spanning every one of the state's 14 counties. Mortgage stress in flood impacted communities tends to run materially above state average in the months following disaster declarations, a pattern documented across multiple disaster studies by the Federal Reserve and CFPB.
Speaker 1:These aren't coastal homes. They aren't in Florida. They're in towns that were considered climate safe within living memory. The 30 assumption did not survive two summers, or take Phoenix, Arizona. In June 2023, the Arizona Department of Water Resources made a ruling that halted new subdivision approvals in parts of Maricopa County tied to a hundred year groundwater assurance requirement.
Speaker 1:Translation, developers could not get final plat approval, which meant lenders could not originate new home mortgages on those parcels, not because the borrowers were unqualified, but because the water table was. That ruling was subsequently challenged in court in 2026, but the underlying aquifer data that prompted it remains unchanged, and the constraint it identified persists. A thirty year mortgage assumes thirty years of water, and even the court challenge doesn't dispute. That is no longer the case. Let's look at Boulder County, Colorado.
Speaker 1:The Marshall Fire on 12/30/2021, a suburban grass fire driven by 100 mile per hour winds destroyed 1,084 homes in the towns of Superior and Louisville and in unincorporated Boulder County. These are suburban subdivisions, not wildland. As of early twenty twenty six, roughly one in four of those households has not yet been able to return to a rebuilt home, not because the communities didn't try. In fact, Boulder County's rebuild rate of approximately 76% in just four years substantially exceeds the national average of 25% rebuilt within five years of a wildfire, but the remaining quarter faces the insurance and financing math that doesn't pencil. Under insurance gaps averaging more than $100,000 per household according to Colorado's division of insurance.
Speaker 1:Fire, flood, drought, heat, different climate, same outcome. The thirty year assumption is failing across all climate zones simultaneously. Geography is not the variable. The product is. To understand why the product is breaking, you have to remember what it was originally designed for.
Speaker 1:The thirty year fixed rate mortgage is the most successful financial product in modern American history. It was institutionalized in the nineteen thirties and nineteen forties through the FHA and Fannie Mae, refined in the nineteen seventies and eighties as the secondary mortgage market matured and turned into a global asset class in the nineteen nineties through securitization. By the time you and I were buying property, it was so embedded in the economy that we forgot it was a choice. That product prices three assumptions. First, the property will be insurable for the life of the loan.
Speaker 1:Second, the property's collateral value will trend roughly in line with regional comparables. Third, the regulatory regime will treat the property as financeable thirty years from now the same way it does today. Climate is breaking all three. The data is no longer ambiguous. First Street Foundation's flood risk model identifies 14,600,000 US properties at substantial flood risk.
Speaker 1:70% more than FEMA's maps recognize with approximately 6,000,000 of those property owners unaware of their actual exposure. Research from Wharton's Risk Center, including work by Phil Mulder and colleagues, has documented measurable effects on mortgage pricing and flood exposed portfolios. The Federal Housing Financing Agency has proposed climate stress testing for Fannie Mae and Freddie Mac. The National Flood Insurance Program owes more than $20,000,000,000 to the treasury and has not been substantively reformed since 2012. California state bill two sixty one requires companies with revenue above $500,000,000 to report biannually on climate related financial risks.
Speaker 1:First reports due in 2026, though implementation faces litigation. It is worth noting what has happened at the federal level since October 2023 when the three major bank regulators, the OCC, FDIC, and Federal Reserve finalized interagency principles for climate related financial risk management at large banks. In November 2025, those principles were formally rescinded under the current administration. That reversal is itself a signal. It tells you that the regulatory pressure on climate risk was real enough to generate a political reaction.
Speaker 1:The underlying physical risk that prompted the guidance has not been rescinded along with the paperwork. None of that is a forecast. All of it is happening now. The system is already adjusting. It is adjusting quietly at the underwriting desk in the GSE risk office, in the state insurance commissioner's docket, not in the marketing materials, and not in the political speeches, which means as an investor, the question is no longer whether the thirty year assumption breaks down.
Speaker 1:The question is which piece in your portfolio breaks first and whether you're priced for it. So if the thirty year assumption is breaking, what replaces it? Five pieces are already on the table. None of these is speculative. Each of them exists today as a pilot, a proposed rule, or an early product.
Speaker 1:Watch which one shows up in your hold first. One, climate conditioned mortgages. This is pricing that is tied to a property level climate risk score. Fannie Mae and Freddie Mac have green and resilience initiatives in early form. Several large banks are running internal pilots that price physical risk at origination.
Speaker 1:The natural endpoint is a mortgage product where your interest rate reflects your wildfire score, your flood score, and your insurance availability at origination, not at default. Two, shorter amortization products in high risk zones. If a structure may not be financeable in year '25, the loan probably shouldn't run thirty years. Several California credit unions have launched fifteen and twenty year only resilience mortgage pilots on fire zone parcels. This is the quietest part of the rewrite, and it's already underway.
Speaker 1:Three, rebuild covenants. Financing conditional on hardening, class a roof, defensible space, elevated mechanicals, or code plus construction. The insurance industry has been pushing this through actuarial pricing for years. Lenders are starting to follow. Expect to see covenants that tie the mortgage rate to a hardening certification, the way some loans tie rates to owner occupancy or flood insurance.
Speaker 1:Four, decoupling land value from structure value. Right now, a mortgage is an instrument secured against a single combined asset, land plus structure. Several insurers are quietly building products that separate the two. The land is one asset class with its own risk profile. The structure is another, financed on a shorter horizon and possibly at a different rate.
Speaker 1:In high risk zones, the structure is the volatile asset. The land is more durable. Pricing them separately changes the math. Five, managed retreat buyouts is a tail option. FEMA's hazard mitigation grant program, New Jersey's Blue Acres program, New York's buyout program, these have existed on a small scale for years.
Speaker 1:Climate adaptation funding under the inflation reduction act and state level resilience bonds are expanding the scope of climate adaptation. Expect over the next ten years a federal or state level program to buy out the most exposed parcels at a defensible valuation. As an investor, this is your tail option for distressed climate inventory and a structural cap on how far underwater the most exposed mortgages can run. Five pieces. Each of them is already moving.
Speaker 1:None of them moves on its own timeline. The question for you is not whether they show up, it's which one shows up in your five year hole and whether your model has a line for it. Two days ago, in episode five, we ran Climate through the denominator on a single deal, debt services, exit value, risk adjusted return. Today, we ask what happens when the entire thirty year product, the foundation under every one of those denominators, needs the same treatment. It's effectively the same project with a wider lens.
Speaker 1:And in our next brief, we get specific again, but this time on the upside. Because if the thirty year assumption is breaking, capital is already moving toward the products and the places that survived the rewrite, Pension funds, sovereign wealth, insurance balance sheets, climate tilted REITs, family offices. They're not waiting for the policy debate to resolve. They are repositioning right now where capital is already moving. That's episode seven.
Speaker 1:Don't miss it. That wraps it up for today. Be sure to subscribe to Climate Ready Real Estate Investing to receive free downloads for our market intelligence and strategy and underwriting briefs. Listen to the podcast and find us on Twitter and LinkedIn. If you'd like to be a guest on the show, you can register at climatereadyre.com, the place where resilient returns and resilient communities meet.
Speaker 1:Until next time, I'm your host, Jamie Wolf. Be good and do better for today, tomorrow, for you, and for all. Know your signals and be climate ready. This has been the intelligence briefing on Climate Ready Real Estate Investing, where we explore climate through a financial lens to achieve resilient returns and resilient communities. Find us on LinkedIn and Twitter.
Speaker 1:To get the Climate Ready Deal Framework to help you reevaluate your deals, go to climatereadyre.com, enter your email address, then check your inbox. See you next time. Climate Ready Real Estate Investing is an independent intelligence briefing. We synthesize publicly available research, industry reporting, and data, sometimes with the help of AI enabled analytical tools, into commentary and analysis on the trends shaping real estate, climate risk, and the long term durability of communities. Nothing in this program is investment, financial, legal, tax, or other professional advice.
Speaker 1:Always do your own due diligence and consult qualified professionals before making decisions.