The Market Read, Third Quarter 2026

Every number in the playbook that can go stale lives in this chapter or in a footnote, dated and sourced, and this chapter is re-verified every quarter against the releases that produce those numbers. The eight chapters after it teach rules that don't expire. This one tells you what the rules are up against right now.

The read comes down to four lines: income, expenses, credit, and buyers. When all four are helping, careless underwriting survives. In the third quarter of 2026, none of them is, and that changes what "a rental that carries itself" has to mean before you offer.

How to read this chapter

The numbers that change live here, so the rest of the book can be trusted without a date check. Chapters 2 through 9 use illustrative scenarios at stated inputs and cite statutes and standards that change slowly. This chapter carries the market statistics, each with its source and its release date, and it gets reviewed on a fixed cadence: after the Census vacancy release, the Fitch performance monitor, the investor-activity reports, and the monthly rent data.

The date badge at the top of the page is the last review. If a figure below has a newer release than the one cited, the review is due and we're behind. Hold us to it.

The income line has stopped moving

Rent growth did part of every landlord's job for most of this decade, and it has stopped. As of August 2026 the national median rent is $1,390, down 0.8% from a year earlier. Prices have ticked up for seven consecutive months, but only enough to pull the annual figure back from its April low of minus 1.6%; this is a market stabilizing after roughly four years of soft pricing, not a market growing.¹

Vacancy explains why. The national rental vacancy rate is 7.3%, and in the South, where most of the investing this book serves happens, it is 9.5%.² On the multifamily side, the vacancy index reached 7.1% in August after peaking in February, the first decline since late 2021, which is the earliest sign of the supply wave cresting.¹

For underwriting, the consequence is one sentence: the growth assumption is no longer a rescue plan. A deal that needs next year's rent to cover this year's payment is a deal that doesn't cover, and Chapter 2, Buy Box Before You Shop, builds every criterion on proven rent for exactly this reason. Chapter 6, Operating in a Flat-Rent Market, is the operating manual for holding a property through it.

The expense line kept moving

While income flattened, the costs of owning kept climbing, and insurance led. The average U.S. home policy ran $2,948 in 2025 after a 12% jump in a single year, is projected at $3,057 for 2026, and has risen 46% since 2021.

Florida's average is $8,292, nearly three times the national figure.³

The leading edge of that trend sits outside our footprint, and it's worth watching for exactly that reason: California's state-backed insurer of last resort reported 696,562 policies in force as of June 2026, up 157% since September 2022, as private carriers repriced or retreated.⁴ That's an extreme, not a forecast for the states we serve, but it shows which direction the pressure runs when a market's risk gets repriced all at once.

Property taxes move for a different reason: they reset when you buy, in most places, to your purchase price, so the seller's bill is history rather than a forecast. Chapter 3, Underwriting the Expense Stack, prices every one of these lines from your ownership instead of theirs.

The credit market is showing the strain

Rising delinquency is what optimistic underwriting looks like two years later. In the non-QM sector, the category that includes DSCR loans, 30-day delinquencies stood at 5.76% in the latest performance monitor, down 12 basis points from a year earlier, with 90-day delinquencies at 2.73%. Prime jumbo loans, by contrast, sit at 1.02%.⁵

The rating agency's own read is that the sector's delinquencies are elevated relative to history and have stabilized after rising through 2025, not a crisis and not a clean bill of health, and that framing belongs in the record alongside the numbers.

The loans going late today were underwritten on the income and expense assumptions of 2023 and 2024, when rent growth was assumed and insurance was cheaper. This book exists so your underwriting doesn't look like that two years from now. The DSCR loan risks guide covers what the delinquency data means for borrowers in detail.

The buyer pool changed shape

Fewer investors are buying, and the ones still buying are more selective. Investor purchases fell 6% year over year in Q1 2026 to their lowest level since 2020, and investors bought 19% of the homes sold in the metros Redfin analyzes.⁶ Measured differently, across all single-family purchases, investors accounted for 31.85%, and small investors holding one to ten properties owned about 96% of investor-owned single-family homes.⁷

Two things in those numbers matter to your next offer. The buyer across the table is more likely than in 2021 to be a small operator running the same math you are, which is competition that doesn't overpay. And the average investor purchase, $431,282 against a national average sale of $514,600, says where investors actually shop: below the median home, in the price band where rent covers payment.

The national numbers are context. Your county's are the tool. The same report that produces the national share publishes county-level Investor Pulse reports, free, and Chapter 2, Buy Box Before You Shop, shows how to read yours in fifteen minutes; the county reports are published alongside the Investor Pulse report. Our state pages carry the local picture for each market we serve.

The one thing that got better

Bonus depreciation is 100% again and permanent, and that helps and hurts in equal measure. The 2025 federal tax law restored the full first-year deduction for qualified shorter-life property acquired and placed in service after January 19, 2025, with no scheduled phase-down.⁸ Chapter 7, The Tax Layer, explains what qualifies and what doesn't, and why the building itself never does.

The divergence is the warning this chapter has to state plainly: after-tax returns on rentals improved in the same years pre-tax cash flow compressed. That gap is where people talk themselves into deals that lose money every month because the deduction looks good on paper. The mortgage is paid in dollars, not deductions, and a deduction you can't use this year is worth less than the pro forma pretends.

What all four lines mean for the ratio

The thesis, once and plainly: in this market, a rental carries itself only where the rent covers the full payment on day one, at today's expenses, with no growth assumed. Everything in this book is a method for finding those properties and refusing the rest.

The drift, computed on the book's canonical duplex, an illustrative scenario at stated inputs: $300,000 asking, $2,600 in total rent, 25% down, a 7.5% rate fixed for illustration throughout the book, 30-year terms. The only inputs that change are the ones this chapter documented.

Rent is held flat in both columns deliberately, because even with growth set aside, two documented expense lines moved the ratio and the cash flow on their own. Run this year's column yourself and then change the price until the cash flow clears your floor. That price is where the book's chapter 2 begins.

Both columns use the national-average insurance figures cited above rather than chapter 2's illustrative default. That is why the starting ratio here sits a hair below chapter 2's 1.30.

One note on rates, since every scenario in this book runs at 7.5%: that figure is fixed for illustration so the numbers stay comparable across chapters. The market rate moves weekly; Freddie Mac's survey put the 30-year average at 6.76% for the week of September 10, 2026.⁹ Your quote is your quote, and the calculators take whatever rate you give them.

The two questions every chapter answers. On the ratio: the four lines moved it, and this quarter they moved it down, which is why the buy box in the next chapter starts from the rent the market proves rather than the rent a pro forma hopes. On cash flow: expenses rose faster than income, and the floor you set before you shop is what turns that fact into a decision instead of a surprise.

Numbers above are illustrative scenarios computed by our calculators from the stated inputs. They are not offers, quotes, or records of transactions. OneMoreDoor Capital arranges business-purpose financing for non-owner-occupied investment property through its lending partners.