Rent-to-Payment: The Ratio That Replaced the 1% Rule

Rent divided by full PITI is the screen that survived 2026 pricing. Here is what a workable ratio looks like, where it holds, and what it cannot tell you.

Re:InvestorHub Team · · Market Insights

The rent-to-payment ratio divides one month of market rent by one month of the full mortgage payment, meaning principal, interest, taxes, and insurance (PITI). BiggerPockets published a Summer 2026 report ranking 54 metros by it, and the headline number is sobering: the average ratio is roughly 0.80 and the median is 0.76. In the typical big-city deal, market rent covers only 76 to 80 percent of the cost of owning the property. That is the screen worth running before you shop a market, and it is a screen, not an underwriting model.

What Is the Rent-to-Payment Ratio?

The formula is one line: monthly rent divided by monthly PITI. A ratio of 1.0 means rent exactly covers the payment. A ratio of 0.60 means rent covers 60 percent of it and you fund the rest.

The reason it beats the older rent-to-price comparison is that it prices the two costs that moved most since 2021. Property taxes and insurance are not proportional to purchase price, and they vary enormously by state and even by city. A payment-based ratio absorbs a rate change, an insurance spike, and a tax reassessment automatically. A price-based ratio absorbs none of them.

The report models PITI at a 6.5 percent 30-year fixed rate with 20 percent down, using city-level tax and insurance figures. Your actual financing will differ, which matters for how you read the rankings later.

Why Did the 1% Rule Stop Working?

The 1 percent rule asked whether monthly rent reached 1 percent of purchase price. It worked when houses were cheap, rates were low, and carrying costs were a rounding error. It fails now because the same purchase price produces wildly different payments in different places.

We covered that failure and the variables that replaced it in why the 1 percent rule is dead. Rent-to-payment is the market-level version of the same correction: it moves the denominator from what you paid to what you owe every month.

What Counts as a Good Rent-to-Payment Ratio?

The report sets three bands:

Note what a 1.0 does not include. Rent covering PITI is not rent covering the property. Vacancy, maintenance, capital expenditures, and management still come out of the same rent, so a 1.0 metro is where cash flow becomes possible, not where it becomes automatic.

Where Does Cash Flow Still Pencil?

The regional averages separate cleanly, and only one region clears break-even:

Detroit tops the table at 1.99, where an average home value near $72,000 against roughly $1,280 in rent leaves a wide margin. Cleveland, St. Louis, Cincinnati, Indianapolis, Columbus, Chicago, and Kansas City cluster in a workable 0.81 to 1.19 band.

At the other end, high prices rather than weak rents drive the ratios down. San Jose sits near 0.39, Austin near 0.40, Los Angeles and Seattle at 0.49, San Francisco at 0.52, and San Diego at 0.56. Rents in those metros are strong. The payments are simply larger than what tenants can carry.

Why Do Two Metros at the Same Price Score Differently?

Because the payment is not mostly the loan. Oklahoma City ranks at 0.56 in large part because homeowner insurance alone runs roughly 40 percent of PITI there, one of the highest shares in the country. In Houston, average annual premiums reach about $7,860, and in Miami about $6,000, both driven by storm and flood exposure.

Run the reverse case and the same mechanism helps you. Birmingham and Indianapolis hold low effective tax rates and moderate insurance, which leaves more of the rent available to absorb the loan. Negotiating hard on price does not rescue a market where non-loan costs are structurally high, and that is the single most useful thing this ratio exposes.

How Should You Actually Use This Number?

  1. Screen metros first, not properties. Use the ratio to decide which three or four markets deserve your attention, then stop using it.
  2. Adjust for your own financing. The rankings assume 6.5 percent and 20 percent down. If you are putting 30 percent down or carrying a higher rate, your effective ratio moves and the metro order can change.
  3. Remember the average hides half the market. In a metro averaging 0.60, half the properties sit above 0.60 by definition. A weak metro average narrows your hunting ground, it does not close it.
  4. Pull real insurance and tax numbers for the specific property. The city-level figures that built the ranking are not the quote you will receive.
  5. Underwrite the property properly before you offer, including vacancy, maintenance, capital expenditures, and management.

For the framework behind that last step, see our guide to analyzing a real estate deal. The ratio narrows the map. It does not analyze the deal.

What the Ratio Cannot See

A metro-level number knows nothing about the house. It does not know what $72,000 buys in Detroit, which street it sits on, what condition the roof is in, or how long it takes to fill a vacancy there. Theoretical cash flow and realized cash flow separate quickly when the property needs work you did not scope or sits empty longer than you modeled.

It also cannot see your strategy. A 0.49 metro is a poor leveraged rental market and can still be a reasonable place to buy with cash, add square footage, or pursue appreciation. The ratio measures one thing well: whether rent covers a financed payment at a modeled rate.

The Takeaway

Rent-to-payment earned its place because it prices what actually changed. Rates, taxes, and insurance moved, and a ratio built on purchase price could not see any of it.

Use it the way it was intended: as the first filter that tells you where to spend your search time, followed by real underwriting on a real property. A 0.76 median across 54 metros does not mean cash flow is gone. It means it stopped being the default and became something you have to go find.