What the bands mean
Under about 15, prices are low relative to rents and properties are more likely to cash flow with conventional leverage — typically older industrial metros and much of the Midwest and South. Between 15 and 20 sits the middle ground, where deals exist but require buying below market, adding value, or accepting thin early cash flow. Above 20, the market is priced on expected appreciation and on buyers who are not investors, and a leveraged rental bought at retail will usually run negative. None of those bands is a verdict on whether to invest, only on which strategy the market will tolerate.
How it is computed
Two published medians and one division: take the median home price for the area and divide it by median annual rent, which is median monthly rent times twelve. A $260,000 median price against $1,600 median rent lands at about 13.5. The cheapness of that calculation is the point, because market selection decides more than property selection — a disciplined buyer in a market where rents support prices will out-earn a brilliant negotiator in a market where they do not. Compressing the arithmetic into one comparable number makes it a practical first cut when the alternative is defaulting to whichever market you happen to live in.
Price-to-rent ratio = median home price ÷ (median monthly rent × 12). A $260,000 median price against $1,600 median rent is about 13.5.
Why the ratio alone is not enough
It uses medians, and medians hide the properties you would actually buy. It ignores property tax, which can differ by a factor of three between states and turn two identical ratios into opposite outcomes. It ignores insurance, which has moved sharply in coastal and hail-belt markets. And it says nothing about job growth, population trend, landlord-tenant law, eviction timelines, or the condition of the housing stock — a market with a beautiful ratio and a shrinking employment base is a trap.
How to use it in market selection
Start broad and narrow deliberately. Rank candidate metros on the ratio, cut the ones your strategy cannot support, then compare the survivors on tax and insurance load, rent growth, vacancy, tenant demand, and how quickly you can turn a unit. Then descend to the submarket, because a single metro routinely contains ZIP codes at 9 and ZIP codes at 22. Nationwide screening with a deal score makes that funnel practical, since every market gets compared on the same basis rather than on familiarity. Recompute the ratio yearly, too, because markets move: a metro that supported cash flow at a 13 can drift past 18 in a few strong years, and the strategy that worked when you bought may not be the one that works when you buy again.
Put it to work
Related terms
- GRM (gross rent multiplier) — Purchase price divided by gross annual rent — a one-line screen for how expensive a property is relative to the income it produces.
- 1% rule — A screening shortcut: monthly rent should equal at least 1% of the purchase price plus rehab.
- Cap rate — Capitalization rate — net operating income divided by purchase price, shown as a percent.
- Vacancy rate — The share of potential rental income lost to empty units over a period.