Cap Rate in Plain English: Income vs. Price

Capitalization rate, or cap rate, is a property's yearly net operating income (NOI) divided by its value. It tells you what the property would return if you paid all cash. Financing is left out on purpose.

Cap rate = NOI ÷ value

A simple example

Example, round numbers. A fourplex collects $60,000 a year in rent. Vacancy, taxes, insurance, repairs and management total $20,000. NOI is $40,000. At a $500,000 price, the cap rate is $40,000 ÷ $500,000, or 8%. At $625,000, the same income is a 6.4% cap rate.

How it gets used

Cap rate works best as a quick screen: is this price reasonable for this income, and how does it stack up against similar buildings nearby? Lenders and appraisers use market cap rates to check whether projected income and value line up, especially on income-producing and commercial property.

You can also flip the formula to estimate value: NOI ÷ market cap rate. If similar fourplexes trade at a 7% cap rate, $40,000 of NOI points to a value of about $571,000.

A higher cap rate usually means more income per dollar, but often more risk. A lower one usually means a safer or more in-demand location.

Why it matters to you

Cap rate is only as good as the NOI behind it. Use verified rents and full expenses, and leave the mortgage out. Then treat it as a first filter, not the final answer. It ignores leverage, rehab upside and future appreciation.

On a rental loan, the property's income also drives the debt service coverage ratio (DSCR). RSC Private Lending's DSCR Rental program qualifies 1 to 4 unit rentals on property cash flow, with no personal income documents. Send us your scenario for a term sheet in 24 hours. Subject to underwriting.