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Cap Rate Calculator

A quick number for comparing investment properties.

This is a planning estimate, not appraisal or investment advice, confirm real numbers with your brokerage and the client's own advisors.

How this is calculated

Cap rate (capitalization rate) divides a property's net operating income (rental income minus operating expenses, before mortgage payments) by its purchase price or current market value, expressed as a percentage.

It's a quick way to compare the income-generating efficiency of properties independent of financing, since it deliberately excludes the mortgage from the calculation.

Reading the number

A higher cap rate generally signals higher potential return but often comes with higher risk (rougher neighborhood, older building, more management overhead); a lower cap rate usually signals a more stable, lower-risk asset in a stronger market. Neither is universally "better," the right target depends on the investor's risk tolerance and strategy.

Cap rate is a screening tool for comparing properties quickly, not a complete underwriting model. It should be paired with cash flow, financing terms, and market trend analysis before an actual purchase decision.

Frequently asked questions

What's considered a good cap rate?

It depends heavily on market and property type, but many investors treat properties in the 5-10% range as a reasonable starting benchmark, adjusting up or down based on local market conditions and risk appetite.

Does cap rate account for mortgage payments?

No, deliberately: cap rate measures a property's income efficiency independent of how it's financed, so two buyers with different mortgage terms can compare the same property on equal footing.

Why would I use cap rate instead of cash-on-cash return?

Cap rate is faster for comparing many properties at a glance since it ignores financing; cash-on-cash return is more useful once you're evaluating a specific deal with a specific financing structure, since it reflects actual investor cash flow.

Next steps

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