Cap Rate vs Cash-on-Cash Return

Ask two investors whether a deal is good and one will quote the cap rate while the other quotes cash-on-cash return. They are not disagreeing; they are answering different questions. Knowing which number to trust, and when, is basic literacy for buying rentals.

Cap rate: the property on its own merits

Capitalization rate, or cap rate, is a property's annual net operating income divided by its price or value. Net operating income (NOI) is all rental income minus all operating expenses, but crucially it does not subtract the mortgage.

Because cap rate ignores financing entirely, it lets you compare two properties on equal footing regardless of how each is paid for. It answers: if I bought this in cash, what unleveraged return would the property itself produce? A higher cap rate generally signals more income relative to price, though very high cap rates often come with more risk or a weaker location.

Cash-on-cash: the return on your actual cash

Cash-on-cash return is annual pre-tax cash flow divided by the actual cash you put into the deal, typically your down payment plus closing costs and any upfront rehab. Unlike cap rate, it fully accounts for your mortgage, because cash flow is what is left after the loan payment.

This is the number that tells you how hard your own dollars are working. Two investors can buy the identical property and earn very different cash-on-cash returns purely because one used more leverage than the other.

What counts as a good number?

There is no universal answer, because both figures depend heavily on market, property class and strategy. That said, some rough context:

• Cap rate often falls somewhere in the 4% to 10% range depending on the market. Expensive, stable metros trade at lower cap rates; cheaper or higher-risk markets at higher ones.
• Cash-on-cash return is commonly targeted at 8% or higher by buy-and-hold investors, though what is acceptable varies with your goals and financing.

Chasing the highest cap rate blindly can lead you into declining areas; chasing the highest cash-on-cash can tempt over-leverage. The best deals look reasonable on both.

Using them together

Smart investors read the two side by side. A property with a solid cap rate but weak cash-on-cash usually means the financing is the problem (too little down, a high rate). A strong cash-on-cash on a thin cap rate usually means heavy leverage is flattering the return and adding risk. When both are healthy, the deal has genuine margin.

The rental property calculator computes both from the same inputs, so you can see how a change in price, rent or down payment moves each one.

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