Capitalization Rate

What Is Capitalization Rate?

Capitalization rate, usually called cap rate, is a real estate yield measure that compares a property's net operating income with its value or purchase price. It is widely used to evaluate income-producing real estate such as apartment buildings, offices, retail centers, warehouses, and self-storage properties.

Cap rate strips out financing so investors can compare the property's income yield before considering a specific mortgage, down payment, or tax structure. That makes it useful, but not complete.

Formula

A common cap rate formula is:

Net operating income, or NOI, is property income after operating expenses but before debt service, depreciation, income taxes, and capital structure effects. Property value may be the purchase price, current market value, or appraised value depending on the analysis.

Example

If a property produces $300,000 of annual NOI and is valued at $5 million, the cap rate is 6%. The same NOI at a $4 million price implies a 7.5% cap rate. The higher cap rate looks cheaper on current income, but it may also reflect weaker tenants, lower growth, location risk, or deferred maintenance.

Cap rates therefore require context. A 5% cap rate in a high-growth market with durable tenants may be more attractive than an 8% cap rate on a property with rollover risk and heavy capital needs.

How Investors Use Cap Rates

Investors use cap rates to compare properties, estimate value from NOI, and assess market pricing. If similar properties trade around a 6% cap rate and a property has $600,000 of NOI, a rough value indication is $10 million before adjusting for quality, leases, growth, and risk.

Cap rates also move with interest rates and capital availability. When borrowing costs rise, buyers may demand higher cap rates. When capital is abundant and rents are growing, cap rates may compress.

What Cap Rate Leaves Out

Cap rate is a snapshot, not a full return forecast. It does not show rent growth, vacancy changes, refinancing risk, sale proceeds, investor taxes, leverage, or future capital expenditures. A property with old roofs, expiring leases, or below-market rents can have a misleading current cap rate.

It also does not measure cash-on-cash return. Financing terms can make two investors experience very different results on the same property.

Market Context

Cap rates are also a market signal. When investors are willing to accept lower cap rates, they may be pricing in lower perceived risk, stronger rent growth, easier financing, or scarcity of attractive assets. When cap rates rise, buyers may be demanding more current income because financing is more expensive or future growth looks less certain.

For that reason, a cap rate should be compared with similar properties in the same market, not treated as a universal hurdle rate. Property type, lease term, tenant quality, age, location, and capital needs can all justify different cap rates.

NOI Quality

The numerator deserves as much attention as the rate. NOI based on trailing results, pro forma rent, temporary expense savings, or aggressive vacancy assumptions can produce very different cap rates. Investors should ask whether NOI is stabilized, recurring, and supported by actual leases.

The Bottom Line

Capitalization rate is a quick measure of an income property's unlevered yield. It is useful for comparing real estate pricing, but serious analysis should pair cap rate with lease quality, growth assumptions, capital expenditures, financing, and market risk.