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Cap rate (capitalization rate) is the ratio of a commercial property's Net Operating Income (NOI) to its current market value or purchase price, expressed as a percentage. It tells you the annual return a property would generate if you bought it with all cash and no financing. A property with $500,000 in NOI and a $10 million value has a 5% cap rate, meaning it produces 5 cents of net income for every dollar of value. Cap rate is the single most common shorthand for comparing commercial property values, and knowing how to read it separates experienced brokers from everyone else.
Cap Rate Formula
The formula is simple, but each component needs to be calculated correctly for the result to mean anything.
Net Operating Income (NOI) is the property's annual income after operating expenses but before debt service, depreciation, and income taxes. The value is typically the purchase price in a transaction or the appraised value for existing holdings. For a primer on NOI and what goes into it, see the DSCR glossary entry, which covers the same income concepts.
Worked Example
A 120-unit apartment complex in Atlanta generates $1,200,000 in annual NOI. The property just sold for $20,000,000.
That 6.0% tells you two things: the buyer is getting a 6% unlevered return at the purchase price, and the market is pricing the income stream at roughly 16.7 times annual NOI (the inverse of 6%).
Using Cap Rate to Estimate Property Value
Cap rate works in reverse too. If you know a property's NOI and the prevailing cap rate for similar assets in the same market, you can estimate value.
A retail property generating $750,000 in NOI in a market where comparable retail trades at a 7.5% cap rate would be valued at approximately $10,000,000. Use the cap rate calculator to run these numbers quickly.
This is the income approach to valuation, and it is how most commercial real estate is priced. Unlike residential properties, where comparable sales (comps) drive pricing, commercial properties are valued primarily based on the income they produce.
What Drives Cap Rates Up or Down
Cap rates are not fixed. They move based on supply, demand, risk perception, and the broader interest rate environment.
| Factor | Effect on Cap Rate | Why |
|---|---|---|
| Rising interest rates | Cap rates tend to rise | Higher borrowing costs make leveraged returns less attractive, pushing prices down relative to income |
| Strong investor demand | Cap rates compress | More buyers competing for the same assets pushes prices up, lowering the ratio of income to price |
| Higher perceived risk | Cap rates rise | Investors demand more return to compensate for uncertainty (weaker market, unstable tenants, older building) |
| Stable, creditworthy tenants | Cap rates compress | Predictable income reduces risk, so investors accept a lower return |
| Primary vs. secondary market | Primary = lower cap rates | Major metro properties are seen as safer; secondary and tertiary markets require higher returns |
Typical Cap Rate Ranges by Property Type
These are general ranges and shift based on market conditions, location, property quality, and tenant credit. They provide a starting framework, not definitive answers.
| Property Type | Typical Cap Rate Range | Key Drivers |
|---|---|---|
| Multifamily | 4.0% - 6.5% | Stable demand, agency financing availability, housing necessity |
| Industrial | 4.5% - 7.0% | E-commerce demand, long-term NNN leases, limited new supply in some markets |
| Retail | 5.5% - 8.5% | Tenant credit, lease term, location quality, e-commerce impact |
| Office | 6.0% - 9.0% | Remote work impact, lease rollover risk, market and submarket |
| Hospitality | 7.0% - 10.0% | Revenue volatility, management intensity, seasonal fluctuations |
| Self-Storage | 5.0% - 7.5% | Low operating costs, month-to-month leases, recession resilience |
Cap Rate vs Other Key Metrics
Cap rate is one of several metrics that lenders and investors use. Understanding what it does and does not tell you is important.
| Metric | What It Measures | How It Differs from Cap Rate |
|---|---|---|
| DSCR | Income coverage of debt payments | Accounts for financing; cap rate ignores debt entirely |
| Cash-on-Cash Return | Return on equity invested | Includes leverage effect; two deals at the same cap rate can have different CoC returns |
| Debt Yield | NOI relative to loan amount | Measures lender risk; cap rate measures total property return |
| GRM (Gross Rent Multiplier) | Price relative to gross income | Ignores expenses entirely; cap rate uses NOI (after expenses) |
The biggest limitation of cap rate is that it ignores financing. A property with a 5% cap rate might produce an 8% cash-on-cash return with favorable leverage, or a 3% return with expensive debt. Cap rate tells you about the asset, not the investment. To understand the full picture, you need to layer in debt service and look at DSCR and cash-on-cash together.
How Brokers Should Use Cap Rate
When you are sourcing deals or advising clients, cap rate is your quickest filter. It tells you instantly whether a property's asking price is in line with the market. If similar properties in the same submarket trade at 6% cap rates and a seller is asking a price that implies a 4.5% cap, you know the deal is priced aggressively, and you can have that conversation with your client backed by data.
When presenting a deal to lenders, include the cap rate alongside DSCR, debt yield, and LTV. Lenders use it to sanity-check the purchase price. If the cap rate is significantly below market norms for the property type, expect questions about whether the borrower is overpaying.
When comparing exit scenarios, cap rate projections help borrowers understand how sensitive their returns are to market movement. A 50-basis-point shift in cap rates on a $20 million property changes the value by more than $1 million. Showing clients this sensitivity builds trust and demonstrates your analytical depth.
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Try Janover Pro →This content is for informational and educational purposes only and does not constitute financial, legal, tax, or investment advice. Janover Pro is a technology platform that connects commercial mortgage brokers with lenders. Janover Pro is not a lender and does not make lending decisions. Loan terms, rates, eligibility, and availability are determined by individual lenders and are subject to change without notice. Consult qualified financial and legal professionals before making financing decisions.
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