What Is a Cap Rate — And Why Does It Matter?

What Is a Cap Rate — And Why Does It Matter?

If you've spent any time in commercial real estate, you've likely heard the term cap rate. It's one of the first metrics investors use to evaluate opportunities because it provides a quick snapshot of a property's income-producing potential. Understanding cap rates helps investors quickly compare opportunities, assess risk, and determine whether a property is priced fairly in today's market.

Cap Rate = NOI ÷ Property Value

NOI (Net Operating Income) is a property's income after operating expenses but before mortgage payments and taxes.

Example

• NOI: $100,000

• Purchase Price: $1,500,000

• Cap Rate: 6.67%

This means the property generates a 6.67% annual return before financing.

What Cap Rate Tells You

• Expected Annual Return – A property's income yield assuming an all-cash purchase.

• Property Valuation – Investors estimate value using: Value = NOI ÷ Cap Rate.

• Market Pricing – Falling cap rates signal strong investor demand and rising values; rising cap rates signal softening demand or increased risk. Tracking this trend helps you time acquisitions and dispositions more effectively.

What Cap Rate Doesn't Tell You

Cap rate is a useful starting point, but it doesn't tell the whole story.

• Financing Costs – Cap rates assume an all-cash purchase.

• Future Appreciation – A cap rate reflects today's income, not tomorrow's value.

• Tenant Quality – Two properties with identical cap rates may carry very different levels of risk.

Tax Tip

Commercial properties generally depreciate over 39 years, creating tax deductions that may improve after-tax returns. On a $1,500,000 property, that's approximately $38,000 in annual deductions. Smart investors evaluate both pre-tax and after-tax performance when analyzing opportunities.

When your financing rate exceeds your cap rate, every dollar borrowed reduces your return. In today's rate environment, always confirm your cap rate exceeds your borrowing cost before acquiring.

💡 Did You Know? A 0.5% shift in cap rate on a $2,000,000 property can change its value by over $167,000 — without a single dollar of income changing.

Three Investor Takeaways

Beyond the basics, here's what separates informed investors from the rest.

Increase NOI, Increase Value At a 6% cap rate, a $10,000 increase in NOI can create roughly $167,000 in additional property value.

Exit Cap Rates Matter The cap rate you sell at can significantly impact your overall return. Always evaluate future exit assumptions before acquiring a property.

Buy at 7% cap, sell at 6.5% cap on $100,000 NOI — your exit value rises from $1,428,571 to $1,538,461, adding over $109,000 in value. The market moving in your favor can be as powerful as growing income.

Look Beyond the Cap Rate A higher cap rate isn't always a better investment. Strong tenants, longer lease terms, and better locations often justify lower cap rates and more stable returns.

Cap rate is where analysis begins — not where it ends. The investors who consistently outperform don't just find the best cap rate; they find the best risk-adjusted return. That means looking beyond the number to evaluate tenant quality, lease structure, financing, market trajectory, and exit strategy.

-By Neerja W. Kwatra, MBA, CPA, CCIM 

Managing Partner | New Edge Commercial Real Estate