Understanding Cap Rates: The Metric Every Investor Needs to Know
Cap rate is one of the most important metrics in rental property analysis. Learn how to calculate it, what a good cap rate looks like, and when to use it.
If you've spent any time analyzing rental properties, you've heard the term "cap rate" thrown around. It's one of the first metrics experienced investors look at — and for good reason.
What Is a Cap Rate?
Capitalization rate (cap rate) measures a property's rate of return based on the income it generates. The formula is simple:
Cap Rate = Net Operating Income (NOI) / Property Value × 100
For example, if a property generates $14,000 in annual NOI and is valued at $200,000, the cap rate is 7%.
What's a "Good" Cap Rate?
There's no universal answer — it depends on your market, property type, and investment strategy:
- 4–5%: Common in high-demand metro areas (think Austin, Nashville). Lower risk, lower return.
- 6–8%: The sweet spot for many investors. Solid cash flow with manageable risk.
- 9%+: Higher returns, but often in markets with higher vacancy or less appreciation potential.
When Cap Rate Doesn't Tell the Full Story
Cap rate is a snapshot metric — it doesn't account for financing, appreciation, or tax benefits. A property with a 6% cap rate might outperform an 8% cap rate property once you factor in:
- Loan leverage (cash-on-cash return)
- Market appreciation trends
- REP status tax deductions
That's why tools like Pacific Rentals Pro show you the complete picture — cap rate alongside cash-on-cash return, DSCR, and projected cash flow.
The Bottom Line
Cap rate is essential for quick comparisons, but never make a buying decision on cap rate alone. Use it as a screening tool, then dig into the full analysis before writing an offer.