Most investors rely on gut feel or a single metric. The best ones run a systematic analysis that catches what instinct misses. Here's the framework.
NOI is the foundation. Every other metric in CRE analysis depends on it. Get this wrong and everything downstream is wrong too.
Net Operating Income measures what a property earns after vacancy losses and operating expenses, but before mortgage payments. It strips out financing, so you can evaluate the property on its own merits.
Operating expenses include property taxes, insurance, property management (typically 8-12% of effective gross income), maintenance, utilities if owner-paid, and administrative costs. They do not include mortgage payments, capital expenditures, or depreciation.
A property with $300,000 gross income, 6% vacancy, and $105,000 in expenses has an NOI of $177,000. That single number tells you more about the property than the listing price does.
Cap rate is the market's pricing signal. It tells you how the market values a property relative to its income — and whether you're paying a premium or getting a deal.
A $2M property with $160,000 NOI trades at an 8% cap rate. The same NOI on a $4M property is a 4% cap rate. The difference? Risk, location, and growth expectations.
Lower cap rates (3-5%) mean the market considers the asset low-risk — stable tenants, prime location, little upside. Higher cap rates (8%+) signal either higher risk or value-add opportunity. Neither is inherently "better" — it depends on your investment strategy.
Cap rate is also how investors estimate what a property should sell for. If market cap rates for similar assets are 6.5% and your NOI is $130,000, the implied value is $2M.
Cap rate ignores financing. Cash-on-cash doesn't. This is where the actual deal economics show up — because almost nobody pays all cash.
Annual Cash Flow = NOI minus annual debt service (mortgage payments). Total Cash Invested = down payment + closing costs + rehab costs.
This metric answers the question that actually matters: what am I earning on the cash I put in? A property with a mediocre 5% cap rate can deliver 12% cash-on-cash if the financing terms are favorable. Conversely, aggressive leverage on a strong cap rate property can destroy cash yield if rates are high.
Most experienced investors target 8-12% cash-on-cash return as a minimum threshold, though this varies by market and risk tolerance.
Steps 1-3 give you the core metrics. A full analysis adds two more dimensions: time and leverage.
Internal Rate of Return (IRR) accounts for the time value of money across your hold period. It factors in annual cash flow, property appreciation, debt paydown, and net sale proceeds. A property might have weak Year 1 cash-on-cash but strong IRR because the appreciation and equity buildup compound over time.
Debt Service Coverage Ratio (DSCR) = NOI ÷ Annual Debt Service. Lenders require a minimum DSCR (usually 1.20-1.25x) before approving a loan. If DSCR is below 1.0, the property doesn't generate enough income to cover the mortgage — and you're feeding the deal from your pocket every month.
A complete deal analysis puts all these metrics together: NOI, cap rate, cash-on-cash, IRR, DSCR, and a verdict on whether the numbers actually work.
Running the numbers is step one. Interpreting them is where deals are made or lost.
No single metric tells the whole story. A "green" cap rate with a "red" DSCR means the property looks good on paper but can't sustain its debt. A negative cash-on-cash with a high IRR means you'll bleed cash for years hoping appreciation bails you out. Both are risky. The decision framework below shows how to read the signals together.
Cap rate at or above market, CoC ≥ 8%, DSCR ≥ 1.25x, positive monthly cash flow. The deal works today and has margin for error.
Below-market cap rate now, but NOI has clear upside (vacancy reduction, expense cuts, rent increases). IRR matters more than Year 1 cash flow here.
DSCR between 1.0-1.2x, thin cash flow margins, or cap rate significantly below target. One bad quarter (vacancy spike, major repair) could push the deal negative.
DSCR below 1.0, negative cash flow with no clear path to improvement, or cap rate well below market with no value-add thesis. The math doesn't work.
Each metric answers a different question. Here's when to reach for each one.
| Metric | What It Measures | Best For | Limitation |
|---|---|---|---|
| NOI | Property income after operating expenses | Comparing properties regardless of financing | Ignores financing, appreciation, and tax impact |
| Cap Rate | Unleveraged yield (NOI / Value) | Market pricing, property comparison | Ignores financing terms and actual cash returns |
| Cash-on-Cash | Cash yield on invested capital | Evaluating deal structure and leverage impact | Single-year snapshot, ignores appreciation |
| IRR | Total return over hold period | Comparing deals with different timelines | Sensitive to assumptions (appreciation, exit cap) |
| DSCR | Income relative to debt obligations | Loan qualification, risk assessment | Only relevant for leveraged deals |
Rule of thumb: Use cap rate to screen properties. Use cash-on-cash to screen deals. Use IRR to compare opportunities across different hold periods and risk profiles. Use DSCR to stress-test whether the deal survives a downturn.
Calculate Net Operating Income (NOI). NOI equals gross rental income minus vacancy losses and operating expenses. It measures a property's income before financing and is the foundation for every other CRE metric including cap rate, DSCR, and property valuation.
Cap rate measures a property's unleveraged yield (NOI divided by property value) and ignores how you finance the deal. Cash-on-cash return measures your actual cash yield after financing — it factors in your down payment, mortgage payments, and closing costs. Cap rate compares properties; cash-on-cash compares deals.
There's no universal "good" cap rate — it depends on property type, location, and risk tolerance. Class A multifamily in gateway cities trades at 3.5-5%, industrial at 5-7%, and value-add properties at 8-12%+. Lower cap rates mean lower risk but less cash flow; higher cap rates mean higher risk with more income potential.
IRR is the discount rate that makes the net present value of all cash flows equal to zero. It accounts for the time value of money across the full hold period, including annual cash flow, debt paydown, property appreciation, and net sale proceeds. Most investors target 15%+ IRR for value-add deals and 8-12% for stabilized assets.
DSCR (Debt Service Coverage Ratio) equals NOI divided by annual debt service (mortgage payments). It tells lenders whether a property generates enough income to cover its debt obligations. Most lenders require a minimum DSCR of 1.20-1.25x, meaning the property earns 20-25% more than its mortgage payments.
Use both — they answer different questions. Use cap rate to compare properties against each other and the market (it strips out financing). Use cash-on-cash return to evaluate the actual deal structure. A property with a mediocre cap rate can have excellent cash-on-cash return with favorable financing, and vice versa.
Enter your email to access LandForge's full deal analyzer — NOI, cap rate, cash-on-cash, IRR, and DSCR calculated automatically.