How to Value a REIT: FFO, NAV, and Cap Rate Explained
Real Estate Investment Trusts occupy a unique corner of the equity market. They are required by law to distribute at least 90% of taxable income as dividends, they own large portfolios of physical properties, and they raise capital almost continuously through equity and debt offerings. All of these characteristics make standard equity valuation metrics — particularly P/E ratios and earnings per share — nearly useless when applied to REITs.
This guide explains why traditional earnings analysis breaks down for REITs and walks through the four primary valuation frameworks that analysts actually use: Funds From Operations (FFO), Adjusted FFO (AFFO), Net Asset Value (NAV), and Cap Rates. Understanding these tools gives you a much clearer picture of whether a REIT is cheap, fairly valued, or overpriced.
This article is for educational purposes only and does not constitute financial advice.
Why Net Income Doesn't Work for REITs
For a typical industrial company, net income is a reasonable (if imperfect) proxy for cash generation. Depreciation on machinery is a real economic cost — equipment genuinely wears out and must be replaced.
Real estate behaves differently. Buildings do depreciate on the balance sheet, and GAAP accounting requires REITs to recognize this depreciation as an expense. But in practice, well-maintained commercial and residential properties in desirable locations frequently appreciate in value over time rather than decline. The depreciation charge on the income statement is therefore a non-cash accounting fiction that can be enormous — often consuming 30-50% of a REIT's stated "earnings."
The result is that two REITs with identical underlying businesses and cash flows can show wildly different net income figures depending on the age of their property portfolio and their acquisition history. A REIT that recently bought a large portfolio will show heavy depreciation and potentially a net loss, while an older REIT with a mostly depreciated portfolio looks highly profitable. Neither figure reflects the economic reality of the business.
The National Association of Real Estate Investment Trusts (NAREIT) addressed this problem decades ago by standardizing an alternative metric.
Funds From Operations (FFO)
FFO = Net Income + Depreciation & Amortization − Gains on Property Sales
FFO adds back depreciation (since it does not represent a cash outflow for a real estate company the same way it does for manufacturing) and subtracts gains from property sales (since those are one-time events, not recurring business operations).
The adjustment for property sale gains is important and often overlooked. A REIT that sells several properties at a profit will report elevated net income in that year, but that earnings boost is not repeatable. Stripping out gains normalizes the comparison.
FFO is the closest thing REITs have to an industry-standard earnings figure. Virtually every REIT discloses its FFO per share in earnings releases, and the P/FFO multiple — price divided by FFO per share — serves the same function as the P/E ratio for traditional companies.
P/FFO Benchmarks:
- Below 12x: Potentially deep value territory; worth investigating for distress reasons
- 12x–15x: Historically inexpensive range
- 15x–18x: Fair value for most subsectors
- 18x–22x: Premium valuation; justified only for high-growth or highest-quality REITs
- Above 22x: Expensive; requires very strong growth assumptions
These thresholds are rough guidelines and shift meaningfully with interest rate environments. When 10-year Treasury yields are low, investors accept lower cap rates and higher P/FFO multiples. When rates rise, REIT multiples compress.
Adjusted FFO (AFFO) — The Better Cash Flow Metric
FFO is a major improvement over net income, but it still has a limitation: it ignores capital expenditures necessary to maintain the properties in rentable condition (recurring maintenance capex). A REIT that is underinvesting in its properties will show elevated FFO but is essentially borrowing from its future.
AFFO corrects this by subtracting recurring maintenance capital expenditures from FFO:
AFFO = FFO − Recurring Capital Expenditures + Straight-Line Rent Adjustments
The straight-line rent adjustment removes another accounting artifact: GAAP requires REITs to recognize rent revenue evenly over a lease term even if the lease contains rent holidays or escalating rents. Adding back the difference between GAAP rent and actual cash rent received gives a truer picture of cash generation.
AFFO is considered the most accurate measure of a REIT's true distributable cash flow. Analysts who build detailed REIT models almost always work from AFFO rather than FFO.
The Dividend/AFFO Payout Ratio
Because REITs must pay out 90% of taxable income, their dividend yields tend to be high relative to the broader market. But a high yield alone tells you very little about dividend safety.
The metric that actually matters is the AFFO payout ratio:
AFFO Payout Ratio = Dividends Paid / AFFO
- Below 75%: Very comfortable; REIT has room to grow dividend or retain capital
- 75%–90%: Healthy and sustainable for most business models
- 90%–100%: Tight; little buffer against a downturn in rental income
- Above 100%: The REIT is paying out more than it earns — unsustainable without asset sales or new equity issuance
A payout ratio consistently above 90% is a yellow flag, especially if the REIT is also carrying high debt. Many REIT dividend cuts through history have followed a predictable pattern: tight payout ratios plus rising vacancy rates plus high leverage equals a forced dividend reduction.
Net Asset Value (NAV) — The Balance Sheet Approach
The NAV method values a REIT by appraising the market value of its properties and then subtracting all liabilities to arrive at an intrinsic equity value:
NAV = Appraised Value of All Properties − Total Debt and Other Liabilities
Dividing NAV by shares outstanding gives NAV per share, which you can compare to the current stock price. A REIT trading at a 20% discount to NAV (price/NAV of 0.80x) looks optically cheap; one trading at a 20% premium to NAV may be pricing in superior management or above-market growth.
In practice, you rarely have access to independent appraisals for every property in a REIT's portfolio. Analysts proxy NAV by capitalizing the REIT's Net Operating Income (NOI) at an appropriate cap rate:
Implied Property Value = NOI / Cap Rate
The cap rate you use becomes the critical assumption. Using a lower cap rate implies you believe properties are worth more (as cap rates and values move inversely). Vary your cap rate assumption by +/- 50 basis points and see how dramatically the NAV per share swings — it highlights how sensitive NAV analysis is to this one input.
Cap Rates and Their Relationship to REIT Valuation
The capitalization rate measures the yield generated by a property independent of financing:
Cap Rate = Net Operating Income / Property Value
If a warehouse generates $2 million in NOI annually and trades at $25 million, its cap rate is 8%. Cap rates are essentially the real estate equivalent of an earnings yield.
Cap rates vary enormously by property type, geography, and market cycle:
- Core urban multifamily and industrial: 4–5% cap rates in strong markets
- Suburban office and retail: 6–8%
- Secondary markets and specialized assets: 8–10%+
The relationship between cap rates and REIT valuations is direct: when market cap rates fall (properties get more expensive), REIT NAVs rise. When cap rates rise (as they did aggressively in 2022–2023 when interest rates spiked), REIT values decline.
REITs with lower cap rate property portfolios tend to trade at higher P/FFO multiples, because investors are essentially accepting a lower current yield in exchange for perceived quality and growth potential.
Interest Rate Sensitivity
REITs are among the most interest-rate-sensitive sectors in the equity market. The sensitivity runs through multiple channels:
Direct cost of capital: REITs refinance debt continuously. When rates rise, refinancing costs increase and reduce distributable cash flow.
Valuation compression: Higher risk-free rates compress the premium investors pay for REIT income. If 10-year Treasuries yield 5%, investors require a meaningfully higher yield from a REIT than they would if Treasuries yielded 2%.
Cap rate expansion: Rising rates typically push cap rates higher, which mechanically reduces property values and NAV per share.
Positive offset: REITs that own properties with shorter lease terms (self-storage, hotels, residential apartments) can reprice rents upward in inflationary environments, providing partial protection.
The practical implication: REIT valuations are most attractive when rates are falling or expected to fall, and most under pressure during rapid rate-increase cycles. The 2022 selloff in REITs — many names fell 30–50% — was primarily a rate-driven multiple compression rather than a deterioration in underlying operating performance.
Subsector Differences Matter Enormously
Not all REITs are created equal. The REIT universe spans dramatically different business models:
Industrial and Logistics: Warehouses, distribution centers, and data centers. Long-term secular tailwind from e-commerce. Industrial REITs have generally maintained very high occupancy and strong rent growth.
Residential (Multifamily and Single-Family): Demographic demand provides a durable tailwind. Shorter lease terms (typically 12 months) allow faster rent resets. Subject to local rent regulation in some markets.
Retail: Mall and strip-center REITs face structural headwinds from e-commerce. Distinguish between Class-A destination malls (still performing) and Class-B/C malls (structurally challenged). Grocery-anchored strip centers are more resilient.
Office: Permanently impaired by hybrid work trends in many major markets. Vacancy rates in many urban office markets have reached historic highs. Requires very careful underwriting; avoid on valuation alone.
Healthcare: Skilled nursing facilities, senior housing, and medical office buildings. Demographic tailwinds from aging population, but regulatory and reimbursement risk. Operator quality is critical.
Self-Storage: Extremely recession-resilient demand. Very low capital intensity once built. Short-term leases allow rapid rent adjustment. Tends to trade at premium multiples.
Data Centers: Benefiting from AI infrastructure buildout. High barriers to entry, very long leases. Among the fastest-growing subsectors.
The appropriate P/FFO multiple and cap rate for a REIT depends heavily on which subsector it operates in. Comparing an office REIT multiple directly to a data center REIT multiple without context is misleading.
How to Screen REITs on ValueMarkers
ValueMarkers does not have a dedicated FFO field (since this requires company-specific adjustments), but several standard metrics serve as useful proxies for REIT screening:
Price-to-Book Ratio: The book value of a REIT's assets is a rough proxy for property value (though often understated for older, appreciated properties). A P/B below 1.0x sometimes indicates a discount to asset value, though it can also reflect legitimate market concerns.
Dividend Yield: Filter for REITs with above-sector-average yields, then cross-check payout ratio to confirm sustainability.
Payout Ratio: High payout ratios (above 90%) warrant closer inspection of the underlying AFFO trend.
Debt/Equity: REITs carry substantial debt by design, but excessive leverage (D/E above 1.5x for most subsectors) increases vulnerability to rate rises and occupancy downturns.
Revenue Trend: Consistent revenue growth across multiple years suggests stable or improving occupancy and rental rates.
A useful starting screen: dividend yield > sector median, payout ratio < 85%, D/E < 1.2x, positive revenue growth over 3 years. This narrows the REIT universe to those combining income, payout safety, reasonable leverage, and operational health — a solid starting point for deeper FFO/AFFO and NAV analysis.
Putting It All Together
Valuing a REIT well requires layering multiple methods rather than relying on any single metric:
- Start with FFO/AFFO per share to understand recurring cash generation
- Calculate the P/FFO multiple and compare to historical range and subsector peers
- Check the AFFO payout ratio to assess dividend sustainability
- Estimate NAV by capitalizing NOI at a reasonable cap rate, then compare to market price
- Assess interest rate exposure — how much debt matures in the next 3 years, and at what rates?
- Consider the subsector and whether structural trends are headwinds or tailwinds
No single indicator gives you the full picture. A REIT trading at a low P/FFO may deserve the discount because of high leverage or deteriorating occupancy. A REIT trading at a premium NAV may be justified by a best-in-class portfolio in a high-barrier market. The combination of quantitative metrics and qualitative assessment of asset quality and management track record is what separates disciplined REIT analysis from simple yield-chasing.