High occupancy tells you that most of a commercial property's space is leased and producing rent today. It does not tell you how long those leases last, whether the rents are at market, how reliable the tenants are, or what the building will cost to operate. High occupancy is a good starting signal, not a verdict. Before you pay a premium for a full building, confirm the quality and durability of the income behind the percentage.
What occupancy measures
Occupancy is the share of a property's rentable space that is leased or occupied. Two figures are commonly confused:
- Physical occupancy: the share of space actually occupied by tenants.
- Economic occupancy: the share of potential rent actually being collected, after vacancy, concessions and unpaid rent.
A building can be 100 percent physically occupied and still have lower economic occupancy if tenants are on free rent, behind on payments or paying well below the asking rate. Always ask which one a seller is quoting. Leased occupancy can also differ from occupied occupancy: a tenant may have signed a lease but not yet moved in or begun paying.
What high occupancy tells you
- There is demand for the space. A well-leased building suggests the location, layout and price work for tenants.
- Income is likely in place. Lenders and investors generally prefer to underwrite existing cash flow rather than a lease-up projection.
- Lower near-term leasing costs. Fewer vacant suites usually mean less spending on commissions, tenant improvements and free rent to fill them.
- Management is probably functional. Persistent high occupancy can reflect responsive ownership.
What high occupancy does not tell you
When the leases expire
A 95 percent occupied building where most leases end within 18 months carries more rollover risk than an 85 percent occupied building with long, staggered leases. The lease expiration schedule matters as much as the occupancy percentage. Our post on evaluating long-term leases goes deeper.
Whether rents are at market
If tenants pay rents well above current market, the income may not survive renewal. If they pay well below market, the building may have upside, but that is not guaranteed. Market rent varies by submarket, building quality and space type, so verify with CoStar, a broker's analysis or an appraisal. See below-market rent: opportunity or risk.
Tenant quality and concentration
One tenant occupying 60 percent of a building makes "full" misleading. If that tenant leaves, the property becomes mostly vacant overnight. Look at how much of the rent each tenant pays, their financial strength, their industry and how important the location is to their operations.
How the occupancy was achieved
Short-term deals, free rent periods, large tenant improvement allowances or below-market incentives can fill a building cheaply for a sale. The rent roll shows base rents, but concessions may be documented only in the leases.
Operating expenses and capital needs
A full building with an aging roof, deferred maintenance or high operating expenses may deliver less net income than it appears. Occupancy says nothing about the physical condition of the property.
Whether tenants actually pay
Collections, arrears and security deposits show whether the income is dependable. Ask for payment history, not just a rent roll.
Questions to ask about any high-occupancy property
| Question | Why it matters |
|---|---|
| What are the lease expiration dates? | Shows rollover risk and renewal timing |
| How do in-place rents compare with market? | Tests whether income is sustainable or has upside |
| What share of rent does each tenant pay? | Reveals concentration risk |
| Are there free rent periods, abatements or unpaid TI allowances? | Affects true income and cash needs after closing |
| Do tenants have termination, renewal or purchase options? | Can change the value of the income stream |
| What are expense reimbursements and the lease type? | Determines who bears the operating costs |
| How has occupancy trended over several years? | A stable record is more reassuring than a recent spike |
Use our guide to analyzing a rent roll to work through the first several of these, and see triple net leases and CAM charges to understand how expenses flow through to tenants.
A hypothetical example: two buildings, same occupancy
For example, suppose two multi-tenant buildings are each 95 percent occupied. The numbers below are hypothetical and only illustrate why the percentage can mislead.
| Feature (hypothetical) | Building A | Building B |
|---|---|---|
| Occupancy | 95% | 95% |
| Average remaining lease term | 6 years, staggered | 14 months, mostly one date |
| Largest tenant share of rent | 15% | 55% |
| In-place rent vs. market | Near market | Above market |
| Free rent still owed to tenants | None | Several months |
Building A has the more durable income. Building B may be priced as if it were just as secure, but it carries more rollover risk, more concentration risk and a rent level that may reset downward. A buyer who looked only at occupancy would pay the same for both.
How occupancy affects value and financing
Value on income-producing property flows from net operating income, so higher occupancy typically supports a higher valuation. Buyers apply a cap rate to NOI, and the perceived quality of that NOI influences which cap rate they accept. Stable, long-leased income with strong tenants is generally valued more favorably than income that is short-dated or concentrated. Our posts on calculating NOI and determining market value explain the mechanics.
Lenders also underwrite occupancy, often using the lower of actual or a standardized vacancy assumption, so a building at 100 percent may still be underwritten with a vacancy allowance. Ask a lender early how they treat the specific property.
When lower occupancy is not a red flag
A lower-occupied building can be a better opportunity than a full one, depending on why space is empty. Vacancy caused by a short-term issue, such as poor marketing, weak management or one tenant's departure, can be a chance to add value if the building's fundamentals are sound. Vacancy caused by obsolescence, a bad location or structural problems is a warning. The difference comes down to diagnosis and price. Investors who buy at a discount to the stabilized value take on lease-up risk in exchange for upside, and they should model realistic time and leasing costs.
How to verify occupancy before you buy
- Request the certified rent roll, signed leases, amendments and estoppel certificates from tenants.
- Tour the property and confirm that listed tenants are operating in the space.
- Compare the rent roll to bank deposits and operating statements for at least the past two or three years.
- Review tenant financials where leases or tenant size justify it.
- Have your attorney review lease terms and your CPA review the financial package.
A buyer's broker can coordinate this process and compare the property against sales and lease comparables. See how brokers help buyers find investment properties and how to evaluate a commercial real estate investment.
Next step
If you are comparing income properties and want a second opinion on what the occupancy figure really means, we can help you review the rent roll and comparables. Call 703-505-3501 or use our contact page. You can also browse current commercial properties for sale and our investment opportunities page.
Frequently asked questions
What is a good occupancy rate for commercial property?
There is no single number. What counts as good depends on the property type, the submarket and the building's quality. Compare a property against similar buildings nearby using CoStar or a broker's analysis, and look at the occupancy trend over several years.
Is 100 percent occupancy always better?
Not necessarily. A fully leased building with short leases, one dominant tenant or above-market rents can be riskier than a slightly less occupied building with staggered, long-term leases.
What is the difference between physical and economic occupancy?
Physical occupancy is the share of space occupied by tenants. Economic occupancy is the share of potential rent that is actually collected, after vacancy, concessions and uncollected rent.
How do I verify a seller's occupancy claim?
Request the rent roll, leases, estoppel certificates, and bank statements or operating statements, and tour the property to confirm the tenants in place. Have an attorney and CPA review the documents.
Does high occupancy guarantee a good investment?
No. It is one input. Lease terms, rent levels, tenant quality, operating expenses, physical condition and purchase price all affect investment performance.
Can a property with low occupancy be a good buy?
Sometimes. If vacancy is due to fixable issues and the price reflects the risk, a building can offer upside. If the cause is a poor location or a failing building, low occupancy is a warning.
