The national office vacancy rate remains 18-19%, a level that would have been considered a crisis just a decade ago. For commercial real estate owners and operators, this figure directly impacts your income statement and, ultimately, your business valuation.

Most owners recognize that vacant space results in lost rent. However, the broader economic impact, including carrying costs, EBITDA reduction, and diminished enterprise value, is often underestimated. This article examines these factors and offers practical strategies to reduce risk before your next appraisal or sale.

What You’ll Learn

• Why vacancy costs far more than the rent you are not collecting
• How empty space suppresses your EBITDA margin and what that does to valuation multiples
• The line items on your operating statement that vacancy inflates
• Strategies to reduce vacancy exposure and protect enterprise value
• How to frame vacancy risk in conversations with lenders, investors, and potential buyers

The True Cost of Vacancy Goes Well Beyond Lost Rent

When a 5,000-square-foot suite is vacant at $30 per square foot, owners typically note a $150,000 annual revenue loss. While accurate, this is only the initial impact.

Expenses continue even after a tenant vacates. You must still pay property taxes, maintain climate control in common areas, and cover liability insurance for non-income-generating space. Often, landlords also absorb janitorial, security, and maintenance costs for vacant areas that would otherwise be passed through to tenants. This pass-through income ceases once the space is empty.

The costs of replacing a lost tenant are often underestimated. Tenant improvement allowances can range from $30 to $80 per square foot or more, and broker commissions can add 3-6% of the total lease value. A new five-year lease for a 5,000-square-foot suite may entail $50,000 to $100,000 in upfront costs before rent begins. These figures highlight the importance of prioritizing tenant retention over assuming re-leasing is a routine expense. Prolonged vacancy also incurs opportunity costs. Each month a space remains vacant, you lose lease revenue history needed for refinancing, fail to demonstrate positive occupancy trends to buyers, and miss out on compounding net operating income that drives exit value.

How Vacancy Compresses EBITDA and Distorts Valuation Multiples

In commercial real estate, vacancy reduces EBITDA by lowering revenue while many fixed costs remain unchanged. This margin compression is amplified when buyers or appraisers apply a capitalization rate or EBITDA multiple to determine enterprise value.

Consider this simplified example. A mixed-use building has a gross potential rent of $2 million. With a five% vacancy rate, effective gross income drops to $1.9 million. Operating expenses of $800,000 leave a net operating income (NOI) of $1.1 million. Push that vacancy rate to 15%, and the effective gross income falls to $1.7 million. Operating expenses do not decline proportionately because much of it is fixed. At $780,000 in operating expenses (a modest reduction), NOI drops to $920,000. Apply a 6% cap rate to both scenarios, and the difference in implied value is roughly $3 million for the same physical asset.

The financial impact is significant and increases at the entity level. If your company is valued on an EBITDA multiple, high vacancy can lower EBITDA margins and potentially move you into a lower valuation tier. A business with 20% EBITDA margins is valued differently from one with 12%, even if assets are similar. Buyers factor in perceived risk, and persistent vacancy is often viewed as a management or market issue.

Strategies to Reduce Vacancy Exposure and Protect Enterprise Value

Vacancy is not solely determined by market forces. Operational and budgetary strategies can significantly reduce your exposure.

Prioritize Retention Over Re-Leasing

Given the high cost of re-leasing, retaining an existing tenant at a modest rent reduction is often more cost-effective than seeking a new tenant. For example, a 10% rent reduction that avoids $60,000 in tenant improvement allowances and broker commissions typically yields a higher net present value. Collaborate with your advisors to model these scenarios before lease renewal negotiations.

Diversify Lease Expiration Schedules

Lease rollover concentration is a significant but often overlooked risk. If 40% of leases expire within a year, a weak market could lead to prolonged vacancy. Proactively stagger lease expirations, even if it requires offering incentives to adjust renewal dates. Lenders and buyers scrutinize rollover schedules, and a well-distributed expiration profile provides a competitive advantage at exit.

Explore Temporary and Flexible Use Arrangements

Short-term licenses, pop-up retail, coworking conversions, and storage uses have become mainstream strategies for managing vacancy when long-term lease demand is uncertain. While these options may not match traditional lease economics, they generate cash, reduce carrying costs, and demonstrate productive use of the space. Consult your tax advisor before pursuing these arrangements, as income and expense treatment may vary.

Address Vacancy in Your Financial Presentation

If you are preparing for refinancing, a sale, or investor discussions while there is an existing vacancy, how you present the issue is critical. Buyers and lenders will identify the vacancy regardless. Your advantage lies in providing a clear analysis of the vacancy, its causes, your mitigation steps, and a credible lease-up plan. Properties with a well-documented recovery narrative achieve better terms than those that don’t address vacancy. Your advisors can help you develop an honest and defensible narrative.

Our Commercial Real Estate Practice Group supports property owners, operators, and investors throughout the asset lifecycle. If you have questions about the impact of vacancy rates on your financial statements, valuation, or exit planning, we welcome the opportunity to assist.

This article is for informational purposes only and does not constitute accounting, legal, or investment advice. Consult your advisors before making any material financial decision.

Frequently Asked Questions

What vacancy rate is generally considered acceptable for commercial properties?

There is no universal threshold, and the right benchmark depends heavily on asset class, market, and property age. Historically, a vacancy rate in the 5-10% range has been viewed as a normal buffer in underwriting assumptions for stabilized office and retail properties. Industrial has typically run tighter, closer to 3-5%. The more important question is how your vacancy rate compares to your submarket average, because a 12% vacancy rate in a market running at 20% tells a very different story than the same rate in a market running at five percent. Context drives valuation.

How do appraisers treat vacancy when determining property value?

Appraisers typically apply a stabilized vacancy and collection loss assumption to potential gross income when calculating NOI for income capitalization. For properties with current vacancy above the stabilized assumption, they may perform a lease-up analysis that discounts projected future income back to present value, accounting for the time and cost required to reach stabilization. In practice, this means that a property with 25% current vacancy is valued on its projected stabilized income, minus lease-up costs and time discounting, rather than on its current depressed income stream. That is a more sophisticated treatment than simply capitalizing today’s NOI, but it still produces a lower value than a fully leased property would command.

Can vacancy-related costs be deducted for tax purposes?

Generally, yes. Ordinary and necessary expenses incurred to maintain a property held for income production are deductible even when the property is temporarily vacant, provided the owner is actively working to lease the space. This includes property taxes, insurance, utilities, and maintenance costs. Tenant improvement allowances paid to attract new tenants are typically capitalized and depreciated rather than expensed immediately, depending on how the lease and TI arrangement are structured. The specifics matter, and rules around mixed-use properties and properties that shift between personal and business use add complexity. We recommend discussing your situation with your tax advisor before drawing conclusions.

How does vacancy affect my ability to refinance a commercial property?

Significantly. Most commercial lenders underwrite to a stabilized occupancy level and use debt service coverage ratios based on projected NOI. A high current vacancy compresses the NOI supporting the loan, directly reducing the loan amount the lender will approve. Many lenders also require a minimum occupancy threshold, often around 85 to 90%, before lending at standard terms. Properties below that threshold could face higher rates, more stringent recourse requirements, or outright declination by conventional lenders. Documenting a credible lease-up pipeline and demonstrating active leasing efforts can help, but the primary constraint is the property’s income.

When should I involve my accounting firm in managing a vacancy problem?

Engage your accounting firm earlier than most owners typically do. Once your vacancy rate impacts refinancing or sale price, many mitigation options are no longer available. The best discussions happen when you can still influence lease structures, retention strategies, and financial presentations. If you anticipate significant lease expirations in the next 12 to 24 months or your current vacancy exceeds the submarket average, involve your advisors promptly to model scenarios. Delaying rarely improves the outcome.

Explore related insights

Explore Insights & Resources

• • Video

  •

  November 10, 2026

  Revenue Cycle Management Master Series 

  Read more: Revenue Cycle Management Master Series 

  

• • Article

  •

  November 10, 2026

  How AI Is Changing the Way We Approach Innovation

  Read more: How AI Is Changing the Way We Approach Innovation