Authored by Rimkus Built Environment Solutions Marketing Team
Deferred maintenance is repair or upkeep work that should have been performed on schedule but was postponed. In commercial buildings, the resulting backlog can turn a manageable deficiency into a larger capital project, and depending on policy terms, lender requirements, and the nature of the deficiency, it can also affect insurability, transaction terms, and property value.
A backlog like this typically becomes visible at a specific moment: a recurring repair that keeps returning, an insurance renewal that asks for a roof inspection, a lender’s due diligence request, or a condition assessment that documents deficiencies an owner already suspected were there.
This guide covers what counts as deferred maintenance, why the backlog carries financial and safety consequences, how to identify and prioritize deficiencies, and how owners can measure and fund a reduction plan through capital planning.
Key takeaways for commercial property owners
Deferred maintenance is a measurable backlog, distinct from capital renewal, and can be managed before it becomes a larger capital, safety, or insurance problem.
What matters most
- Deferred maintenance generally means overdue upkeep, while capital renewal generally means replacing assets near or beyond their useful life
- A federal-facilities rule of thumb holds that deferring maintenance can create four to five dollars in later liability per dollar not reinvested
- Commercial policies commonly limit coverage for wear and inadequate maintenance, though outcomes vary by policy
How owners approach it
- The Facility Condition Index compares deferred maintenance cost against current replacement value
- Recurring assessments document each deficiency, its cost, and its urgency
- Reserve studies project when major components need replacement and how much to reserve
Rimkus Building Experts help document and fund a deferred maintenance backlog. Contact Rimkus.
What deferred maintenance means in commercial buildings
Deferred maintenance generally refers to maintenance and repairs not performed when due. Capital renewal generally refers to replacing or substantially renewing assets that are near or beyond their useful life, rather than repairing them.
A rooftop cooling unit that missed two years of coil cleaning is deferred maintenance. The same unit running years past its expected service life with no replacement funded is capital renewal instead.
Organizations should define these categories consistently in their own asset-management and capital-planning policies, since the same item can be classified differently from one portfolio to the next.
Routine maintenance is commonly funded through operating budgets, while replacements and major renewals are commonly addressed through capital budgets or reserves.
The accounting treatment for a given item should follow the owner’s own policies, along with applicable professional advice.
Why deferred maintenance matters to commercial property owners
Deferred maintenance can cost more the longer it goes unaddressed, because deterioration in one system often spreads into connected systems.
An unresolved roof-drainage or envelope defect, for example, can progress from a repairable leak into wet insulation, interior damage, corrosion, and tenant disruption, the kind of compounding hidden cost that makes early detection worthwhile.
Federal-facilities planning has long cited a rule of thumb, drawn from a National Research Council estimate cited by the GAO, that every dollar not reinvested in basic maintenance and repair can create four to five dollars in later capital liability.
This ratio is a planning heuristic rather than a guaranteed multiplier for any specific commercial building. The eventual cost depends on the system affected, its rate of deterioration, and the consequence of failure.
Commercial property policies commonly contain wear-and-tear, deterioration, rust, corrosion, or maintenance-related exclusions and limitations. Whether resulting damage is covered depends on the policy’s specific wording, the cause of loss, and any endorsements, so owners should confirm treatment with their broker rather than assume a general rule.
The backlog can also affect financing. Lenders may require repairs before closing, establish a repair escrow, or adjust underwriting where a condition assessment identifies material deficiencies, with escrow amounts and completion requirements varying by lender and transaction.
Appraisals can be affected too, since an appraiser may weigh physical deterioration and needed repairs in the valuation approach selected for an assignment.
How to identify and prioritize deficiencies
A recurring property condition survey can create a documented deficiency register: the observed condition, likely cause, recommended action, an opinion of cost, and an urgency ranking for each item. ASTM E2018-24 provides a widely used baseline framework for this kind of assessment.
This framework includes a review of available building records, interviews as appropriate, and a walk-through survey of accessible areas, along with opinions of cost for qualifying physical deficiencies.
Under the standard, immediate costs address deficiencies that need prompt action. Qualifying triggers include a life-safety concern, an expected system failure or significant cost escalation, or a recorded code violation above whatever threshold the assessment scope has established.
Depending on the question a deficiency raises, a consultant may recommend targeted testing beyond the baseline walk-through, such as infrared thermography for thermal anomalies, moisture testing for roof or envelope concerns, or ground-penetrating radar for selected concrete evaluations.
Prioritization should follow life safety, active water intrusion, structural or electrical risk, code exposure, and the likelihood and consequence of failure, rather than a fixed order based on system type or component age.
Common high-risk building systems
The following six building systems are common sources of high-risk deferred maintenance. Water intrusion is a factor across several of them, which is one reason envelope and drainage issues often surface as a priority.
- Building envelope: clogged drains, failed sealant at roof edges, and open joints in the exterior wall can let water travel well beyond the point where it entered
- HVAC: overloaded filters can allow dirt to reach coils and ducts, and dirty coils can impair heat transfer and increase cooling-system energy use or strain
- Electrical: a loose or corroded connection can overheat, creating a risk of equipment damage or fire
- Plumbing: corrosion, water chemistry, and material condition can all contribute to leaks in domestic water piping, and recurring leaks warrant targeted investigation
- Life safety: NFPA data show that from 2017 through 2021, automatic sprinklers operated in 92% of fires large enough to activate them and controlled the fire in 97% of the incidents where they operated; the most common reason a system failed to operate was that it had been shut off, with system damage and inadequate maintenance among the other leading factors
- Structural: corrosion products from rusting reinforcement occupy more volume than the original steel, and the resulting pressure can crack or spall the surrounding concrete
NIST’s technical findings on the Champlain Towers South collapse illustrate why structural deterioration needs to be read in context. The agency traced the collapse to design deviations from the codes and standards of the time, plus construction deviations from the design drawings. Added loads accumulated over the building’s life, with long-term corrosion among the factors that further reduced the structure’s margin against failure.
Measuring the backlog with the Facility Condition Index
The Facility Condition Index is commonly calculated by dividing deferred maintenance cost by a building’s current replacement value, though some organizations include capital renewal needs in that numerator. Because the definition varies, owners should state which one they are using before comparing scores across buildings or a portfolio.
One commonly used scale classifies an index below 5% as good, 5 to 10% as fair, 10 to 30% as poor, and above 30% as critical. These bands are a portfolio-management convention rather than a universal rule. A building with a low aggregate index can still carry an urgent life-safety or code issue that needs immediate attention regardless of the overall score.
Some owners set a funding target tied to the index, for instance the dollar amount needed to bring a building down to a 5% score. That kind of target is useful for planning.
Life-safety and high-consequence deficiencies should be funded based on risk, though, not deferred until the aggregate index reaches a particular number.
Funding and reducing the backlog
Some portfolio owners set maintenance and renewal funding as a percentage of replacement value, then adjust that figure for age, condition, asset type, and risk.
The National Research Council-related facilities guidance is often cited for a range of 2 to 4% of aggregate current replacement value as an annual benchmark for a substantial inventory. This is a planning heuristic rather than a universal minimum for every commercial property.
Preventive and predictive maintenance programs can reduce the frequency and cost of unplanned failures, though actual savings depend on asset condition, staffing, and program execution.
A U.S. Department of Energy Operations & Maintenance Best Practices Guide cites studies estimating that properly implemented preventive maintenance can save 12 to 18% compared with reactive maintenance, with predictive maintenance adding a further estimated 8 to 12% over preventive maintenance alone. These figures are planning estimates rather than guaranteed outcomes.
Maintenance intervals for filters, coils, drains, alarms, sprinklers, and electrical gear should follow manufacturer instructions, applicable codes and standards, and operating conditions rather than a single fixed schedule.
A maintenance standard can become enforceable in its own right when a code or regulation adopts it, or through a contract, an insurer requirement, or another legal obligation.
Reserve studies address the capital side of the same problem, projecting when major components will need replacement and how much to set aside each year. A 30-year projection is common, though the appropriate horizon and funding method vary by property type, governing documents, and jurisdiction. Capital reserve studies built on that horizon can help schedule replacements before they become deferred capital renewal.
Florida law, administered by the Department of Business and Professional Regulation, requires qualifying condominium and cooperative associations with buildings of three or more habitable stories to complete a structural integrity reserve study at least every 10 years.
The exact timing rules vary by building age and location.
Putting a plan behind the backlog
A documented deficiency register, an FCI target, and a reserve schedule give a board or ownership group a defensible basis for sequencing capital requests rather than reacting to whichever system fails next.
Contact Us to discuss a specific property or portfolio.
Frequently asked questions about deferred maintenance in commercial buildings
How can digital tools, building management systems, and asset management software support tracking and reducing deferred maintenance?
A centralized digital asset inventory can support preventive scheduling and repair prioritization based on risk and lifecycle cost. Building management systems can feed real-time equipment alerts into that process, while asset management software tracks the related work orders and backlog trends.
What financing options are available to commercial property owners to fund remediation of significant maintenance backlogs?
Financing options can include operating cash flow, lines of credit, repair escrows, commercial real estate loans, reserve funding, and, where available, C-PACE financing for eligible measures. Owners should confirm eligibility and terms with a lender, tax advisor, or legal counsel, since availability varies by program and jurisdiction.
How does deferred maintenance impact tenant satisfaction, retention, and lease negotiations in commercial buildings?
Recurring failures and visible deterioration can affect tenant experience and an owner’s negotiating position at renewal, particularly where conditions disrupt operations or comfort. This can factor into rent concessions, lease terms, or requests for owner-funded improvements.
This article is intended to provide general information and insights into prevailing industry practices. It is not intended to constitute, and should not be relied upon as, legal, technical, or professional advice. The content does not replace consultation with a qualified expert or professional regarding the specific facts and circumstances of any particular matter.