Capital vs. Operating Expenses in CAM: IRS Rules and What Your Landlord Is Hiding
Under IRS Section 263, capital improvements must be depreciated over 39 years, not expensed in a single year. When landlords bill a $200,000 roof replacement as a one-time operating expense instead of amortizing it, a 10% tenant pays $20,000 that year instead of $513. The IRS three-test framework (Betterment, Restoration, Adaptation) is your primary tool for catching this overcharge.
The IRS distinguishes capital improvements (depreciable assets) from operating expenses (deductible in the year incurred). Your lease's CAM clause should align with this distinction. If a landlord is depreciating a cost on their tax return, they cannot also bill it to you as an annual operating expense: that is double-dipping, and it is one of the most sophisticated and consistently overlooked CAM overcharge categories.
CAM statements routinely contain capital expenditures dressed up as operating expenses. A new roof gets billed as "roof maintenance." A full HVAC replacement is categorized as "HVAC service." An elevator modernization is described as "elevator repairs." The IRS would classify all three as capital improvements. Your lease should too, if the CAM clause excludes capital expenditures, which most well-drafted commercial leases do.
I built CAMAudit's Rule 12 (Common Area Misclassification) specifically to catch this category of overcharge because it requires both knowledge of IRS capitalization standards and the ability to match those standards against what appears in a CAM reconciliation line by line.
23% of CAM reconciliation errors involve capital improvement misclassification, making it the second most common error type after management fee overcharges (Tango Analytics, 2023)
The IRS Distinction: Capital vs. Operating
The IRS defines the boundary between capital improvements and operating expenses in IRC Section 263 and the regulations under it. Three tests determine whether a cost must be capitalized.
The Three Capitalization Tests (IRC Section 263(a))
The Betterment Test: A cost constitutes a betterment if it results in a material addition to the property, a material increase in the property's capacity, or otherwise improves the property's condition beyond its condition before the expenditure. A new roof with significantly better insulation value betters the property. Patching three square feet of existing roofing does not.
The Restoration Test: A cost is a restoration if it brings the property back to its ordinarily efficient operating condition after it has fallen into disrepair, if it replaces a major component of the property, or if it returns the property to its original condition and use. Replacing an entire HVAC compressor is a restoration. Recharging refrigerant is not.
The Adaptation Test: A cost adapts the property to a new or different use if the adapted use is not consistent with the taxpayer's intended ordinary use at the time of the original acquisition. Converting a surface parking area to a structured parking garage adapts the property.
| IRS Test | Characteristic | Capital or Operating? |
|---|---|---|
| Betterment | Material addition, capacity increase, condition improvement | Capital |
| Restoration | Brings to efficient operating condition, replaces major component | Capital |
| Adaptation | New or different use from original intended use | Capital |
| Routine maintenance | Recurring activities to keep property in ordinarily efficient condition | Operating |
| Small taxpayer safe harbor | Annual cost under $10,000 and under 2% of unadjusted basis | Operating |
The Routine Maintenance Safe Harbor
Regulation Section 1.263(a)-3(i) provides a safe harbor for routine maintenance: work performed to keep the property in ordinarily efficient operating condition that is expected to be performed more than once in the property's useful life. Routine maintenance is deductible as a current operating expense.
Key word: routine. Replacing a major component of a system that was installed at original construction is not routine. Cleaning, lubricating, and inspecting existing components is routine.
The routine maintenance safe harbor is the specific exception landlords exploit to misclassify capital replacement projects as operating expenses. Understanding the safe harbor's actual scope is essential for detecting violations.
Common CAM Items That Violate the IRS Distinction
The following eight categories represent the most frequently misclassified items in commercial CAM statements, with detection guidance for each.
1. Roof Replacement
| Category | IRS Classification | Should It Be in CAM? | How to Detect | Rule |
|---|---|---|---|---|
| Patching, sealing, minor repairs | Operating | Yes, if lease allows | Compare to typical maintenance cost per sq ft | Rule 12 |
| Full or partial roof replacement | Capital | No (unless lease explicitly allows amortized capex) | Look for one-time spike in "roof" line item | Rule 12 |
A full roof replacement typically costs $6 to $14 per square foot on a commercial building. If the roof line item in your CAM reconciliation spikes to several hundred thousand dollars, you are looking at a capital project, not routine maintenance. The IRS would require capitalization and depreciation over 39 years for commercial property. Billing it to tenants as a single-year operating expense violates both IRS treatment and standard lease CAM exclusion language.
2. HVAC System Replacement
| Category | IRS Classification | Should It Be in CAM? | How to Detect | Rule |
|---|---|---|---|---|
| Filter replacement, coil cleaning, belt checks | Operating | Yes | Consistent annual cost | Rule 12 |
| Compressor, air handler, or full unit replacement | Capital | No | Large one-time amount labeled "HVAC" | Rule 12 |
HVAC component replacement is a restoration under the IRS restoration test. Replacing the air handling unit in a 200-ton commercial HVAC system is not routine maintenance: it is a major component replacement. Costs in the $20,000 to $100,000+ range for a single HVAC component should be questioned.
3. Parking Lot Resurfacing and Replacement
| Category | IRS Classification | Should It Be in CAM? | How to Detect | Rule |
|---|---|---|---|---|
| Fill-and-patch, crack sealing, line repainting | Operating | Yes | Consistent low annual cost | Rule 12 |
| Full resurfacing (mill and overlay) | Capital (often) | Contested; depends on scope | Large one-time cost, $3 to $10/sq ft range | Rule 12 |
| Parking lot reconstruction | Capital | No | Major project with contractor invoices | Rule 12 |
The IRS has litigated parking lot resurfacing cases. The result is fact-specific: a mill-and-overlay that essentially rebuilds the pavement to a like-new condition is capital. Applying a thin sealant over an existing lot is maintenance. When the cost per square foot exceeds what routine sealing commands, push for invoices.
4. Exterior Paint and Facade Work
| Category | IRS Classification | Should It Be in CAM? | How to Detect | Rule |
|---|---|---|---|---|
| Routine repainting to maintain existing condition | Operating | Yes | Consistent with painting cycle costs | Rule 12 |
| Facade replacement or recladding | Capital | No | Structural or material cost at renovation scale | Rule 12 |
Repainting the exterior every 5 to 7 years is routine maintenance. Replacing the curtain wall or applying new architectural cladding is a betterment or restoration. If the "building maintenance" line item suddenly includes a six-figure charge for "exterior work," request supporting documentation.
5. Elevator Modernization
| Category | IRS Classification | Should It Be in CAM? | How to Detect | Rule |
|---|---|---|---|---|
| Annual maintenance contract, safety inspections | Operating | Yes | Consistent contract cost | Rule 12 |
| Controller replacement, cab renovation, motor overhaul | Capital | No | Large one-time amount under "elevator" line | Rule 12 |
Elevator modernization is explicitly a capital improvement under IRS guidance. The IRS has ruled that replacing elevator motors, controllers, and cab interiors constitutes restoration of a major component. Costs of $50,000 to $300,000+ per elevator are not operating expenses.
6. LED Lighting System Upgrades
| Category | IRS Classification | Should It Be in CAM? | How to Detect | Rule |
|---|---|---|---|---|
| Bulb replacement in existing fixtures | Operating | Yes | Low per-unit cost | Rule 12 |
| New LED fixture installation replacing existing system | Capital | No | Project-scale cost, $10 to $30/fixture installed | Rule 12 |
LED retrofits that replace the entire lighting infrastructure with a new system are capital improvements. Replacing individual bulbs in existing fixtures is maintenance. A $150,000 "lighting upgrade" that converts a building from fluorescent to LED is a capital project regardless of how it appears in the CAM statement.
7. Security System Installation
| Category | IRS Classification | Should It Be in CAM? | How to Detect | Rule |
|---|---|---|---|---|
| Monthly monitoring contract, routine equipment checks | Operating | Yes | Recurring subscription cost | Rule 12 |
| New system installation, camera/access control infrastructure | Capital | No | Project cost, typically $50,000 to $500,000 range | Rule 12 |
Installing a new access control system, security camera network, or integrated building management system is a capital improvement. The infrastructure becomes a fixed asset. Monthly monitoring and service contracts are operating expenses. If you see a $200,000 "security" charge in your CAM reconciliation, request itemization. See also Security Costs in CAM Charges for how security charges are commonly inflated through bundling and tenant-specific allocations.
8. Plumbing and Piping Replacement
| Category | IRS Classification | Should It Be in CAM? | How to Detect | Rule |
|---|---|---|---|---|
| Drain cleaning, leak repairs, fixture maintenance | Operating | Yes | Consistent low annual cost | Rule 12 |
| Full repiping of a floor or building section | Capital | No | Large project cost | Rule 12 |
| Water main or sewer line replacement | Capital | No | Infrastructure-scale cost | Rule 12 |
Replacing the main water supply line to a building is a restoration of a structural component. It is capital. Snaking a drain is maintenance. The dollar amounts make the distinction obvious in most cases.
15-20% of annual CAM spending is recoverable through audit when capital improvement misclassification is present (Springbord Research, 2023)
Double Dipping: When Landlords Depreciate AND Bill Tenants
The most serious form of capex misclassification is not simply categorizing a capital expense as operating: it is when the landlord depreciates the asset on their tax return and simultaneously bills tenants for the full cost as an operating expense.
Here is how it works:
- Landlord replaces the roof for $400,000
- On Schedule E (Supplemental Income and Loss), the landlord capitalizes the roof as an asset and depreciates it over 39 years: approximately $10,256 per year in depreciation deductions
- In the CAM reconciliation, the landlord bills tenants for the full $400,000 as a single-year operating expense
- The landlord receives a tax benefit from depreciation AND full cost recovery from tenants
The double dip is: tenants pay the entire capital cost immediately while the landlord claims depreciation deductions on the same asset over 39 years.
How to detect it: Request the landlord's Schedule E or depreciation schedule (Form 4562) as part of your audit rights exercise. If an expense appearing in your CAM reconciliation also appears on the depreciation schedule, you have documented double dipping. This is the most powerful evidence available in a capital misclassification dispute.
Note: landlords are not always required to provide tax returns under audit rights clauses. However, a well-drafted audit rights clause should give you access to "books and records" related to operating expenses. An accountant's representation letter confirming that no CAM-billed items appear on the depreciation schedule is a reasonable alternative request.
See Depreciation in CAM Charges for a detailed treatment of how GAAP depreciation entries appear in CAM pools and how to challenge them.
The Amortization Disguise: Capital Items Spread Over Time
Some landlords attempt to launder capital expenses into CAM by amortizing them over the remaining lease term or a defined period (commonly 5 to 10 years) and billing tenants for the annual amortized amount. The theory is that spreading the cost over time makes it look more like an operating expense.
Amortizing a capital expense does not convert it to an operating expense. An elevator modernization billed at $30,000 per year for 10 years is still a $300,000 capital project. The annual amortized charge is still a capital cost, and if your lease excludes capital improvements from CAM, the amortized charge is also excludable.
Some leases explicitly permit amortization of capital improvements with a long useful life (typically defined as improvements with a useful life exceeding the lease term). If your lease contains this permission, amortized capex is billable. If your lease excludes capital improvements without qualification, amortized capex is not billable.
Read the exact language. "Capital improvements and capital expenditures are excluded from operating expenses" with no carve-out means no amortized capex in CAM. "Capital improvements may be included in operating expenses provided they are amortized over their useful life" means amortized capex is permitted.
For the full calculation framework on amortized CapEx, see Amortization of CapEx in CAM Charges.
"The most sophisticated CAM overcharge category I built CAMAudit to catch is capex misclassification. It takes both IRS knowledge and document analysis to find it reliably. Landlords know most tenants will not request depreciation schedules. CAMAudit flags capital-scale costs in operating expense line items and generates the specific documentation request list for each finding." — Angel Campa, Founder of CAMAudit
How CAMAudit Detects Capital Improvement Misclassification
CAMAudit's Rule 12 (Common Area Misclassification) analyzes each CAM line item against three criteria:
Scale detection: Line items with costs at capital-project scale (thresholds calibrated by building type and square footage) are flagged for review. A $350,000 charge in a category typically running $15,000 to $25,000 annually is anomalous.
Category classification: The rule applies a taxonomy of operating vs. capital expense categories. Items in structurally capital categories (roof replacement, HVAC system replacement, elevator modernization, parking lot reconstruction, lighting system installation, security infrastructure) are flagged regardless of how they are labeled in the reconciliation.
Year-over-year pattern analysis: A line item that spikes dramatically in one year and returns to baseline in subsequent years is likely a capital project, not a recurring operating expense. The rule checks multi-year patterns for single-year spikes consistent with capital project billing.
Each flagged item generates a specific finding with the dollar amount, the category, the IRS classification rationale, and a recommended documentation request.
What to Request and What to Prove
When CAMAudit or your own analysis identifies a potential capital misclassification, these are the documents to request under your lease's audit rights provision:
IRS Form 4562 (Depreciation and Amortization): This is the most direct evidence of double dipping. Any expense that appears in your CAM reconciliation AND on the landlord's depreciation schedule is a provable double-dip.
Capital improvement log: Most commercial property owners maintain a capital improvement register tracking all capital projects by property, year, cost, and depreciation schedule. Request this log for the audit period.
Project invoices and contractor agreements: For any line item that appears at capital-project scale, request the underlying invoices. The invoices will show whether the work was a full system replacement (capital) or routine maintenance (operating).
Prior year CAM reconciliations: Capital projects often disappear after one year. If a line item appears at a high value in one year only and is absent from surrounding years, it is consistent with a capital project billing pattern.
Landlord's operating expense policy: Some landlords have written policies defining which expenses they capitalize vs. expense for accounting purposes. If such a policy exists, it is discoverable under audit rights.
For broader context on what recovery looks like after identifying these overcharges, see CAM Recovery and CAM Reconciliation Explained.
Frequently Asked Questions
What is the difference between capital and operating expenses in a commercial lease?
Operating expenses are recurring costs to maintain and operate the property in its current condition: janitorial, routine repairs, landscaping, utilities. Capital expenses are investments that add to the property's value, extend its useful life, or replace a major component: new roof, HVAC system replacement, elevator modernization, parking lot reconstruction. The IRS distinguishes the two under IRC Section 263's betterment, restoration, and adaptation tests. Most commercial leases exclude capital improvements from the operating expense pool that tenants pay through CAM charges.
Can a landlord bill both depreciation and CAM for the same item?
No. This practice is called double dipping. If a landlord capitalizes a cost on their tax return and claims depreciation deductions, they cannot also bill the full cost to tenants as an annual operating expense. The tenant would be funding an asset that the landlord is also depreciating for a tax benefit. To detect double dipping, request the landlord's depreciation schedule (IRS Form 4562) or a representation letter from their accountant confirming that no CAM-billed items appear on the depreciation schedule.
How do I know if a roof replacement is capital or operating in a CAM dispute?
A full roof replacement is capital under IRS rules. It is a restoration of a major structural component. Routine roof maintenance (patching, sealing, cleaning gutters) is operating. The dollar amount is the first indicator: full replacements on commercial buildings cost $6 to $14 per square foot. If the roof line item in your CAM reconciliation represents a cost consistent with full replacement of the building's roof area, it is capital. Request contractor invoices to confirm scope.
What documentation can I request to prove capital misclassification?
The most powerful documents are: IRS Form 4562 (depreciation schedule) to identify double dipping; the capital improvement log maintained by the property manager; original contractor invoices for large-cost line items; and prior year CAM reconciliations showing whether the cost is recurring (operating) or a one-time spike (likely capital). Most audit rights clauses give you access to 'books and records related to operating expenses.' Use that language to request these documents specifically.
How do I calculate the overcharge from a capital misclassification?
For a single-year full inclusion of a capital project: your overcharge equals your pro-rata share of the capital cost that should have been excluded. If the landlord included a $200,000 roof replacement in the CAM pool and you have a 5% pro-rata share, your overcharge is $10,000 for that year. If the capital expense was amortized over multiple years and your lease excludes capital expenses, the overcharge is your pro-rata share of the annual amortized amount for each year it appeared in your CAM statement.
What if my lease allows capital improvement amortization in CAM?
Some leases explicitly permit amortizing capital improvements over their useful life and including the annual amortized amount in CAM. If your lease contains this permission, the amortized capital charge is billable, and you cannot dispute it on capitalization grounds. However, you can still dispute whether the amortization period used matches the asset's actual useful life, and whether the correct interest rate was applied if the lease requires one. Check the exact amortization language and compare it to the landlord's calculation.
Related Resources
- Amortization of CapEx in CAM Charges
- Depreciation in CAM Charges
- Capital Expenditures in CAM Charges
- CapEx vs. OpEx in CAM Charges
- Excessive CAM Charges
- How to Audit CAM Charges
Sources
- Internal Revenue Service, Treasury Regulation Section 1.263(a)-3, "Amounts paid to improve tangible property." irs.gov
- IRS Publication 946, How to Depreciate Property (2024). irs.gov
- Tango Analytics, "CAM Reconciliation" (2023). tangoanalytics.com
- PredictAP, "The $15 Billion Problem Hiding in Plain Sight" (2026). blog.predictap.com
- BOMA, 2022 Office Market Study. boma.org
- IREM, Income/Expense Analysis: Office Buildings (2023). irem.org