Non-Allowable CAM & NNN Expenses — What Tenants Should Never Pay
Non-allowable CAM and NNN expenses often appear legitimate — but are explicitly excluded by lease language. These non-allowable expenses are one of the most common sources of tenant overpayment in commercial leases.
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What Does “Non-Allowable” Mean?
Non-allowable CAM or NNN expenses are costs that landlords are not permitted to pass through to tenants under the lease — even if they appear on a reconciliation statement.
These exclusions are often buried deep in lease language and missed by tenants reviewing annual reconciliations.
Common Non-Allowable CAM / NNN Expenses
- Capital improvements and major repairs
- Roof replacement and structural work
- Leasing commissions and marketing costs
- Landlord overhead and corporate expenses
- Legal fees unrelated to operations
- Costs benefiting vacant space
- Duplicate or bundled admin fees
These charges are frequently passed through anyway — relying on tenant inattention.
How Non-Allowable Charges Slip Through
- Vague or undefined expense categories
- Bundled line items hiding excluded costs
- Admin fees applied to non-recoverable expenses
- Tenants assuming charges are “standard”
Reconciliation statements often look official — but accuracy is not guaranteed.
Can Tenants Challenge Non-Allowable Expenses?
Yes. Most commercial leases allow tenants to dispute charges that violate lease terms — but only within a limited audit window.
Once the audit window closes, even incorrect charges may become final.
Find Non-Allowable Charges Hidden in Your Lease
Our automated lease review flags excluded expenses, admin fee abuse, and reconciliation errors before audit deadlines expire.
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