Monthly estimates keep payments smooth. Annual reconciliation settles the real numbers. The reconciliation is where overcharges hide and audits focus.
The annual reconciliation is a year-end accounting that compares total actual operating expenses against total estimated payments collected from tenants. It produces a true-up amount: tenants who underpaid receive a bill, and those who overpaid receive a credit.
Monthly estimated payments are prepayments toward the tenant's projected annual CAM share. Typically calculated as one-twelfth of the landlord's annual expense budget, these payments provide the landlord with steady cash flow to cover expenses throughout the year.
| Dimension | Annual Reconciliation | Monthly Estimates |
|---|---|---|
| Timing | Year-end (often delivered Q1-Q2 of following year) | Monthly throughout the lease year |
| Basis | Actual incurred expenses | Projected expenses (landlord budget) |
| Cash flow impact | Potentially large one-time adjustment | Small, predictable monthly amounts |
| Audit relevance | Primary document for CAM audits | Reviewed for reasonableness against prior year |
| Accuracy | Should be exact (verifiable) | Approximate (based on landlord estimates) |
The annual reconciliation is the document that makes CAM audits possible. It itemizes actual expenses, calculates each tenant's share, and determines the true-up. Errors in the reconciliation translate directly into tenant overcharges. Monthly estimates are less auditable individually but should be checked against prior year actuals for reasonableness.
Reconciliation errors are worse because they represent real money owed or credited incorrectly. An error in the reconciliation is an overcharge. An inflated monthly estimate is a temporary overpayment that should be corrected at reconciliation (though it may not be if the reconciliation itself contains errors).
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Find My OverchargesThis page provides general educational information. It is not legal advice and may not reflect the most current law in your state. Consult a licensed attorney for advice specific to your situation.
