How to Audit Your Landlord's CAM Statement
A step-by-step guide to auditing a commercial landlord's annual CAM reconciliation statement, including the most common overcharges and how to identify them.
Number of days tenant has to dispute or audit CAM reconciliation statement after receipt.
Also known as: audit period, contest period, objection deadline, audit window
By Angel Campa, Founder · Updated March 2026
A short audit window (e.g., 30 days) makes it practically impossible to hire an auditor, gather records, and complete a meaningful review. Industry-standard audits take 60-120 days to complete. If the deadline passes without action, the tenant permanently waives the right to dispute charges for that year. A 90-day window gives adequate time; anything under 60 days is a red flag.
Found in the "Audit Rights" or "Operating Expenses" section, usually alongside the audit rights provisions. Look for language like "tenant must commence audit within X days of receiving the annual statement."
Lextract uses a combination of AWS Textract OCR and Claude AI to identify and extract the cam audit deadline (days) from your lease PDF. The AI searches for the field name and common aliases like "audit period", "contest period" across all pages of the document, then assigns a confidence score based on OCR quality and extraction certainty. Fields with lower confidence are flagged for human review.
Lextract automatically checks this field against its 15-rule red flag engine. Issues detected for cam audit deadline (days):
Lease Structure
The categorization of expense sharing.
Pro Rata Share
The tenant's fractional responsibility for total building operating expenses.
Base Year
The foundational year used to calculate operating expense increases in gross leases.
CAM Cap %
The maximum allowable annual increase for controllable operating expenses.
CAM Cap Type
Specifies whether the CAM cap is cumulative and compounding or non-cumulative.
Gross-Up %
The assumed occupancy level used to extrapolate variable operating expenses.
A minimum of 90 days is considered reasonable, with 120 to 180 days being ideal. Anything under 60 days is restrictive and may not provide enough time to hire an auditor and complete the review. Landlords often push for shorter deadlines to minimize audit exposure.
The tenant typically waives the right to audit that year's operating expenses permanently. The landlord's statement becomes final and binding. This makes tracking the deadline a critical calendar event for property managers and tenant representatives.
A step-by-step guide to auditing a commercial landlord's annual CAM reconciliation statement, including the most common overcharges and how to identify them.
A practical 14-item CAM audit checklist covering gross-up clauses, exclusions, admin fee caps, and pro-rata share calculations for commercial tenants.
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