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Forensic CAM audit software for commercial tenants. Find the money you're owed.

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Recovery of past CAM overcharges depends on your specific lease terms, including any audit rights deadlines or ‘binding and conclusive’ provisions, and on applicable state law.

State statute of limitations periods apply to written contracts and range from 3 to 10 years. Your actual lookback window may be shorter based on your lease.

CAMAudit is a document analysis platform, not a law firm, and nothing on this site constitutes legal advice. Consult a licensed real estate attorney before initiating any dispute or legal proceeding.

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  4. /I am signing a new NNN lease and want to understand CAM
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I am signing a new NNN lease and want to understand CAM

Angel Campa, FounderCAMAudit
Last updated: April 2026

Before you sign a NNN lease, understanding your CAM exposure is critical. The lease language around pro-rata share calculations, expense exclusions, management fee caps, gross-up provisions, and audit rights determines how much you will pay beyond base rent for the life of the lease. CAMAudit can analyze a draft lease and reconciliation history to flag potential problem areas before you commit.

TL;DR

Spending 30 minutes reviewing CAM provisions before signing can save thousands per year over a 5 to 10 year lease term; skipping this step locks you into whatever terms the landlord drafted.

Who this is for

Prospective tenants evaluating a NNN or modified gross lease who want to understand the CAM structure and identify lease provisions that could lead to unexpectedly high charges.

Who this is not for

Tenants signing a full gross lease where the landlord absorbs all operating expenses, or tenants who have already signed and cannot renegotiate terms.

What CAMAudit Checks in This Scenario

Rule 4

Pro-Rata Share Error

CAMAudit verifies how your pro-rata share is defined in the draft lease and identifies denominator definitions that could inflate your share, such as excluding anchor tenants or using occupied rather than total area.

Rule 6

CAM Cap Violation

The scan checks whether the draft lease includes a CAM cap or controllable expense cap and evaluates whether the cap language is strong enough to limit your exposure.

Rule 5

Gross-Up Violation

CAMAudit reviews the gross-up clause in the draft lease to identify provisions that allow the landlord to inflate variable expenses beyond reasonable occupancy assumptions.

Rule 3

Management Fee Overcharge

The scan checks whether the draft lease caps management fees and at what percentage, so you can evaluate whether the cap is reasonable before signing.

What to Do Next

  1. 1Request the last two years of CAM reconciliation statements from the landlord for the building you are considering.
  2. 2Read the CAM section of the draft lease carefully, noting definitions for recoverable expenses, exclusions, pro-rata share, gross-up, and management fees.
  3. 3Upload the draft lease and any available reconciliation history to CAMAudit for analysis.
  4. 4Review the findings to identify clauses that give the landlord excessive discretion over CAM charges.
  5. 5Negotiate specific lease modifications based on the findings, such as adding a CAM cap, tightening exclusion language, or capping management fees.
  6. 6Run the scan again on the revised lease draft to confirm the negotiated changes address the flagged issues.
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Explore Related Resources

Tenant TypeRetail StoreTenant TypeRestaurantDetection RuleManagement Fee OverchargeDetection RulePro-Rata Share ErrorScenarioIs it worth auditing my NNN lease CAM chargesScenarioI Found Hidden Fees in My NNN Lease

Next Best Step

Choose your next move

Scenario pages should bridge from diagnosis into the dispute path and audit proof.

What is a CAM audit?

Use the audit process if you still need to validate the billing error.

See the CAM dispute guide

Use the dispute playbook if the issue is already active.

Start Free Audit

Run the free audit once you are ready to quantify the overcharge.

Ready to skip the reading and document the overcharge directly?

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Relevant Tenant Types

Retail StoreRestaurantMedical Office

Related Scenarios

Are My CAM Charges Too High? How to TellIs it worth auditing my NNN lease CAM chargesWhat Is Included in CAM Charges (And What Shouldn't Be)How to verify my pro-rata share is calculated correctlyHow to Read a CAM Reconciliation Statement

Related Resources

Tenant TypeRetail StoreTenant TypeRestaurantResourcesCAM Overcharge Detection GuidesToolsFree CAM Audit ToolsGlossaryCAM Glossary

Frequently asked questions

Need to extract lease terms before your audit?

A CAM audit is only as accurate as your lease data. lextract.io extracts 126 structured fields from any commercial lease PDF: CAM definitions, pro-rata share, caps, base year, and audit rights. So you have the exact terms your landlord is supposed to follow.

Go to lextract.io

This 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.