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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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  1. Home
  2. /Glossary
  3. /Estoppel Certificate

Estoppel Certificate

Last updated: April 2026

A signed statement by a tenant confirming the current terms of the lease, including rent amounts, security deposits, and whether the landlord is in default. Landlords typically request estoppel certificates when selling or refinancing the property.

Technical Definition

An estoppel certificate is a legally binding document in which the tenant certifies the status of its lease. Once signed, the tenant is generally "estopped" (legally prevented) from later claiming facts inconsistent with the certificate. Key items confirmed typically include: the lease commencement and expiration dates, current rent and CAM amounts, prepaid rent or deposits, outstanding landlord obligations, and any existing defaults. Most leases require tenants to respond within 10 to 30 days of a request.

How This Gets Abused

A landlord presents an estoppel certificate that misstates the CAM cap percentage and omits a pending maintenance dispute. The tenant signs without reviewing it against the lease. The new property buyer later relies on the certificate to deny the tenant's cap protections.

Tenant Protection Tip

Never sign an estoppel certificate without comparing every statement against your actual lease. Pay special attention to CAM amounts, cap provisions, and any pending disputes. Add qualifications or corrections before signing. Once you sign, you may be legally bound by whatever the certificate says.

Related Terms

Lease AbstractBase RentCAM Cap
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Related Resources

Detection RuleCAM Cap Violation DetectionGuideLease Language GuideToolFree CAM Scan

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.

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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.

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