Free Lease Addendum Review

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Have your lease addendum reviewed by AI before signing. Fast, expert identification of conflicts with the master lease, tenant-rights violations, and one-sided new obligations.

Free and no sign-up required.

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Key Takeaways

AI flags conflicts between the addendum and the underlying lease

Detect tenant-rights violations specific to addendum subject matter

Identify added fees disguised as administrative charges

Free review for pet, parking, lead-paint, mold, and utility addenda

1-2 minutes*

Average Review Time

150+ compliance points analyzed*

Compliance Checks

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Document Security

* Estimates based on typical documents. Actual results vary by document type and complexity.

Justee's AI-powered lease addendum review tool analyzes pet, parking, utility, mold, lead-based paint, and rule addenda for consistency with the master lease, tenant-rights compliance, and fee reasonableness. The tool flags addenda that override tenant rights established by state landlord-tenant law, federal lead-based paint disclosures required for pre-1978 housing under 42 U.S.C. § 4852d, and addenda that introduce fees not contemplated in the original rent calculation. Justee compares addendum terms against the master lease to identify silent overrides, contradictory rules, and obligations that effectively raise rent without notice. Lease addenda are often presented mid-tenancy as routine, but legally modify the operative agreement. Common addendum issues include pet deposits that exceed state limits, parking fees that should be included in rent, and rule addenda that empower the landlord to terminate for trivial violations. Professional addendum review preserves tenant protections.

How It Works

1

Upload Your Document

Upload your contract in PDF, DOCX, or TXT format

2

AI Analysis

Our AI reviews your document for compliance issues

3

Review Findings

Get detailed findings with risk ratings and legal citations

4

Take Action

Use our suggestions to improve your document

What We Check

Master-lease consistency check

Lead-based paint federal disclosure compliance

Pet/security deposit limits per state

Fee reasonableness and notice requirements

Termination triggers introduced by addendum

Common Risks We Identify

Pet deposit exceeds state cap

Addendum overrides quiet-enjoyment terms

Lead disclosure missing for pre-1978 unit

New fee with no rent-cap justification

Termination right for minor rule violations

Hypothetical Case Study by Justee

Justee recently analyzed a 3-page pet addendum requiring $1,200 pet deposit and $75/month "pet rent" for a tenant in a 1962-built San Francisco rental presented with a "pet addendum" mid-lease.

Issue Found: The pet deposit exceeded San Francisco's combined deposit cap (security plus pet deposit cannot exceed two months' rent) and the addendum was silent on the pre-1978 federal lead-paint disclosure that should have been provided at original lease signing.

Justee Recommendation: We capped the pet deposit at the statutory limit minus the existing security deposit, removed "pet rent" as an unconscionable fee duplicating the deposit, and demanded a backdated lead-paint disclosure under EPA rules with the right to terminate.

Excess Pet Deposit

Problematic Language

"Tenant shall pay a non-refundable pet deposit of $1,200 plus $75/month in pet rent for the term of the tenancy."

Recommended Language

"Tenant shall pay a refundable pet deposit of $[amount within state cap], applicable to pet-related damages and refundable to the extent unused at move-out, subject to itemized accounting under [state code]. No additional monthly pet fees apply unless separately negotiated and disclosed in writing."

Why it matters: Many states cap total deposits and require refundability with itemized return. "Non-refundable" deposits and ongoing pet rent are often unenforceable and create liability for the landlord.

No credit card required

"Justee is redefining the legal document compliance process across all practice areas, transforming hours of work into minutes, while reducing stress and boosting accuracy."

Artem Dolukhanyan
Artem Dolukhanyan

Partner, Corporate Transactions at Grayver Law Group

AI Review vs. Manual Review

FeatureJustee AI ReviewManual Review
Review Time2-5 minutes2-4 hours
CostFree trial available$150-500+
Legal CitationsAutomaticVaries by reviewer
Clause SuggestionsIncludedExtra fee
Availability24/7 instantBusiness hours
* Comparison data represents estimates based on industry research and internal testing for typical contract types. Review times, costs, and accuracy percentages vary by document complexity, length, jurisdiction, and specific legal requirements. See full disclaimer below.

Official Resources

EPA Lead Disclosure Rule

Federal lead-based paint disclosure rule

HUD Tenant Rights

HUD overview of tenant rights

Cornell Law: Landlord-Tenant

Legal overview of landlord-tenant law

Important Legal Disclaimer

Not Legal Advice: The information and analysis provided by Justee AI is for general informational purposes only and does not constitute legal advice. While we strive to provide accurate and helpful information, our AI-powered service is not a substitute for professional legal counsel.

No Attorney-Client Relationship: Use of Justee AI does not create an attorney-client relationship. Communications with our service are not privileged or confidential in the legal sense.

Consult a Professional: For specific legal matters, we strongly recommend consulting with a qualified attorney licensed in your jurisdiction. Legal requirements vary by location and circumstances, and only a licensed attorney can provide advice tailored to your specific situation.

Performance Estimates (*): All statistics, metrics, and numerical claims on this page — including review times, cost comparisons, accuracy percentages, and database size — are estimates based on internal testing, industry research, and typical use cases. Actual results vary based on document type, complexity, length, jurisdiction, and other factors. Cost comparisons reference publicly available average attorney rates and are not guaranteed savings. "1M+ laws and regulations" refers to the breadth of Justee's reference database and does not imply that every provision is checked against every law for every document.

By using our service, you acknowledge that you have read and agree to our Terms of Use and understand the limitations of AI-powered legal analysis. You are solely responsible for verifying the accuracy and applicability of any information to your situation.

Lease Addendum Review FAQ

Generally no — your existing lease controls. Justee flags addenda that materially alter the lease in the landlord's favor without consideration to the tenant.

Most states require deposits to be refundable to the extent unused, with itemized return. Justee flags non-refundable language that may be unenforceable.

Federal law requires lead-paint disclosure for housing built before 1978. Justee verifies the EPA-required pamphlet acknowledgment and flags missing or backdated disclosures.

Only with consideration and consent. Justee flags rule addenda that effectively impose new obligations without offering anything in return.

Yes. Justee compares HOA-imposed terms against the master lease and flags conflicts and tenant-rights overrides.

Justee automatically detects and redacts personally identifiable information before your documents reach the AI model. Protected types include:

Personal data:
  • Names, email addresses, and phone numbers
  • Social Security numbers and tax identifiers (ITIN)
  • Physical addresses and dates of birth
  • Credit card and bank account numbers
  • Driver's license and passport numbers
  • Medical provider identifiers (NPI) and case numbers
Corporate and business data:
  • Company and organization names
  • Business addresses and geographic locations
  • SWIFT/BIC codes, IBAN numbers, and bank routing numbers
  • Business license numbers and attorney bar IDs
  • Corporate tax identifiers (EIN)
Our system achieves 100% detection of standard PII types and approximately 97% overall coverage. Certain rare identifiers — such as cryptocurrency wallet addresses and MAC addresses — may not be detected automatically. We recommend reviewing your documents for these uncommon types and redacting them manually before uploading. See our Privacy Policy and Terms of Use for details and limitations.

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Last updated: May 13, 2026

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