Description
RentLateFee.com is a legal-resources platform that provides free rent late fee calculators, prorated rent tools, and state-by-state landlord-tenant law guidance for all 50 US states plus Washington DC. Operated by LIFEMEDZ LLC, it helps landlords and tenants determine legally compliant late fees, verify grace periods, and understand maximum allowable charges.
The free calculator applies each state's specific late fee caps, grace-period rules, and reasonableness standards, then produces a compliant result with explanations and citations. For $5, users can generate a professional PDF report formatted for legal use, and a $5-per-month Premium plan adds AI legal Q&A, AI lease review, document summarization, clause improvement suggestions, and 50+ state-specific lease templates.
Content is researched against primary legal sources such as state statutes and case law, with a stated editorial process and regular updates. The tools are aimed at landlords managing one or many properties as well as tenants who want to verify that charges are fair and lawful.
RentLateFee.com's Core Features
Free rent late fee calculator for all 50 states + DC
Automatic state-specific compliance and grace-period checks
Prorated rent calculator
Professional PDF report with legal citations ($5 one-time)
AI legal Q&A assistant (Premium)
AI lease review and clause improvement suggestions (Premium)
50+ state-specific lease templates (Premium)
State-by-state landlord-tenant law guides
How to use RentLateFee.com?
Enter rent details: Input your monthly rent and select your state.
Specify payment details: Enter how many days late and choose a flat fee or percentage.
Get results: Receive a compliant late-fee calculation with state limits and explanations.
Download a report: Optionally generate a court-ready PDF with legal citations.
RentLateFee.com's Use Cases
- Landlord compliance
- Tenant fairness checks
- Dispute documentation
- Lease review




