Free Rental Law Calculators
State-specific legal tools for landlords and tenants. All calculators are free, AI-verified, and include legal citations.
Landlord Calculators
Tenant Calculators
Tools to help renters understand affordability and landlord requirements
Rent Affordability Calculator
Use the 30% rule to find how much rent you can afford based on your income
Educational Guides
In-depth resources for landlords and tenants
First-Time Landlord Late Fee Guide
Complete guide to setting up legal late fee policies for new landlords
Helpful Guides
Learn more about rental laws with our comprehensive state-by-state guides
Rent Grace Periods by State: Complete Legal Guide (2025)
Understand grace period requirements across all 50 states + DC
Security Deposit Laws by State: 2025 Limits & Deadlines
Complete breakdown of security deposit limits and refund deadlines
New Free Tools: Grace Period & Security Deposit Calculators
Learn how to use our new calculator tools effectively
Need to Calculate Late Fees?
Our main calculator helps you verify late fee compliance with AI-verified state regulations
Automate Your Rent Collection
Stop manually tracking late fees. These free tools automate rent collection and late fee enforcement for your state landlords.
Join thousands of your state landlords using these free tools to manage rent collection.