Late fee calculator
Check your late fee against your state's law in 30 seconds. Enter your rent and fee — see whether it may raise compliance concerns and what it could cost you over time.
Runs in your browser. Nothing you enter is stored or sent anywhere.
Enter your lease terms
Fill in your state, rent, and late fee to see your result.
This checks one clause. Your lease may have others worth reviewing.
Get my full lease report — $19How this calculator works
Confirmed caps where they exist
For states with a specific statutory late fee cap on file, your fee is checked directly against it. Other states show as unconfirmed rather than guessing.
Real dollar exposure
See what the fee actually costs if it goes unpaid for several months — not just the percentage.
One clause, not the whole lease
This checks late fees only. A full LeaseGuard report checks every clause in your actual lease.
Want your whole lease checked, not just this one clause?
LeaseGuard checks every clause in your actual lease against your state's law and generates a ready-to-send negotiation letter.
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This calculator provides general educational estimates, not legal advice. Late fee rules vary by state and lease terms may differ. Consult a licensed attorney for questions about your specific situation.