Late Fee Calculator by State

Maximum late fee amounts, mandatory grace periods, and fee structure rules by state.

☑ Verified against state statutes ⚡ Free, no sign-up Last reviewed: March 2026

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Must Be in Lease-
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Frequently Asked Questions

About half of states set specific caps on late fees, typically 4-10% of monthly rent. The other half require fees to be reasonable. Use the tool above to check your state.

Some states mandate grace periods of 3 to 15 days before a late fee can be applied. In states without a mandatory grace period, the lease terms govern.

In most states, late fee provisions must be specified in the written lease or rental agreement to be enforceable. Verbal agreements about late fees are generally not enforceable.

A few states allow daily late fees (with caps), while most states allow only a one-time fee per late payment. Check your state above for specifics.

This varies by state. In some states, unpaid late fees are treated as unpaid rent. In others, like Colorado, a landlord cannot evict solely for non-payment of a late fee.

Disclaimer: This is legal information, not legal advice. Laws change and may vary by locality. Always consult an attorney for advice about your specific situation.