Late Fee Calculator
Charging a late fee that's too high — or before the grace period ends — can void the fee and expose you to penalties. Pick your state, enter the rent, the due date, and the date rent was actually paid, and see the grace period, how many days late the rent is, and how your lease's fee measures up. Where your state caps late fees, you get a straight comparison against that cap; where it doesn't, you get the fee as a percentage of rent against the 5–10% range courts commonly treat as reasonable.
Optional — enter the late fee in your lease to check it against the state cap.
Late fee
Select a state to see its late-fee rules.
Frequently Asked Questions
- How much can a landlord charge for a late fee?
- It depends on your state. Some states cap late fees (New York: $50 or 5% of rent, whichever is less; Delaware: 5% of rent; Maine: 4% of rent). Other states have no cap but require the fee to be "reasonable." Courts generally accept 5–10% as reasonable.
- What is a grace period for rent?
- A grace period is the number of days after rent is due before a late fee can be charged. Some states mandate grace periods (New York: 5 days; North Carolina: 5 days; Massachusetts: 30 days). Others leave it to the lease terms.
- Can a landlord charge a late fee without a grace period?
- In states without a mandatory grace period, a landlord can technically charge a late fee on the day after rent is due if the lease allows it. However, many leases include a voluntary grace period of 3-5 days as standard practice.
- Are late fees required to be in the lease?
- Yes, in virtually every state, a late fee is only enforceable if it's specified in the lease agreement. A landlord generally cannot charge a late fee that wasn't agreed to in writing.
For informational purposes only — not legal advice. Laws change frequently. Verify with your state's statutes or a licensed attorney before relying on this information. Last updated July 2026.
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