Free Tool
Idaho Late Fee Calculator
Calculate the maximum late fee you can legally charge in Idaho. Check grace periods, fee caps, and compliance with Idaho state law.
Your Late Fee
$75.00
Idaho has no statutory cap on late fees. Your fee should be "reasonable" and specified in the lease.
Rent + Fee
$1,575.00
Grace Period
None required
Idaho Late Fee Law
Grace period: No grace period required
Fee cap: No statutory cap
Daily fees: Allowed
No statutory cap. Must be in lease.
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Try Tenby FreeIdaho Late Fee Rules for Landlords
Idaho does not require a grace period by law, but most landlords include one in the lease. There is no statutory cap on late fees, but they must be "reasonable" and specified in the lease.
Use the calculator above to check if your proposed late fee complies with Idaho law. Need more tools? Try our prorated rent calculator or rent estimate tool.
For a complete guide to Idaho landlord-tenant law, read our Idaho Landlord-Tenant Law 2026 guide.