Idaho Rent Late Fee Laws
Quick answer
Idaho sets no fixed dollar/percentage cap on rent late fees — the fee must be a reasonable estimate of the landlord's actual damages and be stated in the lease.
Maximum late fee
No cap (reasonable)
Grace period
None (lease governs)
Statute
Idaho Code § 6-3
* shown for a $1500.00 rent, 10 days late. Use the calculator for your numbers.
Late-Fee Compliance
Check the legal maximum late fee, grace period & cap for all 50 states + DC — before you charge.
Informational only — not legal advice. Late-fee rules change and local ordinances may be stricter than the state rule. The fee must also be stated in the signed lease and, where no statutory cap exists, be a reasonable estimate of actual damages. Verify against current law before charging. Legal data last reviewed 2026-01.
Example
On $1500.00 monthly rent that's 10 days late in Idaho, the maximum legal late fee is not capped by a fixed amount.
Idaho late fee FAQ
What is the maximum late fee a landlord can charge in Idaho?
Idaho has no statutory cap. The fee must be reasonable and disclosed in the lease.
Is there a grace period for late rent in Idaho?
Idaho has no statutory grace period — the lease governs when a late fee applies.
Is a late fee legal if it isn't in the lease?
Generally no. In every state a late fee must be disclosed in the signed lease to be enforceable, regardless of any cap.
Other states
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Start managing rent →Informational only — not legal advice. Late-fee rules change and local ordinances may be stricter than the state rule. The fee must also be stated in the signed lease and, where no statutory cap exists, be a reasonable estimate of actual damages. Verify against current law before charging. Legal data last reviewed 2026-01.