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Idaho rules for deposits, notice, and late fees

Deposit, notice, and late-fee figures cited to the state statute.

RuleRule text
Deposit return deadlineRefunds shall be made within 21 days if no time is fixed by agreement and, in any event, within 30 days after the tenant surrenders the premises. A refund of less than the full deposit shall include a signed statement itemizing the amounts lawfully retained, the purpose for those amounts, and a detailed list of expenditures. Idaho Code § 6-321. As of 2026-10-09.
Notice for a rent increaseIn a residential lease, the landlord shall give the tenant written notice of any increase in rent at least 30 days before the increase is intended to take effect. Idaho Code § 55-304. As of 2026-10-09.
Notice to end a tenancyIn a residential lease, the landlord shall give the tenant written notice of an intention not to renew at least 30 days before the nonrenewal. Idaho Code § 55-304. As of 2026-10-09.
Late feeAny fee imposed on a residential tenant, including a fee for late payment of rent, shall be reasonable. An owner may not charge a fee greater than the amount agreed in the rental agreement, or a fee that is not included in the rental agreement. Idaho Code § 55-305. As of 2026-10-09.
Eviction noticeAfter a default in rent, three days' written notice requiring payment of the amount due, or possession, must be served on the tenant. The notice shall also state that if a court enters judgment against a residential tenant, the tenant will have 72 hours to remove belongings before the landlord may remove and dispose of them. Idaho Code § 6-303. As of 2026-10-09.
Full statute text

Refunds shall be made within 21 days if no time is fixed by agreement and, in any event, within 30 days after the tenant surrenders the premises. A refund of less than the full deposit shall include a signed statement itemizing the amounts lawfully retained, the purpose for those amounts, and a detailed list of expenditures.

Any fee imposed on a residential tenant, including a fee for late payment of rent, shall be reasonable. An owner may not charge a fee greater than the amount agreed in the rental agreement, or a fee that is not included in the rental agreement.

After a default in rent, three days' written notice requiring payment of the amount due, or possession, must be served on the tenant. The notice shall also state that if a court enters judgment against a residential tenant, the tenant will have 72 hours to remove belongings before the landlord may remove and dispose of them.

Figures are from Idaho statutes, retrieved 2026-10-09. Primary sources: https://legislature.idaho.gov/statutesrules/idstat/Title6/T6CH3/SECT6-321/, https://legislature.idaho.gov/statutesrules/idstat/Title55/T55CH3/SECT55-304/, https://legislature.idaho.gov/statutesrules/idstat/Title55/T55CH3/SECT55-305/, https://legislature.idaho.gov/statutesrules/idstat/Title6/T6CH3/SECT6-303/.

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Questions

How soon must a landlord return a security deposit in Idaho?

Refunds shall be made within 21 days if no time is fixed by agreement and, in any event, within 30 days after the tenant surrenders the premises. A refund of less than the full deposit shall include a signed statement itemizing the amounts lawfully retained, the purpose for those amounts, and a detailed list of expenditures. Source: Idaho Code § 6-321, https://legislature.idaho.gov/statutesrules/idstat/Title6/T6CH3/SECT6-321/, as of 2026-10-09.

How much notice does a rent increase require in Idaho?

In a residential lease, the landlord shall give the tenant written notice of any increase in rent at least 30 days before the increase is intended to take effect. Source: Idaho Code § 55-304, https://legislature.idaho.gov/statutesrules/idstat/Title55/T55CH3/SECT55-304/, as of 2026-10-09.

How much notice ends a tenancy in Idaho?

In a residential lease, the landlord shall give the tenant written notice of an intention not to renew at least 30 days before the nonrenewal. Source: Idaho Code § 55-304, https://legislature.idaho.gov/statutesrules/idstat/Title55/T55CH3/SECT55-304/, as of 2026-10-09.

What late fee does Idaho allow?

Any fee imposed on a residential tenant, including a fee for late payment of rent, shall be reasonable. An owner may not charge a fee greater than the amount agreed in the rental agreement, or a fee that is not included in the rental agreement. Source: Idaho Code § 55-305, https://legislature.idaho.gov/statutesrules/idstat/Title55/T55CH3/SECT55-305/, as of 2026-10-09.

What eviction notice does Idaho require?

After a default in rent, three days' written notice requiring payment of the amount due, or possession, must be served on the tenant. The notice shall also state that if a court enters judgment against a residential tenant, the tenant will have 72 hours to remove belongings before the landlord may remove and dispose of them. Source: Idaho Code § 6-303, https://legislature.idaho.gov/statutesrules/idstat/Title6/T6CH3/SECT6-303/, as of 2026-10-09.

Estimates for planning; not tax/legal advice.