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Free Idaho Rent
Increase Notice Template

Last reviewed September 2026

Written by LawLease Editorial

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Idaho Rent Increase Notice

An Idaho landlord has to give tenants written notice before rent goes up. How much notice — and whether there’s a cap — is set by statute. Here’s what Idaho’s says.

Idaho rules at a glance

Idaho rules for a Rent Increase Notice
Notice before an increase30 days. In every residential lease, the landlord must give written notice at least 30 days before a rent increase takes effect. The same 30-day notice applies to non-renewal.Idaho Code §55-304(2)
Rent capCities and counties may not enact ordinances that regulate rent, fees or deposits on private residential rentals.Idaho Code §55-306

Rent, late fees & rent increases

  • Fees must be reasonable and disclosed — Under a 2023 law, every fee charged to a residential tenant — including late fees — must be reasonable. A landlord can’t charge a fee, fine or cost that isn’t in the rental agreement, or more than the agreed amount, unless the agreement is oral or the landlord gives 30 days’ written notice of the change. It applies to leases signed or renewed on or after July 1, 2023, and doesn’t limit the rent itself (§55-305).
  • No fixed late-fee cap — Idaho sets no dollar or percentage cap and no mandatory grace period; an excessive late fee risks being struck as unreasonable.
  • 30-day increase notice — In every residential lease, the landlord must give written notice at least 30 days before a rent increase takes effect (§55-304(2)); a 2025 recodification moved this rule from §55-307. A fixed-term lease can’t be raised mid-term unless it says so.
  • Rent control — Cities and counties may not enact ordinances that regulate rent, fees or deposits on private residential rentals, or force owners into optional federal housing-assistance programs (§55-306).

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