No statutory limit. The return rule is 21 days. The controlling text is Idaho Code § 6-321.
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Idaho's return deadline
21 days.
The default deadline is 21 days after the tenancy ends, and the lease may extend it to no more than 30 days. If your lease is silent, the 21-day clock controls.
The itemized statement rule
A signed written statement itemizing the reasons for any deduction is required. Deliver it with the balance within the applicable deadline.
Account and interest rules
Idaho sets no separate-account or interest requirement. Hold the deposit apart from operating cash as a matter of practice.
Exposure for wrongful withholding
Wrongfully withheld amount plus fees.
A landlord who fails to provide the statement or refund on time is liable for the amount wrongfully withheld, and a court may add the tenant's attorney fees. Idaho leaves the amount uncapped, so the timely itemized statement is the discipline that keeps you out of court.
Idaho has no statutory deposit maximum
No statutory limit.
Compare Idaho with neighboring states
- Washington: no statutory limit; return rule: 30 days.
- Oregon: no statutory limit; return rule: 31 days.
- Nevada: three months' rent; return rule: 30 days.
- Utah: no statutory limit; return rule: 30 days.
- Wyoming: no statutory limit; return rule: 30 days.
- Montana: no statutory limit; return rule: 10 or 30 days.
Verified against Idaho Code § 6-321 and official state sources in July 2026. Before withholding money, check the current statute text or ask a local landlord-tenant attorney. General information, not legal advice.