Idaho Security Deposit Law
What landlords in Idaho need to know about deposit limits, refund deadlines, interest, and penalties for getting it wrong.
Deposit cap
No statutory cap
Refund deadline
21 days
21 days, or 30 days if the lease specifies a longer period.
Interest required?
No
No statewide interest requirement.
Separate account?
Not required
Penalty for noncompliance
Bad-faith withholding can result in damages up to twice the amount withheld.
Statute: Idaho Code § 6-321
This page summarizes general state-level rules as of 2026 and does not cover city or county ordinances, which can be stricter. Verify against the statute cited above or with a local attorney before relying on it. See all states.