deposit-interest

Security Deposit Interest in Idaho: No State Requirement (2026)

Idaho Code §55-320 does not require landlords to pay interest on security deposits; there is no deposit cap, and deposits must be returned within… Calculator, statute citation, Last Verified date o

Rule verified: 2026-10-28

Quick answer

No — Idaho law does not require landlords to pay interest on security deposits. Idaho Code §55-320 does not require landlords to pay interest on security deposits; there is no deposit cap, and deposits must be returned within 21 days (up to 30 days with an itemized deduction statement). The rule comes from Idaho Code §55-320 (Deposits — Security). State statute (official text) · 2026-10-28

Calculator pre-loaded with this state:

State pre-filled: Idaho — rule applied per Idaho Code §55-320 (Deposits — Security). Switch the state if your property is elsewhere.

StateSecurity deposit ($)Tenancy startTenancy end

What Idaho law does — and does not — require

Idaho has no statewide statute requiring interest on security deposits. Idaho Code §55-320 does not require landlords to pay interest on security deposits; there is no deposit cap, and deposits must be returned within 21 days (up to 30 days with an itemized deduction statement).

The statute that governs deposits in Idaho, Idaho Code §55-320 (Deposits — Security), covers how and when the deposit itself must be returned — it simply does not mandate interest on top.

How interest must be paid

Interest accrues as N/a. Deposit returned within 21 days after tenancy termination and delivery of possession; up to 30 days if landlord furnishes an itemized written statement of deductions.

Who the law applies to

All residential rentals; no statutory cap on deposit amount; landlord not required to place deposit in any particular type of account.

States that do require deposit interest

Idaho has no statewide requirement. If you are moving or own rentals across state lines, these states do — each rate is the statutory value verified on the state page:

State	Statutory rate
Massachusetts	5% per annum, or the lesser amount of interest actually received from
Ohio	5% per annum
Maryland	greater of 1.5%/year or U.S. Treasury 1-year yield curve rate (leases
Minnesota	1% per annum
New York	Interest actually accrued/paid on the deposit in the interest-bearing

The statute behind it

| Field | Value | | --- | --- | --- | | Citation | Idaho Code §55-320 (Deposits — Security) | | Official text | legislature.idaho.gov | | Last verified | 2026-10-28 |

Cross-checked against: Idaho security deposit law guides (Golden CDA; Fynex) — concordant: no interest requirement, 21/30-day return, Justia — Idaho Code Title 55, Chapter 3 index (§55-320 Deposits — Security).

Statutes get amended. If you are relying on this page — for a move-out, a dispute, or a lease draft — click through to the official text and confirm the current wording.

FAQ

Does Idaho require landlords to pay interest on security deposits?

No. Idaho law does not mandate interest; whatever the lease says governs. Idaho Code §55-320 does not require landlords to pay interest on security deposits; there is no deposit cap, and deposits must be returned within 21 days (up to 30 days with an itemized deduction statement).

How is deposit interest calculated in Idaho?

Idaho Code §55-320 does not require landlords to pay interest on security deposits; there is no deposit cap, and deposits must be returned within 21 days (up to 30 days with an itemized deduction statement). The calculator at the top of this page reflects Idaho's rules where a numeric value exists.

When do I get the interest?

Deposit returned within 21 days after tenancy termination and delivery of possession; up to 30 days if landlord furnishes an itemized written statement of deductions.

Can my lease require the landlord to pay interest anyway?

Yes — a lease can always give you more than state law requires, never less. If your Idaho lease promises interest, that promise is enforceable as a contract even though no statute mandates it.

Independent second source · 2026-10-28