Typical residential security deposit amount a landlord holds and later accounts for on a return statement in Idaho (2026)
A typical Idaho range, the local factors behind it, and the tools to price your own project.
Reviewed for 2026, updated September 8, 2026.
What drives the cost in Idaho
Idaho deposits generally sit a little below the national typical range, though Boise and the Coeur d'Alene area have climbed quickly with inbound migration. The state sets no cap, is commonly cited as allowing 21 days for return (up to 30 if the lease provides), and requires an itemized statement, with fewer formal procedural rules than many coastal states. Cold, dry winters and hot, dusty summers create cracked caulk, dry wood floors, and heavy filter loads, and rural markets can have long waits for contractors.
Tips for Idaho buyers
- Write the 30-day option into your lease if you want it; otherwise assume the shorter default applies.
- Photograph flooring and caulk lines at move-in since dry-air shrinkage is easy to mistake for tenant damage.
- Boise's rental market moves fast, so keep a template statement ready for quick turnovers.
Ranges are hedged planning estimates derived from a national typical range and a local index, not quotes. A typical single deposit on a market-rate residential rental is commonly around one month's rent, which puts most deposits somewhere in this range; actual amounts vary widely with local rents, unit size, pets, and state caps, and this is a working reference rather than a survey figure.
Price your project
- Deposit Deduction Depreciation Calculator: Estimates how much of a carpet, paint, blind, or appliance replacement a landlord can fairly deduct from a security deposit once the item's age and normal wear are taken into account.
- Security Deposit Refund Statement Calculator: Adds up the deposit held, any interest owed, and each itemized deduction to show the exact refund due to the tenant or the balance the tenant still owes.
- Late Deposit Return Penalty Exposure Calculator: Shows landlords how many days remain before a state return deadline and what missing it could cost when a statute allows forfeited deductions or multiplied damages.