Idaho Rental Laws: Deposits, Repairs, and Evictions

Idaho rental laws sit mostly in Title 6, Chapter 3 (evictions, deposits, habitability) and Title 55 (lease terms and termination). The state leans landlord-friendly in several respects: no cap on security deposits, no statewide limit on late fees, and no local rent control. Tenants still have real protections around habitable conditions, deposit returns, and court-only evictions, but the timelines are short and a missed step can forfeit a right entirely.

Rent, Lease Changes, and Ending a Tenancy

A written lease is required for any tenancy longer than one year. Oral agreements are legal for shorter terms but create obvious proof problems if a dispute reaches court.¹

For a month-to-month tenancy, a landlord can change any lease term, including the rent, by giving at least 15 days’ written notice before the end of the month. If the tenant stays past that month, the new terms become part of the lease.² Either party can end a month-to-month tenancy by giving at least one full month’s written notice. The statute says “one month,” not “30 days,” so the period runs from the delivery date through the same date the following month.³

There is no cap on how much rent can go up. Idaho has no statewide rent control, and the legislature bars local governments from passing any ordinance regulating rent, fees, or deposits on private residential property.² For fixed-term leases, rent stays locked for the term unless both parties agree in writing to change it.

Late fees are not capped by statute, but courts can refuse to enforce one they consider unconscionable.⁴ A $50 fee on $1,200 rent is unlikely to be challenged; a $500 fee might be.

Security Deposits

Idaho sets no ceiling on the deposit amount. The real regulation kicks in when the tenancy ends. After the tenant moves out and surrenders possession, the landlord has 21 days to return the deposit if the lease is silent on timing. The lease can set a different return period, but it can never exceed 30 days.⁵

Any deductions must come with a signed, itemized statement listing every charge, the reason for it, and a detailed breakdown of actual costs. “Cleaning — $300” is not enough. The statement needs to show what was cleaned, what it cost, and why the charge is the tenant’s responsibility rather than normal wear and tear.⁵

A landlord who willfully withholds a deposit or misses the deadline can be sued for up to three times the withheld amount. In any lawsuit under this chapter, the prevailing party, whether landlord or tenant, is entitled to attorney fees.⁶ Two-way fee shifting gives both sides a reason to take the rules seriously.

Repairs and Habitability

A landlord must weatherproof the unit; keep electrical, plumbing, heating, ventilation, cooling, and sanitation systems in good working order; eliminate conditions that endanger health or safety; and install approved, working smoke detectors at the start of the tenancy. The tenant is responsible for maintaining the detectors after that. The statute also allows claims for breach of any lease term that materially affects the tenant’s health or safety.⁷

The Three-Day Notice

Before suing, a tenant must give the landlord written notice listing the specific statutory problems. Deliver it in person or by certified mail with return receipt requested. The landlord has three days after receiving the notice to begin or complete repairs. Those are calendar days, though if the third day falls on a weekend or holiday, the deadline extends to the next business day.⁷

If the landlord does nothing, the tenant can file in magistrate or small claims court seeking an order forcing repairs (specific performance) or money damages. When the claim is only for specific performance, the court must schedule trial within 12 days. Adding a damages claim removes that expedited timeline.⁷

No Repair and Deduct

Idaho does not let tenants hire a contractor, pay out of pocket, and subtract the cost from rent. Trying it without a court order or prior written agreement is a fast way into an eviction for unpaid rent. The single exception is smoke detectors: if the landlord fails to install working detectors after a certified-mail notice, the tenant can install them and deduct the cost from the next month’s rent. The detectors then become the landlord’s property.⁷

Landlord Entry

Idaho has no statute setting a notice period before a landlord enters a rental unit.¹ The terms of entry are whatever the lease says. Most professionally drafted leases require 24 or 48 hours’ notice for non-emergency visits.

A tenant whose lease is silent on entry still has a common-law right to quiet enjoyment of the property, but enforcing it without specific lease language is harder. Before signing, check whether the lease addresses entry; if it does not, ask for a clause to be added. Emergencies such as a burst pipe, fire, or gas leak generally permit immediate access regardless of lease terms.

Fair Housing

The federal Fair Housing Act prohibits discrimination based on race, color, religion, sex, national origin, familial status, or disability. The Idaho Human Rights Act covers race, color, religion, sex, national origin, and disability in housing transactions.⁸ Federal law separately protects familial status, so landlords cannot refuse to rent to families with children under 18.

Rental ads using language that signals a preference, such as “no children,” “Christian household,” or “young professionals only,” violate fair housing rules even when no applicant is directly turned away. The prohibition reaches online listings, window signs, and statements over the phone.

Assistance Animals After the 2026 HUD Change

On May 22, 2026, HUD permanently canceled its prior guidance on emotional support animals. Under the new policy, HUD will only pursue fair housing complaints involving assistance animals that have been individually trained to perform specific tasks for a person with a disability. The earlier expectation that landlords would accommodate untrained ESAs with a provider’s letter no longer applies at the federal level.

HUD’s new standard aligns closely with the ADA definition of a service animal, though HUD still recognizes trained animals other than dogs. The change applies to Fair Housing Act complaints filed with HUD and does not override state laws that may offer broader protections. Idaho has no state-specific ESA statute, so the federal guidance is the primary framework here. Landlords should still engage in the interactive reasonable-accommodation process when a tenant requests one; the change affects what HUD will investigate, not the underlying regulatory text, which remains in place pending future rulemaking.

Pre-Eviction Notice

No landlord can skip straight to court. The required notice depends on the reason:

Unpaid rent: a three-day notice stating the exact amount owed and demanding payment or possession.⁹
Other lease violations: a three-day notice describing the specific breach and giving the tenant three days to cure or vacate.⁹
Ending a month-to-month tenancy without cause: at least one month’s written notice from either side.³

Deliver the notice in person or by certified mail. For attorney fees to be available to the prevailing party in a rent-related eviction, the three-day notice must explicitly say so.⁶ Listing the wrong rent figure, failing to describe the breach, or using the wrong notice period can get the entire case thrown out. The notice period must fully expire before anything is filed with the court.

Eviction in Court

Once the notice period runs out and the tenant has not complied, the landlord files a complaint for unlawful detainer with a summons. The court must schedule trial within 12 days of filing, and the tenant must be served at least five days before trial.¹⁰ Both sides need their evidence ready fast.

At trial the judge reviews whether the landlord followed correct notice procedures and whether the tenant actually breached the lease or failed to pay. If the landlord wins, the tenant has 72 hours to remove their belongings. After that, and no sooner than three days after the court’s finding, the sheriff can physically remove the tenant and restore possession through a writ of restitution.¹¹

Idaho evictions run through the courts only. A landlord who changes the locks, removes doors, or shuts off utilities to force a tenant out is exposed to a civil lawsuit.

Belongings Left Behind After Eviction

After the 72-hour removal window passes and the sheriff restores possession, the landlord can remove and dispose of personal property the tenant left behind “without any further compensation or consideration to the tenant.”¹¹ The exception is property subject to a security interest under Idaho’s Uniform Commercial Code, such as a financed vehicle. The court can also award the landlord reasonable costs for removing the property and restoring the unit.

Outside a court-ordered eviction, the rules are less defined. If a tenant disappears, returns the keys, removes most belongings, or goes silent while rent piles up, a landlord can treat the property as abandoned. Return of keys, removal of most possessions, extended absence with unpaid rent, or other evidence that would lead a reasonable person to conclude the tenant permanently left all point toward abandonment. The safer approach is to document the condition of the unit and the items left before disposing of anything.

Lease Clauses That Will Not Hold Up

Not everything a landlord writes into a lease is enforceable. The Idaho Attorney General has identified clauses that conflict with state law and are unlikely to survive a court challenge:

Waivers of tenant rights under the landlord-tenant statutes, such as the right to sue over uninhabitable conditions.
Language purporting to prevent the tenant from appearing to defend against an eviction.
Releases of the landlord’s statutory duties, such as maintaining plumbing or heating.
Provisions allowing entry at any time without following lease or legal notice procedures.
Deposit charges for damage the tenant did not cause, or for pre-existing conditions.
Automatic attorney fees to the landlord regardless of outcome. Idaho awards fees to the prevailing party.
Any landlord lien on the tenant’s personal property for unpaid rent. Idaho creates no automatic lien; one exists only if specifically established by contract.

If a lease contains language like this, those specific provisions are likely unenforceable even though the rest of the lease remains binding.¹

1
Office of the Attorney General. Idaho Landlord and Tenant Manual
2
Idaho State Legislature. Idaho Code 55-307 – Change in Terms of Lease, Notice, No Rent Control
3
Idaho State Legislature. Idaho Code 55-208 – Termination of Tenancy at Will
4
U.S. Department of Housing and Urban Development. Cityscape – Survey of State Laws Governing Fees Associated With Late Payment of Rent
5
Idaho State Legislature. Idaho Code 6-321 – Security Deposits
6
Idaho State Legislature. Idaho Code 6-324 – Attorney Fees
7
Idaho State Legislature. Idaho Code 6-320 – Action for Damages and Specific Performance by Tenant
8
Idaho State Legislature. Idaho Code 67-5909 – Acts Prohibited
9
Idaho State Legislature. Idaho Code 6-303 – Unlawful Detainer Defined
10
Idaho State Legislature. Idaho Code 6-310 – Action for Possession, Complaint, Summons
11
Idaho State Legislature. Idaho Code 6-316 – Judgment, Restitution