Montana Security Deposit
Return Calculator
Calculate security deposit limits and return deadlines under Montana landlord-tenant law.
Estimate your Montana Security Deposit Return
Calculate security deposit limits and return deadlines under Montana landlord-tenant law.
· Data sourced from Montana statutes and court fee schedules.
Important: This tool provides educational estimates only — not legal advice. Made For Law is not a law firm and is not affiliated with, endorsed by, or connected to any federal, state, county, or local government agency or court system. Calculator results are based on statutory formulas and publicly available fee schedules — not AI. Supporting content is AI-assisted and editorially reviewed. Results may not reflect recent legislative changes or your specific circumstances. Do not rely solely on these estimates — always verify with official sources and consult a licensed attorney before making legal or financial decisions. Full disclaimer
Montana security deposit laws set rules for maximum deposit amounts, allowable deductions, return deadlines, and penalties for non-compliance under MCA § 72-3-631. Landlords who fail to return deposits on time may owe statutory penalties.
Key Takeaways
- Maximum deposit: No statutory limit
- Return deadline: 30 days (10 days if no deductions)
- Interest required: No
- Penalty for violations: Tenant may recover full deposit plus damages for failure to return
Key facts for Montana security deposit return
What drives security deposit return in Montana

Security Deposit Laws in Montana
Montana does not impose a statutory limit on the amount a landlord can collect as a security deposit. However, the state does regulate the return process: landlords must return deposits within 30 days (10 days if no deductions) and provide an itemized list of any deductions.
The state does not require landlords to pay interest on deposits. The governing statute is Mont.
Code § 70-25-202.
While the lack of a deposit cap gives Montana landlords more flexibility in setting deposit amounts, tenants still have important protections during the return process. Landlords who fail to return deposits on time or who make improper deductions face penalties: tenant may recover full deposit plus damages for failure to return.
The absence of a deposit limit makes it especially important for Montana tenants to understand what constitutes a lawful deduction and how to dispute excessive charges.
Montana's Security Deposit Law (MCA § 70-25-101 et seq.) requires landlords to provide a written statement of the deposit amount and conditions for deduction within 10 days of receiving the deposit. Montana's 10-day return deadline (when no deductions are made) is one of the shortest in the nation.
Billings, Missoula, and Bozeman do not have local rent control modifying state deposit rules. Montana's small claims limit is $7,000.
Montana courts have held that landlords must pro-rate deductions for items with a determinable useful life — full replacement cost is not recoverable when the item had already depreciated through prior use. Montana's extreme winters mean landlords sometimes attempt to deduct for weatherstripping or insulation damage — courts have generally found routine winter-related wear to be a maintenance obligation.
Maximum Security Deposit in Montana
Montana is one of the states that does not impose a statutory cap on security deposit amounts. Landlords have discretion to set the deposit at whatever amount they choose, though market forces and competition for tenants typically keep deposits in the range of one to two months' rent.
Unlike the roughly half of states that limit deposits to a specific number of months' rent, Montana leaves this to negotiation between landlord and tenant.
Even without a statutory cap, Montana tenants can negotiate deposit amounts. A strong rental history, good credit score, or willingness to sign a longer lease can provide leverage for a lower deposit.
Tenants should always get the deposit amount in writing as part of the lease agreement and request a receipt showing the exact amount paid and the date of payment.
Montana tenants should be aware that security deposits are separate from other move-in costs. Application fees, pet fees, cleaning deposits, and last month's rent are distinct charges that may or may not be subject to separate regulations.
Read your lease carefully to understand exactly what each payment covers and whether it is reimbursable.

Deposit Return Deadline and Itemization in Montana
Montana law requires landlords to return security deposits within 30 days (10 days if no deductions) after the tenant vacates the rental unit. This deadline is strict — this is roughly in line with the national average for deposit return deadlines.
The clock typically starts when the tenant surrenders possession of the unit and returns all keys.
Along with the deposit (or any remaining balance after deductions), the landlord must provide an itemized written statement listing each deduction. Montana law specifically requires this itemization, and failure to provide it within the statutory window can result in the landlord forfeiting the right to retain any portion of the deposit.
Each deduction must be documented — vague entries like "cleaning" or "damages" without specifics are generally insufficient.
To protect your rights as a tenant in Montana, always provide your landlord with a forwarding address in writing when you move out. Some states require the forwarding address before the return deadline begins to run.
Take date-stamped photos or video of the unit at both move-in and move-out to document the property's condition. If the landlord fails to return the deposit or provide an itemization within 30 days (10 days if no deductions), send a written demand letter via certified mail before pursuing legal action.
Allowable Deductions from Security Deposits in Montana
Under Montana law, landlords may deduct from the security deposit for the following: unpaid rent, damage beyond normal wear and tear, cleaning, re-renting costs. These deductions must be reasonable, documented, and itemized in the statement provided to the tenant.
Landlords cannot deduct for normal wear and tear — this is a critical distinction that is frequently disputed between landlords and tenants.
Normal wear and tear in Montana generally includes minor scuffs on walls, worn carpet from everyday foot traffic, small nail holes from hanging pictures, faded paint due to sunlight exposure, and minor door or window wear. Damage beyond normal wear includes large holes in walls, stained or burned carpet, broken windows, unauthorized modifications, pet damage, and excessive filth requiring professional cleaning.
The line between wear and damage is not always clear, which is why move-in and move-out condition documentation is critical.
While Montana does not require a formal walk-through inspection before move-out, tenants can request one. A pre-move-out inspection gives you the chance to fix any issues the landlord identifies, potentially saving deductions from your deposit.
Even without a formal requirement, conducting your own thorough inspection with date-stamped photos on the day you move out creates a strong evidence trail if you need to dispute deductions later.
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Interest Requirements and Escrow in Montana
Montana does not require landlords to pay interest on security deposits. No interest requirement.
This places Montana in the majority — only 14 of 51 jurisdictions require deposit interest. While tenants do not earn interest on their deposits in Montana, they still have full rights to the return of the principal amount, less any lawful deductions.
Even without an interest requirement, Montana tenants should be aware that their deposit money is being held for the duration of the lease. This represents a real opportunity cost, particularly for larger deposits.
When negotiating a lease in Montana, consider whether the deposit amount is reasonable relative to the monthly rent and whether any of the upfront costs can be reduced.
Montana does not require landlords to hold security deposits in a separate or escrow account. This means a landlord may commingle the deposit with personal or business funds, which carries some risk for tenants if the landlord faces financial difficulties.
Approximately 16 jurisdictions require separate accounts for deposit funds. Montana tenants may want to ask their landlord where the deposit is being held, even though disclosure is not always required by law.

Penalties for Security Deposit Violations in Montana
The penalties for security deposit violations in Montana are relatively limited. Under Mont.
Code § 70-25-202: tenant may recover full deposit plus damages for failure to return. These penalties apply when a landlord fails to return the deposit within the statutory deadline, makes improper deductions, or fails to provide the required itemized statement.
While Montana's penalties are less severe than states with double or triple damages provisions, tenants can still recover their full deposit plus actual damages through a lawsuit. The practical impact depends on the amount at stake and whether attorney fees are recoverable.
For smaller deposits, small claims court is typically the most cost-effective venue for resolving disputes.
To pursue a security deposit claim in Montana, tenants typically file in small claims court, which handles disputes up to a specified dollar amount without requiring an attorney. The process involves filing a complaint, paying a small filing fee, and presenting evidence at a hearing.
Key evidence includes the lease, proof of deposit payment, move-in and move-out photos, the landlord's itemized deductions statement (or lack thereof), and any correspondence about the deposit. Many Montana courts also offer mediation services that can resolve deposit disputes faster than a full hearing.
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Security Deposit Return Calculator in states that border Montana
Key statutes: MCA § 72-3-631
Sources
- Montana Courts — civil court procedures for security deposit disputes
- Montana Code Annotated — Legislature — landlord-tenant statutes, deposit limits, and return deadlines
- State Bar of Montana — tenant rights resources and attorney directory
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Open the calculatorLegal information, not legal advice. The Security Deposit Return Calculator for Montana produces estimates based on public fee schedules and state statutes. Actual costs vary by case. For advice about your situation, consult a licensed Montana attorney.