Columbia Falls Security Deposit Calculator (2026) — Free

One missed deadline. One wrong deduction. That's all it takes to owe 2x penalties in Columbia Falls. Calculate your exact limits before it costs you.

Calculate Your Security Deposit Limits

Monthly Rent ($)

Furnished or Unfurnished?

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result

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deadline / notice

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penalty if violated

Columbia Falls Security Deposit by Unit Size

Here are the amounts at Columbia Falls's current Fair Market Rents:

Unit Size	Median Rent	Max Deposit	Penalty Risk
Studio	$1,267/mo	No limit	Varies
1-Bedroom	$1,289/mo	No limit	Varies
2-Bedroom	$1,691/mo	No limit	Varies
3-Bedroom	$2,224/mo	No limit	Varies
4-Bedroom	$2,837/mo	No limit	Varies

Rents based on HUD Fair Market Rents (FY2026) for Flathead County.

Penalty Warning

If you fail to return the deposit within 30 days, a Columbia Falls tenant can sue for up to 2x the amount wrongfully withheld, plus attorney fees. Tenant may recover the deposit plus damages for wrongful withholding

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For the full breakdown of rules, deadlines, and procedures, see our Columbia Falls Security Deposit Laws guide.

More Columbia Falls Calculators

Rent Increase Calculator → Eviction Timeline → Late Fee Calculator →

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How we built this calculator: Security Deposit Calculator rules are based on Montana state statutes (Mont. Code §70-24-101 et seq.). Default rent values come from HUD Fair Market Rents (FY2026) for the Columbia Falls area. Last updated: August 2026. This tool provides general information, not legal advice. Consult a licensed attorney for guidance specific to your situation.

RA

Reviewed by Rachid Abadli

Founder & CEO, LeaseBase · Sacramento landlord · Self-managing since 2019

LeaseBase is a property management platform — not a law firm. Consult an attorney for legal advice specific to your situation.