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Longmont Security Deposit Calculator (2026) — Free

One missed deadline. One wrong deduction. That's all it takes to owe 3x penalties in Longmont. Calculate your exact limits before it costs you.

Calculate Your Security Deposit Limits

Results for Longmont, CO

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deadline / notice

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penalty if violated

Longmont Security Deposit by Unit Size

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

Unit Size Median Rent Max Deposit Penalty Risk
Studio $1,171/mo No limit $3,513
1-Bedroom $1,238/mo No limit $3,714
2-Bedroom $1,563/mo No limit $4,689
3-Bedroom $2,174/mo No limit $6,522
4-Bedroom $2,590/mo No limit $7,770

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

Penalty Warning

If you fail to return the deposit within 30 days, a Longmont tenant can sue for up to 3x the amount wrongfully withheld, plus attorney fees. Landlord may owe up to 3x the wrongfully withheld amount plus attorney fees

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

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How we built this calculator: Security Deposit Calculator rules are based on Colorado state statutes (Colo. Rev. Stat. §38-12-101 et seq.). Default rent values come from HUD Fair Market Rents (FY2026) for the Longmont area. Last updated: August 2026. This tool provides general information, not legal advice. Consult a licensed attorney for guidance specific to your situation.
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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.