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Potomac Late Fee Calculator (2026) — Free

Charge above Illinois's late fee limit and it's void in court. Calculate your maximum legal late fee, grace period, and compliant collection process.

Calculate Your Late Fee Limits

Results for Potomac, IL

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result

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deadline / notice

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penalty if violated

Potomac Late Fee by Unit Size

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

Unit Size Median Rent Max Late Fee Grace Period
Studio $672/mo Reasonable 5
1-Bedroom $742/mo Reasonable 5
2-Bedroom $974/mo Reasonable 5
3-Bedroom $1,179/mo Reasonable 5
4-Bedroom $1,306/mo Reasonable 5

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

Penalty Warning

Violating Illinois rules in Potomac can result in penalties, voided actions, and tenant lawsuits. Courts consistently side with tenants on procedural technicalities.

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For the full breakdown of rules, deadlines, and procedures, see our Potomac Late Fee Limits guide.

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How we built this calculator: Late Fee Calculator rules are based on Illinois state statutes (765 ILCS 705 et seq.). Default rent values come from HUD Fair Market Rents (FY2026) for the Potomac 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.