Free Tool
Iowa Late Fee Calculator
Calculate the maximum late fee you can legally charge in Iowa. Check grace periods, fee caps, and compliance with Iowa state law.
Your Late Fee
$75.00
Your proposed fee of $75.00 is within Iowa's statutory maximum of $100.00 ($20.00/day up to $100.00/month).
Rent + Fee
$1,575.00
Grace Period
None required
Statutory Maximum in Iowa
$100.00
Iowa Late Fee Law
Grace period: No grace period required by state law
Fee cap: $100.00 — $20.00/day up to $100.00/month
Daily fees: Allowed
Statute: Iowa Code § 562A.9(4)
Statutory daily caps: rent ≤ $700/mo → max $12/day and $60 total per month; rent > $700/mo → max $20/day and $100 total per month.
Laws change quietly. Colorado rewrote its late-fee rules in 2021, Connecticut in 2023. Get an email when Iowa changes its rules — and what to update in your lease.
Landlord Law Watch — $29/yr →Next Step
Generate the late fee notice
Turn this calculation into a printable, Iowa-compliant notice you can send to your tenant today — with the statute reference included.
Fill in the four fields above to generate your notice.
Get your state’s late fee rules + a compliant notice template
Grace periods, fee caps, and what makes a late fee unenforceable. Plus early access to Tenby.
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Try Tenby FreeIowa Late Fee Rules for Landlords
Iowa does not require a grace period by state law, but most landlords include one in the lease. The late fee is capped by statute at $20.00/day up to $100.00/month (Iowa Code § 562A.9(4)).
Use the calculator above to check if your proposed late fee complies with Iowa law. Need more tools? Check the Iowa security deposit calculator, or try our prorated rent calculator and rent estimate tool.
For a complete guide to Iowa landlord-tenant law, read our Iowa Landlord-Tenant Law 2026 guide.