Kansas Month to Month Lease

Kansas Late Fee Laws — Grace Periods, Caps and Illegal Fees (2026)

By Oleg Kachko · Updated September 29, 2026

✓ Law Verified September 2026

Kansas late fee laws decide two things every renter eventually needs to know: how many days you have before a late fee can be charged, and how big that fee is allowed to be. This guide gives the Kansas answer to both in plain English, plus what to do when a fee breaks the rules, verified against official Kansas sources as of September 2026.

Kansas Late Fee Laws at a Glance

Grace period before a late fee NONE. The Kansas Residential Landlord and Tenant Act (K.S.A. 58-2540 et seq.) sets no grace period before a late fee can be charged. Any grace period comes only from your lease.
Cap on the late fee NO CAP. No Kansas statute limits the dollar amount or percentage of a residential late fee.
Must be in the written lease YES in practice. No statute sets a late fee, so a landlord generally needs a clear late-fee term in the rental agreement to charge one. If your lease has no late-fee term, you may be able to refuse the fee.
Per-day late fees NO RULE. Kansas law neither allows nor bans per-day late fees. Daily fees that keep adding up can be challenged as unconscionable under K.S.A. 58-2544 or as a penalty.

How Much A Kansas Landlord Can Charge

The cap: NO CAP. No Kansas statute limits the dollar amount or percentage of a residential late fee.

Under K.S.A. 58-2544, a court that finds a lease term was unconscionable when made may refuse to enforce it, strike it, or limit it. Each side gets a chance to present evidence about the setting, purpose and effect of the term.

Kansas courts also apply the general contract rule on liquidated damages: a fee is enforceable only if it was a reasonable estimate, at signing, of the landlord’s real losses from late payment. A fee that works as a penalty may be void.

The Kansas Supreme Court case on liquidated damages, Carrothers Construction, is a construction case, not a lease case. The “4 to 5 percent” figure you may see online is commentary, not law.

Under the Kansas late fee laws, the number in the lease is the starting point, not the last word. A fee that is legal in size can still be illegal in timing (charged before the grace period runs), in form (never written into the lease), or in how it is collected.

The Grace Period: When the Clock Actually Starts

Statutory grace period in Kansas: NONE. The Kansas Residential Landlord and Tenant Act (K.S.A. 58-2540 et seq.) sets no grace period before a late fee can be charged. Any grace period comes only from your lease.

A lease can give you more time than the Kansas late fee laws require, but never less. A fee charged inside the grace period is not owed.

Three Rules Landlords Get Wrong

Must the fee be in the lease? YES in practice. No statute sets a late fee, so a landlord generally needs a clear late-fee term in the rental agreement to charge one. If your lease has no late-fee term, you may be able to refuse the fee.

Can it come out of your deposit? NO EXPRESS RULE. K.S.A. 58-2550 lets a landlord apply the deposit to “accrued rent” and to damages from the tenant’s noncompliance with the Act and the rental agreement. The statute does not name late fees. Landlords may argue a fee that is in the lease counts, and tenants can dispute fees that are unreasonable or not in the lease.

If a landlord wrongfully withholds deposit money, the tenant may recover the amount due plus damages equal to 1.5 times the amount wrongfully withheld (K.S.A. 58-2550).

Can a late fee alone get you evicted? The 3-day pay-or-quit notice in K.S.A. 58-2564(b) applies when “rent is unpaid when due.” Unpaid late fees alone generally are not unpaid rent. However, a lease may call late fees “additional rent,” and a landlord might try the separate 14/30-day notice for breaking the lease under K.S.A. 58-2564(a). If you are served, check your lease and with your court.

The 3-day period runs as three consecutive 24-hour periods, plus 2 days if the notice is mailed.

What to Do About an Illegal Late Fee in Kansas

Many tenants can dispute the fee in writing and pay the base rent on time, keeping proof of payment. You may be able to raise unconscionability (K.S.A. 58-2544) as a defense if you are sued for eviction or unpaid fees. You can also sue in small claims court to get back fees you already paid, or to recover deposit money wrongfully withheld plus 1.5 times that amount under K.S.A. 58-2550.

No Kansas statute creates a separate penalty against a landlord just for charging an excessive late fee. For fees that look deceptive, you may be able to file a complaint with the Kansas Attorney General’s Consumer Protection Division.

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Whatever the remedy, keep paying the rent itself on time and in full. Dispute the fee separately, in writing, citing the Kansas late fee laws rule it breaks, and keep a copy. Landlords rarely file a case over a disputed fee; they do file over unpaid rent, so never withhold rent to protest a fee.

Do the Math Before You Pay

Take the fee in your lease and compare it to the rent. A fee of a few percent of monthly rent is the range most Kansas courts accept as reasonable; a fee that approaches a week of rent, or one that keeps growing by the day without limit, is the kind that gets thrown out.

Then check the date: count the days from the due date to the day the fee was charged, and set that against the grace period above.

Two numbers decide almost every late-fee dispute, the size of the fee and the day it was charged. Write both down before you call the landlord, because the Kansas late fee laws are easiest to enforce when you can state exactly which rule was broken.

Paper Beats Memory: Protecting Yourself Going Forward

Pay rent in a way that leaves a dated record, a bank transfer, a portal receipt, a check image, so a “late” claim can be answered with a timestamp. If you know rent will be late, tell the landlord in writing before the due date; many will waive the fee once, and the message itself is evidence of good faith.

Keep every fee notice. A pattern of fees charged inside the grace period, or above the cap where Kansas has one, is exactly the evidence a small-claims judge wants to see, and it is the evidence that turns one disputed fee into a refund of every fee you paid.

Recent changes in Kansas: In 2026, HB 2666 and SB 369 proposed a 5 percent cap on late fees, a 5-day grace period, no late fees charged on earlier late fees, and upfront fee disclosures. Both were left in committee, and the 2025-2026 Legislature has adjourned sine die, so neither is law. For now, Kansas late fees are limited only by the lease and the court reasonableness and unconscionability tests.

Kansas Late Fee Laws: Quick Answers

Is there a maximum late fee in Kansas? Yes. Under the Kansas late fee laws, NO CAP. No Kansas statute limits the dollar amount or percentage of a residential late fee.

Can my landlord charge a late fee that is not in my lease? YES in practice. No statute sets a late fee, so a landlord generally needs a clear late-fee term in the rental agreement to charge one. If your lease has no late-fee term, you may be able to refuse the fee.

Can I be evicted for an unpaid late fee? The 3-day pay-or-quit notice in K.S.A. 58-2564(b) applies when “rent is unpaid when due.” Unpaid late fees alone generally are not unpaid rent. However, a lease may call late fees “additional rent,” and a landlord might try the separate 14/30-day notice for breaking the lease under K.S.A. 58-2564(a). If you are served, check your lease and with your court.

The 3-day period runs as three consecutive 24-hour periods, plus 2 days if the notice is mailed.

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Official Kansas Sources & Resources

Using the Kansas Late Fee Laws Without Starting a War

The Kansas late fee laws are only useful to a tenant who reads the lease first. Find the late-fee clause, check its amount and its trigger date against the rules on this page, and write down what the lease actually says before you dispute anything.

If the fee breaks the Kansas late fee laws, say so in writing and pay the rent itself on time anyway, an illegal fee is a small-claims problem, while unpaid rent is an eviction problem. Under the Kansas late fee laws, the renter who keeps paying rent and disputes only the fee is the one who wins.

This guide to kansas late fee laws was last verified against official sources in September 2026. Late-fee caps are a live legislative topic in several states, re-check before relying on a figure in court.

More Kansas Tenant Rights Guides

Disclaimer: This guide is informational only and is not legal advice. Landlord-tenant laws change and vary by city and county within a state. Verify current rules with your state, your local court, or a free legal-aid office before acting. If you are facing eviction, contact a local tenant attorney or legal-aid organization right away.

Renting? Protect your belongings — compare renters insurance at Home Insure Guide. Divorce involving a lease? See Divorce Help Guide. Unsafe housing / toxic mold injury? Some cases qualify — see Mass Tort Info.