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Kansas subletting and assignment rules: written consent for terms up to two years and tenancies at will

K.S.A. 58-2511 says no tenant for a term not exceeding two years, or at will, or by sufferance, may assign or transfer the term or interest, in whole or in part, without the written consent of the landlord or a person holding under the landlord. Annotations treat an assignment made without consent as voidable, not void.

Which Kansas tenancies does the statute cover?

Tenancies for a term not exceeding two years, tenancies at will and tenancies by sufferance. That covers almost every apartment lease: a month-to-month arrangement is at will or periodic, and a one-year lease is well under two years. A tenant under such a tenancy may not assign or transfer the term or interest, in whole or in part, without written consent.

"In part" matters. A transfer of part of the interest, such as renting a room to someone, is within the words of the statute.

What happens to a transfer made without consent?

The case annotations on the statute page say an assignment made without the landlord's assent is not void but voidable. In practice that means the landlord can object, but it is the landlord's choice. A landlord who knows about the transfer, accepts rent from the new occupant and says nothing risks a later argument that the landlord went along with it. The annotations also note that a six-month lease cannot be assigned without the landlord's written consent, and that a lessor may seek an injunction against a sublessee to prevent unauthorized use.

Example a made-up landlord in Overland Park has a one-year lease with a tenant who moves out in month five. A friend takes over and pays the landlord directly for three months. Without a written consent, the landlord can treat the transfer as voidable, but accepting three months of the friend's rent will make that harder.

What does the section leave out?

It sets no deadline for the landlord to answer, no standard such as reasonableness, and no fee. The page I read states no remedy beyond the consent requirement. Everything else, including which reasons you will accept, comes from your lease and your policy. A short written policy that applies to every request is the best way to supply the missing standard.

Where Kansas landlords slip

Two things go wrong. The first is silence plus rent. Cashing a stranger's rent checks is the practical equivalent of consenting, so move quickly when you find an unapproved occupant: send a written notice, offer an application and set a date. The second is a consent that is too vague. Name the new occupant, the dates, the rent, and whether the original tenant remains responsible. Keep the signed consent with the lease. Because the statute asks for written consent from the landlord or someone holding under the landlord, make sure your property manager or agent knows who may sign.

Writing a clear consent

A consent under K.S.A. 58-2511 should be written, signed by the landlord or someone holding under the landlord, and specific. Name the person receiving the interest, say whether it is the whole unit or part of it, set the dates, restate the rent and say what happens to the security deposit. Say plainly whether the original tenant stays responsible. If you refuse, say it in writing and keep your reasons consistent with those you give other tenants. A paper trail like this is more valuable than any view about whether an unconsented assignment is void or voidable.

How DoorKeeping fits in Kansas

DoorKeeping keeps a Kansas tenant's sublet or assignment request in the unit's message thread with the date it arrived, the proposed occupant's details and your reply. Rent arriving from a name that is not on the lease can be flagged for a decision, which is when a written consent should be asked for. This is general information, not legal advice. Check the current statute and your lease before you act.

Sources

  1. Kansas Statutes 58-2511, Assignment or transfer by tenant (Kansas Revisor of Statutes), read Oct 30, 2026

Questions

Can a Kansas tenant assign a lease without consent?
Not under K.S.A. 58-2511 for a term not exceeding two years, at will or by sufferance: written consent of the landlord is required.
Is an unapproved Kansas assignment void?
The annotations say it is voidable, not void.
Does the Kansas statute set a deadline for answering?
No. It sets no deadline or reasonableness standard.