Oklahoma Rent Increase Notice Letter

An Oklahoma rent increase notice is a letter that officially informs a residential tenant of an upcoming adjustment to their monthly rent. For month-to-month tenancies, state law requires landlords to deliver written notice at least 30 days prior to the effective date.

Last updated October 8th, 2026

An Oklahoma rent increase notice is a letter that officially informs a residential tenant of an upcoming adjustment to their monthly rent. For month-to-month tenancies, state law requires landlords to deliver written notice at least 30 days prior to the effective date.

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State Laws

State Cap: No statute. Oklahoma has no statewide or local limits on rent increase amounts (11 O.S. § 14-101.1).

Notice Period: At least 30 days prior to the effective date for month-to-month tenancies (41 O.S. § 111(A)). For periodic tenancies shorter than month-to-month (such as week-to-week), at least 7 days‘ notice is required (41 O.S. § 111(B)).

Proof of Service: Notice must be personally delivered to the tenant in writing. If the tenant cannot be located, notice may be delivered to a family member over 12 years of age; if no family member can be found, service is completed by posting the notice in a conspicuous place on the dwelling unit and mailing a copy to the tenant by certified mail (41 O.S. § 111(E)).

Prohibited Acts: Landlords cannot increase rent for discriminatory reasons under the Oklahoma Anti-Discrimination Act (25 O.S. § 1452).

Sample