Oklahoma Late Fees: No Statutory Cap Under the Landlord and Tenant Act

No statutory requirement in Oklahoma caps residential late fees or fixes a grace period—Title 41 contains no late-fee provision. Because late charges are a matter of contract, the enforceable amount is what the lease specifies, and a tenant who pays late is liable for that agreed charge. Separately, when rent goes unpaid, Okla. Stat. tit. 41 § 131(B) lets the landlord terminate the tenancy if rent is not paid "within five (5) days after written notice of landlord's demand for payment." That 5-day demand period governs eviction timing, not late fees; courts may still scrutinize a late fee that operates as an unreasonable penalty rather than a reasonable estimate of damages.

No specific statutory penalty and no statutory cap. A late fee that functions as an unconscionable penalty rather than a reasonable charge may be challenged as unenforceable under general contract principles.