Laws by state / Wyoming

Wyoming landlord and tenant rules

The figures that decide most disputes between Wyoming landlords and tenants, each with a calculator and the statute behind it.

Verified against the statutes 2026-10-22By RentByState Research

Rule	Wyoming	Statute	Tool
Maximum security deposit	No statutory limit	Wyo. Stat. § 1-21-1208(a)	Deposit rules
Deposit return deadline	Balance of the deposit, prepaid rent and written itemization delivered or mailed without interest within 30 days after termination of the rental agreement or within 15 days after receipt of the renter's new mailing address, whichever is later; extended by 30 days if there is damage to the unit	Wyo. Stat. § 1-21-1208(a)	Deposit rules
Interest on the deposit	Not required	Wyo. Stat. § 1-21-1208(a)
Maximum late fee	No statutory cap	Wyo. Stat. §§ 1-21-1201 to 1-21-1211 (no late-fee provision)	Late fee calculator
Landlord notice, month-to-month	No Wyoming statute sets a notice period for ending a month-to-month tenancy; the rental agreement and common law (reasonable notice, customarily one rental period) govern	Wyo. Stat. § 1-21-1002(a)(i); § 1-21-1003 (3 days' written notice to quit after rent is 3 days past due)	Notice calculator
Tenant notice, month-to-month	No Wyoming statute sets a notice period for ending a month-to-month tenancy; the rental agreement and common law (reasonable notice, customarily one rental period) govern	Wyo. Stat. § 1-21-1002(a)(i); § 1-21-1003 (3 days' written notice to quit after rent is 3 days past due)	Notice calculator
Rent increase notice	No statute	Wyo. Stat. § 1-21-1002(a)(i); § 1-21-1003 (3 days' written notice to quit after rent is 3 days past due)	Notice calculator
Pay-or-quit notice	3 days	Wyo. Stat. § 1-21-1002(a)(i); § 1-21-1003 (3 days' written notice to quit after rent is 3 days past due)	Notice calculator
Rent increase cap	None statewide

Security deposits in Wyoming

Wyoming sets no statutory limit on the size of a security deposit. The deposit must be returned balance of the deposit, prepaid rent and written itemization delivered or mailed without interest within 30 days after termination of the rental agreement or within 15 days after receipt of the renter's new mailing address, whichever is later; extended by 30 days if there is damage to the unit. No interest is owed on the deposit under state law. The renter must notify the owner within 30 days of termination where payment and notice may be sent. Unreasonable failure to comply lets the renter recover the full deposit and court costs. Separately identified utility deposits are refunded within 10 days of proof utilities are paid. Full deposit rules and move-out checklist.

Late fees in Wyoming

Wyoming sets no statutory cap on late fees. The amount is whatever the lease says, subject to the general rule that it must not be an unconscionable penalty. There is no statutory grace period, so the lease controls when the fee starts. Calculate the maximum fee.

Notice periods in Wyoming

Wyoming: No Wyoming statute sets a notice period for ending a month-to-month tenancy; the rental agreement and common law (reasonable notice, customarily one rental period) govern There is no separate statutory notice period for rent increases; the month-to-month termination notice is the practical minimum. For nonpayment, the landlord must serve a 3-day notice to pay or quit before filing for eviction. Calculate the effective date of a notice.

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Frequently asked questions

How much can a landlord charge for a security deposit in Wyoming?

There is no statutory cap in Wyoming; the market and the lease decide. The renter must notify the owner within 30 days of termination where payment and notice may be sent. Unreasonable failure to comply lets the renter recover the full deposit and court costs. Separately identified utility deposits are refunded within 10 days of proof utilities are paid.

What is the maximum late fee for rent in Wyoming?

There is no statutory maximum in Wyoming. No statutory cap or grace period for residential late fees in Wyoming; the lease controls. The most common lease figure nationally is 5% of monthly rent, and courts in no-cap states generally accept fees in that range while rejecting ones that look like penalties.

How much notice does a landlord have to give a tenant to move out in Wyoming?

No Wyoming statute sets a notice period for ending a month-to-month tenancy; the rental agreement and common law (reasonable notice, customarily one rental period) govern

How long is a pay-or-quit notice in Wyoming?

3 days. The tenant can stop the eviction by paying the full amount within that time.