Free Wyoming Lease Extension Addendum Template

Last reviewed September 2026

Written by LawLease Editorial

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Wyoming Lease Extension Addendum

This Lease Extension Addendum is built with Wyoming as the governing state. These are the Wyoming landlord-tenant rules that most often bear on it, with the statute for each.

Wyoming rules at a glance

Wyoming rules for a Lease Extension Addendum
Month-to-month termination	No statutory notice period — the lease controls
The 3-day notice isn’t a termination period	The notice to quit is a pre-suit requirement. It doesn’t by itself shorten any notice the lease requires to end the tenancy.
Rent-increase notice	No statute — set by the lease
Rent increases	During a fixed term, rent changes only if the lease allows it. For a month-to-month arrangement, give at least the notice the lease requires to end the tenancy.

Rent, late fees & rent increases

Wyoming has no statute governing the amount of rent, late fees, grace periods, or rent-increase notice, and no Wyoming city regulates rent. These terms are set entirely by the lease, so they need to be stated clearly.

Late fees — No statutory cap or grace period. A late fee should be written into the lease and bear a reasonable relation to the landlord’s actual costs to hold up as liquidated damages rather than an unenforceable penalty.
Rent increases — During a fixed term, rent changes only if the lease allows it. For a month-to-month arrangement, give at least the notice the lease requires to end the tenancy.
Damages & interest — A renter remains liable for damage beyond what the deposit covers, plus interest at 10% per year on unpaid amounts (§1-21-1211(b)).

Ending a Wyoming tenancy

Wyoming has no statute fixing a notice period to end a month-to-month tenancy, so the notice period in your lease controls. Wyoming also rejects implied renewals: when a lease expires and the renter stays on, even if the landlord accepts rent, the result is only a tenancy at sufferance — not a new month-to-month tenancy — unless a new tenancy is created by an express written contract (§§34-2-128, 34-2-129). A lease clause that expressly provides for month-to-month continuation is how you create one.

Nonpayment — Forcible entry and detainer is available once rent is three days past due (§1-21-1002(a)(i)). Before filing, the landlord must serve a written notice to quit at least three days in advance, by delivering it to the renter or leaving it at their home or business (§1-21-1003).
Lease violations — An eviction action is also available against a renter who breaches the duties in §1-21-1204 or commits a prohibited act under §1-21-1205, again after the 3-day notice to quit (§§1-21-1002(a)(vi), 1-21-1003).
The 3-day notice isn’t a termination period — The notice to quit is a pre-suit requirement. It doesn’t by itself shorten any notice the lease requires to end the tenancy.
After judgment — If the renter doesn’t leave as ordered, the sheriff may remove their possessions (§1-21-1211(a)). Property left behind after termination is presumed abandoned; valuable property requires a written 7-day notice before disposal (§1-21-1210).
Domestic abuse — Under the Wyoming Safe Homes Act, a renter who vacates because of a credible imminent threat of domestic abuse or sexual violence, or after such an incident on the premises, and gives 7 days’ written notice has a defense to rent owed after moving out (§1-21-1303).

Wyoming Lease Extension Addendum FAQs

How much notice is required to end a month-to-month lease in Wyoming?

No statute sets one — the period stated in the lease controls. Note that Wyoming does not create an implied month-to-month tenancy when a renter holds over; without an express written agreement, holding over is only a tenancy at sufferance (§§34-2-128, 34-2-129).

Lease Extension Addendum in other states

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