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Free Oregon Month-to-Month Rental Agreement

Oregon is one of only two states in this set — with Washington — where a landlord has no general no-cause route, and the only one that withdraws it after a point. Thirty days works for a landlord during the first year of occupancy. After that the landlord needs a cause or one of four qualifying reasons, ninety days’ notice, and in most cases a payment of one month’s rent — unless the two-unit owner-occupied exception in subsection (8) applies.

First Year 30 Days, Then Cause ORS 90.427 Oregon Free PDF
Updated Q3 2026 By Tenant Screening Background Check Editorial Team Reviewed for Oregon ~27 min read

ORS 90.427 is the longest and most demanding periodic-tenancy section in this wave, and its structure is unusual. A tenant may end a month-to-month tenancy at any time on thirty days’ written notice. A landlord may do the same — but only during the first year of occupancy. Once that year has passed, ORS 90.427(3)(c) allows a landlord to terminate only for a tenant cause under a named list of sections, or for one of four qualifying landlord reasons, and the qualifying-reason route carries ninety days’ notice, a stated reason with supporting facts, and a payment to the tenant.

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The first-year cliff

ORS 90.427(3)(b): at any time during the first year of occupancy, the landlord may terminate the tenancy by giving the tenant written notice not less than thirty days before the date designated in the notice. ORS 90.427(3)(c): except as provided in subsection (8), at any time after the first year of occupancy, the landlord may terminate only for a tenant cause with notice as specified in a list of nine sections, or for a qualifying landlord reason with notice as described in subsections (5) and (6). This is not a longer notice period after the first year. It is the removal of the no-cause route altogether.

Build your Oregon month-to-month rental agreement
PREMISES
PARTIES
TENANCY & RENT
DEPOSIT & PREPAID RENT
UTILITIES & SERVICES
USE & HOUSE RULES
ENDING THE TENANCY
ORS 90.427 – THE FIRST-YEAR LINE
ATTACHMENTS
EXECUTION
ACKNOWLEDGEMENTS

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Free Oregon Month-to-Month Rental Agreement
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Oregon month-to-month tenancy at a glance

Tenant, at any time

30 days’ written notice

Landlord, first year of occupancy

30 days, no cause needed

Landlord, after the first year

Cause, or a qualifying reason on 90 days — unless (8) applies

Getting it wrong

3 months’ rent plus actual damages

Oregon note: “First year of occupancy” is defined at ORS 90.427(1)(a) and includes all periods in which any of the tenants has resided in the dwelling unit for one year or less — so adding a new tenant does not restart it, but the clock is measured across the whole group.

The landlord pays the tenant one month’s rent

ORS 90.427(6)(a) requires a landlord terminating under subsection (5) to do three things: specify in the termination notice the reason for the termination and supporting facts; state that the rental agreement will terminate on a designated date not less than ninety days after delivery of the notice; and, at the time the landlord delivers the notice, pay the tenant an amount equal to one month’s periodic rent. The payment is contemporaneous with the notice, not on move-out. There is one exception, at (6)(b): the payment requirement does not apply to a landlord who has an ownership interest in four or fewer residential dwelling units subject to the chapter. That is an exemption for small landlords, and it is counted in units rather than in properties or tenancies.

How to end an Oregon month-to-month tenancy

The five-step sequence

Work out whether you are inside the first year of occupancy

ORS 90.427(1)(a) defines it as all periods in which any of the tenants has resided in the dwelling unit for one year or less. Everything a landlord may do turns on this.

A tenant may give thirty days at any time

ORS 90.427(3)(a) allows a tenant to terminate at any point during the tenancy on written notice not less than thirty days before the date designated in the notice.

Inside the first year, a landlord may also give thirty days

Under (3)(b), with no cause and no reason required — subsection (12)(a) confirms such a notice need not state a reason.

After the first year, identify a cause or a qualifying reason

(3)(c) leaves only two routes: a tenant cause under the listed sections, or one of the four qualifying landlord reasons in subsection (5).

On the qualifying-reason route, give 90 days, state the facts and pay

(6)(a) requires the reason and supporting facts in the notice, a termination date not less than ninety days after delivery, and payment of one month’s periodic rent at the time of delivery unless the four-or-fewer-units exemption applies.

About the Oregon month-to-month rental agreement

An Oregon month-to-month agreement has to be read against a statute that changes what the landlord may do on the tenancy’s first anniversary. That single fact shapes everything else: the occupancy start date is the most consequential piece of information in the document, because it decides whether a landlord has a thirty-day no-cause route or must find a cause, give ninety days and write a cheque. ORS 90.427 also converts a fixed term that ends after the first year into a month-to-month tenancy by default, so a good many Oregon periodic tenancies began life as year leases. The generator above records the occupancy start date and where the tenancy stands against the first-year line.

What an Oregon month-to-month agreement should record

  • The date the tenant’s occupancy began — the fact the whole of ORS 90.427 turns on
  • The full names of the landlord and of every adult tenant, since the first-year definition reaches any of the tenants
  • The address of the premises, including the unit number
  • The rent, the interval it covers, and the day it falls due
  • That a tenant may terminate at any time on thirty days’ written notice
  • That a landlord’s no-cause route ends with the first year of occupancy
  • Whether the dwelling is in the same building or on the same property as the landlord’s primary residence with not more than two units, which engages subsection (8)
  • The address each party sends notice to
  • The security deposit, where it is held, and what the tenant is told about its return
  • Which utilities and services each party pays for, and the pet, smoking and guest rules

Common Oregon mistakes

  • Treating thirty days as the landlord’s period generally. It is the first-year period only. After the first year ORS 90.427(3)(c) removes the no-cause route rather than lengthening it — except where subsection (8) applies to a landlord living on a property of not more than two units.
  • Serving a qualifying-reason notice without the payment. ORS 90.427(6)(a)(C) requires payment of one month’s periodic rent at the time the landlord delivers the notice, unless the landlord has an interest in four or fewer residential dwelling units.
  • Giving ninety days but not the reason and supporting facts. (6)(a)(A) requires both to be specified in the notice. A bare ninety-day notice does not satisfy the subsection.
  • Assuming a new tenant restarts the first year. (1)(a) defines the first year of occupancy as all periods in which any of the tenants has resided in the unit for one year or less.
  • Underestimating the penalty. Under (9)(a) a landlord who terminates in violation of the relevant subsections is liable for three months’ rent in addition to actual damages, and the tenant has a defence to an action for possession.

How much notice ends a month-to-month tenancy in Oregon?

It depends entirely on who is giving it and how long the tenant has lived there.

  • A tenant, at any time: written notice not less than thirty days before the date designated in the notice — ORS 90.427(3)(a).
  • A landlord, during the first year of occupancy: written notice not less than thirty days before the designated date — ORS 90.427(3)(b). No cause is needed.
  • A landlord, after the first year of occupancy: ORS 90.427(3)(c) permits termination only for a tenant cause, or for a qualifying landlord reason on ninety days’ notice with a payment.

A week-to-week tenancy sits outside this structure: under ORS 90.427(2), either party may terminate it on written notice given at least ten days before the termination date specified in the notice.

“First year of occupancy” is a defined term

ORS 90.427(1)(a) defines it to include all periods in which any of the tenants has resided in the dwelling unit for one year or less. Two consequences follow. Adding a new roommate does not restart the clock, because the definition reaches any of the tenants. And the line is drawn at occupancy of the dwelling unit, not at the date of the current agreement — a tenant whose fixed-term lease rolled into a month-to-month tenancy carries their occupancy with them.

What changes at the one-year mark

This is the provision that makes Oregon different from every other state on this site. In Arizona, Ohio, New Mexico and Virginia a landlord ending a periodic tenancy gives a period of notice and needs no reason. In Georgia the landlord’s period is longer than the tenant’s, but the route exists. In Oregon, after the first year of occupancy, the no-cause route is simply gone.

ORS 90.427(3)(c) leaves two doors. The first is a tenant cause, with notice as specified in a list of nine other sections — ORS 86.782(6)(c) on a sale of property, 90.380(5) on renting a dwelling in violation of building or housing codes, 90.392 on termination for cause, 90.394 on failure to pay rent, 90.396 on acts or omissions justifying termination twenty-four hours after notice, 90.398 on drug or alcohol violations, 90.405 on a tenant keeping an unpermitted pet, 90.440 on a group recovery home, and 90.445 on a tenant who commits a criminal act of physical violence. Each has its own notice requirements, and ORS 90.427 does not restate them — nor have we read them for this page, so nothing here should be taken as a statement of what any of those sections requires.

The second door is a qualifying landlord reason under subsections (5) and (6), and that is where most of the section’s weight sits.

The four qualifying landlord reasons

ORS 90.427(5) permits a landlord to terminate a month-to-month tenancy at any time on written notice of not less than ninety days if one of four things is true:

  • Demolition or conversion. The landlord intends to demolish the dwelling unit, or to convert it to a