How it's counted: Not less than 30 days prior to the date DESIGNATED IN THE NOTICE; the tenancy ends on that date regardless of rent periods, and rent prorates day-to-day (ORS 90.427(6)).
How the deadline actually works in Oregon
UNIQUE ANCHOR: unlike period-end states, Oregon lets the tenant pick any termination date 30 or more days out, mid-month included, with daily rent apportionment — the letter may honor the sender's exact desired date. The tenant may terminate at any time for any reason. Week-to-week: 10 days. The landlord side is sharply restricted: 30 days no-cause only in the first year, then cause required with 60/90-day notices and relocation fees for larger landlords — strongly tenant-favorable asymmetry.
Worked example: rent due on the 1st, written notice delivered June 10. The earliest compliant termination date is July 31, 2026 — notice must clear the required period and land on a rental-period boundary, which is the step most people miss. Our generator computes this date from your actual rent schedule.
Your lease can require more
State law is the floor, not the ceiling. If your lease requires more notice than the statute (60 days is common in larger complexes), the longer period controls. Read the termination or notice clause before sending anything — a proper letter satisfies both requirements at once.
What notice does your landlord owe you?
The other direction matters too: a Oregon landlord ending a month-to-month tenancy generally owes the tenant 30 days first year; then for-cause with 60/90-day notices (ORS § 90.427(3)(b)-(c)). After the first year of occupancy, landlord terminations require statutory cause; qualifying no-fault grounds carry 90-day notices and, for larger landlords, relocation assistance.
Deliver it so it counts
Use a method that creates a record: hand delivery with a signed acknowledgement, or certified mail with return receipt. If your lease names a required delivery method, use that one. Keep a copy of the letter and the receipt — together they are your proof that notice was proper and on time.
Your Oregon notice, dated correctly, in 60 seconds
State rule applied, termination date computed from your rent schedule, deposit rights reserved.
Create My Notice — $9Primary source: official statute text / state guidance.
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WriteMyNotice.com is a self-help document preparation service, not a law firm, and this page is general information, not legal advice. Statutes change and leases can require more notice than state law — always check your lease and, for significant matters, consult a licensed attorney in your state. Statute references verified June 2026.