Rent increase rules in Oregon

Oregon caps annual rent increases at 9.5% for 2026 (Lesser of 10% or 7% + CPI (SB 611, 2023; ORS 90.323/90.324); manufactured-home parks/marinas over 30 spaces capped separately at lesser of 6% or CPI (HB 3054, 2025)). Exemptions: Buildings first certified for occupancy less than 15 years ago; certain government-subsidized/regulated affordable housing. (ORS 90.323, 90.324, 90.600 (SB 611 2023; HB 3054 2025))

90 days' written notice for any increase after the first year of tenancy; no increase at all during the first year; 7 days for week-to-week tenancies (ORS 90.323). (ORS 90.323, 90.324, 90.600 (SB 611 2023; HB 3054 2025))

No — as everywhere in the US, a fixed-term lease locks the rent unless the lease itself contains an escalation clause. Increases take effect at renewal or on periodic (month-to-month) tenancies with the notice above.

2026 maximum published by Oregon DAS: 9.5% standard (7% + 2.5% CPI, under the 10% hard cap); 6% for large manufactured-home parks/marinas. 2025 max was 10.0%. Local rent control preempted (ORS 91.225); Portland/Eugene add relocation-assistance rules for large increases.