Quiet hours in Multnomah County, OR — also called the noise ordinance, nighttime noise rules, or residential quiet time — define the hours during which excessive noise is prohibited.
Multnomah County does not have a separate county-wide noise ordinance for unincorporated areas beyond state law (ORS 467/DEQ OAR 340-035). Noise complaints in unincorporated areas are handled by the Multnomah County Sheriff's Office. Each incorporated city (Portland, Gresham, Troutdale) has its own noise code.
Unincorporated Multnomah County relies on Oregon state noise control law (ORS 467.010–467.130) and DEQ OAR 340-035 for noise standards. There is no separate Multnomah County noise ordinance that applies county-wide to unincorporated lands. Multnomah County Animal Services (Title 13) handles animal-related noise (barking dogs) throughout the county including unincorporated areas. The Multnomah County Sheriff's Office (non-emergency: 503-988-0560) responds to noise disturbance calls in unincorporated areas. Wood-burning restrictions on air quality action days (October 1–March 1) also apply county-wide.
Noise in unincorporated areas: Multnomah County Sheriff, 503-988-0560 (non-emergency). State DEQ OAR 340-035 violations reported to Oregon DEQ.
Multnomah County, OR
Commercial vehicles on county-maintained roads in unincorporated Multnomah County are subject to Oregon state commercial vehicle regulations (ORS Title 59, O...
Multnomah County, OR
Driveways in unincorporated Multnomah County that access county roads require an approach permit from Multnomah County Land Use and Transportation. Vehicles ...
Multnomah County, OR
Multnomah County does not have a specific RV parking ordinance for unincorporated areas beyond Oregon state law. Oregon state law (ORS 197.493) addresses RV ...
Multnomah County, OR
Parking on county-maintained roads in unincorporated Multnomah County is governed by Oregon state traffic laws and county road rules. Abandoned vehicles may ...
Multnomah County, OR
Multnomah County enforces abandoned vehicle rules under MCC 14.700 on county roads and unincorporated areas. Portland PCC 16.30 applies within city limits. O...
Multnomah County, OR
Multnomah County follows Oregon's boundary fence statute (ORS 97.130). No county-specific fence cost-sharing ordinance exists. Property surveys recommended b...
See how Multnomah County's quiet hours rules stack up against other locations.
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