5 county-level rules, plus city-specific rules for 3 cities in Multnomah County, Oregon.
Verified from official government sources
Recreational fire pits in unincorporated Multnomah County are subject to Oregon Fire Code and Multnomah Fire Defense Board burn ban authority. Fires must be attended, comply with distance requirements, and are prohibited during declared burn bans. Burn line: 503-618-3083.
Multnomah County has authority to ban fireworks in unincorporated areas and has done so during periods of high fire risk. Oregon law bans aerial fireworks, firecrackers, and exploding devices statewide (Class B misdemeanor, up to $2,500 fine). County bans extend to all consumer fireworks during declared periods.
Multnomah County enforces defensible space through Oregon SB 762 (2021) wildfire hazard maps and county Community Wildfire Protection Plan. Properties in the Wildland-Urban Interface on the west side of the county (Forest Park, Skyline, Corbett) must maintain 30 to 100 feet of defensible space. Oregon Fire Code adopted statewide applies via OAR 837-040, enforced by the Multnomah County Fire Marshal and local fire districts.
Backyard burning of yard debris is never permitted inside the Multnomah County urban burn ban boundary. Rural unincorporated areas may have some open burning allowed under DEQ permits. Multnomah Fire Defense Board has authority to issue burn bans county-wide. East Multnomah County Burn Line: 503-618-3083.
Multnomah County wildfire risk is mapped under Oregon's 2022-2024 Wildfire Hazard Map (SB 762, SB 80). West Hills, Sauvie Island, and East County forests are High Hazard zones. Oregon Fire Code 2022 Chapter 49 requires defensible space (Zone 0: 0-5 ft noncombustible, Zone 1: 5-30 ft lean/clean, Zone 2: 30-100 ft reduced fuel) in Wildland-Urban Interface (WUI) areas.
3 cities in Multnomah County have their own fire regulations rules. Each link goes to that city's dedicated page with code citations.
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