Washington County enforces weed abatement under ORS 105.550-105.570 and county nuisance provisions. Vacant lots in unincorporated Aloha, Metzger, Cedar Mill, and Bull Mountain receive targeted enforcement, especially during late-spring growth peaks.
Washington County Code authorizes abatement of overgrown vegetation, noxious weeds, and fire-fuel grasses under ORS 105.550-105.570 and the county nuisance ordinance. The Sheriff's Office and Code Enforcement (part of Land Use & Transportation) handle complaints on unincorporated properties. Typical grass-height trigger is 10-12 inches on urbanized residential lots; vacant lots receive notice each late spring as growth accelerates in the Willamette Valley's wet climate. Oregon Department of Agriculture maintains the state noxious weed list (English ivy, Himalayan blackberry, tansy ragwort, Scotch broom, giant hogweed) and Washington County SWCD runs weed-pull programs. Cities adopt overlapping rules: Beaverton BC 5.15, Hillsboro HMC 5.08, Tigard TMC 6.02, Sherwood Municipal Code 8.16. Notice periods generally run 10-14 days; non-compliance results in county/city contractor abatement with costs placed as a lien on the property tax roll. Along the Tualatin River and its tributaries, riparian vegetation is protected by CWS (Clean Water Services) Design & Construction Standards and cannot be cleared without coordination.
Notice to abate. Contractor cost plus admin fee ($200-$1,500 typical) placed as lien. Repeat violations: $100-$500/day civil penalty. Noxious weed spread: ODA enforcement action.
Hillsboro, OR
Hillsboro Municipal Code Subchapter 6.24 prohibits unauthorized, disturbing, or unnecessary noise. Noise levels are especially enforced between 9 PM and 6 AM...
Hillsboro, OR
Hillsboro addresses barking dogs through its noise ordinance and animal control. Persistent barking is a nuisance violation. Washington County Animal Service...
Hillsboro, OR
Hillsboro permits construction, industrial, and agricultural noise between 6 AM and 9 PM per Subchapter 6.24. Construction outside these hours is prohibited ...
Hillsboro, OR
Vehicles in Hillsboro driveways must not block sidewalks. Driveway modifications require permits from the city's permitting center.
Hillsboro, OR
Hillsboro restricts RV and boat parking on streets and in residential front yards. RVs may not be used as dwellings on residential property.
Hillsboro, OR
Hillsboro regulates on-street parking. Vehicles must be registered and operable. Vehicles may not remain in the same location for more than 72 hours without ...
Side-by-side rule comparisons with other cities in Washington County.
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