The City of Portland recently adopted new regulations that define what is allowed as an Accessory Short-Term Rental (ASTR) in the Portland Zoning Code Section 33.207. There are two types of ASTRs, each with a specific permitting processes.
Permit and enforcement standards for zoning permits.
A permit from either Portland Parks & Recreation Urban Forestry or the Bureau of Development Services (BDS) may be required to do tree work, including planting, pruning, or removing trees within the City of Portland.
Permit and enforcement standards for home occupation permits.
The Bureau of Development Services (BDS) performs electrical and housing inspections in conjunction with Multnomah County's Adult Care Home Program (ACHP).