Compliance Services enforces the City's zoning code (Title 33) including environmental zone violations and enforcing regulations and conditions of approvals tied to land use review cases. Staff also enforce a section in Title 16 of the Portland City Code regarding automobile businesses parking and/or storing vehicles that are being repaired or displayed for sale in the right-of-way.

To ensure compliance with the zoning code, staff also conduct inspections and issue approvals on Home Occupation Permits and on Zoning Permits for developments such as landscaping, fences, sheds and driveways.