Oregon

Event production regulations across 14 categories.

Building code: 2021 editionInternational Fire CodeStatewide code appliesCities can set their own rules

Partially verifiedLast verified: Jan 15, 2025

What you need to know in Oregon

Moderately to heavily regulated with seismic-zone requirements that significantly affect temporary structures. Portland adds local requirements on top of state code.

→Uses Oregon Structural Specialty Code (OSSC) based on IBC 2021 with seismic amendments
→Seismic zone requirements significantly exceed base IBC for temporary structures
→Home rule state — Portland and Eugene have additional local requirements
→State Fire Marshal requires tent permits with seismic bracing documentation for larger structures
→Oregon Building Codes Division handles statewide licensing and code adoption

Always verify requirements with the local Authority Having Jurisdiction (AHJ). Siteline is a reference tool, not legal advice. Codes change periodically.