Regulatory framework
The code baseline for Polk County.
Polk County administers Oregon's current statewide building, electrical, plumbing, mechanical, and manufactured-dwelling setup codes applicable in 2026: 2025 Oregon Structural Specialty Code; 2023 Oregon Residential, Electrical, and Plumbing Specialty Codes; 2025 Oregon Mechanical and Energy Efficiency Specialty Codes, plus county zoning, floodplain, access, septic, fire, and site-plan requirements.