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Curbside Hotline: 503-823-7202
1900 SW 4th Ave, Suite 7100, Portland, OR 97201
More Contact Info
1900 SW 4th Ave, Suite 7100
Portland, OR 97201
Project documents and supporting materials for the Environmental Overlay Zone Map Correction Project.
Northwest Hills Mapping Protocol
Ezone Map Correction Handout
Ezone Map Correction Project – Existing Conditions Report
Ezone map guide
What are ezones?
Johnson Creek and Boring Lava Domes Mapping Protocol
East Buttes and Terrace Mapping Protocol
Wetland Mapping Protocol
Stream Mapping Protocol
Vegetation Mapping Protocol
Portland Zoning Code, Chapter 33.430 – Environmental Zones
Portland Zoning Map