Skip to Main Content View Text-Only

The City of Portland, Oregon

Portland, Oregon

Welcome to the official web site of the City of Portland, Oregon

General Information: 503-823-4000


1221 SW 4th Avenue, Room 110, Portland, OR 97204

More Contact Info

Subscribe to RSS feed

Most Recent

View Less

Environmental Plans

NW Hills Natural Areas Protection Plan - 1995

Revisions to Clarify the ESEE Analysis

Environmental Code Improvement Project: Adopted Report - 2005

Ordinance 179540, effective September 26, 2005

Willamette River Inventory Update

Willamette River Inventory Update

Natural Resource Inventory Update Reports and Documents

The Natural Resource Inventory Update Project is a citywide project to revise and update existing information on natural resources (trees, streams, wildlife habitat, etc.) in Portland.