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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

Technical Resources

Design Guide for Public Street Improvements

Download (PDF Document, 2,708kb)

Portland Pedestrian Design Guide

Download (PDF Document, 1,271kb)

Stormwater Management Manual

Sewer and Drainage Facilities Design Manual

Download (PDF Document, 17,623kb)

Design and Construction of Water Systems

Download (PDF Document, 1,314kb)

Standards for Design and Construction

Presumptive Approach Calculator

Important: Refer to the Presumptive Approach Calculator User's Manual for Excel configuration requirements. These settings are necessary for the calculator to function properly.

Open the Presumptive Approach Calculator

City of Portland Benchmarks

Erosion and Sediment Control Manual

Download (PDF Document, 5,430kb)

2010 Standard Construction Specifications

Transportation Code Guides