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The City of Portland, Oregon

Development Services

From Concept to Construction

Phone: 503-823-7300


1900 SW 4th Ave, Portland, OR 97201

More Contact Info

Zoning Information

Understand zoning, what is allowed on property and how zoning relates to permit issuance.

Find My Zoning

See how to find your zoning and how to understand and read a zoning map.

Additional Use and Development Regulations

Lists other use and development regulations that may apply.

Nonconforming Upgrades

Applications and handouts related to Nonconforming Upgrades and Nonconforming Situations