Permits & Development

As your partners in development, we are here to help. From single family to sub-divisions our goal is to help get your permit in the most efficient way while protecting the Tualatin River Watershed.

Development Services' responsibilities include reviewing plans and issuing permits for erosion control, construction of or connection to the public sanitary and surface water management systems, and ensuring protection of Water Quality Sensitive Areas. Once projects are permitted, we also conduct site inspections. Whether you're looking for step-by-step guidance or a single application you'll find it here.

Getting started? Request a Pre-Design Meeting (PDF, 132KB)

Design & Construction Standards Update

Learn more about the update process, timeline and key topics.

Contact Us

Call 503.681.5100
Stop-by our Permit Counter

Step-By-Step Process

How to get permits and necessary reviews based on project type


Access forms, applications, guidance documents and maps

Review Status

Check the status of your permit or review


Once your project is started, contact us for an inspection

The Tualatin River is the only river in Washington County.

The Tualatin River

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