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Building and Development Application Services

Use our Building and Development Application Services online portal to apply for electrical, plumbing, mechanical, prescriptive solar and NFPA 13 Sprinkler Affidavit permits.

Lobby closed for In-person Services on Memorial Day

Building Services, Development Review/Current Planning and Long Range Planning will be closed May 25, 2026.

Warning: Scam Targeting Washington County Permit Applicants

Washington County has had reports of scammers sending fraudulent emails asking customers to wire money for project approval. Washington County will never request wire transfers for permits or payments.

If you receive an unexpected payment request, do not respond. Call 503-846-3470 to verify.

More info here: Protect Yourself from Fake Permit Payment Emails | Washington County, OR

Welcome to Building and Development Application Services


Open the BDAS portal


Building and Development Application Services logo

Our Building and Development Application Services (BDAS) online portal will allow you to manage your projects from start to finish. BDAS works with ProjectDox to allow you to submit some building applications, submit project-related plans and documents and to pay fees. You can submit applications via BDAS for the following:

  • Electrical Permit
  • Plumbing Permit
  • Mechanical Permit
  • Prescriptive Solar Permit
  • NFPA 13 Sprinkler Affidavit Permit

These permits do not require a plan review. For all other permits, please email a completed application to : [email protected]


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