ADU conversions > Apply > Pay your fees
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Source: ADU conversions > Apply > Pay your fees ↗ Last modified: Sun, 19 Apr 2026 19:58:00 GMT
Converting an existing part of your home to an accessory dwelling unit (ADU) increases housing and boosts your home’s value. These pages explain the permits you'll need for an ADU conversion and how you can apply for them. Use the navigation menu to learn more about each step.
Get your custom project guide ↗
Pay your fees
Once the project meets submittal requirements, you’ll receive an email with instructions to pay your application fees.
Visit the current Fee Schedule ↗ for permit costs.
Pay Options
How
Online
- Log in to DevHub.
- Select View or Pay Fees.
- Enter your IVR ↗ or Permit/Application Number to search.
- Verify your choice of permit and click Select.
- Select the bills you'll pay and click Pay Selected Bills.
Phone
Call the "Make Payments by Phone" number: 503-823-5161
In-person
Visit the Cashier at the Development Services Center ↗
Need help? Here's our step-by-step guide on how to pay fees on DevHub ↗.
To check if you can get a fee reduction:
We can review low-income applicants for fee reductions on a case-by-case basis. See our fee reductions page ↗ for more information.