TL;DR (generated, confidence: high)

Moving into a commercial space, making alterations, or changing its use requires a building permit and possibly trade permits; a custom project guide is available to guide applicants through each step.

Key points:

Building permit required for moving into a commercial space, making alterations, or changing how a space is used (Changing a commercial space > Apply > Submit your application ↗)
Trade permits may also be required depending on the project (Changing a commercial space > Apply > Submit your application ↗)
Navigation menu available to find information about each step of the process (Changing a commercial space > Apply > Submit your application ↗)
Custom project guide available to provide personalized guidance (Changing a commercial space > Apply > Submit your application ↗)

Entities: permit: building permit · trade permits | resource: custom project guide

ADU conversions > Apply > Submit your application

← ADU conversions > Apply

Breadcrumb: Home > Permitting & Development > Residential Permits and Inspections > ADU conversions > Apply > Submit your application

Source: ADU conversions > Apply > Submit your application ↗ Last modified: Sun, 19 Apr 2026 19:58:02 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.

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