TL;DR (generated, confidence: high)

Commercial space permits require inspections and compliance with construction standards during project work. Change of Use/Occupancy permits must be inspected within 180 days and result in a new Certificate of Occupancy upon approval.

Key points:

Change of Use or Occupancy permits require an inspection even if no construction occurs to ensure the building meets requirements for its new use (Changing a commercial space > Get permit and start work > Doing the work ↗)
Permits expire if no inspection takes place within 180 days; extensions are available upon request (Changing a commercial space > Get permit and start work > Doing the work ↗)
Approved inspections result in a new Certificate of Occupancy issued to the permit holder (Changing a commercial space > Get permit and start work > Doing the work ↗)
Construction is allowed 7 a.m. to 6 p.m., Monday through Saturday, with maximum noise level of 85 dBA measured 50 feet away (Changing a commercial space > Get permit and start work > Doing the work ↗)
Sites must maintain cleanliness by regularly clearing debris and litter, preventing trash from spreading, and keeping sidewalks/streets safe (Changing a commercial space > Get permit and start work > Doing the work ↗)
Construction lighting must use shields to minimize glare on neighboring properties and streets (Changing a commercial space > Get permit and start work > Doing the work ↗)
Emergency contact signage with project manager phone number (including night/weekend) must be posted at site entrance (Changing a commercial space > Get permit and start work > Doing the work ↗)

Entities: permit_type: Change of Use permit · Change of Occupancy permit | document: Certificate of Occupancy | noise_limit: 85 dBA | time_period: 180 days | process: Permit Extension or Reactivation

ADU conversions > Get permit and start work > Doing the work

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Source: ADU conversions > Get permit and start work > Doing the work ↗ Last modified: Sun, 19 Apr 2026 19:58:08 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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