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Contra Costa County ADU Permit Checklist

By

Zia

|Last Updated: 26 Jul 2022

To successfully build your ADU, complying with the city's mandated requirements is a must.

Here's a 2020 guide for Californian homeowners who are planning to build their ADUs. Contra Costa County has prepared an ADU submittal checklist so homeowners may have an overview of their potential construction project. Make sure to communicate with your contractor and never skip any legal requirements.

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