Contra Costa County
Antioch, CA forms
We don’t have notarizable Antioch forms live yet, but here are Antioch reference documents you can download directly — no notary required.
Other Antioch forms (no notary required)
Antioch documents you can download and submit yourself. No notary signature or stamp is needed for these.
No notary required
ADU Application
Antioch property owners use this application to provide project details when applying for a building permit for an accessory dwelling unit.
application
No notary required
Licensed Contractor / Owner-Builder Declaration
Property owners complete this declaration for an Antioch building permit when acting as owner-builders and acknowledging project responsibilities.
form