Clayton, CA · Contra Costa County
Accessory Dwelling Unit Permit
Property owners apply for a Clayton permit to build a second dwelling unit and provide project details, plans, and required supporting materials.
What this form is
This application is for a proposed second dwelling unit on a property in Clayton. It asks for applicant, property owner, and designer contact information, project details, and plans; the required submittal packet may vary based on the review process. The form also lists supporting materials and explains that a signed and notarized declaration or agreement of restrictions must be recorded before the permit is finalized.
Who needs it
Property owners seeking approval for a second dwelling unit in Clayton should complete this application and provide the required project materials.
How to submit it
Submit the application packet to the City of Clayton Planning Staff at the address shown on the form. The form says to clarify questions with Planning Staff and make checks payable to the City of Clayton.
About notarization
This application is signed and dated without a notary; a separate declaration or agreement of restrictions must be signed and notarized, then recorded with the County Recorder.
How to submit this form
- 1
Download The Application
Download the Accessory Dwelling Unit Permit PDF.
- 2
Complete The Application
Provide applicant, property owner, and project designer contact information and complete the project details.
- 3
Gather Required Materials
Prepare the listed plans and supporting documents; confirm copy requirements with Planning Staff.
- 4
Submit To The City
Submit the application packet to the City of Clayton Planning Staff at the address shown on the form.
Frequently asked questions
- Who uses the Accessory Dwelling Unit Permit application?
- Property owners seeking approval for a second dwelling unit in Clayton use this application to provide contact information, project details, plans, and supporting materials.
- Do I need a notary for the Accessory Dwelling Unit Permit?
- No. The application itself is signed and dated without a notary. A separate declaration or agreement of restrictions must be signed and notarized, then recorded with the County Recorder.
- How do I submit the Accessory Dwelling Unit Permit application?
- Submit the application packet to the City of Clayton Planning Staff at the address shown on the form. The number of copies required may depend on the review process.
- What materials are required with the application?
- The listed materials include plans, a title report or preliminary title report, and other applicable items. The Community Development Director determines the required number of copies, and additional items may be required.