Diamond Bar, CA · Los Angeles County

No notary required

Development Project Application Checklist

This checklist helps Diamond Bar development project applicants assemble the information and plans required for a complete city application, except for accessory dwelling units.

What this form is

Use this checklist when submitting a development project application in Diamond Bar; it applies to projects subject to ministerial review but excludes accessory dwelling units. It lists application forms, supporting documents, fees, maps, plans, and potential additional studies. Requirements vary by project, and the City may request more information during review.

Who needs it

Residents, businesses, property owners, or their agents submitting a development project application in Diamond Bar need this checklist, except for accessory dwelling unit projects.

How to submit it

Submit the checklist with the application materials to the Planning Division, Community Development Department, at 21810 Copley Drive, Diamond Bar, CA 91765.

About notarization

This checklist has no notary block; no notarized attachment or sworn step is listed, and it does not specify that the signer sign or date it.

How to submit this form

  1. 1

    Download The Checklist

    Download the Development Project Application Checklist PDF.

  2. 2

    Review The Requirements

    Check the application filing requirements and the plan preparation guidelines that apply to your project.

  3. 3

    Gather Application Materials

    Assemble the required forms, plans, maps, photographs, and other supporting materials; project-specific additional information may be required.

  4. 4

    Submit To The Planning Division

    Submit the checklist and application materials to the Planning Division at the address listed on the form.

Frequently asked questions

Do I need a notary for the Development Project Application Checklist?
No. The checklist has no notary block and lists no notarized attachment or sworn step. It also does not specify that the signer sign or date it.
Who uses this development project checklist?
Applicants submitting development project applications in Diamond Bar use it to organize the materials needed for a complete application. It excludes accessory dwelling unit projects.
What materials does the checklist cover?
It lists application forms, project information, plans, maps, photographs, and other supporting materials. Additional studies or information may be required depending on the project.
How do I submit the Development Project Application Checklist?
Submit it with the application materials to the Planning Division, Community Development Department, at 21810 Copley Drive, Diamond Bar, CA 91765.

Need something notarized?

This Development Project Application Checklist doesn’t need a notary — but if you have another Diamond Bar form that does, a commissioned online notary can help.