Antioch, CA · Contra Costa County

No notary required

Lot Line Adjustment Application

Property owners or applicants use this application to request an adjustment to the boundary between properties without creating new lots.

What this form is

This application requests a lot line adjustment between properties; the document states that the adjustment cannot create new lots. The city asks applicants to discuss the proposal with Planning Staff before filing and submit the completed application, signed Statement of Understanding, deposit, drawings, and checklist materials. The application collects project location, parcel, owner, applicant, and agent information.

Who needs it

Property owners or their applicants seeking to adjust a lot line between properties in Antioch need this application.

How to submit it

After discussing the proposal with Planning Staff, submit the completed application and required materials to the Department of Community Development, P.O. Box 5007, Third & “H” Streets, Antioch, CA 94531-5007.

About notarization

The application signatures do not require a notary; however, the checklist calls for notarized grant deeds or an owner acknowledgment and a notarized acknowledgment on the plat.

How to submit this form

  1. 1

    Download The Application

    Download the Lot Line Adjustment Application and its attached Statement of Understanding and checklist.

  2. 2

    Discuss The Proposal

    Discuss the proposed adjustment with Planning Staff before submitting the formal application.

  3. 3

    Complete The Application

    Provide the requested project, parcel, property owner, applicant, and agent information, and sign the required documents.

  4. 4

    Gather Required Materials

    Prepare the drawings, checklist materials, current preliminary title report, legal descriptions, and other required items.

  5. 5

    Submit To The City

    Submit the completed application and required materials to the Department of Community Development at the address provided on the form.

Frequently asked questions

What does the Lot Line Adjustment Application request?
It requests an adjustment to the lot line between properties. The document states that a lot line adjustment cannot create new lots.
Do I need a notary for the Lot Line Adjustment Application?
No, the application signatures do not require a notary. The checklist does require notarized grant deeds or an owner acknowledgment, plus a notarized acknowledgment on the plat.
How do I submit the Lot Line Adjustment Application?
After discussing the proposal with Planning Staff, submit the completed application and required materials to the Department of Community Development at the address listed in the form.

Need something notarized?

This Lot Line Adjustment Application doesn’t need a notary — but if you have another Antioch form that does, a commissioned online notary can help.