Apply for a Property Boundary Change

Steps to apply for a Property Boundary Change, for subdivisions, lot consolidations and boundary adjustments

Begin online


Property boundary change permits are required for property modifications including the following:

  • Subdivisions – Splitting one property into two or more new properties
  • Lot Consolidations – Combining two or more adjacent properties into one property
  • Boundary Adjustments – Relocating the property line(s) between two or more adjacent properties



  1. Review the information about Property Boundary Change Permits
  2. Be prepared to provide the address of the property in question and your contact information.
  3. Assemble name and contact information of the business, and an additional point of contact if necessary.
  4. Know the type of property modification (Subdivision, Lot Consolidation or Boundary Adjustment).
  5. Gather proof of payment of the previous year's real estate taxes for all properties involved.
  6. Prepare a detailed description of the work to be done.
  7. Obtain plat drawings prepared and sealed by a Licensed Professional Surveyor in the State of Missouri that follow Chapter 445 of the Missouri Revised Statutes (for the application process, hard copies or PDF copies are accepted). Use our sample engineering drawings and checklist for review of surveys to confirm that drawings are satisfactory and all tasks have been completed.



  1. Fill out the online Property Boundary Change Permit Application.
  2. On the next screen after you submit your information, you will be able to upload your plat drawings and tax receipts. If you only have hard copies of these items, you may mail them or drop them off at the address above.

    See the screenshots below for a preview of the document upload process.

Document Upload Process

Optional: Attach Supporting Documents

Upload Supporting Files

Begin online


None at this time.


What to Expect

You will receive a confirmation email with a confirmation number, which you can use to check the status of your application.

Approval Process

An approval recommendation will be presented at the weekly Board meeting for final approval. Upon review of the application, the BPS Design Division will contact you with comments and let you know if they recommend approving or denying your application.

After Approval

After approval, you must submit to the BPS Office of the Secretary:

  • a hard copy mylar formatted plat drawing (18" x 24" or 22" x 34" size) notarized and signed by the owner(s) and lien holder(s)
  • the signed/notarized waiver letter-accepting all terms and conditions of the permit (provided by BPS)
Office of the Secretary
Board of Public Service
1200 Market St., Room 300
St. Louis, Missouri 63103 

The mylar original(s) will be signed by the Board of Public Service President and the Board of Public Service Secretary to finalize the property changes.

Once the plat is signed by the City, it may be recorded at the Recorder of Deeds office.


Additional Information

More information about Property Boundary Changes



Property Boundary Changes
Plat Review
(314) 589-6723
Email & full profile

Was this page helpful?      

Comments are helpful!
500 character limit

Feedback is anonymous.