Boundary Commission

St. Louis County, MO

"The Boundary Commission is responsible for the review of proposals affecting the boundaries of incorporated and unincorporated areas in St. Louis County." Learn More Contact Us
Upcoming Meetings monthly

1st Floor Conference Room
231 S Bemiston
Clayton, MO 63105

Click here for more information
Announcements

Filing of annexation proposals for this proposal cycle ended July 1, 2022.

The Commission will accept Map Plans for the next proposal cycle beginning January 1, 2024 through July 1, 2024.

The Boundary Commission has returned to in-person meetings with the option to include a Zoom component if necessary. If you have any questions, please contact the Commission office via email info@boundarycommission.com.

Interested in serving on the Boundary Commission? There are currently three Joint Appointment vacancies and two St. Louis County appointments needing to be filled. To apply for the St. Louis County seats, visit here to fill out their application. If interested in the Joint Appointment seats, send us an email

View information regarding the consolidation process for municipalities in St. Louis County.

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