Subdivision Plats and Improvement Plans

Please see the subpages at left for information on, as well as how to submit, various plats and plans.

Reference Information

Chapter 410 County Codes/UDO
Design Criteria for the Preparation of Improvement Plans (PDF)


For subdivision improvement plan questions, contact the Development Review Division at 636-949-1814 or Email Development.

For plat questions, contact the Planning & Zoning Division at 636-949-7335 or Email Planning & Zoning Division.