Fence Regulations in Boone County, MO (2026)

Boone County Zoning Regulations § 10 [Yard/Vision regulations item (10)] (corner lot vision clearance); Boone County Building Code, IRC R105.2(2) (fences not over 12 feet exempt from permit)

(10) No sign, fence, wall, shrub or other obstruction to vision exceeding two feet in height above the established street grade shall be erected, planted or maintained within the area of a corner lot that is included between the lines of the intersecting streets and a straight line connecting them at points 20 feet distant from the intersection of the street right-of-way lines. [And from the Bo...

Boone County, MO Building Code Addendum, 2015 IBC § 1807.2.4 (Retaining Walls Greater Than 4 Feet)

Retaining Wall - Greater than four (4) feet in height. Detailed plans and calculations are required to be submitted to Resource Management Department. However, only the items mentioned above must be submitted prior to the issuance of a building permit. The following additional items must be submitted prior to the beginning of wall construction: I. A typical section showing wall ...