1 county-level rule, plus city-specific rules for 1 city in Boone County, Missouri.
Verified from official government sources
The Boone County Zoning Ordinance (last revised Jan 21, 2025) does not set numeric fence height limits in unincorporated areas. Section 10.B(10) requires fences over 2 feet stay outside corner-lot vision triangles (20 feet from intersecting street rights-of-way). Section 13 governs animal enclosures in residentially developed areas of 3 acres or less.
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...
1 cities in Boone County have their own fence regulations rules. Each link goes to that city's dedicated page with code citations.
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