Fences on corner lots must comply with the County's Vision Clearance Triangle. Fences over 42 inches must be set back to the sidewalk edge (or 10 feet from the street flowline where no sidewalk exists) along street frontages and keep a 25-by-25-foot sight triangle at every driveway.
Section 2.J of the Zoning Resolution requires fences over 42 inches to observe a side-to-street setback to the sidewalk edge, or at least 10 feet from the flowline of adjacent streets if no sidewalk exists. The same front-setback rule applies where the zone district allows front-yard fences. Corner lots must keep fences out of the 55-foot Vision Clearance Triangle, and all fences must maintain a 25-by-25-foot sight triangle measured from the driveway edge and the street flowline for every driveway, on-site and off-site.
A fence blocking a required vision or sight triangle is a zoning violation; the county can require relocation or removal to restore safe visibility.
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