Montgomery County limits fence height to 4 feet in front yards and 6.5 feet in side and rear yards under Zoning Ordinance Ch 59, Section 6.5.2. Corner lots have additional sight-triangle restrictions. Fences above 6.5 feet require a variance from the Board of Appeals.
Montgomery County Zoning Ordinance Ch 59, Section 6.5.2 sets residential fence height limits. Front yard fences cannot exceed 4 feet measured from grade. Side and rear yard fences are limited to 6.5 feet. On corner lots, the sight-triangle area within 25 feet of the street intersection must maintain fences at or below 3 feet to preserve driver visibility. Fences on retaining walls measure height from the higher grade side. Agricultural zones (AR) permit taller fencing for livestock containment. The Board of Appeals may grant height variances for demonstrated need such as security or noise attenuation. DPS does not require a building permit for fences under 6.5 feet unless they are retaining walls or within setback areas. Decorative post caps and finials may extend up to 6 inches above the height limit. Estate residential (RE) zones may have additional restrictions through special exception conditions.
Zoning violation notice: 30 days to correct. Non-compliant fence: removal or modification order. Civil citation $100-$500 per day for continued violation. Board of Appeals hearing for contested cases.
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