No countywide Allegheny fence ordinance. Municipal zoning governs heights. Typical limits: 6 ft rear/side yards, 3-4 ft front yard. Pittsburgh allows 6 ft rear/side, 4 ft front (Code §925.06).
Pennsylvania has no statewide fence height law. Allegheny County does not regulate residential fences. Each of the 130 municipalities sets limits through its zoning code. Pittsburgh Zoning §925.06 allows 6 ft in rear/side yards, 4 ft in front (measured from average grade). Mt. Lebanon, Ross Township, Penn Hills similar. Corner lots typically have a 25-30 ft sight-triangle restricted to 3 ft or less. Commercial/industrial zones allow taller (8-10 ft).
Municipal zoning violation $100-$500 per day. Order to remove/lower fence common remedy.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
Allegheny County, PA
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See how Allegheny County's height limits rules stack up against other locations.
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