Bristol, PA Building Setbacks & Zoning: Structure Height Limits (2026)

Building height regulation in Bucks County occurs through municipal zoning codes under the PA Municipalities Planning Code (53 P.S. §10603). Typical Bucks residential zoning height limits: R-1 single-family: 35 feet or 2.5 stories (whichever is less); R-2/R-3 medium density: 35-40 feet; Village/town center: often 35 feet, sometimes 40-50 for mixed use; Commercial/highway commercial: 40-50 feet typical; Industrial: 50-75 feet with floor area ratio limits; Agricultural (AG): 35 ft for dwellings, 45+ for agricultural buildings (barns, silos exempt in many municipalities). Height is typically measured from average finished grade (not low side) to the midpoint of a sloped roof (not peak) or to the highest point of a flat roof. Exemptions commonly include: chimneys up to 4 ft above roof; antennas up to 15 ft (subject to FCC OTARD rules for dish antennas <1 meter); steeples and cupolas without occupied space; mechanical equipment screened and within specified limits. Bucks historic districts (Doylestown, Newtown, New Hope, Bristol, Yardley, Morrisville) often have tighter limits (typically 35 ft and period-appropriate massing) enforced through HARB. Solar panel structures may trigger height calculations in strict municipalities though many Bucks townships have adopted solar-friendly amendments. Wireless telecommunications facilities are subject to PA Act 172 of 2021 (Wireless Broadband Collocation Act) and federal Section 6409 shot-clock provisions. Height variances heard by the Zoning Hearing Board.