Home business signage in Allegheny County is strictly limited. Pittsburgh and most municipalities prohibit external business signs except one non-illuminated name plate, typically under 2 square feet. Illuminated or freestanding signs are banned in residential zones.
Pittsburgh Zoning Code Section 919 and similar suburban sign codes allow one identification sign per home occupation, non-illuminated, flat against the building, maximum 2 square feet. Real estate and contractor signs have separate temporary-sign rules. Any logo, lighting, or window-display signage converts the home occupation into a prohibited commercial use. Historic districts and conservation overlay zones impose additional review. The signage ban reflects the broader principle that home occupations must not alter residential character.
Sign violations: $100-$500 per offense, per day until removed. Repeat violations can trigger revocation of zoning certificate.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
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See how Allegheny County's signage rules rules stack up against other locations.
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