How Pittsburgh Handles Outdoor Lighting: A Practical Guide
Pittsburgh maintains 160 local ordinances across all categories, and 3 of those deal specifically with outdoor lighting. Here is a breakdown of what the city actually requires, what is prohibited, and where Pittsburgh falls on the strict-to-permissive spectrum compared to other cities.
Light Trespass & Shielding
Pittsburgh's Lighting Code requires new and majorly renovated outdoor lighting to use permanently installed shielding and, above 3,500 lumens, cutoff or full cutoff optics: enforced by the Department of Public Works with a $100 daily fine per violation.
Key details: Enforcing agency: Department of Public Works. Penalty: $100 per day, per violation. Cutoff optics trigger: Above 3,500 initial lamp lumens. Full cutoff trigger: Above 14,000 lumens. Banned fixture type: Mercury vapor lamps.
The Department of Public Works enforces the Lighting Code; violating any section, including the shielding, cutoff-optics, or mercury-vapor-lamp ban, carries a $100 fine per day the violation continues.
Billboard Lighting
Pittsburgh caps electronic billboards at 2,500 nits during the day and 250 nits at night, with automatic dimmers and annual certification required under the zoning code's advertising sign standards.
Key details: Daytime brightness cap: 2,500 nits (sunrise to sunset). Nighttime brightness cap: 250 nits (all other hours). Where allowed: AS-O Subdistrict A only. Approval required: ZBA special exception. Max penalty: $1,000 fine per offense.
Violating the zoning code's sign standards is punishable on conviction by a fine up to $1,000 per offense plus costs under Pittsburgh Code § 924.04.G, with each day of continued violation a separate offense.
Compared to other cities, Pittsburgh takes a harder line on billboard lighting. The enforcement and penalty structure reflects that.
Dark Sky Rules
New construction and major renovations in Pittsburgh must use shielded, full-cutoff outdoor light fixtures to cut glare and light pollution under the city's Lighting Code.
Key details: Full cutoff trigger: lamps over 14,000 lumens. Cutoff optics trigger: 3,500–14,000 lumens. Mercury vapor outdoor lamps: prohibited outright. Applies to: new builds, permits, 25%+ additions.
Outdoor lighting plans that don't demonstrate compliance can be rejected at permit review; installing or replacing a mercury vapor outdoor lamp is a flat prohibition regardless of shielding.
The Bottom Line
Pittsburgh's outdoor lighting rules are a mixed bag. Some areas are strict, others are relaxed, and the details matter. The best approach is to check the specific rule that applies to your situation rather than assuming Pittsburgh is broadly strict or permissive.
These rules come from Pittsburgh's publicly available municipal code. For complete penalty schedules, exemption details, and answers to common questions, see the individual ordinance pages throughout this guide.