Pasco's outdoor lighting code (PMC Chapter 12.32) requires outdoor lighting systems to be shielded from above so that the edge of the shield is level with or below the center of the light source, minimizing direct light emitted above the horizontal. The chapter also covers lighting source, unlawful acts, exemptions, and penalties.
Pasco regulates outdoor lighting under PMC Chapter 12.32 (Outdoor Lighting). The chapter defines 'outdoor lighting fixtures' to include lighting for billboards, street lights, shopping center or parking area lights, illuminated on-site or business advertising signs, and yard-type lighting. Its core shielding standard (PMC 12.32.020) requires that outdoor lighting systems be shielded from above such that the edge of the shield is level with or below the center of the light source, in order to minimize direct light emitted above the horizontal - a dark-sky-style requirement aimed at reducing upward light, sky-glow, and glare. The chapter also addresses the lighting source (PMC 12.32.030), unlawful acts (PMC 12.32.040), temporary exemptions (PMC 12.32.050), exclusions (PMC 12.32.060), enforcement (PMC 12.32.070), and penalties for violation (PMC 12.32.080). As of late 2025, the City was considering updates to its lighting standards based on a citywide lighting study, with the stated intent to improve safety and align with current industry standards, so the specific numeric requirements may change. For new development, exterior lighting is also addressed within the Title 25 zoning design standards. Because exact shielding details, exempt categories, and any proposed updates can affect a given project, confirm the current outdoor lighting requirements with the City of Pasco Community and Economic Development Department before installing or replacing exterior fixtures.
Outdoor lighting that is unshielded, allows direct light above the horizontal, or otherwise violates the shielding and unlawful-acts provisions of PMC Chapter 12.32 can be cited and required to be corrected, reshielded, or redirected. The chapter provides for enforcement and penalties for violation.
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