2 rules for unincorporated Pierce County, Washington.
Verified from official government sources
Pierce County's countywide exterior illumination standards in PCC 18J.15.085 require hidden light sources, downward-directed shielded floodlights, and a 3000 Kelvin maximum color temperature to limit skyglow and glare.
Pierce County Code 18J.15.085
All building mounted floodlights shall be directed downward and shielded from above in such a manner that the bottom edge of the shield shall be at or below the light source.
Pierce County's exterior illumination standards in PCC 18J.15.085 require lighting to avoid glare and light trespass onto neighboring properties, keeping illumination on the premises it is intended to light.
Pierce County Code 18J.15.085
Exterior lighting shall be designed to prevent light trespass into the sky and adjacent properties through methods that may include, but are not limited to, light shielding, downward directional lighting, or specialized fixture optics.
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