Outdoor Lighting in Matanuska-Susitna Borough, AK (2026)
2 rules for unincorporated Matanuska-Susitna Borough, Alaska.
Verified from official government sources
Dark Sky Rules
In the Knik Sled Dog and Recreation Special Land Use District, the section of the borough outside Wasilla, Palmer and Houston northwest of Wasilla, exterior lighting must be located and shielded to direct light toward the ground. Any street light or fixture mounted higher than 20 feet needs downward directional shielding under the district's Table 1 development standards at MSB § 17.20.070.
Mat-Su Knik District Outdoor Lighting Shielding Rule
Some RestrictionsMatanuska-Susitna Borough Code § 17.20.070, Table 1 (Lighting)
Exterior lighting shall be located and shielded to direct light towards the ground. ... Street illumination and other fixtures mounted higher than 20 feet shall have downward directional shielding.
Light Trespass & Shielding
In the Knik Sled Dog and Recreation Special Land Use District northwest of Wasilla, part of the borough outside Wasilla, Palmer and Houston, glare and illumination from exterior lighting must stay on the property where it originates. MSB § 17.20.070's Table 1 lighting standard bars light from impacting adjacent properties, neighboring land, and the night sky, and separately requires glare to be shielded from vehicular traffic.
Mat-Su Knik District Light Trespass Rule
Some RestrictionsMatanuska-Susitna Borough Code § 17.20.070, Table 1 (Lighting)
Glare and illumination associated with exterior lighting shall be contained on the subject property and not impact adjacent properties, lands and the night sky. ... Glare shall be shielded from vehicular traffic and not impair traffic safety.
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