Outdoor Lighting in Bannock County, ID (2026)
3 rules for unincorporated Bannock County, Idaho.
Verified from official government sources
Dark Sky Rules
Every private land use in unincorporated Bannock County must shield outdoor lighting so it points down toward the ground, not up into the sky or onto reflective surfaces. Floodlights get an extra rule: they must be arranged so they never shine toward roadways, neighboring land, or directly into the night sky.
Dark-Sky Lighting Rules in Bannock County
Some RestrictionsBannock County Code § 17.52.480(B)(1), (B)(7)
1.All lights shall be shielded in such a way as to direct all light toward the earth's surface and away from reflective surfaces. ... 7.Any facilities that require floodlighting shall arrange the lights in such a way that they do not shine toward roadways, adjacent properties, or directly into the night sky.
Light Trespass & Shielding
Bannock County requires every outdoor light on private land to be shielded so it does not spill onto neighboring parcels, with extra weight given to protecting adjacent residential uses. The rule applies countywide to commercial, industrial and other private development, enforced through Planning and Development Services' lighting plan review.
Light Trespass Rules in Bannock County
Some RestrictionsBannock County Code § 17.52.480(B)(2)
2.All lights shall be shielded in such a way as to direct light away from all adjacent properties, especially those developed with residential uses.
Billboard Lighting
Bannock County limits how billboards along its roads can be lit. Neon and back-lighting panels are banned outright, and no billboard may flash, move, or blink. A digital changeable-message face must carry a light sensor that keeps its added nighttime brightness under 0.3 footcandles at a set distance.
Billboard Lighting Limits in Bannock County
Some RestrictionsBannock County Code § 17.52.470(L)(4)(b), (M)(4)
b.Non-digital billboards may be indirectly illuminated; neon, back lighting panels and the like are not permitted. Billboards which contain, include, or are illuminated by any flashing, intermittent, or moving light or lights are prohibited. Reflective surfaces or devices on sign faces, and multiple-faced signs, with illumination, are permitted. ... 4.A changeable message billboard face that ut...
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