Outdoor Lighting in Folsom, CA: What Residents Actually Need to Know

If you live in Folsom or are thinking about moving there, outdoor lighting are one of those things you probably won't think about until they affect you directly. Folsom has 2 specific rules on the books covering different aspects of outdoor lighting, and some of them might surprise you.

Dark Sky Rules

Folsom does not run a citywide dark-sky ordinance, but its hillside development chapter requires street lighting to be directionally shaded against off-site glare, caps streetlight poles at 30 feet, and limits building-site exterior lighting to what safety actually requires.

Key details: Applies to: Hillside area subdivisions only. Streetlight height cap: 30 feet without PW/CDD approval. Street lighting standard: Directionally shaded, no off-site glare. Exterior building lighting: Minimum necessary for safety.

Hillside development applications that do not show directionally shaded street lighting or that propose streetlights taller than 30 feet without public works and community development approval can be denied or conditioned at the design-review and grading-permit stage under Chapter 14.33's approval process; there is no separate lighting-specific fine schedule, and compliance is enforced through the permit and design-review process rather than after-the-fact citation.

Folsom is more permissive than most cities when it comes to dark sky rules. That said, there are still limits.

Billboard Lighting

Every billboard erected along Folsom's Highway 50 corridor needs its design, colors and lighting approved by the planning commission before it goes up, and any later change to the sign, including a lighting change, needs a fresh planning commission sign-off. The lighting has to read as consistent with the surrounding topography, trees and open space corridor rather than stand out on its own. Folsom Municipal Code Section 17.59.040(E)(3)(g) sets the rule.

Key details: Approval authority: Planning commission review. Standard applied: Consistent with topography/trees/open space. Change requires: New planning commission approval. Applies to: Off-site billboards on Hwy 50 corridor. Violation level: Level B, $100-$2,500.

Changing a billboard's lighting, colors or design without planning commission approval is an administrative violation under FMC 17.59.070, classified Level B, carrying a monetary sanction of one hundred to twenty-five hundred dollars under FMC 1.09.012(A)(2), in addition to any conditional use permit revocation for the underlying billboard.

This is one of the stricter rules in Folsom's municipal code. If you are unsure whether your situation complies, it is worth checking with the city before proceeding.

The Bottom Line

Folsom'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 Folsom is broadly strict or permissive.

Keep in mind that Folsom can amend these rules at any council meeting. For the most current version of any rule mentioned here, check the specific ordinance page, where we track updates as they happen.