Oakley planning commission advances dark‑sky code rewrite, sets May 2026 compliance deadline

Oakley Planning Commission members spent the majority of the meeting reviewing a draft rewrite of the city's dark‑sky land‑use code and agreed on next steps for drafting, outreach and enforcement as the existing amortization period approaches its end in May 2026.

Commissioners and staff said the rewritten code should be practical and paired with public education and low‑cost retrofit options so property owners can comply before the deadline. The draft discussed by staff proposes clarifying applicability now that the five‑year amortization period is ending, tightening technical standards (color temperature and lumens), and establishing nighttime curfews and limited exemptions for certain recreational or civic events.

Staff lead Stephanie (planning staff) told the commission she reviewed other dark‑sky jurisdictions and a dark‑sky template and reorganized Oakley's code to highlight issues she expects to be controversial, including holiday lighting, signage and commercial fixtures. "I want to get this one right," she said as the group worked through definitions and standards.

What commissioners discussed - Amortization and deadline: Commissioners agreed the existing amortization period should be acknowledged in the applicability section and that the deadline should be stated: May 2026. The commission discussed but did not resolve whether to extend or alter that period. - Enforcement and nonconforming status: Staff noted Oakley's code does not treat noncompliant lights as a nonconforming use that only becomes regulated when replaced; instead the code requires properties to come into compliance by the stated deadline. Commissioners discussed the tradeoffs and the need for outreach and low‑cost retrofit solutions. - Technical standards under consideration: Commissioners debated recommended numerical limits to reduce skyglow and glare. Items discussed include: - Color temperature (Kelvin): several commissioners favored a warmer maximum (2,700K) for general use, with discussion of 2,200K for amber‑filtered or specially treated fixtures in higher‑sensitivity areas. Staff noted LEDs at lower Kelvin values are increasingly available. - Lumens and per‑fixture limits: commissioners discussed per‑fixture caps (examples in the draft: 1,000 lumens per residential fixture; 2,500 lumens per commercial fixture) and a proposed cumulative cap for a dwelling (commissioners discussed lowering an existing example value down to about 10,000 total lumens per dwelling as more practical than the draft's higher number). - Mounting, shielding and full‑cutoff requirements: the draft emphasizes full‑cutoff fixtures for parking, commercial and high‑impact areas. Commissioners discussed exemptions and retrofit options (frosting glass panes, amber filters or lower‑output bulbs) so existing fixtures can be made compliant without wholesale replacement. - Nighttime curfews and seasonal/holiday lighting: commissioners discussed time limits (examples mentioned: 10 p.m. or 11 p.m. for residential/seasonal displays and 30 minutes after a business closes for commercial lighting). They favored curfews as an enforceable, simple tool while preserving a path for temporary or council‑approved exceptions for events (rodeo, tournaments). - Security and motion lighting: commissioners sought clear definitions of security lighting; the draft would limit continuous floodlighting and encourage motion‑activated lights or timers for security fixtures. - Signs and commercial lighting: commissioners discussed pushing for externally downlit signage over internally illuminated signs, and noted that positive contrast (dark background, light letters) can improve legibility at lower light levels.

Community support, outreach and compliance tools Commissioners repeatedly emphasized outreach, education and low‑cost solutions: bulk bulb purchases, retrofit kits, local procurement at municipal contract pricing, and a simple one‑page public guidance sheet with photos showing acceptable and unacceptable lighting. Several commissioners proposed a citizen committee to help with outreach materials and compliance coaching.

Next steps The commission asked staff to refine the draft land‑use amendment, incorporate the numeric ranges discussed, prepare simplified public guidance (one‑page summary and photos), and return the revised draft for further review and a public hearing. No formal vote to adopt code changes was taken at the meeting; commissioners directed staff to continue drafting and education work.

Why it matters The rewrite will determine how Oakley implements dark‑sky protections going forward, affect how homeowners and businesses retrofit or replace lighting, and set the city's approach to enforcement. With the amortization period expiring in May 2026, commissioners said clear standards and proactive outreach will be critical to minimize compliance costs and community pushback.