Kirkland planners weigh larger stream buffers and a Riparian Management Zone; debate centers on nonconforming homes and speed of environmental gains

Kirkland planning staff briefed the council on Nov. 5 about proposed updates to the city’s critical‑areas code—chiefly geologic hazards and stream/wetland protections—and presented the Planning Commission’s recommendation for a Riparian Management Zone (RMZ) approach rather than a simple uniform buffer expansion.

What staff presented: The code update revises Chapter 85 (geologic hazards) to add clearer exemptions for low‑risk repairs and to consolidate vegetation/tree management rules; it also proposes Chapter 90 revisions (streams and wetlands) that respond to best‑available science and tribal and state agency comments. The Washington Department of Fish and Wildlife and local tribes advised larger stream buffers and changes consistent with forestry‑based best practices.

RMZ versus straight buffer expansion: Planning staff…