Burien planners weigh middle‑housing design standards, parking rules and smaller minimum lot sizes

Burien planning staff on March 26 briefed the City of Burien Planning Commission on proposed design standards and zoning‑map changes meant to implement state middle‑housing laws, laying out options for driveway and garage placement, pedestrian access, and minimum lot sizes for the city’s three residential zones.

The presentation said the planning effort responds to state middle‑housing bills and to new requirements for objective design standards. Planning staff said the changes would apply design standards across single‑family neighborhoods that will allow middle‑housing types such as duplexes, triplexes, courtyard apartments and cottage housing, and that some existing ADU design limits must be removed under state law.

Planning staff described design standards as measures “to ensure compatibility with existing neighborhoods and existing uses, to minimize the visual or functional impacts,” and said they aim to preserve and protect “the public health, safety, and welfare of Burien citizens.” The staff presentation included examples of driveway treatments, limits on garage‑forward designs, pedestrian access standards, minimum lighting, and tree or landscaping requirements to reduce impervious surface and maintain emergency access.

Why it matters: The proposed changes affect thousands of parcels across Burien and are intended both to comply with state law and to shape how higher‑density development looks and functions at the neighborhood level. Staff told commissioners that the rezones could substantially raise capacity on some sites and that the code changes will interact with impact fees and right‑of‑way requirements paid at permit stage.

Key details from the briefing

- State bills and objective design standards: Staff repeatedly referenced state middle‑housing legislation (transcript: “house bill 11 10” and other bills) that restricts some local discretion on parking and requires clear, objective design…