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What is the purpose of subdivision permits?

A Preliminary Plat Application establishes conditions to subdivide land into 2 or more legal building lots, consistent with adopted regulations.

A Preliminary Short Plat Application establishes conditions to subdivide land into 2 to 4 (rural) or 9 (urban) legal building lots.

How much will it cost?

See the Permitting Department's current fee schedule for an estimate.

Where can I get an application?

How do I submit my application?

See information on pre-applications as a pre-application meeting is mandatory prior to filing an application for a preliminary plat or short plat. For more information, refer to the individual application forms in the packets above and to Applying for a Permit at the Permitting Department.

What is the timeline for processing a subdivision permit?

Short Plat - decision type 2: 120 days.
Plat - decision type 3 recommendation: 150 days.

Notes / Comments

For more information:

Legal authority

Title 19A* and Chapter 20.20* of the King County Code

Administered by

The Department of Permitting and Environmental Review. For questions, please contact customer service at 206-296-6600.