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A binding site plan provides an alternative method for division of land for commercial and industrial zoned property, mobile home parks, trailer parks or condominiums. Also see subdivisions. See legal authority Chapter 19A.20* of the King County Code. Administered by the Department of Local Services, Permitting Division (Permitting). For questions, please contact customer service at 206-296-6600 or email

How much will it cost?

See the current fee schedule for an estimate.

Where can I get an application?

How do I submit my application?

See Applying for a permit.

What is the timeline for processing a binding site plan?

Decision type 2: 120 days.

For more information:

See Type 1-4 Applicant Designation.