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Public notices and permit records research

Learn more about projects that require public notice, and how to research permitting records.

Permit records research

Learn how to research building and land use permits that have been finalized, closed, or are still active in unincorporated King County.

Public notices

Applicants for certain land use actions or permit types described in chapter 20.20 of the King County Code are required to provide public notification. The State Environmental Policy Act of 1972 (SEPA) also requires public notification of environmental threshold determinations for these applications and other actions.

Special interest projects

Permitting activities in unincorporated King County that may be of special interest to the public because of their nature, size, or location