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Alterations - Land use permit process

A plat alteration allows revisions to a legally recorded plat or short plat, including creation of new building lots provided everything is consistent with applicable zoning, conditions of preliminary plat approval, recorded covenants, and other binding regulations. Administered by the King County Department of Permitting and Environmental Review (DPER).

Cost and timeline

Check our current fee schedule for an estimate

The timeline is 120 days to hear back.

Application

Refer to the Land Use - Subdivisions packet and Land Use - Short Subdivisions packets on our Permit forms, application materials, and resources webpage for detailed information.

Check our online permits page to see if you can submit these forms through MyBuildingPermit

Legal authority

Title 19A of the King County Code

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