Legal Lot Bulletin

https://www.kingcounty.gov/~/media/depts/permitting-environmental-review/dper/documents/forms/Legal-Lot-pdf.ashx?la=en

Determination of Legal Lot Status Determination Form

https://www.kingcounty.gov/~/media/depts/permitting-environmental-review/dper/documents/forms/le-det-leglot-pdf.ashx?la=en

King County Information Regarding Legal Lot Determination

https://www.kingcounty.gov/depts/permitting-environmental-review/info/PermitTypes/landuse/LegalLot.aspx