Registered land surveyor.
Seattle Mun. Code § 23.22.092
in effectA survey of every proposed subdivision and the preparation of preliminary and final plats of the subdivision shall be made by or under the supervision of a registered land surveyor who shall certify on the plat that it is a true and correct representation of the lands actually surveyed. All surveys shall conform to standard practices and principles for land surveying. (Ord. 110570 § 1(part), 1982.)
Source: Seattle Municipal Code (Municode library)URL: https://library.municode.com/wa/seattle/codes/municipal_codeFetched: 7/25/2026