skip to main content
King County Surveyors

King County Road Services - Survey Unit

Our services
Boundary, topographic; construction rights of way and other surveying services.

Survey control
Determining accurate positions of monuments which control the position of private property lines and rights-of-way in King County.

Puget Reference Station Network
A network of permanent Global Positioning System (GPS) Continuous Operation Reference Stations (CORS) delivering real-time GPS corrections via cellular technology.

Monuments
Monument repair request formWe assist private surveyors and citizens with the recovery and preservation of monuments which control the location of property lines, easements and road rights-of-way.

History of surveying
Over 150 years of surveying history in King County!

Resources
Links to other Web sites and related information.

Related information

Surveying boundaries and locating underground utilities

Contact us

Chief Surveyor Trevor Cray, PLS
Roads Survey Unit, Bldg C
155 Monroe Ave. N.E.
Renton, WA 98056
206-205-9910
206-296-7719 (fax)