At Thornton Land Surveying, we pride ourselves in making a difference in your client experience by providing cohesion and cooperation like no other surveying firm. Each member of our staff possesses vast industry knowledge, an excellent skill set, and valuable field experience.

Our team consists of licensed land surveyors (PLS and CFedS) and experts who work together to put your needs at the top of your priority list. We believe that this project approach sets the pace and offers something different to our clients.

Thornton Land Surveying has a legacy of successfully delivering top-quality performance on schedule, within budget, and tailored to the individual needs of the client. We are a firm with primary areas of expertise in land surveying digital mapping services and 3D laser scanning. Our diverse range of clients include governmental agencies, school districts, churches, utility districts, homeowners, and a great number of private sector developers throughout the State of Washington.

During the last 40 years, Thornton Land Surveying has completed thousands of topographic surveys, boundary surveys, and mapping projects. We alsoare one of the few local firms to offer 3D laser scanning. Additionally, we have one principal office located in Gig Harbor, and a second office operating out of Port Orchard under the name Con Serve, Inc. (CSI Surveying).

Peninsula Light Company
Topographic mapping for Hale Passage cablecrossing design and construction
City of Gig Harbor
Record of Survey and Aquatic Lease of former fueling parcel
Arabella’s Landing
Binding Site Plan, overall site map and Aquatic lease extensions for three docks
Olympic Towne Center
Design topography, tree inventory and Binding Site Plan preparation
Tacoma Metro Parks
Topographic survey & Wetland mapping at Blueberry Park
Bremerton School District
Topographic map of Bremerton High School for design
Port Madison Enterprise
Topographic map of Kiana Lodge as a base-map of ongoing improvements and design of an on-site septic treatment facility
Port of Tacoma
Supplemental topography at the Hylebos Waterway for shoreline and beach mitigation and cleanup
Klahowya Junior High School, Central Kitsap School District
All phases of new construction on a 20-acre site
Home Base, Silverdable, WA
New construction and development of five-acre site
Mason Lake Road, Mason Country, WA
Reconstruction/realignment of 3 clients.2 miles of roadway
Wal-Mart, Lacey, WA
Three-month fast track new construction improvement of 20-acre site
Bremerton School Sites
Data/topographic survey covering six different area school sites to be used in design phase of site improvements
Rainer Beach High School, Seattle School District
Rehabilitation of outdoor school athletic facilities
Nuclear Refueling Enclosure
Bremerton Naval Shipyard Building control and certification
Pierce County
Platted Subdivisions, four contiguous and separate plats totaling more than 150 lots on 25 acres
Blueberry Meadows, Kitsap County
One contiguous plat totaling more than 200 lots on 50 acres
Southwest Police Precinct, City of Seattle
Critical structural monitoring, construction layout and control
Port Orchard Municipal Building, Port Orchard, WA
Difficult site conditions and an archaeological discovery, auger cast piles, and erected steel for a three-story structure
Randall Way Road Realignment, Silverdale, WA
Layout of several hundred piles for retaining walls with attached sidewalks
Roskey Esate, Bremerton, WA
Complex boundary survey including court settlements, revised right-of-ways, adverse position claims, and public domain issues
Seattle Yacht Club
Survey and extension of Aquatic Lease
Fort Lewis
Ground water reclamation
Lakeland Village
Divisions 1-12
Canterwood Development
Surveying for Canterwood Development