Thornton Land Surveying

Delivering Top-Quality Performance On Schedule

Thornton Land Surveying

Delivering Top-Quality Performance On Schedule

We Provide Land Surveying Services by the Best in the Business

Over 40 years experience in the industry

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.

Why Choose Thornton?

survey engineer in prefabricated construction site using special equipment for surveying

Top-Quality Performance

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.

40 Years of Experience

During the last 40 years, Thornton Land Surveying has completed thousands of topographic surveys, boundary surveys, and mapping projects. We also are 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).


Some of our services offered

Construction Services

Boundary Line Adjustment

Aquatic Services

Construction Services

Boundary Line Adjustment

Aquatic Services

We Use State Of The Art Technology

Laser Scanning

Laser scanning is a relatively new technology, having been used as a praise survey instrument only since 1998. Now it is quickly becoming the new industry standard as a way to make very accurate measurements in complicated environments.


We employ several drafting programs and other software packages including Autocad 3D, IntelliCad, Carlson SW; Terramodel, Maptitude, Corpscon, Vertcon, Cyclone, Cloudwoks and MS Office. The main office is equipped with a network, computer systems, a full complement of printers, plotters, copiers, and email access to all employees.


Thornton Land Surveying has a capacity to operate three crews and regularly engages GPS, robotic, and conventional surveying tools as well as state-of-the-art laser scanning.

Recent Clients

Get a Free Quote

Thornton Land Surveying strives to make things as easy as possible for you. We can provide you with a free quote. Please fill out the form and we will get back to you within 1-2 business days.

If you have any Land Surveying needs...

Call Monday – Friday : 7:30 a.m. to 4:30 p.m, we are available for our customers.

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