Our Expertise Includes:
Thornton Engineering specializes in civil engineering design for a wide range of projects-including municipal and commercial projects, residential developments, private homes, and community initiatives.
We take the time to understand your vision, needs, and goals.Our mission is to look out for your best interests by delivering quality engineering solutions that fit your project’s scope, schedule, and budget.
- Civil Design and Site Development
- Land-Use Consulting
- Floodplain andStream Studies
- Infrastructure Planning
- Planning and Permitting Support

About Us
Founded in 1992 by Michael Thornton, P.E., Thornton Engineering is based in Jacksonville, Oregon, and proudly serves Southern Oregon and beyond.
Michael Thornton, P.E., brings over 40 years of experience in civil engineering, holding a B.S. from the University of California, Davis. His background covers commercial, municipal, residential, & community projects throughout California & Oregon.
Our Approach
At Thornton Engineering, we believe open, effective communication is the foundation of every successful project. We work closely with clients and partners to ensure transparency, eliminate surprises, and deliver outstanding results-on time and within budget.
Every project is unique. Through collaboration and clearcommunication, we tailor our engineering services to meet your specific needs.

Our Services
Thornton Engineering offers a full suite of civil engineering and design services, including:
- Master and Site Planning
- Underground Utility Design
- Floodplain and stream studies, Letters of Map Amendment
- Parking lot and pavement design
- Water System Design
- Grading and Paving Plans
- Stormwater Treatment Facilities
- New street construction and rehabilitation
- Stormwater and Sanitary Sewer Systems
- Subdivision Planning
Contact Us
Reach out today to discuss your project!
- Phone:
(541) 899-1489 - Thornton Engineering
260 N. Third St
Jacksonville, Oregon
Reach Out Today
Use our contact form, or give us a call. We look forward to working with you!