• General Engineering Construction

    Custom Site Development
  • Engineered Septic Systems

    Commercial & Residential, Pretreatment System Certified
  • Soils Exploration

    Land Slide Repair, Fault Trenching


We are a full-service construction company –  Specializing  in  General engineering construction, custom site development and soil bedrock/exploration

  • We are a family owned and operated business for over 25 years. Serving Sonoma, Napa, Marin, Lake Counties and all the surrounding areas.
  • The Pearson name has been in the industry for over 45 years and has combined  drilling, excavating and engineering services  to serve you.
  • We hold a Class A General Engineering License, we are  certified OSHA  competent  and have many excellent references upon request.


Contact us online to schedule a quote with our experts.

Contact Us

Call or email us with questions, or use the form to send a message.

Pearson Exploration

708 Gravenstein Hwy N #186

Sebastopol, CA 95472

©2018 Pearson Exploration | All rights reserved.