Our Services

PLSA is a truly multi-disciplinary firm providing a wide range of services to meet our clients project needs. Our staff has the skills and expertise needed to provide efficient, cost effective services.

Civil Engineering

PLSA maintains experienced professional engineers & engineering design technicians working together as a team to provide our clients with a wide range of engineering services.


PLSA has experienced field crews and in-house support staff. We provide our clients with the most cost effective, high quality and accurate survey services in the industry.

Land Planning

PLSA Planning department provides professional planning services such as land use analysis, project design, as well as subdivision and land development plan application assistance.

Quality Control

PLSA has provided quality control services for over 50 years. Our qualified testing staff has over 40 years of combined experience in projects big and small.

Geotechnical Engineering

PLSA incorporates modern, proven geotechnical investigation methods in order to provide our clients with the most reliable results.

If you have any questions about our services or would like a cost estimate, please contact us.


521 North 20th Avenue Suite 3, Yakima, WA. 98902