Preston L. Shepherd Associates, Inc.
Quality professional engineering and surveying services tailored to client needs
About the firm
Preston L. Shepherd Associates, Inc. (PLSA) is a Washington-based engineering and surveying practice founded in 1964. Operating primarily from Yakima, it provides multi-disciplinary civil engineering, geotechnical engineering, land surveying, land planning, environmental services, materials testing, and construction quality control. Serving public and private sector clients throughout Washington, PLSA works with governmental agencies, school districts, churches, utility districts, and land developers to deliver tailored project designs, boundary surveys, and quality control testing.
- Established
- 1964
- Team
- Small
- Firm type
- Civil Engineering · Geotechnical Engineering · Land Surveying · Environmental Engineering · Materials Testing
People
Scott GarlandPrincipal Engineer
Joe BakerPrincipal Surveyor
Rick WehrSurvey Manager
Tyler KnoppCAD Manager
Jeff PetersPlanning Manager
Desi VerbruggeOffice Manager
Wade KabrichPlanning/Project Coordinator
Jeff GamacheEngineering Technician
Trisha LongEngineering Technician
Scott PetersenSurvey Crew Chief
Mike PhelpsSurvey Crew Chief
Devon MatsonSurvey Crew Chief
Josh CaffreyQuality Control Technician
Demian WalterQuality Control Technician
Dianna TelloAdministrative Assistant
Capabilities
Civil Engineering
Service websiteMaintains a team of professional engineers and design technicians who collaborate to deliver comprehensive engineering design and preparation work.
Surveying
Service websiteDeploys field crews and in-house support staff to deliver accurate and cost-effective measurements for various development projects.
- Boundary Surveying
Determines property boundaries and legal definitions for land ownership and transfers.
- Topographic Surveying
Maps the physical features, contours, and elevations of project sites.
- Construction Surveying
Provides precise layout and staking to guide contractors during site development and construction.
Land Planning
Service websiteAssists clients through the early phases of land development, from initial site analysis to regulatory approvals.
- Land Use Analysis
Evaluates parcels for development feasibility, zoning alignment, and optimal site configuration.
- Project Design
Creates initial concepts and layouts to guide the physical planning of properties.
- Subdivision Planning
Manages the partitioning of larger tracts into smaller, buildable lots or parcels.
- Land Development Plan Application Assistance
Guides projects through the submittal, hearing, and review procedures required by governmental jurisdictions.
Quality Control & Materials Testing
Service websitePerforms testing and inspection across projects of all scales, backed by decades of combined technical experience.
- Materials Testing
Assesses the physical properties and performance of construction materials.
- Construction Quality Control
Monitors and inspects construction activities to verify adherence to design plans and specifications.
Geotechnical Engineering
Service websiteIncorporates modern geotechnical investigation methods to deliver reliable results for site stability and foundation design.
Environmental Services
Service websitePerforms environmental assessments and regulatory compliance services to support site investigations.
Industries
Government · Education · Religious · Utilities · Land Development
Projects
No projects listed yet.