Surveying, Engineering & Environmental Solutions Since 1981
Serving homeowners, developers, attorneys, municipalities, and businesses throughout Delaware, Maryland, and Pennsylvania with accurate, dependable, and professional consulting services.
Trusted Throughout the Mid-Atlantic
For more than four decades, PELSA has helped clients navigate property boundaries, land development, environmental challenges, and engineering projects of every size.
✔ 130,000+ Projects Completed
✔ 45+ Years of Experience
✔ Licensed in Delaware, Maryland & Pennsylvania
Comprehensive Land Development Solutions
Surveying
Accurate field data and boundary determination for residential, commercial, agricultural, and municipal projects.
Civil Engineering
Practical engineering solutions that move projects efficiently from concept to construction.
Environmental Services
Environmental consulting and regulatory guidance to support responsible land use and development.
Serving a Wide Range of Clients
Homeowners
Developers
Builders
Attorneys
Title Companies
Municipalities
Government Agencies
Commercial Property Owners
Experience You Can Build On
When your project depends on accurate information and dependable guidance, experience matters.
Our team combines decades of surveying, engineering, and environmental expertise to help clients make informed decisions and move projects forward with confidence.
Let's Discuss Your Project
Whether you need a boundary survey, site development plans, environmental consulting, or engineering support, our team is ready to help.