Soil labs by state
Delaware
Delaware homeowners are served by the University of Delaware Soil Testing Program through UD Cooperative Extension. For home lawn and garden samples, UD publishes a specific homeowner test package, and its official instructions say samples may be mailed to Newark or dropped at county Extension offices. UD also publishes a statewide Office Locations & Staff Directory for New Castle, Kent, and Sussex County offices.
Checked against official sources on October 4, 2026. Rules and links change; confirm with the office listed before you act.
- State soil lab
- University of Delaware Soil Testing Program
Official resources in Delaware
Main official page for Delaware soil testing, including test types, current posted fees, and online kit ordering.
Official instructions for getting a kit, submitting samples by mail or county Extension drop-off, and mailing samples without a regular bag.
Official county office finder for UD Cooperative Extension locations in Newark, Dover, and Georgetown.
Official fee schedule PDF with prices effective August 2024.
Key facts for Delaware
- Delaware’s official land-grant soil lab for homeowners is the University of Delaware Soil Testing Program.
- UD says samples may be dropped off at your county Extension office or mailed directly to the Soil Testing Program in Newark.
- UD says soil test kits can be obtained at any of the three UD Cooperative Extension offices.
- The published Home Lawn and Garden Soil Test price is $22.50 per sample.
- UD says mailed kit orders have a flat $5.00 shipping and handling fee; this does not apply to kits picked up at Extension offices.
- To find a county office, use UD Cooperative Extension’s Office Locations & Staff Directory page for New Castle, Kent, and Sussex.
What to do next
- Start on UD’s Office Locations & Staff Directory page and choose the office nearest you: Newark, Dover, or Georgetown.
- If you want to avoid mailed-kit shipping, pick up a soil test kit at a UD Cooperative Extension office.
- If you do not have a regular soil test bag, use UD’s General Information page for the official alternate mail-in instructions.
Helpful guides
- How to take a soil sample for a lab test
- University soil labs vs. private labs vs. home kits
- How to read a soil test report
- Soil pH and lime: what your test is telling you