Soil labs by state
South Carolina
South Carolina homeowners use Clemson University’s Agricultural Service Laboratory for routine soil testing, and local Clemson Cooperative Extension county offices can help with sample drop-off. Clemson’s published standard soil test price is $6 per sample, while a one-sample mailer kit is offered separately for $25. ([clemson.edu](https://www.clemson.edu/public/regulatory/ag-srvc-lab/soil-testing/index.html))
Checked against official sources on October 4, 2026. Rules and links change; confirm with the office listed before you act.
- State soil lab
- Clemson University Agricultural Service Laboratory
- Lab website
- Official page →
- Basic test price
- $6.00 per sample
- Find your county Extension office
- Official page →
Official resources in South Carolina
Official Clemson lab page with soil-test services, pricing, and the soil testing overview.
Explains how homeowners can mail samples, deliver them to the lab, or leave them at a local County Extension Office.
Lists submission options, shipping address, and the mailer-kit option for non-local residents.
Official county office directory residents can use to find their local Extension office for drop-off and assistance.
Official Clemson form for ordering a prepaid one-sample soil mailer kit.
Key facts for South Carolina
- South Carolina’s routine soil-testing lab is Clemson University’s Agricultural Service Laboratory. ([clemson.edu](https://www.clemson.edu/public/regulatory/ag-srvc-lab/soil-testing/index.html))
- Homeowners may mail soil samples directly to 171 Old Cherry Rd., Clemson, SC 29634. ([clemson.edu](https://www.clemson.edu/public/regulatory/ag-srvc-lab/faq.html))
- Residents may also drop samples and payment at a local County Extension Office. ([clemson.edu](https://www.clemson.edu/public/regulatory/ag-srvc-lab/faq.html))
- Clemson lists the Standard Soil Test at $6.00 per sample. ([clemson.edu](https://www.clemson.edu/public/regulatory/ag-srvc-lab/soil-testing/index.html))
- Clemson’s one-sample soil mailer kit costs $25 and includes one standard soil test. ([clemson.edu](https://www.clemson.edu/public/regulatory/ag-srvc-lab/faq.html))
- County office locations are listed on Clemson Cooperative Extension’s County Offices page. ([clemson.edu](https://www.clemson.edu/extension/co/index.html?utm_source=openai))
What to do next
- Use the County Offices directory to find your county Clemson Extension office, then ask whether you should bring payment and forms with the sample. ([clemson.edu](https://www.clemson.edu/extension/co/))
- If you are not near Clemson, choose either direct shipping to the lab or the prepaid one-sample mailer kit. ([clemson.edu](https://www.clemson.edu/public/regulatory/ag-srvc-lab/submitting-guidelines.html))
- For a basic homeowner test, request the Standard Soil Test unless you specifically need an add-on analysis. ([clemson.edu](https://www.clemson.edu/public/regulatory/ag-srvc-lab/soil-testing/index.html))
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