Soil labs by state
Oregon
Oregon’s land-grant university, Oregon State University, operates the OSU Soil Health Lab for soil fertility and soil health testing. For residents, the most useful official pages are the lab’s soil-testing instructions, current fee book, and OSU Extension’s county office finder for local help.
Checked against official sources on October 4, 2026. Rules and links change; confirm with the office listed before you act.
- State soil lab
- OSU Soil Health Lab
- Lab website
- Official page →
- Basic test price
- $66 per sample (Western/Eastern Oregon Basic, 1-15 samples)
- Find your county Extension office
- Official page →
Official resources in Oregon
Official OSU Soil Health Lab page with submission instructions, mailing address, drop-box details, turnaround notes, and links to forms and fees.
Current OSU Soil Health Lab pricing PDF listing package prices, sample preparation fees, and processing fees.
Official statewide directory to find your county OSU Extension office and local contact information.
OSU Extension guide explaining how to collect, prepare, and submit soil samples properly.
OSU Extension publication on choosing a lab, confirming methods, and working with your local OSU Extension office before submission.
Key facts for Oregon
- OSU Soil Health Lab says it accepts sample submissions from researchers, industry, and private individuals. Source: OSU Soil Health Lab.
- Homeowners can mail samples and the Soil Submission Form to OSU Soil Health Lab, 3017 Ag Life Sciences Bldg, Corvallis, OR 97331. Source: OSU Soil Testing.
- OSU also allows sample drop-off in the submission box outside Agricultural Life Sciences Building Room 3079, Monday-Friday, 9 a.m.-3 p.m. Source: OSU Soil Testing.
- The published Western/Eastern Oregon Basic package price is $66 per sample for 1-15 samples, or $57 for 16+ samples. Source: OSU fee book.
- OSU’s fee book also lists sample preparation at $7 per sample and a processing fee of $6.50 per submission. Source: OSU fee book.
- OSU Extension’s statewide directory is the official way to find your county Extension office in Oregon. Source: OSU Extension in Your Community.
What to do next
- Collect the soil first using OSU Extension’s sampling guide, then download the OSU Soil Submission Form from the soil-testing page.
- If you want the OSU lab, submit by direct mail or use the Corvallis lab drop box; check the fee book before sending payment.
- Use the county OSU Extension office finder to locate your local office for pre-submission guidance and result interpretation help.
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