K-State Research and Extension

As the local branch of K-State Research and Extension, the Johnson County Extension office has access to the latest research-based information from universities across the country. Our Extension agents are Kansas State University faculty members, live in the community, and can help you apply this information to your own specific issues here in Johnson County.

You can trust that the information is research-based, accurate and presented without bias. We're here to help you solve problems, develop skills, and build a better future. So give us a call. We're the information source you can trust.

The following links will take you to the K-State Research and Extension website. They will open in a new browser window.

Kids in a garden with plants

Contact K-State Research and Extension


Sunset Building
11811 S. Sunset Drive, Suite 1500, Olathe, KS 66061

Office Hours:
Make an appointment, before coming into the office.

8:30 a.m.–5 p.m. | M-F


Phone: 913-715-7000
Fax: 913-715-7005