1. K-State home
  2. »Research and Extension
  3. »Johnson County

Johnson County

Research-based Information You Can Trust — Localized for your needs

Johnson County
11811 S. Sunset Drive
Suite 1500
Olathe, KS 66061

Office Hours:

Make an appointment, before coming into the office.

Monday - Friday,
8:30 a.m. - 5 p.m.

(913) 715-7000
(913) 715-7005 fax
jo@listserv.ksu.eduMap to our office

K-State Research and Extension is committed to making its services, activities and programs accessible to all participants. Reasonable accommodations for persons with disabilities may be requested by contacting Johnson County Extension at (913)715-7000. Notify staff of accommodation needs as early as possible.

Kansas State University Agricultural Experiment Station and Cooperative Extension Service

K-State Research and Extension is an equal opportunity provider and employer.

Current News

For the safety of our staff, volunteers and public the Johnson County Extension Office is open. If you must come into our office, please set up an appointment, so we can take additional precautions for you and our staff. Face to face programming is suspended until July 4, 2020 per K-State Research and Extension.
Visit us Digitally:
facebook icon     Twitter Icon    Instagram Icon     Youtube ICon

Got Soil?

We accept soil samples at the Johnson County Extension Office. Here are a few things you will want to know.

Volunteer Income Tax Assistance:

We are not able to reopen our tax site before the July 15th tax deadline because of Covid-19. If you would like our help in completing your taxes, we have set up a "mail-in option". Please follow the instructions listed on the Tax Preparation page


Extension Master Gardener Application: Now Open


COVID-19 Graphic

New Information

Nutrition Resources

Youth Resources

Nutrition Resources

Health & Food Safety Resources

Nutrition Resources

Financial & Home Resources

Nutrition Resources

Horticulture & Local Foods

Nutrition Resources

Agriculture & Natural Resources

2019 Annual Report Cover

2019 Annual Report