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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.

At Johnson County K-State Research and Extension, we affirm the value of every person and strive to maintain an atmosphere of justice based on respect for each other. We understand the impact social injustice has on marginalized communities and their allies. We stand with them and we ask our community members to demonstrate the empathy, sympathy and social responsibility that reflects these values. These are difficult times, but working together we can achieve the transformative change that we all desire and need. K-State Research and Extension is an equal opportunity provider and employer.

Current News

In observance of Independance day, our office will be closed July 3rd. Regular business hours will resume July 6 at 8:30 a.m.

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.

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For updated information on the Johnson County 4-H Fair click here.


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New Information

Nutrition Resources

4-H & Youth Resources

Nutrition Resources

Health & Food Safety

Nutrition Resources

Home & Family

Nutrition Resources

Lawn & Garden

Nutrition Resources

Agriculture & Natural Resources

2019 Annual Report Cover

2019 Annual Report  


 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