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

(913) 715-7000
(913) 715-7005 fax

Map to our office

Current News

Knowledge For Life Newsletter:

April 2019


Soil sample in pyrex cup and soil test formNOTE: Update on Soil Test Results ⁄ April 17

Due to the volume of soil samples submitted
for testing this spring, the turn-around time
for results is approximatly 4 weeks,


 4-H campers in swimming pool

4-H Summer Camps
Registration now open!


Walk Kansas logo


Radon Kit

Radon Kits: Kits are available year-round



Office Hours:

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

Map to our office

Kansas State University is committed to making its services, activities and programs accessible to all participants. If you have special requirements due to a physical, vision, or hearing disability, contact Johnson County K-State Research and Extension, 913-715-7000.

Kansas State University Agricultural Experiment Station and Cooperative Extension Service

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