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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

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

Map to our office

Current News

Knowledge For Life Newsletter:

February 2019: Income Tax Help, New Hort Agent, Prune KC Trees


Free Income Tax Preparation

VITA Free Income Tax Preparation

Feb. 6 - April 13

  • Wednesdays: Noon - 4:30 p.m. (or until full)
  • Thursdays: Noon - 4:30 p.m. (or until full)
  • Saturdays: 8:30 a.m. – 12:30 p.m. (or until full)

First Come/First Served, no appointments


Will work for foodRegister for the Poverty Simulation Experience,
Monday, Feb. 25 ⁄ 1-4 p.m.


10TH Annual Healthy Yards Expo logo


Radon Kit

Radon Kits

Kits are available year-round

We recommend calling 
913-715-7000 to check inventory status 
before you head out for our office.



Soil sample in pyrex cup and soil test form Free Soil Testing for Johnson County Residents

How to take a soil test

Why take a soil test

AG Soil Testing


Johnson County K-State Research and Extension Master Gardener logoFor Lawn and Garden questions click here.


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.