Welcome to Clackamas County

Latest News

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Horse Jumping Clinics
One day jumping clinics for kids
Record Book Evaluators Wanted
What are Evaluation Days? They're like County Fair for 4-H Record Books...and we need your help!
FallFest Open Horse Show
A benefit for the Clackamas County 4-H Horse Program
Benny Beaver will visit the fair!

Serving Clackamas County Residents since 1917

 The Oregon State University Extension Service provides objective, researched-based knowledge and education that strengthens local economies, sustains natural resources, and promotes healthy communities, families, and individuals. Clackamas County Extension serves local citizens with programs in:

  • Home Gardening, Master Gardener clinic hours: Monday-Friday, 9:00am-12:00pm, 1:00-4:00pm.
  • Trees and Forests, Community Forestry Day, every second Saturday of the month at Hopkins Demonstration Forest. Call ahead to be included for lunch, 503-632-2150.
  • Read the latest issue of our bi-monthly publication, Focus on Extension highlighting Extension programs in Clackamas County. 
  • Read about plans for a new Clackamas County Extension Education Center in the 2015-2016 Extension Community Report.
  • The Food Safety and Preservation Hotline is open from July 11 - October 14, 2016. The number is 1-800-354-7319 (toll-free). The hotline is available Monday through Friday, 9:00am to 4:00pm. 


Our faculty, staff and volunteers provide:

  • Answers to questions and give advice by telephone, in person and email.

  • Informational tours, conferences, short courses, workshops and demonstrations.

  • Publications with specific research-based information on a variety of subjects.

  • Links to hundreds of research-based publications on our website.

Find us at:

200 Warner Milne Rd

Oregon City, OR 97045

503-655-8631 (phone)

503-655-8636 (fax)


Upcoming Events

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Oct. 08, 2016 9:00am - 12:00pm
Clackamas County Master Gardeners offer free 10-Minute University™ classes, soil pH testing service, educational displays, …
Oct. 28, 2016 2:00pm - 4:00pm
Last tours of the year are on Friday September 23rd and October 28th. North Willamette …
Nov. 10, 2016 (all day)
New faculty members ready to serve communities in five Oregon counties
Elementary students learn how to work through a challenge
Awardees volunteered hundreds of hours
Oregon's Agricultural Progress
The research magazine for Oregon State University Agricultural Experiment Station
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Ask an Expert
Addressing real-life questions with research-based answers... Ask an Expert at Oregon State University.
OSU Extension Catalog
The Catalog is the source for current, peer-reviewed, research-based learning materials published by OSU Extension.
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