We’re out there serving Oregon. And here for you.
The OSU Extension Service is partnering with people in every county — providing information and expertise to help meet local challenges and help every Oregonian thrive.
Our programs, partnerships and volunteer opportunities are focused on:
- Agriculture, food security and gardening
- Lifelong health and well-being
- Resilient and productive ecosystems
- Youth outreach and education
What can we help you learn?
Find events near you
We have events across Oregon. Browse events in your county or by topic.
Central Oregon Agricultural Research and Extension Center
Jefferson County - Central Oregon Agricultural Research and Extension Center
850 NW Dogwood Ln
Madras, OR 97741
United States
Columbia County
Columbia County
505 North Columbia River Highway
St Helens, OR 97051
United States
Confederated Tribes of Warm Springs
Confederated Tribes of Warm Springs
1110 Wasco St, PO Box 430
Warm Springs, OR 97761
United States
Douglas County
Douglas County
1134 SE Douglas Ave, PO Box 1165
Roseburg, OR 97470
United States
- Office: 541-672-4461
- Master Gardeners: 541-236-3052
Hermiston Agricultural Research and Extension Center
Umatilla County - Hermiston Agricultural Research and Extension Center
2121 South 1st Street
Hermiston, OR 97838
United States
Hood River County
Hood River County
2990 Experiment Station Drive
Hood River, OR 97031
United States
Klamath Basin Research and Extension Center
Klamath Basin Research and Extension Center
6923 Washburn Way
Klamath Falls, OR 97603
United States
Lane County
Lane County
996 Jefferson Street
Eugene, OR 97402
United States
- Office: 541-344-5859
- Master Gardeners: 541-344-0265
- Master Food Preservers: 541-344-4885
- 4-H Youth: 541-344-5043
- Nutrition Education: 541-344-0249
Lincoln County
Lincoln County
1211 SE Bay Boulevard
Newport, OR 97365
United States
- Office: 541-574-6534
- Master Gardeners: 541-574-6534 x57414
- Office fax: 541-265-3887
Marion County
Marion County
1320 Capitol St NE, Suite 110
Salem, OR 97301
United States
- Master Gardener Help Desk 503-373-3770
Mid-Columbia Agricultural Research and Extension Center
Hood River County - Mid-Columbia Agricultural Research and Extension Center
3005 Experiment Station Dr
Hood River, OR 97031
United States
North Willamette Research and Extension Center
Marion County - North Willamette Research and Extension Center
15210 NE Miley Rd
Aurora, OR 97002
United States
Portland Metro Area
Multnomah County - Portland Metro Area
3880 SE 8th Avenue, #170-180
Portland, OR 97202
United States
Southern Oregon Research and Extension Center
Jackson County - Southern Oregon Research and Extension Center
569 Hanley Rd
Central Point, OR 97502
United States
- Extension: 541-776-7371
- Research: 541-772-5165
Umatilla County
Umatilla County
2411 NW Carden Ave, Umatilla Hall, PO Box 100
Pendleton, OR 97801
United States
- Umatilla County Extension Office 541-278-5403
- Umatilla County 4-H Program 541-278-5404
Umatilla County Extension, Milton-Freewater
Umatilla County Extension, Milton-Freewater
418 N Main St
Milton-Freewater, OR 97862
United States
Wasco County
Wasco County
400 E Scenic Dr Suite 2.278
(Building 2, Level 2)
The Dalles, OR 97058
United States
Washington County
Washington County
1815 NW 169th Place
Suite 1000
Beaverton, OR 97006
United States
Yamhill County
Yamhill County
2050 Lafayette Ave
McMinnville, OR 97128
United States
- Office: 503-434-7517
- Toll Free: 503-434-7517
Garden Book Bash
CORE Pesticide Applicator Videoconference Training
Statewide CORE Videoconference Course
Malheur County CORE Pesticide Training
Featured Content
Have a Question? Ask an Expert!
Ask an Expert is a way for you to get answers from the Oregon State University Extension Service. We have experts in family and health, community development, food and agriculture, coastal issues, forestry, programs for young people, and gardening.
OSU Extension Fast Facts
Photo by Stephen Ward
You can make a difference
Extension volunteers help us serve communities across Oregon. Master-level volunteers are trained by university experts and in turn dedicate their time to teaching and enriching their communities.
News
Researchers identify successful biological control for destructive fruit fly
Chris Branam | Dec 10, 2019 | News Story
Christmas tree shopping season is beginning to look a lot like 2018
Chris Branam | Nov 25, 2019 | News Story
Dig into hundreds of publications from OSU Extension online catalog
Kym Pokorny | Nov 22, 2019 | News Story
Our Impact
We partner with communities across Oregon to tackle complex problems that require Oregon State University's world-leading expertise. With an established and trusted presence in every county, we provide access to research, expertise and relationships essential for Oregon's social, economic and environmental needs.
STEM Beyond School excites students with hands-on experiences
Children in the United States don’t get enough education in science, technology, engineering, and math (STEM) to compete in today’s world. In response, OSU Extension 4-H Youth Development worked with the Portland Metro STEM Partnership to develop STEM Beyond School, a statewide out-of-school program for students in the third through eighth grades.