What is Extension Service?

Umatilla County's Extension Service is your front door to Oregon State University. Umatilla County Extension Office provides research-based information in three main areas: 4-H Youth Development, Master Gardeners, and Agriculture. OSU Extension Service provides other program areas: Family & Community Development, Oregon Small Farms, Energy, and Sea Grant.
For more information visit our main web site by clicking here or contact us at one of the following locations:

Extension Office Locations

Pendleton Office
The Pendleton office is the main office for Umatilla County.
2411 NW Carden
PO Box 100
Umatilla Hall (Blue Mountain Community College Campus)
Pendleton, OR 97801
Phone: (541)278-5403
Fax: 541-278-5436
Open: 8-12, 1-5


Hermiston Office HAREC
2121 S 1st St
Hermiston, OR 97838-0105
Phone: (541)567-8321
Fax: 541-567-2240
Open: 8-12, 1-5

Milton-Freewater Office
418 N Main St
Milton-Freewater, OR 97862-0905
Phone: (541)938-5597
Fax: 541-938-4097
Open: 8:00-12:00 am, Mon-Fri