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Benton and Franklin Counties total just over 3000 square miles.   To accommodate this vast area, we offer three office locations for the convenience of our communities.  Our Faculty and Staff work together to provide Extension programs and expertise to all community members and the agriculture industry in Benton and Franklin Counties, as well as surrounding areas and across the state.


Benton County

7102 W. Okanogan Place, Suite 102
Kennewick, WA 99336

fax:  509-736-2731
Email us

Hours:  8:00am – 4:00pm
(Closed for lunch 12:00pm – 1:00pm)
Monday – Friday

Faculty & Staff

Gwen Hoheisel
County Director

Lizann Powers Hammond
Food & Nutrition Specialist

Don Llewellyn
Livestock Specialist

Emmanuel Osafo
Volunteer Outreach Specialist

Eileen Hewitt
Office Manager


Benton County

Benton County Courthouse exterior***We’ve moved!!***
Our Prosser office is now located on the first floor of the Benton County Courthouse.

620 Market Street
Prosser, WA 99350-1320

fax: 509-786-5525
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Hours:  8:30am – 4:30pm
(Closed for lunch 12:00pm – 12:30pm)
Tuesday – Thursday

Faculty & Staff

Gwen Hoheisel
County Director
Tree Fruit & Viticulture Specialist

Jodi Elston
Office Manager



Franklin County

404 W. Clark
Pasco, WA 99301

fax: 509-545-2130
Email us

Hours: 8:30am – 5:00pm
Monday – Friday

Faculty & Staff

Tim Waters
County Director

4-H Program Coordinator

AnaMaria Diaz-Martinez
Family Specialist

Steve Norberg
Forage Specialist

Josefina Contreras
Office Manager

Rosa Barrios
Office Assistant