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Contact Us

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


Benton County

Benton County Courthouse exterior

620 Market Street
Prosser, WA 99350-1320

fax: 509-786-5525
Email us

Hours:  8:30am – 4:30pm
(Closed for lunch 12:00pm – 12:30pm)
Tuesday – Thursday


Franklin County

404 W. Clark
Pasco, WA 99301

fax: 509-545-2130
Email us

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

Faculty & Staff

Gwen Hoheisel
County Director

Lizann Powers Hammond
Food & Nutrition Specialist

Don Llewellyn
Livestock Specialist

Shannon Horne
Master Gardener Program Coordinator

Eileen Hewitt
Office Manager

Nancy Cabbage
Office Assistant

Faculty & Staff

Gwen Hoheisel
County Director
Tree Fruit & Viticulture Specialist

Jodi Elston
Office Manager


Faculty & Staff

Tim Waters
County Director

Terri Bevan-Church
4-H Program Coordinator

AnaMaria Diaz-Martinez
Family Specialist

Steve Norberg
Forage Specialist

Emmanuel Osafo
Volunteer Outreach Specialist

Josefina Contreras
Office Manager

Rosa Barrios
Office Assistant