Contact Us
Animal Control animal.control@co.benton.wa.us
The mission of the Benton County Animal Control Facility is to balance the health, safety and welfare needs of people and dogs within the unincorporated areas of Benton County.

Office Location Mailing Address Telephone Number Fax Number
1116 N. Grant Place
Kennewick, WA 99336
1116 N. Grant Place
Kennewick, WA 99336
(509) 460-4923 (509) 222-3771
 

     
Assessor assessor@co.benton.wa.us
Determine the value of all taxable real and personal property. Property ownership, legal description, location, tax code area. Senior citizen’s tax reduction. Information on the levy amount for all taxing districts.
 
Office Location Mailing Address Telephone Number Fax Number
620 Market St
Prosser, WA 99350


7122 W. Okanogan Place
Building A
Kennewick, WA 99336
P.O. Box 902
Prosser, WA 99350

7122 W. Okanogan Place
Building A
Kennewick, WA 99336
(509) 786-2046
(509) 736-3088

(509) 735-2394
(509) 786-5657


(509) 736-2736

 
     
Auditor auditor@co.benton.wa.us
Auto license tabs, vehicle titles and transfers. Recording of all documents. Elections department and voter registration. Accounting department audits all county bills and payroll. County budget information.

Office Location Mailing Address Telephone Number Fax Number
620 Market St
Prosser, WA 99350
P.O. Box 470
Prosser, WA 99350
(509) 786-5620
(509) 786-5614 License
(509) 786-5618 Elections
(509) 786-5616 Recording
(509) 786-5620 Accounting
(509) 786-5528
(509) 736-2700
(509) 786-5481 Accounting
5600-B W. Canal Drive, A103
Kennewick, WA 99336
5600-B W. Canal Drive, A103
Kennewick, WA 99336
(509) 736-2727 (509) 736-2738
101 Wellsian Way, Suite E
Richland, WA 99352
101 Wellsian Way, Suite E
Richland, WA 99352
(509) 222-3736 (509) 460-5023

 
     
Board of Equalization
  peggy.brown@co.benton.wa.us
Reviews petitions of assessed property values on residential, commercial farm, agricultural and open space.

Office Location Mailing Address Telephone Number Fax Number
620 Market St
Prosser, WA 99350
P.O. Box 509
Prosser, WA 99350
(509) 786-5604
(509) 736-3089
(509) 786-5625

 
     
Building
steve.brown@co.benton.wa.us
Building and mobile home permits and inspections, zoning violations and county fire marshal.

Office Location
Mailing Address
Telephone Number
Fax Number
5600-C West Canal Drive, A105
Kennewick, WA 99336
5600-C West Canal Drive, A105
Kennewick, WA 99336
(509) 735-3500
(509) 786-5622

(509) 736-2732


 
     
Information Technology
formerly known as Central Services
central.services@co.benton.wa.us
Information technology and telecommunications support for county offices.

Office Location
Mailing Address
Telephone Number
Fax Number
620 Market St
Prosser, WA 99350
P.O. Box 608
Prosser, WA 99350
(509) 786-5603
(509) 736-3083
(509) 786-5601

 
     
Civil Service tammy.dufault@co.benton.wa.us
Civil Service is charged with the recruitment, testing, hiring, and promotion of all Sheriff’s Office Employees under RCW 41.14. Located inside the Personnel office.

Office Location
Mailing Address
Telephone Number
Fax Number
7122 W. Okanogan Place
Building A
Kennewick, WA 99336
7122 W. Okanogan Place
Building A
Kennewick, WA 99336
(509) 737-2777 (509) 737-2778


     
Clerk clerk@co.benton.wa.us
Ex-officio Clerk of the Superior Court. Jury duty, passports. Handles probate, adoption, guardianships, paternities, dependencies, juvenile, civil and criminal records for the Superior Court.

Office Location Mailing Address Telephone Number Fax Number
7122 W. Okanogan Place
Building A
Kennewick, WA 99336
7122 W. Okanogan Place
Building A
Kennewick, WA 99336
(509) 735-8388  
620 Market St
Prosser, WA 99350
7122 W. Okanogan Place
Building A
Kennewick, WA 99336

(509) 786-5624  
 

     
Commissioners commissioners@co.benton.wa.us
Administrative office of the County.

Office Location
Mailing Address
Telephone Number
Fax Number
620 Market St
Prosser, WA 99350
P.O. Box 190
Prosser, WA 99350
(509) 786-5600
(509) 736-3080
(509) 786-5625
 

     
Coroner      
Record all deaths in the County. Investigates deaths from violence, sudden deaths without warning, or where the decedent was not being treated by a physician within 36 hours prior to death.

Office Location Mailing Address
Telephone Number Fax Number
7122 W. Okanogan Place
Building A
Kennewick, WA 99336
7122 W. Okanogan Place
Building A
Kennewick, WA 99336
(509) 736-2720 (509) 222-3711
 

     
District Court district.court@co.benton.wa.us
Traffic tickets, small claims & civil cases, misdemeanor criminal charges.

Office Location
Mailing Address Telephone Number Fax Number
7122 W. Okanogan Place
Building A
Kennewick, WA 99336
7122 W. Okanogan Place
Building A
Kennewick, WA 99336
(509) 735-8476
(509) 786-5602
(509) 736-3069
620 Market St
Prosser, WA 99350
620 Market St
Prosser, WA 99350
(509) 786-5480 (509) 786-5484
 

     
District Court Probation  dc.probation@co.benton.wa.us
 
Office Location Mailing Address Telephone Number Fax Number
7122 W. Okanogan Place
Building A
Kennewick, WA 99336
7122 W. Okanogan Place
Building A
Kennewick, WA 99336
(509) 735-8476 (509) 736-3890


     
Emergency Services
     
Minimize the impact of disasters on the people, property, economy and environment of Benton County, through comprehensive disaster planning, preparedness education, training and resource coordination.

Office Location
Mailing Address
Telephone Number
Fax Number
651 Truman Avenue
Richland, WA 99352
651 Truman Avenue
Richland, WA 99352
(509) 628-2600 (509) 628-2621
 

     
Facilities
     
Responsible for the physical environment of all Benton County Facilities.

Office Location
Mailing Address
Telephone Number
Fax Number
7122 W. Okanogan Place
Building A
Kennewick, WA 99336
7122 W. Okanogan Place
Building A
Kennewick, WA 99336
(509) 783-3118 (509) 736-2708
 

     
Fairgrounds  john.donley@co.benton.wa.us
The Benton County Fairgrounds is a multipurpose, county owned facility which is perfect for meetings, trade shows, livestock events, RV rallies, concerts, sporting events, day camps and weddings...a place for all kinds of activities! The 126-acre site is beautifully landscaped with mature trees and established lawn.
Office Location
Mailing Address Telephone Number Fax Number
1500 S Oak, Bldg. #20
Kennewick, WA 99336
1500 S Oak, Bldg. #20
Kennewick, WA 99336
(509) 222-3751
(509) 582-1894





Geographic Information Systems
gis@co.benton.wa.us
Responsible for the development and maintenance of the County’s digital map database.

Office Location
Mailing Address
Telephone Number
Fax Number
620 Market St
Prosser, WA 99350
620 Market St
Prosser, WA 99350
(509) 786-5485 (509) 786-5486



 

Horticultural Pest & Disease Board  
hortbd@co.benton.wa.us
Maintain Benton County commerical horticulture growing areas free of pests to ensure unrestricted trade in national and international markets.

Office Location Mailing Address
Telephone Number Fax Number
1121 Dudley Avenue
Prosser, WA 99350
1121 Dudley Avenue
Prosser, WA 99350
(509) 786-5609
(509) 539-0069
(509) 786-5525
 

     
Human Services (Benton - Franklin Counties)
     
Contact management for mental health, drug and alcohol agencies.

Office Location
Mailing Address
Telephone Number
Fax Number
7102 W. Okanogan Place Suite 201
Kennewick, WA 99336
7102 W. Okanogan Place Suite 201
Kennewick, WA 99336
(509) 783-5284 (509) 783-5981
 

     
Jail
     
The jail services all law enforcement agencies in Benton County as well as outside agencies on a contractual basis.

Office Location
Mailing Address
Telephone Number
Fax Number
7122 W. Okanogan Place
Building B
Kennewick, WA 99336
7122 W. Okanogan Place
Building B
Kennewick, WA 99336
(509) 783-1451
(509) 786-5613
(509) 736-3054
 

     
Juvenile Justice juvenile.justice@co.benton.wa.us
Juvenile Court issues,  juvenile probation,  juvenile detention center.

Office Location Mailing Address Telephone Number
Fax Number
5606 W. Canal Drive, Suite 106
Kennewick, WA 99336
5606 W. Canal Drive, Suite 106
Kennewick, WA 99336
(509) 783-2151
(509) 786-5607
(509) 736-2728
 

     
Noxious Weed Control
bcnwcb@frontier.com
Control of noxious weeds.
 
     
Office Location
Mailing Address Telephone Number
Fax Number
1916 Butler Loop
Richland, WA 99354
P.O. Box 311
Prosser, WA 99350
(509) 943-6005

(509) -
 

     
Office of Public Defense opd@co.benton.wa.us
Provide quality, cost-effective, legal representation to indigent and other qualified persons charged with criminal offenses, or otherwise facing potential incarceration, so as to protect their Constitutional and other legal rights, educate them about the criminal justice system, and champion the interests of justice.
 
Office Location
Mailing Address
Telephone Number
Fax Number
7122 W. Okanogan Place
Building A
Kennewick, WA 99336
7122 W. Okanogan Place
Building A
Kennewick, WA 99336
(509) 222-3700
(509) 222-3717
 

     
Parks
parks@co.benton.wa.us
Maintain County-managed parks.

     
Office Location
Mailing Address
Telephone Number
Fax Number
7122 W. Okanogan Place
Building A
Kennewick, WA 99336
7122 W. Okanogan Place
Building A
Kennewick, WA 99336
(509) 783-3118
(509) 531-7016
Horn Rapids Park
(509) 531-7106
Two Rivers Park

(509) 736-2708
 

     
Personnel Resources
personnel@co.benton.wa.us
The administrative department of the County concerned with applicant, employee and general human resource matters.

Office Location Mailing Address
Telephone Number
Fax Number
7122 W. Okanogan Place
Building A
Kennewick, WA 99336
7122 W. Okanogan Place
Building A
Kennewick, WA 99336
(509) 737-2777

(509) 737-2778
 

     
Planning
planning.department@co.benton.wa.us
County addressing system. Land development issues, comprehensive plan, long plats, short plats, etc. Land zoning, shorelines management.

Office Location
Mailing Address
Telephone Number
Fax Number
1002 Dudley Avenue
Prosser WA 99350
P.O. Box 910
Prosser WA 99350
(509) 786-5612
(509) 736-3086
(509) 786-5629
 

     
Prosecuting Attorney
prosecuting@co.benton.wa.us
Legal advisor for the County, prosecutor of criminal matters, representative of the County in civil cases, enforce child support.

Office Location Mailing Address
Telephone Number
Fax Number
7122 W. Okanogan Place
Building A
Kennewick, WA 99336
7122 W. Okanogan Place
Building A
Kennewick, WA 99336
(509) 735-3591
(509) 735-7316
Child Support Div.
(509) 736-3066
620 Market St
Prosser, WA 99350
620 Market St
Prosser, WA 99350
(509) 786-5608  
 

     
Public Works
publicworks@co.benton.wa.us
County road maintenance, road and bridge construction, County Road Right of Way Records. Storage and copying of all recorded subdivisions and County maps. Equipment maintenance and vehicle rental.

Office Location
Mailing Address
Telephone Number
Fax Number
620 Market St
Prosser, WA 99350
P.O. Box 1001
Prosser, WA 99350
(509) 786-5611
(509) 736-3084
(509) 786-5627
 

     
Sheriff      
Law enforcement officer of the County. Arrests and jails persons who break the peace, serves subpoenas and other court documents on defendants in legal actions.

Office Location
Mailing Address
Telephone Number
Fax Number
7122 W. Okanogan Place
Building B
Kennewick, WA 99336
7122 W. Okanogan Place
Building B
Kennewick, WA 99336
(509) 735-6555 (509) 783-5852
620 Market St
Prosser, WA 99350
  (509) 786-5615 (509) 786-5488

 

 

     
Solid Waste
grant.dejongh@co.benton.wa.us
Disposal of recyclable and hazardous material. Creates and administers recycling programs within Benton County, coordinates programs with cities and schools.

Office Location
Mailing Address
Telephone Number
Fax Number
620 Market St
Prosser, WA 99350
P.O. Box 110
Prosser, WA 99350
(509) 786-5611
(509) 736-3084
(509) 786-5627
 

     
Substance Abuse Assessment Center
       
Office Location
Mailing Address
Telephone Number
Fax Number
2635 W. Deschutes Avenue
Kennewick, WA 99336
2635 W. Deschutes Avenue
Kennewick, WA 99336
(509) 735-2704 (509) 783-9129
 

     
Superior Court pat.austin@co.benton.wa.us
Status of trial dates, request transcript of court hearings for cases filed in Benton or Franklin Counties.

Office Location
Mailing Address
Telephone Number
Fax Number
7122 W. Okanogan Place
Building A
Kennewick, WA 99336
7122 W. Okanogan Place
Building A
Kennewick, WA 99336
(509) 736-3071 (509) 736-3057
 

     
Sustainable Development
adam.fyall@co.benton.wa.us
Hanford issues, Natural Resource Projects and Economic Development.

Office Location
Mailing Address
Telephone Number
Fax Number
7122 W. Okanogan Place
Building A
Kennewick, WA 99336
7122 W. Okanogan Place
Building A
Kennewick, WA 99336
(509) 736-3053 (509) 736-2708
 

     
Treasurer treasurer@co.benton.wa.us
Real, Personal Property and Excise Tax collection, general receipting, investments; petition for refunds.

Office Location
Mailing Address
Telephone Number Fax Number
620 Market St
Prosser, WA 99350
P.O. Box 630
Prosser, WA 99350
(509) 786-2255
(509) 736-3087
(509) 786-5628
5600 W. Canal Drive Ste A
Kennewick, WA 99336
5600 W. Canal Drive Suite A Kennewick, WA 99336 (509) 735-8505 (509) 736-2705
 

     
WSU Benton County Extension
prosserext@co.benton.wa.us
Information and education programs in agriculture & natural resources.

Office Location
Mailing Address
Telephone Number Fax Number
1121 Dudley Avenue
Prosser, WA 99350
1121 Dudley Avenue
Prosser, WA 99350
(509) 786-5609 (509) 786-5525
5600-E W. Canal Drive, A104
Kennewick, WA 99336
5600-E W. Canal Drive, A104
Kennewick, WA 99336
(509) 735-3551
(509) 736-2726
Master Gardener
(509) 736-2731
 

     
       
       
       
       




 

       
       
       

       
      Benton County    620 Market Street    Prosser, Washington 99350
      Phone: (509) 786-5710 or (509) 783-1310
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