Benton County Small Claims Court

How to file a small claims case in Benton County, WA. Courthouse locations, hours, fees, and filing options for the Prosser area.

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E-Filing

✓ Available

File your claim online — no trip to file

Max Claim

$10,000

Courts (2)

2 courthouses

Main Courthouse

Benton County Justice Center (Kennewick Office)

7122 W Okanogan Place, Ste A110

Kennewick, WA 99336

Phone: (509) 735-8476Hours: Monday - Friday, 8:00 AM to 4:00 PM

Other Courthouse Locations

Benton County Courthouse (Prosser Office)

620 Market Street

Prosser, WA 99350

Serves: Prosser and surrounding areas within Benton County

Phone: (509) 786-5710Hours: Monday - Friday, 8:00 AM to 4:00 PM
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How to File in Benton County

E-filing available

This county accepts electronic filing for small claims cases.

File in person

Bring your completed forms to the courthouse clerk during business hours. Pay the filing fee by cash, check, or credit card.

File by mail

Most small claims courts accept filing by mail — check with this courthouse first. Typically you mail your completed forms with the filing fee (check or money order) plus a self-addressed stamped envelope for your returned copies.

Ready to get your money back?

A demand letter often settles disputes before a case is ever filed — and it only takes a few minutes.

Read the demand letter guide

For statewide rules including filing limits, statutes of limitations, and court procedures, see the full Washington small claims court guide →

Data verified May 6, 2026.