Marriage License Information for Benton County, Washington

Below is all of the marriage license information you need in order to file in the county you will be married in. Please note that we have provided links to your county clerk’s official website as well as a link to the marriage license application form you will file.

Office Address Kennewick Auditor's Office 620 Market St Prosser WA 99350 Office Hours Monday - Friday: 8:00 a.m. - 4:30 p.m.

Office Phone (509)786-5620

Useful Links County Website Marriage License Form

Is a Blood Test Required?
No

Does one of us need to go in person to apply?
Both of you

How much is it?

$64 Cash Only

What do I need to bring?

Certified birth certificate, valid U.S. Government issued pictured ID card and valid Social Security CARD

How To Apply:

Both applicants must have a current photo ID as proof of your age and identity. Blood tests and physical exams are not required to obtain a marriage license. Applicants do not have to be residents of the State of Washington to obtain a marriage license. The license is only valid for weddings that are performed within the State of Washington. Proof of divorce from a previous spouse, or death of a spouse, is not required to obtain a marriage license. It is the responsibility of the applicant to ensure that the final decree of divorce is filed before applying for a new marriage license.

When does It Expire:

After 60 days

Name Change:
Filing for a marriage license in the state of Washington does not cause your or your spouse’s last name to automatically change. Married name change services are available to guide you through the married name change process if you opt to change your name.

Same Sex Couple:
Use this online resource for more information about your state’s marriage legislation.