Cowlitz, Washington

County Seat: Kelso · Population: 110,593

Find contact information for Cowlitz government offices in Washington. The county seat is Kelso. Below you'll find phone numbers, addresses, and websites for the assessor, treasurer, recorder, clerk, and other county departments.

County Clerk

Treasurer

207 N. 4th Ave., Room 202, Kelso, WA 98626

Mon-Fri 7 AM - 5 PM

treasurer@co.cowlitz.wa.us
Tax Due Dates

Property tax deadlines & email reminders for Cowlitz

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Local Services

Title abstractors, process servers & more for Cowlitz

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Frequently Asked Questions

How do I contact the Cowlitz Assessor?

The Cowlitz Assessor's office handles property valuations and assessments. Find their phone number and address in the Property Records section above.

Where do I pay property taxes in Cowlitz?

Property tax payments are typically handled by the Cowlitz Treasurer's office. Check the Property Records section for contact information and online payment options.

How do I get a copy of a deed in Cowlitz?

Property deeds and records are maintained by the Cowlitz Recorder or Clerk's office. You can usually request copies in person, by mail, or through their online portal.

What are the Cowlitz office hours?

Office hours vary by department. Check the specific office listing above for hours, or call ahead to confirm. Many offices are closed on weekends and holidays.

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