Cowlitz County, Washington Genealogy Guide

Cowlitz County, Washington (Map It) was created on April 21, 1854 as an Original county. The county was named for the Cowlitz, an Indian tribe. The Cowlitz River was an early avenue of transportation to the Puget Sound region and on each end of the river there took place one of the two conventions that petitioned the U.S. government for Washington's territorial status, the Cowlitz Convention in 1851 and the Monticello Convention in 1852. Today the county produces and ships timber products, meals and agricultural products. Its port facilities on the Columbia River are continually growing in capacity. Learn More About State of Washington History.

Cowlitz County is bordered by Lewis County (north), Skamania County (east), Clark County (south), Columbia County, Oregon (southwest), Wahkiakum County (west).

Cowlitz County Cities and Towns include Castle Rock, Kalama, Kelso, Longview, Woodland. A Map of Cowlitz County, Washington contains detailed information about roads and boundaries, these maps may include rural communities, churches, and cemeteries.

Cowlitz County, Washington Courthouse Records

Cowlitz County, Washington Courthouse
Cowlitz County, WA Courthouse

The Cowlitz County Courthouse is located in Kelso, Washington. Past county seats were Monticello (1854-1865), Freeport (1865-1872), Kalama (1872-1922). Learn More About State of Washington Court, Tax, Land and Probate Records.

Please contact the each clerk's department to confirm mailing address, hours, fees and other information before visiting or requesting information because contact information sometimes changes.  The Clerk's Office DOES NOT DO RESEARCH.  The documents are available to interested parties, barring confidential issues.  Most staff will assist people in finding the materials, but it is up to the individual to do the research. Although originally held in the county seat, many county land, probate, and court records have been transferred to the state archive's regional branches.

The King County record dates below are from the earliest date to present time. They may include records of land, estates, taxes, vital records, divorces, naturalizations, voter registration, court records, and so forth.

  • Cowlitz County Auditor has Birth and Death Records from 1891 to 1907, Marriage Records from 1854 and Land Records from 1854. The County Auditor has many responsibilities which include the recording of real property documents such as deeds and other recorded documents, issuing various licenses such as marriage liscense.
  • Cowlitz County Clerk has Court Records from 1860 and Probate Records from 1872. The County Clerk is the administrator of the Superior Court Clerk's Office. The Clerk's Office is responsible for keeping the permanent records of all cases filed in Superior Court. The type of cases filed are felony criminal cases, civil lawsuits, petitions for protection from domestic violence, family law matters (dissolutions 3rd Party Custody, parenting plans, modifications) probates, guardianships, Last Will & Testaments, paternities, adoptions and mental commitments. For judicial purposes, many of the Washington counties were attached to other counties.
  • Cowlitz County Treasurer is the property tax collector for the County. Property Taxes are levied on the property by the various taxing authorities based on the valuation and current property usage as set by the Assessor's Office.
  • The Cowlitz County Health Department can issue Birth, Marriage and Death certificates while you wait.

Cowlitz County, Washington Census Records

Cowlitz County, Washington Vital Records

Cowlitz County, Washington Resources

Cowlitz County, Washington External Links