Washington County, Idaho Genealogy Guide2016-07-01T23:15:50+00:00

Washington County, Idaho Genealogy Guide

Washington County, Idaho (Map It) was created on February 20, 1879 from Ada County. Washington County was named in honor of George Washington (1732-1799), first President of the United States (1789-1797). Learn More About State of Idaho History

Washington County is bordered by  Adams County (north), Gem County (east), Payette County (south), Malheur County, Oregon (southwest), Baker County, Oregon (west).

Washington County Cities and Towns include Cambridge, Midvale, Weiser.

Washington County, Idaho Courthouse Records

Washington County, Idaho Courthouse
Washington County, ID Courthouse

The Washington County Courthouse is located in Weiser, Idaho. Learn More About State of Idaho 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.

The following dates indicates what vital, land, probate, and court records are in Washington county. The date listed for each category of record is usually the earliest registration filed. The earliest date does not indicate that there are numerous records for that year and does not mean that all such events were actually registered.

  • Washington County Clerk, Auditor, Recorders Office has Marriage Records from 1879, Land Records from 1873, Probate Records from 1878 and Court Records from 1880. The Recorder is responsible to keep records of all documents recorded in Adams County. Additionally, the Recorder’s office provides marriage licenses, processes passports and records land documents, including plat maps, surveys, easements, assertions of right-of-way, and some types of liens.

Washington County, Idaho Census Records

Washington County, Idaho Vital Records

Washington County, Idaho Resources

Washington County, Idaho External Links

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