Ocosta, WA Public Records
Ocosta is an unincorporated community (a census-designated place) in Grays Harbor County, Washington, with an estimated population of 235 (U.S. Census Bureau, 2020–2024 American Community Survey) and 3.0 square miles of land.
🏢 Local Government for Ocosta
Ocosta is not an incorporated city or town, so it has no city hall, town clerk or local government of its own. Local government services and records for Ocosta come from Grays Harbor County. Birth and death certificates, marriage records, deeds and court files come from the county and state offices below.
Population figure: U.S. Census Bureau, 2020–2024 American Community Survey 5-year estimate for the Ocosta census-designated place (a statistical area, not a government).
↑ Back to record types🏛️ County Courthouse & Records Office for Ocosta
Ocosta is in Grays Harbor County. In Washington, deeds, mortgages and other land records are recorded by the County Auditor or county recording office. Divorce cases in Washington are heard by the Superior Court in each county. Wills and estates in Washington are handled by the Superior Court in each county.
📍 Grays Harbor County at a Glance
| County | Grays Harbor County |
| County population (2024 est.) | 77,893 Source: www2.census.gov ↗ |
⚖️ Grays Harbor County Superior Court
| Address | 102 W Broadway Ave, Room 305, Montesano, WA 98563-3621 |
| Directions | Get directions ↗ |
| Phone | (360) 249-5311 |
| Hours | Not stated |
| Records available | Superior court cases (civil, felony criminal, family, probate, juvenile) |
| Official website | co.grays-harbor.wa.us |
| Sources | courts.wa.gov/…/274.html ↗ |
| Last verified | October 16, 2026 |
📜 Grays Harbor County Clerk
| Address | 102 W Broadway Ave, Rm 203, Montesano, WA 98563-3621 |
| Directions | Get directions ↗ |
| Phone | (360) 249-3842 |
| Hours | Not stated |
| Records available | Superior court case files and records (the County Clerk is the clerk of the Superior Court) |
| Official website | co.grays-harbor.wa.us |
| Sources | courts.wa.gov/…/274.html ↗ |
| Last verified | October 16, 2026 |
See the full Grays Harbor County records page →
↑ Back to record types📋 Where to Get Records for Ocosta
Where to get the most-requested public records for people and property in Ocosta, WA:
📋 Ocosta Records Guide
| Birth & death certificates | Washington State Department of Health – Vital RecordsCertified birth and death certificates for Washington are issued by the state vital records office; in some places a county or local office can also issue copies. |
| Deeds & property records | In Washington, deeds, mortgages and other land records are recorded by the County Auditor or county recording office. |
| Court cases & divorce | Grays Harbor County courthouse. Divorce cases in Washington are heard by the Superior Court in each county. |
| Wills & estates | Wills and estates in Washington are handled by the Superior Court in each county. |
| State court system | Washington Courts |
| Sex offender registry | Washington Sex Offender Information (WASPC) |