Lake St. Clair, MO Public Records
Lake St. Clair is an unincorporated community (a census-designated place) in Franklin County, Missouri, with an estimated population of 872 (U.S. Census Bureau, 2020–2024 American Community Survey) and 0.7 square miles of land.
🏢 Local Government for Lake St. Clair
Lake St. Clair 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 Lake St. Clair come from Franklin County and from the township or town government whose territory includes it. 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 Lake St. Clair census-designated place (a statistical area, not a government).
↑ Back to record types🏛️ County Courthouse & Records Office for Lake St. Clair
Lake St. Clair is in Franklin County. In Missouri, deeds, mortgages and other land records are recorded by the county Recorder of Deeds. Divorce cases in Missouri are heard by the Circuit Court in each county. Wills and estates in Missouri are handled by the Probate Division of the Circuit Court in each county.
📍 Franklin County at a Glance
| County | Franklin County |
| County population (2024 est.) | 107,256 Source: www2.census.gov ↗ |
⚖️ Franklin County Judicial Center (20th Judicial Circuit)
| Address | 401 East Main Street, Union, MO 63084 |
| Directions | Get directions ↗ |
| Phone | (636) 583-7391 |
| Hours | 8 a.m. to 4:30 p.m. Monday through Friday, excluding state holidays |
| Records available | Circuit court case records (civil, criminal, family, probate, small claims, traffic); the Circuit Clerk keeps the court files |
| Official website | Not stated |
| Sources | courts.mo.gov/…/getCountyCourtData.htm ↗ |
| Last verified | October 16, 2026 |
See the full Franklin County records page →
↑ Back to record types📋 Where to Get Records for Lake St. Clair
Where to get the most-requested public records for people and property in Lake St. Clair, MO:
📋 Lake St. Clair Records Guide
| Birth & death certificates | Missouri Department of Health and Senior Services – Vital RecordsCertified birth and death certificates for Missouri are issued by the state vital records office; in some places a county or local office can also issue copies. |
| Deeds & property records | In Missouri, deeds, mortgages and other land records are recorded by the county Recorder of Deeds. |
| Court cases & divorce | Franklin County courthouse. Divorce cases in Missouri are heard by the Circuit Court in each county. |
| Wills & estates | Wills and estates in Missouri are handled by the Probate Division of the Circuit Court in each county. |
| State court system | Missouri Courts |
| Sex offender registry | Missouri Sex Offender Registry (Missouri State Highway Patrol) |