How to Search San Mateo County, California Records (Start Here)
San Mateo County, California — Superior Court for all case types. Check whether the Assessor and Recorder are combined or in this county.
- Superior Court — civil, criminal, family, probate, traffic.
- Property: County Assessor for values. Clerk-Recorder (or Recorder) for deeds and recorded documents.
- No free statewide search in California. Live Scan through CA DOJ for full background.
Each source below is verified and links to an official portal.
Criminal & Court Records
Court Records
Visit →Criminal & Court Records
Official Free
Search this San Mateo County Superior Court database of Civil, Family Law, Probate, Small Claims and Criminal cases by name or case number.
Court Records
Visit →Criminal & Court Records
Official Free
Search this San Mateo County Superior Court database of Civil, Small Claims, Family Law, Probate cases by case number, name, calendar, or master name.
PACER Federal Courts
Visit →Criminal & Court Records
.gov
Federal court electronic records (Public Access to Court Electronic Records).
pacer.gov
Jail & Inmate Records
National Sex Offender Registry
Visit →Jail & Inmate Records
.gov
Dept. of Justice national sex offender public website.
nsopw.gov
Property & Tax Records
Property | Secured Tax
Visit →Property & Tax Records
Official Free
San Mateo county Treasurer-Tax Collector real property (secured) tax records.
Property | Unsecured Tax
Visit →Property & Tax Records
Official Free
San Mateo County personal (unsecured) property tax roll.
Recorded Documents
Visit →Property & Tax Records
Official Free
Search this database of the San Mateo County Assessor, Clerk-Recorder's office for recorded documents (deeds, mortgages, liens, etc.) by name of grantor or grantee to receive document numbers, descriptions and recording dates.
Voter Registration
Visit →Property & Tax Records
Official Free
Check your voter registration in San Mateo County.
BLM General Land Office Records
Visit →Property & Tax Records
.gov
U.S. Bureau of Land Management federal land records.
glorecords.blm.gov
Birth/Death/Marriage
California Vital Records
Visit →Birth/Death/Marriage
.gov
California birth, death, marriage records.
cdph.ca.gov
FamilySearch US Records
Visit →Birth/Death/Marriage
Free U.S. genealogy and vital records (non-profit).
familysearch.org
Business, Voter & Other
San Mateo County
Visit →Business, Voter & Other
Official Free
San Mateo County, California official page for county government services, department directory, calendar, budget, helpline, Board of Supervisors meetings and agendas, ordinances, and more.
California Business Search
Visit →Business, Voter & Other
.gov
California SOS business entity search.
bizfileonline.sos.ca.gov
USCIS Business Verification
Visit →Business, Voter & Other
.gov
US Citizenship & Immigration Services.
uscis.gov
Court Records
Visit →Criminal & Court Records
Official Free
Search this San Mateo County Superior Court database of Civil, Family Law, Probate, Small Claims and Criminal cases by name or case number.
Court Records
Visit →Criminal & Court Records
Official Free
Search this San Mateo County Superior Court database of Civil, Small Claims, Family Law, Probate cases by case number, name, calendar, or master name.
Property & Tax Records
Property | Secured Tax
Visit →Property & Tax Records
Official Free
San Mateo county Treasurer-Tax Collector real property (secured) tax records.
Property | Unsecured Tax
Visit →Property & Tax Records
Official Free
San Mateo County personal (unsecured) property tax roll.
Recorded Documents
Visit →Property & Tax Records
Official Free
Search this database of the San Mateo County Assessor, Clerk-Recorder's office for recorded documents (deeds, mortgages, liens, etc.) by name of grantor or grantee to receive document numbers, descriptions and recording dates.
Voter Registration
Visit →Property & Tax Records
Official Free
Check your voter registration in San Mateo County.
Business, Voter & Other
San Mateo County
Visit →Business, Voter & Other
Official Free
San Mateo County, California official page for county government services, department directory, calendar, budget, helpline, Board of Supervisors meetings and agendas, ordinances, and more.
Frequently Asked Questions
Who handles court records in San Mateo County? ▼
Go to the Clerk of the Superior Court for court records in San Mateo County. Start at the Clerk of the Superior Court's office for case lookups — California has no statewide court search portal.
Who handles property records in San Mateo County? ▼
For deeds, mortgages, and liens, go to the County Recorder. For property values and assessment data, go to the County Assessor. For tax bills and payments, go to the Tax Collector-Treasurer.
How do I get birth, death, or marriage records in San Mateo County? ▼
Marriage licenses in San Mateo County are issued by the County Clerk. Birth and death certificates are available from County Recorder (local) / CDPH (state). Divorce records come from the court that granted the decree.
Are San Mateo County records available online? ▼
San Mateo County has partial online coverage — 6 databases are listed on this page, covering court records, property records, and business filings. Other record types may require an in-person visit or written request.
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