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Alameda County, California public records

In Alameda County, deeds are recorded by the Auditor-Controller/Clerk-Recorder; property values come from the Alameda County Assessor; court files are split between the Superior Court of California, County of Alameda: Civil Records and the Superior Court of California, County of Alameda: Criminal Divisions.

Last checked against official sources on .

On this page
  1. Where to get each record
  2. Deeds and land records
  3. Property values, owners and tax bills
  4. Court records: which clerk keeps which case
  5. Marriage records
  6. Divorce records
  7. Birth certificates
  8. Death certificates
  9. Probate records and wills
  10. Business names (DBA)
  11. Voter records
  12. Historical records
  13. Good to know about Alameda County records
  14. Office addresses, phones and hours
  15. Records that are not online: public records requests
  16. Questions people ask
  17. Official copies vs look-alike sites
  18. Sources

Where to get each record

RecordOfficeSearch onlineFee
Deeds and land recordsAuditor-Controller/Clerk-Recorder4Search deeds2$3.50 per page3
Property values and ownersAlameda County Assessor5Property search6—
Property tax billsTreasurer-Tax Collector7Tax bill search8—
Court casesSuperior Court of California, County of Alameda: Civil Records9
Superior Court of California, County of Alameda: Criminal Divisions9		Superior Court9
Superior Court9		$0.50 per page copy; $25 certification; $15 for each search longer than 10 minutes10
Marriage recordsClerk-Recorder's Office4—$21.00 per certified copy11
Divorce recordsSuperior Court: Family Law12Search divorce records9$15 for a certified copy of a dissolution record (any applicant other than a public agency)10
Birth certificatesClerk-Recorder's Office14—$36.00 per copy13
Death certificatesClerk-Recorder's Office14—$28.00 per copy13
Probate and willsSuperior Court: Probate15Search probate cases9—
Business names (DBA)Clerk-Recorder's Office4Search business names16—

Deeds and land records

Deeds, mortgages and other land documents for property in Alameda County are recorded by the Auditor-Controller/Clerk-Recorder (Clerk-Recorder's Office).4

Who runs it
Aumentum Recorder (Harris Recording Solutions)17
Years online
1969 to present18
Copy fee
$3.50 per page3
Certified copy fee
$4.50 for first page, $3.50 for each additional page19
How to order
Online, by mail, or in person; an instrument number or book and page or reel and image number is required19
Pre online
Before 1969: microfilm, hand search at the office18

How deeds work in California

Property values, owners and tax bills

The Alameda County Assessor sets property values5; the Treasurer-Tax Collector (Property Tax Collection) bills and collects the tax7.

Property search
acassessor.org/…6
Parcel map (GIS)
acassessor.org/…20
Assessor records
Viewing at self-service public computers; property characteristics sold for a fee22

How property tax works in California

Court records: which clerk keeps which case

CourtCasesRecords kept byCase search
Superior Court (civil, family, probate, mental health, CARE)Civil, Family, Probate, Mental Health, CARE23Superior Court of California, County of Alameda: Civil Recordseportal.alameda.courts.ca.gov9
Superior Court (criminal)Criminal case information; no documents online9Superior Court of California, County of Alameda: Criminal Divisionspublicportal.alameda.courts.ca.gov/…9
Fees
$0.50 per page copy; $25 certification; $15 for each search longer than 10 minutes10
In person
Free in-person research9

Criminal records and background checks

Coverage
Many cases opened since 19749

Full Alameda County court guide: each court, its clerk, sealed records and statewide search

How California courts keep their files

Marriage records

Kept by the Clerk-Recorder's Office.4

Fee
$21.00 per certified copy11
Index from
197124

California marriage records, statewide

Divorce records

Kept by the Superior Court: Family Law.12

Fee
$15 for a certified copy of a dissolution record (any applicant other than a public agency)10

California divorce records: decree or state record

Birth certificates

Kept by the Clerk-Recorder's Office (vital records).14

Fee
$36.00 per copy13
Index from
194024
Search fee
Fee is owed whether or not the record is found13
Online fee
$2.00 per order convenience fee13

Ordering a California birth certificate

Death certificates

Kept by the Clerk-Recorder's Office (vital records).14

Fee
$28.00 per copy13
Index from
196024

Ordering a California death certificate

Probate records and wills

Kept by the Superior Court: Probate.15

Finding a will or probate case in California

Business names (DBA)

Kept by the Clerk-Recorder's Office.4

How
Online, in person, or by mail16

Voter records

Kept by the Registrar of Voters.25

Historical records

Deeds from
185319

Good to know about Alameda County records

  • Auditor-Controller and Clerk-Recorder are one agency4
  • Official records date back to 185319
  • Vital record indexes are no longer online24
  • Vital copy fees rose $2 on January 1, 202611
  • The county is moving from acgov.org to alamedacountyca.gov; both are official26

Office addresses, phones and hours

Auditor-Controller/Clerk-Recorder (Clerk-Recorder's Office)

Address
1106 Madison Street, Oakland, CA 946074
Mail
Alameda County Clerk-Recorder's Office, 1106 Madison Street, Oakland, CA 9460727
Hours
Monday through Friday, 8:30 am to 5:00 pm (except holidays)27

Clerk-Recorder's Office

Address
1106 Madison Street, Oakland, CA 946074
Mail
Alameda County Clerk-Recorder's Office, 1106 Madison Street, Oakland, CA 9460727
Hours
Monday through Friday, 8:30 am to 5:00 pm (except holidays)27

Alameda County Assessor

Address
1221 Oak Street, Room 145, Oakland, CA 946126
Hours
Oakland offices: 9:00 AM to 4:30 PM, Monday – Friday except for holidays6

Treasurer-Tax Collector (Property Tax Collection)

Address
1221 Oak Street, Room 131, Oakland, CA 9461228
Hours
8:30 a.m. – 4:30 p.m.28

Superior Court of California, County of Alameda: Criminal Divisions

Phone
Rene C. Davidson Courthouse, Oakland: (510) 891-60099

Superior Court of California, County of Alameda: Civil Records

Phone
Hayward Hall of Justice: (510) 690-2705; George E. McDonald Hall of Justice: (510) 891-60059

Superior Court: Probate

Phone
Berkeley Courthouse: (510) 647-4439; George E. McDonald Courthouse: (510) 891-60059

Superior Court: Family Law

Phone
Hayward Hall of Justice: (510) 690-2702; George E. McDonald Courthouse: (510) 891-60059

Clerk-Recorder's Office (vital records)

Address
1106 Madison Street, Oakland, CA 946074
Mail
Alameda County Clerk-Recorder's Office, 1106 Madison Street, Oakland, CA 9460727
Hours
Monday through Friday, 8:30 am to 5:00 pm (except holidays)27

Registrar of Voters

Address
1225 Fallon Street, Rm. G-1, Oakland, CA 9461229
Hours
8:30 a.m. - 5:00 p.m.25

Assessor

Parcel viewer and maps

Records that are not online: public records requests

How to write a public records request

Questions people ask

How do I get a copy of a deed in Alameda County?

The Auditor-Controller/Clerk-Recorder (Clerk-Recorder's Office) keeps deed records. To order copies: Online, by mail, or in person; an instrument number or book and page or reel and image number is required. Plain copies: $3.50 per page. Certified copies: $4.50 for first page, $3.50 for each additional page.4193

How much is a birth certificate in Alameda County?

$36.00 per copy.13

How do I look up who owns a property in Alameda County?

Use the property search of the Alameda County Assessor: acassessor.org/…6

Official copies vs look-alike sites

A certified copy comes only from the office that holds the record; reports and "research copies" sold by commercial sites are not issued by any Alameda County office. How to tell an official record source from a paid look-alike.

Other counties in California with a full guide: Butte County, Contra Costa County, El Dorado County, Fresno County, Humboldt County, Imperial County, Kern County, Kings County, Lake County, Los Angeles County, Madera County, Marin County, Mendocino County, Merced County, Monterey County, Napa County, Nevada County, Orange County, Placer County, Riverside County, Sacramento County, San Bernardino County, San Diego County, San Francisco County, San Joaquin County, San Luis Obispo County, San Mateo County, Santa Barbara County, Santa Clara County, Santa Cruz County, Shasta County, Solano County, Sonoma County, Stanislaus County, Sutter County, Tulare County, Ventura County, Yolo County, Yuba County. Every county in the state: California county list.

Sources

Every fact above links to the official page it comes from; all 31 sources were checked on November 4, 2026. Fees and rules change, so check the office's own page before you pay or travel.

  1. Government Units List 2026US Census Bureau
  2. Official Public Records PortalAlameda County Clerk-Recorder
  3. Clerk-Recorder Fee Schedule (rev 12-2025)Alameda County Clerk-Recorder
  4. Clerk-Recorder | Alameda County | Alameda County Auditor-Controller/Clerk-RecorderAlameda County Clerk-Recorder
  5. Listing of County Assessors, Auditors and Auditor-Controllers, Clerks of the Board, and Tax CollectorsCalifornia State Board of Equalization
  6. Home - Alameda County AssessorAlameda County Assessor
  7. Treasurer Tax Collector |Alameda County Treasurer-Tax Collector
  8. Property Tax PortalAlameda County Treasurer-Tax Collector
  9. Court Records Request and Information | Superior Court of California | County of AlamedaSuperior Court of California, County of Alameda
  10. Superior Court of California, County of Alameda
  11. Fees | Clerk-Recorder | Alameda County | Alameda County Auditor-Controller/Clerk-RecorderAlameda County Clerk-Recorder
  12. Divorce or Separation | Superior Court of California | County of AlamedaSuperior Court of California, County of Alameda
  13. Birth CertificateAlameda County Clerk-Recorder
  14. Vital Records PortalAlameda County Clerk-Recorder
  15. Probate | Superior Court of California | County of AlamedaSuperior Court of California, County of Alameda
  16. Fictitious Business Name Research - Clerk-Recorder's Office - Alameda CountyAlameda County Clerk-Recorder
  17. Alameda County Clerk-Recorder Web Access (disclaimer page)Alameda County Clerk-Recorder
  18. Real Property Sales & Transfers – Research Requests | Clerk-Recorder | Alameda County | Alameda County Auditor-Controller/Clerk-RecorderAlameda County Clerk-Recorder
  19. Official Public RecordsAlameda County Clerk-Recorder
  20. Assessor's MapsAlameda County Assessorarchived copy
  21. Clerk of the Board of Supervisors - Alameda CountyAlameda County Clerk-Recorder
  22. Assessor's Records - Alameda County AssessorAlameda County Assessorarchived copy
  23. Home | Superior Court of California | County of AlamedaSuperior Court of California, County of Alameda
  24. Vital ResearchAlameda County Clerk-Recorder
  25. County Elections Offices :: California Secretary of StateCalifornia Secretary of State
  26. Dot Gov | Alameda CountyAlameda County
  27. Contact Us | Clerk-Recorder | Alameda County | Alameda County Auditor-Controller/Clerk-RecorderAlameda County Clerk-Recorder
  28. Contact Us | Treasurer Tax CollectorAlameda County Treasurer-Tax Collectorarchived copy
  29. Official Election Site of Alameda CountyAlameda County Registrar of Voters
  30. Public Records RequestAlameda County Auditor-Controller/Clerk-Recorderarchived copy
  31. County population totals: Vintage 2025 (July 1, 2025)US Census Bureau