About Alameda County, California

Alameda County is located in the Bay Area of northern California. The county seat is Oakland (official site: http://www.acgov.org/).

  • Population: 1,610,921
  • Households: 587,821
  • Median household income: $72,112
  • Median home value: $493,800
  • Below poverty line: 12.5%
  • Land area: 739.0 sq mi
  • Population density: 2,043.6 people / sq mi
  • Public libraries indexed: 48
  • NCES schools indexed: 390
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Phone Listings
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Alameda County public-directory phone listings — searchable by keyword, department name, or service category across the 21 agencies of county government. County Administrator Susan S. Muranishi has led the organization since 2008; the county runs Highland Hospital, Santa Rita Jail, the Coroner's Bureau, the Health Care Services Agency, and Alameda County Social Services across 821 square miles.
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Alameda County Home Page
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Official Alameda County government portal — 1.64M residents on the east side of San Francisco Bay anchored by Oakland (county seat), Fremont, Berkeley, Hayward, Pleasanton, and Livermore. Five-member Board of Supervisors: Nate Miley (D4), Elisa Márquez (D2), Lena Tam (D3, City of Alameda), David Haubert (D1), Nikki Fortunato Bas (D5). Approximately $4 billion FY 2026-27 budget.
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Restaurant Inspections
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Alameda County Environmental Health Department EHGONE interactive map for retail food-facility inspections, food-facility closures, and expired permits. Inspections operate under Cal. Health & Safety Code §113700 (Retail Food Code). Each marker reveals facility name, inspection date, violation grade, and corrective-action status. Useful for diners screening restaurants and for tenants of cloud-kitchen leased space.
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Cemeteries
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Find A Grave Alameda County cemetery and burial index — covers Mountain View Cemetery and Chapel of the Chimes in Oakland, Holy Sepulchre Catholic Cemetery in Hayward, St. Mary's in Oakland, and dozens of smaller pioneer plots from the Livermore Valley to the Niles district of Fremont. Volunteer transcriptions include grave photos, dates, family relationships, and obituary clippings.
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Codes
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Alameda County General Ordinance Code and Administrative Code hosted by Municode — applies to unincorporated areas (Castro Valley, Cherryland, Ashland, San Lorenzo, Fairview, Sunol, and unincorporated Hayward Acres). The 14 incorporated cities maintain separate municipal codes. Includes building, zoning, animal control, business licensing, weights and measures, and public-health provisions under the county Charter adopted 1926.
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Crime Reports — Open Data
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Alameda County Sheriff's Office Crime Reports dataset on the county Open Data Hub — incident records covering June 28, 2022 to present, downloadable as CSV, KML, ZIP, GeoJSON, or GeoTIFF and accessible via the GeoServices API. Each row includes incident date, offense category, dispatch location, and the responding beat. Useful for journalists, academics, and neighborhood-watch groups tracking crime patterns block by block across unincorporated areas and contract cities.
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Court Records & Calendars — Civil, Family, Probate
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Alameda County Superior Court DomainWeb records and calendars for civil, family, probate, and small-claims cases handled at the René C. Davidson Courthouse in Oakland and the Wiley W. Manuel Courthouse. Case-number lookups are free; name searches require a fee under Cal. Rule of Court 2.503. Hayward Hall of Justice and Gale-Schenone Hall in Pleasanton hear East County matters.
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Traffic / Moving Violations
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Alameda Superior Court Traffic Division — search and pay citations by court location, docket, or citation number. The court hears matters at the Wiley W. Manuel Courthouse in Oakland, the Hayward Hall of Justice, and the Gale-Schenone Hall in Pleasanton. Failure-to-appear adds a civil-assessment penalty up to $300 under Cal. Veh. Code §40310; traffic-school dismissal available once every 18 months.
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Court Records & Calendars — Criminal
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Alameda Superior Court public portal for criminal case records and hearing calendars — felonies are prosecuted by DA Ursula Jones Dickson, the former Superior Court judge appointed by the Board of Supervisors after the November 2024 recall of Pamela Price. Search by case number, defendant name, or attorney to view charges, custody status, next hearing, and disposition.
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Inmate Locator
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Sheriff Yesenia Sanchez's Inmate Locator — Sanchez is the 23rd Sheriff and first woman and first Latina to hold the office, sworn in January 2023 after winning the June 2022 primary outright with 53%. Search by name, DOB, or PFN number for inmates at Santa Rita Jail in Dublin (one of the nation's largest county jails, ~2,500 average daily population) and the Glenn E. Dyer Detention Facility in Oakland.
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Inmates — VineLink
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VINELink statewide California inmate-status portal scoped to Alameda County — search by offender name or booking number across Santa Rita Jail and Glenn Dyer Detention Facility. Free phone, email, and text alerts on custody changes, transfers, court dates, and releases under the Victim Information and Notification Everyday network funded through the federal Office for Victims of Crime.
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Most Wanted
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Alameda County Sheriff Yesenia Sanchez's most-wanted bulletins under the agency's Investigations Division — Sanchez is the 23rd Sheriff and the first woman and first Latina to hold the office. Photographs, charges, last-known locations, and tip-line information for fugitives sought by the agency, including those wanted for assaults, burglary, domestic violence, and homicide. Anonymous tips at 510-667-3500 may earn cash rewards.
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Unidentified Persons
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NamUs (National Missing and Unidentified Persons System) case listings cross-referenced with the Alameda County Sheriff-Coroner Bureau's open John Doe and Jane Doe files — physical descriptions, recovered-clothing photos, dental and DNA characteristics, and location-and-date-found data for unidentified decedents recovered across the county since the 1970s. Tips to the Coroner's Bureau at 510-382-3000 or to NamUs at namus.nij.ojp.gov.
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Deaths
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Livermore-Amador Genealogical Society (L-AGS) cemetery and burial indexes for the Livermore Valley and surrounding Eastern Alameda County communities — Livermore, Pleasanton, Dublin, Sunol, and the unincorporated wine-country foothills. Includes transcribed pioneer cemetery records, obituary indexes from the Livermore Herald, and naturalization compilations dating to the rancho era.
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Voters
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Alameda County Registrar of Voters voter-portal lookup — confirm registration status, party affiliation, polling place, vote-by-mail status, and ballot-tracking signature verification. Alameda has roughly 950,000 registered voters across 14 cities and unincorporated communities. The ROV at 1225 Fallon Street, Oakland conducts elections under Cal. Elections Code; June 2 2026 primary is on the calendar.
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Fictitious Business Name Filings
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Clerk-Recorder Melissa Wilk's Fictitious Business Name search — query by business name, owner, instrument number, or date range. Cal. B&P Code §17900 requires unincorporated businesses operating under a name other than the owner's surname to file within 40 days. Filings are valid for 5 years and must be published in an adjudicated newspaper once a week for four consecutive weeks within 30 days of filing.
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License Plates
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City of Oakland open-data publication of ALPR (Automated License Plate Reader) datasets under Oakland's 2017 Surveillance and Community Safety Ordinance — one of the most transparent ALPR-disclosure regimes in the country. Datasets include capture counts, locations, dwell times, and hit rates, with strict privacy controls on individual plate data. Used by academic researchers and privacy advocates analyzing surveillance impacts.
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Recorded Documents
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Auditor-Controller/Clerk-Recorder Melissa Wilk's records search — query deeds, deeds of trust, mortgages, liens, releases, and miscellaneous instruments by name, date range, instrument number, book/page, or document type. Cal. Gov. Code §27201 governs recording. Offices at 1106 Madison Street, Oakland; satellite Clerk-Recorder office at 7600 Dublin Boulevard, Dublin for Tri-Valley residents.
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Property - Assessor
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Assessor Phong La's property-information lookup — search by parcel number or address to retrieve land value, structure value, improvements, use code, ownership, and prior-year tax breakdown. La was elected 2018 (first Vietnamese-American Assessor in California) and re-elected. The Assessor maintains ~450,000 parcels across the county; Homestead Exemption filings receive automatic renewal once filed.
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Property - Tax Information
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Treasurer-Tax Collector Henry C. "Hank" Levy's property-tax portal — Levy has served since 2017 and was re-elected outright in 2024 with a term ending January 8, 2029. Search by parcel number or address to view Ad Valorem tax, voter-approved special charges (Mello-Roos, school bonds, EBMUD assessments), penalties, and payment history. First-installment due Nov 1, delinquent Dec 10; second-installment due Feb 1, delinquent Apr 10.
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Property — Tax Auctions
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Alameda County Treasurer-Tax Collector Henry C. Levy's annual tax-defaulted property auction conducted on Bid4Assets — the March 2026 sale offered 256 parcels with no-reserve bidding starting as low as $455. Sale is held under Cal. Rev. & Tax. Code §3691 for parcels in default five-plus years subject to Power to Sell. Bidders pre-register and post a refundable deposit before bidding opens; winning bids paid in full the next business day.