skills/ca-property-tax-appeal/references/county-web-index.json

{
  "schema_version": 1,
  "verified_on": "2026-09-13",
  "state_directory": "https://www.boe.ca.gov/proptaxes/countycontacts.htm",
  "notes": "Official discovery roots indexed from the California State Board of Equalization county contacts directory. Reopen the state directory and selected county pages before use. Online filing values are discovery hints, not current eligibility determinations.",
  "counties": [
    {"county":"Alameda","assessor":"https://www.acassessor.org/","appeals_office":"https://www.acgov.org/","online_portal":null},
    {"county":"Alpine","assessor":"https://www.alpinecountyca.gov/","appeals_office":"https://www.alpinecountyca.gov/","online_portal":null},
    {"county":"Amador","assessor":"https://www.amadorgov.org/","appeals_office":"https://www.amadorgov.org/","online_portal":null},
    {"county":"Butte","assessor":"https://www.buttecounty.net/","appeals_office":"https://www.buttecounty.net/","online_portal":null},
    {"county":"Calaveras","assessor":"https://assessor.calaverasgov.us/","appeals_office":"https://bos.calaverasgov.us/","online_portal":null},
    {"county":"Colusa","assessor":"https://www.countyofcolusaca.gov/","appeals_office":"https://www.countyofcolusa.org/","online_portal":null},
    {"county":"Contra Costa","assessor":"https://www.co.contra-costa.ca.us/","appeals_office":"https://www.contracosta.ca.gov/","online_portal":null},
    {"county":"Del Norte","assessor":"https://www.co.del-norte.ca.us/","appeals_office":"https://www.co.del-norte.ca.us/","online_portal":null},
    {"county":"El Dorado","assessor":"https://www.edcgov.us/","appeals_office":"https://www.eldoradocounty.ca.gov/","online_portal":null},
    {"county":"Fresno","assessor":"https://www.co.fresno.ca.us/","appeals_office":"https://www.co.fresno.ca.us/","online_portal":null},
    {"county":"Glenn","assessor":"https://www.countyofglenn.net/","appeals_office":"https://www.countyofglenn.net/","online_portal":null},
    {"county":"Humboldt","assessor":"https://humboldtgov.org/","appeals_office":"https://humboldtgov.org/","online_portal":null},
    {"county":"Imperial","assessor":"https://assessor.imperialcounty.org/","appeals_office":"https://board.imperialcounty.org/","online_portal":null},
    {"county":"Inyo","assessor":"https://www.inyocounty.us/","appeals_office":"https://www.inyocounty.us/","online_portal":null},
    {"county":"Kern","assessor":"https://www.kerncounty.com/","appeals_office":"https://www.kerncounty.com/","online_portal":null},
    {"county":"Kings","assessor":"https://www.countyofkings.com/","appeals_office":"https://www.countyofkingsca.gov/","online_portal":null},
    {"county":"Lake","assessor":"https://www.lakecountyca.gov/","appeals_office":"https://www.lakecountyca.gov/","online_portal":null},
    {"county":"Lassen","assessor":"https://www.lassencounty.gov/","appeals_office":"https://www.lassencounty.org/","online_portal":null},
    {"county":"Los Angeles","assessor":"https://assessor.lacounty.gov/","appeals_office":"https://bos.lacounty.gov/","online_portal":null},
    {"county":"Madera","assessor":"https://www.maderacounty.com/","appeals_office":"https://www.maderacounty.com/","online_portal":null},
    {"county":"Marin","assessor":"https://www.marincounty.org/","appeals_office":"https://www.marincounty.gov/","online_portal":null},
    {"county":"Mariposa","assessor":"https://www.mariposacounty.org/","appeals_office":"https://www.mariposacounty.org/","online_portal":null},
    {"county":"Mendocino","assessor":"https://www.mendocinocounty.org/","appeals_office":"https://www.mendocinocounty.gov/","online_portal":null},
    {"county":"Merced","assessor":"https://www.co.merced.ca.us/","appeals_office":"https://www.co.merced.ca.us/","online_portal":null},
    {"county":"Modoc","assessor":"https://www.countyofmodoc.gov/","appeals_office":"https://www.co.modoc.ca.us/","online_portal":null},
    {"county":"Mono","assessor":"https://www.monocounty.ca.gov/","appeals_office":"https://www.monocounty.ca.gov/","online_portal":null},
    {"county":"Monterey","assessor":"https://www.co.monterey.ca.us/","appeals_office":"https://www.co.monterey.ca.us/","online_portal":null},
    {"county":"Napa","assessor":"https://www.countyofnapa.org/","appeals_office":"https://www.countyofnapa.org/","online_portal":null},
    {"county":"Nevada","assessor":"https://www.mynevadacounty.com/","appeals_office":"https://www.mynevadacounty.com/","online_portal":null},
    {"county":"Orange","assessor":"https://www.ocgov.com/","appeals_office":"https://cob.ocgov.com/","online_portal":null},
    {"county":"Placer","assessor":"https://www.placer.ca.gov/","appeals_office":"https://www.placer.ca.gov/","online_portal":null},
    {"county":"Plumas","assessor":"https://www.plumascounty.us/","appeals_office":"https://www.plumascounty.us/","online_portal":null},
    {"county":"Riverside","assessor":"https://www.rivcoacr.org/","appeals_office":"https://rivcocob.org/","online_portal":null},
    {"county":"Sacramento","assessor":"https://assessor.saccounty.gov/","appeals_office":"https://sccob.saccounty.gov/","online_portal":null},
    {"county":"San Benito","assessor":"https://www.cosb.us/","appeals_office":"https://www.cosb.us/","online_portal":null},
    {"county":"San Bernardino","assessor":"https://arc.sbcounty.gov/","appeals_office":"https://cob.sbcounty.gov/","online_portal":null},
    {"county":"San Diego","assessor":"https://arcc.sandiegocounty.gov/","appeals_office":"https://www.sandiegocounty.gov/","online_portal":null},
    {"county":"San Francisco","assessor":"https://www.sfassessor.org/","appeals_office":"https://sfbos.org/","online_portal":null},
    {"county":"San Joaquin","assessor":"https://www.sjgov.org/","appeals_office":"https://www.sjgov.org/","online_portal":null},
    {"county":"San Luis Obispo","assessor":"https://www.slocounty.ca.gov/","appeals_office":"https://www.slocounty.ca.gov/","online_portal":null},
    {"county":"San Mateo","assessor":"https://www.smcare.org/","appeals_office":"https://www.smcgov.org/","online_portal":null},
    {"county":"Santa Barbara","assessor":"https://www.countyofsb.org/","appeals_office":"https://www.countyofsb.org/","online_portal":null},
    {"county":"Santa Clara","assessor":"https://www.sccassessor.org/","appeals_office":"https://cob.santaclaracounty.gov/appeal-your-property-taxes","online_portal":"https://sccgovaa.custhelp.com/","fee_rule":{"effective_date":"2026-06-01","nonrefundable":true,"residential_vacant_agricultural_per_parcel_application":290,"commercial_business_multifamily_5plus_per_parcel_or_account_application":675,"credit_card_service_fee_percent":2.22,"credit_card_minimum_service_fee":1.49,"waiver_note":"The county says processing fees may be waived for applicants who receive public assistance; contact the office for the application form.","source":"https://cob.santaclaracounty.gov/appeal-your-property-taxes","verified_on":"2026-09-13"}},
    {"county":"Santa Cruz","assessor":"https://www.co.santa-cruz.ca.us/","appeals_office":"https://www.co.santa-cruz.ca.us/","online_portal":null},
    {"county":"Shasta","assessor":"https://www.shastacounty.gov/","appeals_office":"https://www.shastacounty.gov/","online_portal":null},
    {"county":"Sierra","assessor":"https://www.sierracounty.ca.gov/","appeals_office":"https://www.sierracounty.ca.gov/","online_portal":null},
    {"county":"Siskiyou","assessor":"https://www.co.siskiyou.ca.us/","appeals_office":"https://www.co.siskiyou.ca.us/","online_portal":null},
    {"county":"Solano","assessor":"https://www.solanocounty.com/","appeals_office":"https://www.solanocounty.com/","online_portal":null},
    {"county":"Sonoma","assessor":"https://sonomacounty.ca.gov/","appeals_office":"https://sonomacounty.ca.gov/","online_portal":null},
    {"county":"Stanislaus","assessor":"https://www.stancounty.com/","appeals_office":"https://www.stancounty.com/","online_portal":null},
    {"county":"Sutter","assessor":"https://www.suttercounty.org/","appeals_office":"https://www.co.sutter.ca.us/","online_portal":null},
    {"county":"Tehama","assessor":"https://www.tehama.gov/","appeals_office":"https://www.tehama.gov/","online_portal":null},
    {"county":"Trinity","assessor":"https://www.trinitycounty.org/","appeals_office":"https://www.trinitycounty.org/","online_portal":null},
    {"county":"Tulare","assessor":"https://tularecounty.ca.gov/","appeals_office":"https://tularecounty.ca.gov/","online_portal":null},
    {"county":"Tuolumne","assessor":"https://www.tuolumnecounty.ca.gov/","appeals_office":"https://www.tuolumnecounty.ca.gov/","online_portal":null},
    {"county":"Ventura","assessor":"https://assessor.countyofventura.org/","appeals_office":"https://www.ventura.org/","online_portal":null},
    {"county":"Yolo","assessor":"https://ace.yolocounty.gov/","appeals_office":"https://www.yolocounty.org/","online_portal":null},
    {"county":"Yuba","assessor":"https://www.yuba.gov/","appeals_office":"https://www.yuba.org/","online_portal":null}
  ]
}