California Property Tax: Prop 13, Appeals and Assessor Guide | Property Tax Edge
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California Property Tax Dashboard

Property tax resources for California homeowners — Prop 13 analysis, county assessor directory, R&T Code reference, and assessment appeal guides.

58
CA counties covered
1%
Prop 13 base rate
~1.2%
typical total rate
Nov 30
standard appeal deadline
⏰ Earlier deadline alert: most California counties accept appeals through November 30 (window opens July 2), but these 11 counties close on September 15: Alameda, Alpine, Inyo, Kings, Mono, Placer, San Francisco, San Luis Obispo, Santa Clara, Sierra, and Ventura. They're flagged in red below — don't miss them.
CountyAssessor OfficeWebsitePhoneAppeal DeadlineProp 13 RateRegion
AlamedaPhong Lawww.acassessor.org 510-272-3787⏰ Sep 15 — early0.77%Bay Area
AlpineDonald O'Connorwww.alpinecountyca.gov/141/Assessor-Recorder 530-694-2283⏰ Sep 15 — early0.65%Sierra & Eastern
AmadorJim Rooneywww.amadorcounty.gov/government/assessor 209-223-6351Nov 300.66%Sierra & Eastern
ButteAlyssa Douglasswww.buttecounty.net/222/Assessor 530-552-3800Nov 300.70%Northern CA
CalaverasLarie Durhamassessor.calaverasgov.us 209-754-6356Nov 300.67%Sierra & Eastern
ColusaArnold Gross, Jr.www.countyofcolusaca.gov/15/Assessor 530-458-0450Nov 300.73%Central Valley
Contra CostaGus Kramerwww.contracosta.ca.gov/191/Assessor 925-313-7400Nov 300.72%Bay Area
Del NorteJennifer Perrywww.co.del-norte.ca.us/departments/assessor 707-464-7200Nov 300.70%Northern CA
El DoradoJon DeVillewww.eldoradocounty.ca.gov/County-Government/County-Departments/Assessor 530-621-5719Nov 300.67%Sierra & Eastern
FresnoPaul Dictoswww.fresnocountyca.gov/Departments/Assessor 559-600-3534Nov 300.72%Central Valley
GlennSendy Perezwww.countyofglenn.net/government/departments/assessor 530-934-6402Nov 300.72%Central Valley
HumboldtHoward LaHaiehumboldtgov.org/220/Assessor 707-445-7663Nov 300.68%Northern CA
ImperialRobert Menvielleassessor.imperialcounty.org 442-265-1300Nov 300.82%Southern CA
InyoDave Stottlemyrewww.inyocounty.us/services/assessor 760-878-0302⏰ Sep 15 — early0.69%Sierra & Eastern
KernLaura Avilawww.kerncounty.com/government/departments/assessor-recorder 661-868-3485Nov 300.80%Central Valley
KingsKristine Leewww.countyofkingsca.gov/departments/general-services/assessor-clerk-recorder 559-852-2486⏰ Sep 15 — early0.78%Central Valley
LakeRichard A. Fordwww.lakecountyca.gov/271/Assessor---Recorder 707-263-2302Nov 300.72%Northern CA
LassenNick Ceagliowww.lassencounty.gov/180/Assessor 530-251-8241Nov 300.73%Northern CA
Los AngelesJeffrey Prangassessor.lacounty.gov 213-974-3211Nov 300.72%Southern CA
MaderaBrett Frazierwww.maderacounty.com/government/assessor 559-675-7710Nov 300.74%Central Valley
MarinShelly Scottwww.arcc.marincounty.gov 415-473-7215Nov 300.63%Bay Area
MariposaVincent P. Kehoewww.mariposacounty.gov/64/Assessor-Recorder 209-966-2332Nov 300.67%Sierra & Eastern
MendocinoKatrina Bartolomiewww.mendocinocounty.gov/government/assessor-county-clerk-recorder-elections 707-234-6800Nov 300.67%Northern CA
MercedMatt H. Maywww.countyofmerced.com/3885/Assessor 209-385-7631Nov 300.76%Central Valley
ModocKristen DePaulwww.countyofmodoc.gov/523/Assessor 530-233-6218Nov 300.74%Northern CA
MonoBarry Beckwww.monocounty.ca.gov/1640/Assessor 760-932-5510⏰ Sep 15 — early0.64%Sierra & Eastern
MontereyXochitl Marina Camachowww.countyofmonterey.gov/government/departments-a-h/assessor/assessor-county-clerk-recorder 831-755-5035Nov 300.62%Central Coast
NapaJohn Tuteurwww.napacounty.gov/149/Assessor 707-253-4467Nov 300.62%Bay Area
NevadaRolf Kleinhanswww.nevadacountyca.gov/163/Assessor 530-265-1232Nov 300.66%Sierra & Eastern
OrangeClaude Parrishwww.ocassessor.gov 714-834-2727Nov 300.56%Southern CA
PlacerMatthew R. Maynardwww.placer.ca.gov/10419/Assessor 530-889-4300⏰ Sep 15 — early0.68%Sierra & Eastern
PlumasCynthia L. Froggattwww.plumascounty.us/75/Assessor 530-283-6380Nov 300.68%Northern CA
RiversidePeter Aldanawww.rivcoacr.org 951-955-6200Nov 300.80%Southern CA
SacramentoChristina Wynnassessor.saccounty.gov 916-875-0700Nov 300.68%Central Valley
San BenitoTom J. Slavichwww.sanbenitocountyca.gov/departments/assessor 831-636-4030Nov 300.65%Central Coast
San BernardinoChris Wilhitearc.sbcounty.gov 909-387-8307Nov 300.79%Southern CA
San DiegoJordan Z. Markswww.sdarcc.gov/content/arcc/home/divisions/assessor.html 619-236-3771Nov 300.61%Southern CA
San FranciscoJoaquin Torreswww.sf.gov/departments--assessor-recorder 628-652-8100⏰ Sep 15 — early0.65%Bay Area
San JoaquinSteve J. Bestolarideswww.sjgov.org/department/assessor/home 209-468-2630Nov 300.77%Central Valley
San Luis ObispoTom J. Bordonaro, Jr.www.slocounty.ca.gov/departments/assessor 805-461-6143⏰ Sep 15 — early0.60%Central Coast
San MateoMark Churchsmcacre.gov 650-363-4500Nov 300.56%Bay Area
Santa BarbaraJoseph E. Hollandwww.countyofsb.org/acr-assessor 805-568-2550Nov 300.58%Central Coast
Santa ClaraLawrence E. Stoneasr.santaclaracounty.gov/home 408-299-5500⏰ Sep 15 — early0.67%Bay Area
Santa CruzSheri Thomasassessor.santacruzcountyca.gov 831-454-2074Nov 300.60%Central Coast
ShastaLeslie Morganwww.shastacounty.gov/assessor 530-225-3600Nov 300.71%Northern CA
SierraLaura Marshallwww.sierracounty.ca.gov/170/Assessor 530-289-3283⏰ Sep 15 — early0.68%Sierra & Eastern
SiskiyouCraig S. Kaywww.siskiyoucounty.gov/assessor-recorder 530-842-8036Nov 300.71%Northern CA
SolanoGlenn Zookwww.solanocounty.gov/government/assessorrecorder 707-784-6210Nov 300.74%Bay Area
SonomaDeva Marie Protosonomacounty.gov/administrative-support-and-fiscal-services/clerk-recorder-assessor/assessor 707-565-1888Nov 300.70%Bay Area
StanislausDon H. Gaeklewww.stancounty.com/assessor/ 209-525-6461Nov 300.76%Central Valley
SutterTodd Retzloffwww.sutter.gov/government/county-departments/assessor 530-822-7160Nov 300.73%Central Valley
TehamaKen Brownwww.tehama.gov/government/departments/assessor/ 530-527-5931Nov 300.71%Northern CA
TrinityShanna S. Whitewww.trinitycounty.org/Assessor 530-623-1257Nov 300.70%Northern CA
TulareTara K. Freitastularecounty.ca.gov/assessor 559-636-5100Nov 300.73%Central Valley
TuolumneKaenan Whitmanwww.tuolumnecounty.ca.gov/200/Assessor 209-533-5535Nov 300.68%Sierra & Eastern
VenturaKeith Taylorassessor.venturacounty.gov 805-654-2181⏰ Sep 15 — early0.60%Southern CA
YoloJesse Salinasace.yolocounty.gov 530-666-8135Nov 300.69%Central Valley
YubaStephen S. Duckelswww.yuba.gov/Departments/Assessor/ 530-749-7820Nov 300.75%Central Valley