Site Index
Everything on CaliforniaPropertyTools.com in one place — every calculator, guide, and resource, grouped so you can find what you need fast.
Calculators & Tools
Estimate your California property tax, transfers, and one-time bills.
California Property Tax CalculatorOwner and buyer modes: estimate your Proposition 13 assessed value and annual tax from purchase price, date, and county.Prop 19 Calculator & Eligibility QuizCheck if you qualify to transfer your low tax base to a new home (55+/disabled/disaster), and estimate the savings.Supplemental Property Tax CalculatorEstimate the one-time supplemental bill after a purchase or new construction — and see why some buyers get two.LA County Property Tax CalculatorEstimate your Los Angeles County tax by city or ZIP using the actual Auditor-Controller rates (as a range) and Proposition 13.Sacramento County Property Tax CalculatorEstimate your Sacramento County tax by city or ZIP using the actual Auditor-Controller rates (as a range) and Proposition 13.San Diego County Property Tax CalculatorEstimate your San Diego County tax by ZIP, as an owner or a buyer, using the actual Auditor & Controller rates and Proposition 13.Orange County Property Tax CalculatorEstimate your Orange County County tax by ZIP, as an owner or a buyer, using the actual Auditor & Controller rates and Proposition 13.Orange County Property Tax Bill: What's On It & How to PayEstimate your Orange County County tax by ZIP, as an owner or a buyer, using the actual Auditor & Controller rates and Proposition 13.
Guides & Articles
Plain-English explainers for Proposition 13, Prop 19, Prop 8, Mello-Roos, and more.
California Property Tax PropositionsThe complete list — Prop 13, Prop 19, and every measure that shapes your bill — each with its year and status.California Property Tax Rate by CountyThe official BOE average rate for all 58 California counties, and how each tax dollar is allocated — click any county to open its own page with a rate breakdown, calculator, and due dates.California Property Tax by CityA directory of every city with its own property-tax page — Los Angeles, Sacramento, Santa Clara, and the largest cities statewide — with typical rates and bills.Most Affordable California Cities for Property TaxMajor California cities ranked by the typical annual bill and effective rate — the lowest and highest, and why a low rate isn't a low bill.Assessed Value vs. Market ValueWhy your Proposition 13 assessed value trails today's market value, the gap across 98 California cities, and the tax it saves — with a calculator.California Property Tax ExemptionsWho qualifies and how to claim — Homeowners', Disabled Veterans', senior relief, nonprofit/welfare, and more, with the forms and deadlines.California Homeowners' Exemption ($7,000)The $7,000 assessed-value exemption, the February 15 deadline, and how to file BOE-266 — with a savings calculator.Disabled Veterans' Property Tax ExemptionCalifornia's exemption for disabled veterans and surviving spouses — the basic and low-income amounts, eligibility, and how to claim.How to Lower Your Property Tax in CaliforniaSeven legitimate ways to reduce your California property tax — exemptions, a decline-in-value (Prop 8) review, a formal appeal, and more.California Property Tax Due DatesWhen the two installments are due and delinquent statewide, penalties, and the supplemental and escape-bill deadlines.Home Insurance Non-Renewals by County & ZIPWhere coverage is getting harder to keep: CDI non-renewal rates for every county and ZIP, who initiated them, and the FAIR Plan alongside.California Fire Hazard Severity Zones by County, City & ZIPWhat CAL FIRE's zones mean, the owner duties they trigger, and the share of homes in High or Very High zones for every county, city and ZIP.California FAIR Plan: Policies by County & ZIPWhat the insurer of last resort is, who qualifies, coverage limits and rate history, with FAIR Plan policy counts for every county and ZIP and CDI's share of homes on the plan.California Property Tax DatasetsEvery public dataset the site publishes (CSV and JSON): Prop 13 lock-in by city, exemption claims by county, city transfer-tax schedules, BOE forms, Williamson Act land, Mello-Roos, FAIR Plan, non-renewals, fire zones and the county rate explainers, with vintage, source and reuse terms (CC BY 4.0).Average Property Tax in CaliforniaThe statewide average single-family bill, rate and assessed value from BOE data, the highest and lowest county averages, and why a buyer pays more than the average under Proposition 13.California Transfer Tax CalculatorOne-time transfer tax on a sale anywhere in California: the $1.10 per $1,000 county documentary transfer tax plus the city tax in the 27 cities whose codes we have read, computed tier by tier from each code.Prop 13 Lock-In by CityShare of single-family homes and condos in 200+ California cities still on a pre-1980, 1980s, 1990s, 2000s, 2010s or 2020s base year, with owner-occupancy and median taxable value from assessor rolls; Riverside's 22-year series; Homeowners' Exemption claims per 100 owner-occupied homes for all 58 counties.California Property Tax Forms (BOE)All 48 BOE property-tax forms with the current revision, who files each, where, and the statutory deadline and late-filing rule, quoted from the Revenue and Taxation Code.California Escape AssessmentThe back-dated bill for value the assessor missed: the 4-, 8-year and unlimited periods in §532, the notice, the 60-day appeal, and the §4837.5 four-year payment plan with LA, San Diego and Santa Clara practice.Quitclaim Deeds and Property TaxWhich quitclaims reassess, which are excluded (§62, §63, §65), when documentary transfer tax is due (§11911, §11930, §11927) and the BOE-502-A.Putting a Home in a TrustRevocable trusts (§62(d)), irrevocable trusts, the settlor's death, BOE-502-D within 150 days and the Prop 19 parent-child claim.Adding or Removing Someone From TitleSpouse, child, partner or LLC on the deed: nine scenarios with the statute (§63, §63.2, §64, §65) and the transfer-tax result.Divorce and Property TaxThe interspousal exclusion (§63), the §11927 transfer-tax exemption and its recital, who keeps the Homeowners' Exemption, and the 55+ base transfer.ADU Property TaxWhat an ADU adds to the bill in 12 counties at $150,000–$400,000 of value; §70–§71 (only the new construction is assessed), conversions, unpermitted units.Solar Property Tax Exclusion (§73)Revenue and Taxation Code §73 quoted word for word: what is excluded, batteries, the sale rule, BOE-64-SES, and the January 1, 2027 sunset after SB 710 and AB 2389.Homestead Exemption vs Homeowners' ExemptionCalifornia's homestead exemption (CCP §704.730, $300,000–$600,000 inflation-adjusted) protects equity from creditors and does nothing to property tax; the $7,000 Homeowners' Exemption (R&T §218) is the tax break. Side by side.Prop 60 and Prop 90The 1986–2021 over-55 base-year transfer (§69.5: once, equal or lesser value, same or ten reciprocal counties) side by side with Prop 19's §69.6 (three times, any county, value adjustment), with dates and forms.Prop 58 and Prop 193The parent-child and grandparent-grandchild exclusion before February 16, 2021 (§63.1: residence unlimited + $1M other property) against Prop 19's §63.2 (family home only, move in within a year, value allowance), with a worked example.Unsecured Property Tax (Boats, Aircraft, Business Property)What the unsecured roll is (R&T §109), the 571-L and vessel statements, the August 31 delinquency date and penalties (§2922), collection without a tax sale, and every county's unsecured assessed value and share of its roll from BOE data.Tax Sale Calendar (Tax-Defaulted Property Auctions)Every county's next tax-defaulted auction date, platform (Bid4Assets, GovEase, county portal), deposit and registration deadline, last-sale parcel counts and excess-proceeds page, with the statutory clock: R&T §3691, §3707, §3712, §4675.Property Tax Postponement (PTP) 2026–27The State Controller's deferral program for owners 62+, blind or disabled: eligibility, the $57,002 income limit, 5% simple interest, the October 1 – February 10 window and how to apply.Look Up & Pay Property Tax by CountyAll 58 counties' official lookup and payment portals on one page, with fees, missing-bill phone numbers and 2026–27 bill status.What's That Charge on Your Property Tax Bill?Decode the direct assessments and fixed charges on a California tax bill — 1,700+ real charges across San Diego, Orange and Los Angeles, searchable with the typical amount per parcel.California Documentary Transfer TaxThe county and city transfer tax charged when property changes hands — rates, who pays, and common exemptions.How Property Tax Is Calculated in CaliforniaSix steps from purchase price to bill, worked on a real Tax Rate Area, plus mobile homes.Where Do California Property Taxes Go?Cents per dollar to schools, counties, cities and special districts — statewide trend and all 58 counties.California Property Tax Delinquency by CountyHow much goes unpaid, the path to tax-defaulted status, and the five-year redemption clock.California Supplemental Property TaxThe one-time bill after a purchase or new construction — how it's prorated, and why some buyers get two.San Diego County Property TaxHow San Diego County tax works, typical rates and bills by city, Mello-Roos in newer communities, due dates, and a parcel (APN) lookup.San Diego Property Tax Bond MeasuresEvery voter-approved GO bond on San Diego bills — measure letter, election year, agency, and rate — the 'voter-approved debt' behind the 1% base.Santa Clara County Property TaxSilicon Valley rates and average assessed values by city, the Proposition 13 tenure mix, and due dates — from the County Assessor's annual report.California Land & Building GuidesBuying or building land in California — perc tests, septic cost, well depth, soil, and ADU laws, grounded in California agencies.Williamson Act (California)How California's agricultural land conservation contracts cut assessed value, who qualifies, and the non-renewal process.Highest & Lowest Tax Rates: LA County CitiesAll 87 LA County cities ranked by ad-valorem rate — the highest and lowest three explained, and why a high rate isn't a high bill.Highest & Lowest Tax Rates: Sacramento CountySacramento cities and communities ranked by rate — plus why Mello-Roos, not the rate, drives the real bill in newer areas.Highest & Lowest Tax Rates: San Diego CountyAll 42 San Diego cities and communities ranked by ad-valorem rate — the highest and lowest explained, with the Mello-Roos caveat.California Reassessment Law ExplainedA plain-English legal guide: what triggers reassessment and what's excluded — change of ownership, new construction, Prop 19, trusts, entities — with references.Property Tax Reassessment After a DeathWhat happens to property tax when a California owner dies — the death-of-owner form the assessor requires, and the spouse, parent-child, and trust exclusions.Property Tax Transfer in CaliforniaTwo kinds of transfer: moving your low Prop 13 base to a new home (Prop 19, 55+), and transferring the property to someone without a reassessment.Proposition 13 ExplainedBase-year value, the 2% annual cap, and how reassessment works.Proposition 8 ExplainedTemporary decline-in-value reductions when the market falls.What Is Mello-Roos?Special taxes in Community Facilities Districts, separate from Prop 13.How Long Does Mello-Roos Last?When CFD taxes end: final bond maturity by county, bond terms, the 2% cap and how to find your district's end date.Historical Prop 13 Inflation FactorsThe official annual factor table (1976-77 to today) with a compounding tool.Owners vs. BuyersWhy a seller's current tax bill differs from a buyer's future bill.Prop 19 Loopholes: What Closed & What WorksThe inheritance strategy Prop 19 ended, and the options that remain.California Prop 19 Statistics by CountyParent-child vs. 55+ transfer claims since Prop 19 — the −67% / +104% split, county by county, from BOE data.California Senior Property Tax ExemptionsHomeowners' Exemption, Property Tax Postponement, Prop 19 55+, and parcel-tax exemptions.How to Appeal Your AssessmentThe free decline-in-value review and the formal appeal, step by step.Los Angeles County Property TaxHow LA County tax works, typical rates and bills by city, due dates, and where to pay — plus a downloadable dataset.LA Property Tax Rate by ZIP CodeLook up the typical ad-valorem rate, home value, and bill for all 279 Los Angeles County ZIP codes.Sacramento County Property TaxSacramento County rates, typical home values and bills by city, Mello-Roos in newer areas, and due dates — from the Assessor roll and Auditor rates.Sacramento Property Tax Rate by ZIP CodeLook up the typical ad-valorem rate, home value, and bill for Sacramento County ZIP codes.Sacramento County Property Tax Data & MethodologySources, method, and a free downloadable by-city/ZIP dataset from the Assessor roll and Auditor rates.What's in Your Sacramento Property Tax?Look up your Tax Rate Area to see every ad-valorem levy by agency and what it funds, plus every Mello-Roos district.What's in Your Los Angeles Property Tax?Browse any LA County city's Tax Rate Areas and see every ad-valorem levy by agency — schools, colleges, city, and Metro Water District.Los Angeles County Mello-Roos Districts (CFD List)Every LA County CFD special tax on the Auditor's Direct Assessment list — searchable by name or the DA number on your bill.Sacramento County Mello-Roos Districts (CFD List)Every Sacramento County CFD special tax billed on the roll — searchable by name, agency, or the Direct Levy code on your bill.San Francisco Property Tax by NeighborhoodMedian assessed value, owner-occupancy, turnover, and 10-year growth for all 38 San Francisco Assessor neighborhoods, by property type.
Mello-Roos districts by county
The Community Facilities District (CFD) special taxes in each county, with bond debt and delinquency.
What is Mello-Roos? · By county (debt & delinquency) · Los Angeles · Sacramento · Alameda · Contra Costa · El Dorado · Fresno · Imperial · Kern · Madera · Marin · Merced · Monterey · Napa · Nevada · Orange · Placer · Riverside · San Bernardino · San Diego · San Francisco · San Joaquin · San Mateo · Santa Clara · Santa Cruz · Solano · Sonoma · Stanislaus · Ventura · Yolo · Yuba
Property tax rate by city, by county
A sortable city-by-city rate table and calculator for each of these counties, from the county's own parcel roll and tax-rate book.
All California city pages · Alpine · Amador · Calaveras · El Dorado · Kern · Kings · Mendocino · Mono · Monterey · San Bernardino · San Luis Obispo · San Mateo · Siskiyou · Solano · Sonoma · Sutter · Tulare · Tuolumne · Ventura · Yuba
About & Policies
How the estimates are made, who we are, and how your data is handled.
MethodologyHow estimates are calculated, data sources, coverage, and limitations.AboutWhat this tool does, how it differs, and what it is not.ContactHow to reach us with questions or corrections.Privacy PolicyHow the site handles analytics, cookies, and your data.Terms of UseThe terms for using this site — educational estimates only, not advice.