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.
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 and Sacramento counties — with typical rates and bills.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.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.How to Avoid Property Tax ReassessmentThe transfers California legally excludes from reassessment — spouses, parent-child, trusts, co-owners, and your own LLC — and what you genuinely can't avoid.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.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 Senior Property Tax ExemptionsHomeowners' Exemption, Property Tax Postponement, Prop 19 55+, and parcel-tax exemptions.How to Challenge 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.
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.