Kiri Suykry — Southern California Property Tax Guide

The Basics

Your tax bill is a three-layer stack

Every California property tax bill starts from the same recipe. The first layer is fixed statewide — the other two are why neighbors in different cities (or different subdivisions) pay such different amounts.

Illustrative estimate—not a parcel quote. Actual assessed value, tax rates, CFD special taxes, direct assessments, exemptions, and transfer taxes depend on the property, transaction, fiscal year, and individual facts. Verify with the appropriate county offices and a qualified tax or legal professional before acting. Kiri Suykry is a real estate broker, not a tax advisor.

1.00%

The Prop 13 base

One percent of your assessed value — generally a new base-year value at fair market value when you buy (ordinarily evidenced by your price), then adjusted annually by the lower of the California inflation factor or 2%. This layer is the same in every city in California.

+ 0.05–0.35%

Voter-approved bonds

School and infrastructure bonds stack on top of the 1%. Bond-heavy communities (much of L.A. County, Pasadena) sit at the high end; lighter districts stay near the base.

+ $ / parcel

Mello-Roos & special assessments

Parcel-specific dollar charges — formulas can depend on use, square footage, acreage, or classification, and they never convert into a universal city percentage. This is the layer that must be verified from the parcel's own tax bill, levy, and district documents.

Because the second and third layers are TRA- and parcel-specific, an honest "effective rate" exists only per parcel — not per city. The good news: every layer is public record, and the biggest surprises are completely avoidable when you know where to look before you write an offer. That's the whole point of this guide.

The Interactive Tax Atlas

Every city in Orange, Los Angeles, and Riverside counties on one map — tap a city for its ad-valorem picture, CFD verification status, and what a sale would cost in documentary transfer taxes at your price point.

Open the map →

City by City

City by city: what's knowable, what's parcel-specific

Every California bill starts at the same 1% ad-valorem base plus voter-approved debt that varies by Tax Rate Area — and CFD special taxes and direct assessments are parcel-specific everywhere. Citywide "effective rate" percentages previously shown here have been removed pending verification against county source documents, because a fixed-dollar or formula-based CFD cannot honestly be folded into a universal city percentage. What remains below is what's reliably knowable at the city level. Note: Orange County's tax-rate book expressly excludes Mello-Roos and special assessments.

City	Ad valorem	CFDs & special taxes	Worth knowing

Ladera Ranch is unincorporated but included because everyone asks. Sources: LA County Auditor-Controller TRA tax-rate books (auditor.lacounty.gov), OC Auditor-Controller tax-rate book (ocgov.com — expressly excludes Mello-Roos and special assessments), Riverside County ACR (rivcoacr.org); fiscal year 2025–26; last reviewed August 4, 2026. Illustrative estimate—not a parcel quote. Actual assessed value, tax rates, CFD special taxes, direct assessments, exemptions, and transfer taxes depend on the property, transaction, fiscal year, and individual facts. Verify with the appropriate county offices and a qualified tax or legal professional before acting. Kiri Suykry is a real estate broker, not a tax advisor.

Mello-Roos & Special Assessments

The line items that surprise people — explained gently

When a brand-new community needs roads, schools, and parks before anyone lives there, California lets developers fund them through a Community Facilities District — a "Mello-Roos" district, named for the 1982 law's authors. CFD special taxes are parcel-specific and not necessarily flat: the formula can depend on use, square footage, acreage, or another classification, and districts may finance facilities, bonds, ongoing services, or combinations. It's not a penalty and it's not hidden — it just needs to be verified parcel by parcel from day one.

Where it lives

Mostly in communities built after the mid-1980s: Great Park and Portola Springs in Irvine, Ladera Ranch, Talega in San Clemente, the newer master plans of Santa Clarita — and nearly everywhere homes were built after 2000 in western Riverside County (Eastvale, Menifee, Beaumont, Lake Elsinore). Older, built-out cities like Huntington Beach, Torrance, or Whittier have little to none.

What it costs

Anywhere from a few hundred dollars to $8,000+ per year depending on the district and the parcel. Because the special tax is a dollar formula rather than a percentage of your price, it can't be folded into a universal city percentage — the same CFD weighs more at lower price points. The controlling sources are the parcel's tax bill, the current levy, the district's rate-and-method-of-apportionment document, official statement, and district records.

How to check any home

Ask for the property's Tax Rate Area breakdown, pull the current tax bill from the county tax collector's site, or simply ask Kiri — he runs this check on every home his buyer clients consider, before the offer, so you're not caught off guard.

When it ends (or doesn't)

A CFD special tax may expire, step down, or continue — and services-funding CFDs can run indefinitely. Never infer the end date solely from a bond maturity: the rate-and-method-of-apportionment document and district records control. A district with five years of levies left is a very different story from one with thirty — worth verifying before you negotiate.

You'll also see smaller special assessments on many bills — lighting and landscape districts, vector control, water standby charges. They're usually modest, but they're part of the true monthly cost, so Kiri includes them when running numbers for you. Sellers in a Mello-Roos community, take heart: buyers care about the total monthly payment, and a well-priced home with a clearly explained tax picture sells just fine.

When You Sell

Transfer taxes at sale — who pays what

Most of this guide is about the bill you pay while you own. Selling has its own short list — smaller numbers, but worth seeing before you set a price. Here's what typically shows up on the closing statement — allocable by contract or custom.

The county transfer tax

California law authorizes a county documentary transfer tax of $0.55 per $500 (or fraction thereof) — equivalent to $1.10 per $1,000. The taxable measure is generally the consideration or value excluding qualifying liens or encumbrances remaining on the property — not automatically the gross sale price — and exempt transfers exist. Payment can be allocated to buyer or seller by contract or local custom; it isn't invariably a seller charge. City taxes may apply in addition and must be sourced individually.

Cities that stack their own

A handful of charter cities add a city transfer tax on top: Los Angeles (0.45% city base, plus Measure ULA for transactions closing after June 30, 2026 — an additional 4% on sales over $5.4M but under $10.9M, and 5.5% at $10.9M or more; the county documentary transfer tax is calculated separately under applicable law), Santa Monica (tiered, up to $56 per $1,000 on the largest sales), and Culver City (tiered, 0.45%–4%). Redondo Beach and Pomona add a modest $2.20 per $1,000.

Your final year's bill, prorated

Property taxes are prorated through escrow to the day of closing — if you've prepaid past the closing date, you're typically credited back the difference; if an installment is coming due, your share is settled from proceeds. Escrow handles the math; you'll see it as line items on the statement.

Reductions & exemptions end at sale

A Prop 8 decline-in-value reduction and your homeowner's exemption belong to you, not the house — the buyer is reassessed at their purchase price and files their own exemption. And if you're 55+, your low base may move with you under Prop 19 rather than ending at the door.

Wondering what a sale would cost in your city? The atlas has a dedicated transfer-tax layer — open the map with transfer taxes highlighted and tap your city.

Prefer to watch? Kiri walks through this “second tax” — what it is, who typically pays it, and the cities that stack their own on top — in a couple of minutes:

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The Propositions

The ballot measures behind every tax bill

California's property tax system was built at the ballot box. Here are the propositions that matter when you own, buy, sell, or inherit a home — in plain English.

1978

Proposition 13 — the foundation

The base ad-valorem rate is 1% of assessed value, plus qualifying voter-approved debt. A taxable change in ownership generally creates a new base-year value at current fair market value — an arm's-length purchase price is ordinarily evidence of that value, but not invariably controlling, and qualifying exclusions may prevent reassessment. New construction can create a separate base-year value for the added value. After that, the annual inflation adjustment is the lower of the applicable California inflation factor or 2% — which is why a 30-year owner and a new buyer on the same street can pay wildly different taxes.

Real-life example

Two neighbors, same street in Huntington Beach. One bought in 1998 for $300,000 — with the 2%-a-year cap, her assessed value today is roughly $520,000 and her base tax about $5,500/yr. Her new neighbor paid $1,400,000 in 2026 and starts at about $14,700/yr. Same houses, nearly a 3× difference — that's Prop 13.

Watch · about a minute

Prop 13, explained on video

The two-neighbors story above, told in about a minute: same street, similar houses, and nearly a 3× difference in the annual tax bill — all because of when each owner bought. If you'd rather watch than read, this is the short version.

The preview image is served by this site. Pressing play loads YouTube's privacy-enhanced player, which streams the video from YouTube — see the Privacy Policy.

1978

Proposition 8 — the downturn safety valve

If the market value of your home falls below its factored Prop 13 value, the county temporarily assesses at the lower figure — and your bill drops. As the market recovers, a Prop 8 value can rise by more than 2% a year, but never above the factored Prop 13 value absent another reassessment event. If you bought near a peak, this one's worth knowing; a review request costs nothing.

Real-life example

A buyer paid $1,050,000 for a new Menifee home near the 2022 peak. In a soft 2026 market it would fetch about $950,000. Under Prop 8 the county must temporarily assess it at the lower number — trimming roughly $1,000–$1,900 off the annual bill until values recover. The review request is free.

2020

Proposition 19 — for movers 55+

Homeowners who are 55 or older, severely disabled, or victims of wildfire or other governor-declared disasters can carry their low Prop 13 tax base to a replacement principal residence anywhere in California, up to three times — even to a more expensive home, with only the excess over a timing-based allowance (100% buying before the sale, 105% in year one after, 110% in year two, of the original's assessor-determined full cash value) added to the transferred base. It also narrowed the inheritance exclusion: children keep a parent's low base only if they move in as their principal residence and file timely, with a $1,044,586 adjustment for qualifying transfers from Feb 16, 2025 through Feb 15, 2027.

Real-life example

A couple bought in Fountain Valley in 2006 for $650,000; after 20 years of capped increases (and a dip in the 2008–2012 downturn) their assessed value is about $940,000, on a home now worth $1.6M. They sell and downsize to a $1.1M single-level condo in Laguna Woods. Because the replacement's full cash value is within the applicable allowance, their ~$940,000 base moves with them: roughly $9,900/yr instead of the ~$11,600+ a full reassessment would bring. Buying up at $1.8M instead? The result depends on timing: bought before the sale ≈ $1.14M new base; in the first year after ≈ $1.06M; in the second year ≈ $980K. Illustrations only — assessor-determined full cash values control.

→ The full downsizer playbook: deadlines, forms, and where to land

1986 / 1996

Props 58 & 193 — the old inheritance rules

These once let parents (and sometimes grandparents) pass a home and up to $1M of other property to children without reassessment, no move-in required. Prop 19 replaced them in February 2021 — a big deal for estate planning, and a conversation worth having with your attorney well before a transfer.

Real-life example

Mom's Whittier home: factored base-year value $350,000, fair market value $1.5M. If her daughter inherits, moves in as her principal residence, timely claims the homeowners' (or disabled veterans') exemption, and files the claim with the assessor, the exclusion applies with the current $1,044,586 adjustment (qualifying transfers 2/16/2025–2/15/2027): $350,000 + [$1,500,000 − ($350,000 + $1,044,586)] ≈ $455,414 illustrative new taxable value. Kept as a rental instead, the exclusion is lost and it reassesses to the full $1.5M. Illustration only — assessor-determined values control. Make the move-in decision with an estate attorney and your CPA before the transfer.

1982 / 1996

The Mello-Roos Act & Prop 218

The 1982 Mello-Roos Act created CFD special taxes for new communities; Prop 218, the "Right to Vote on Taxes" act, requires voter or landowner approval for local assessments and property-related fees. Together they explain most of the city-to-city variation on this site's map.

Real-life example

Two $750,000 homes, 15 minutes apart in Riverside County. The 1990s Corona house pays ~1.2% ≈ $9,000/yr. The 2018 Eastvale house adds a $3,800/yr CFD special tax — pushing its effective rate past 1.7% ≈ $12,800/yr. Same price, ~$315/month apart. The CFD's bond end-date is public record — always check how many years remain.

1986 / 2000

Props 46 & 39 — the bond stack

Prop 46 lets local bonds stack above the 1% cap with voter approval; Prop 39 lowered the bar for school bonds to 55%. This is where the extra decimal points on your rate come from — and why bond-heavy districts run 0.1–0.3% above the base.

Real-life example

A $1,000,000 City of Los Angeles purchase doesn't pay 1% — the bill stacks LAUSD and community-college bonds on top, landing near 1.22% ≈ $12,200/yr. Those extra decimal points are Props 46 and 39 at work.

Selling after decades?

Prop 19 is only half the tax conversation

The other half is capital gains: the federal home-sale exclusion (up to $250K single / $500K married), how documented improvements raise your basis, and why California's treatment differs from the federal rules. We cover the plain-English basics — and when to hand the numbers to your CPA — in the downsizer playbook.

→ Capital gains, explained gently

November 3, 2026

On this fall's ballot — the official list

Fourteen statewide measures have qualified, per the Secretary of State (as of August 4, 2026). The ones touching housing and taxes include Proposition 1 (the Veterans and Affordable Housing Bond Act of 2026), Proposition 37 (creates a loan program for middle-income buyers of qualified new homes), Proposition 43 (ACA 22 — local taxes: limitation), Proposition 45 (modifies environmental review for certain projects), and Propositions 41–42 (state tax limitation measures). Official numbers, titles, and analyses: the Secretary of State's qualified-measures list.

Good Questions

The ones buyers and sellers ask most

What's a supplemental tax bill, and why did I get one?

A change in ownership or completed new construction may produce one or two supplemental bills — or refunds. The calculation uses the difference between the prior assessed value and the new assessed value, prorated for the applicable fiscal-year period, and the result can be positive or negative. Kiri can estimate yours before closing so you're not caught off guard. It surprises almost every first-time buyer, and it's completely normal.

How do I find the exact taxes on a specific home?

The current bill is public: look the address up on the county treasurer-tax collector's website (Orange, Los Angeles, and Riverside each have one), and you'll see every line item including Mello-Roos and special assessments. Remember your bill will generally be recalculated from a new base-year value at fair market value — ordinarily evidenced by your purchase price. Kiri is happy to pull and translate one for you — it takes a few minutes.

Is buying in a Mello-Roos community a mistake?

Not at all — you're usually getting newer construction, newer schools, and parks in exchange. It's simply a cost to price in, like HOA dues. The key questions are how much, what the rate-and-method document says about duration, and whether the total monthly cost still fits comfortably. Kiri will run that math with you.

I'm over 55 and want to move — can I really keep my low tax bill?

In most cases, yes — that's Prop 19. You can transfer your current assessed value to a replacement home anywhere in California up to three times. If the new home costs more than the timing-based allowance, only the excess is added on top, which is usually still far better than a full reassessment. Both homes must meet principal-residence requirements, the allowance depends on timing (100/105/110% of the original's full cash value), and there are filing deadlines — talk through your specific numbers with your CPA or tax professional. The downsizer playbook walks through the deadlines and forms step by step.

My home is worth less than I paid. Can my taxes go down?

Possibly — that's Prop 8. Each county assessor has a decline-in-value review process, and requesting one is free. If granted, the reduction is temporary — and as values recover, a Prop 8 assessment can rise by more than 2% a year, though never above the factored Prop 13 value absent another reassessment event.

Ask Kiri

Want the exact numbers for a specific address?

Tell Kiri the property (or the city you're comparing) and he'll pull the real tax bill, check for Mello-Roos and special assessments, and walk you through what it means for your monthly payment — no obligation and no pressure.