If you have just inherited — or expect to inherit — a house in Malibu or elsewhere on the coast, the question that keeps people up at night is simple: what happens to the property taxes? Under the old California rules a child could inherit a beach house and keep a parent's tiny tax bill indefinitely. Proposition 19 ended that for transfers on or after February 16, 2021. This page walks through exactly what triggers a reassessment, how the narrowed parent-child exclusion now works, and the sell-versus-hold decision that follows. I'm Brian Cooper, REALTOR® at eXp Realty (DRE# 01434286).
Why inheriting a home triggers reassessment at all
California property tax runs on Proposition 13: a home is assessed at its value when you acquire it, and that assessed value grows no more than 2% a year afterward, no matter what the market does. The flip side is that a change in ownership resets the clock — the assessor establishes a new base-year value at current market. Death and inheritance are change-in-ownership events. Without an exclusion, the inherited Malibu house is reassessed to what it is worth on the date of the parent's death, and the low base a parent enjoyed for decades disappears.
Before 2021, the parent-child exclusion let families sidestep that reset almost entirely for a primary residence of any value (plus $1,000,000 of other property). Prop 19 replaced that broad shelter with a much narrower one. Understanding the new shelter — and its limits — is the whole game for a coastal heir.
The post-2021 parent-child exclusion, in plain terms
Under Prop 19, the exclusion that can keep some of the parent's low base survives only for the family home (the parent's principal residence) or a family farm, and only if the child makes it their own principal residence. Two conditions must both be true:
- Occupancy: the inheriting child (or grandchild, in a qualifying grandparent-grandchild transfer) moves in and uses the home as a principal residence, filing for the homeowners' exemption or disabled veterans' exemption, generally within one year of the transfer.
- Value cap: even with occupancy, the shelter is limited. You keep the parent's factored base-year value plus an indexed amount — $1,044,586 for transfers between February 16, 2025 and February 15, 2027 (California BOE News Release NR 25-02, adjusted every two years by the FHFA California House Price Index). Market value above (factored base + indexed amount) is added to the base and reassessed.
Miss the occupancy condition and there is no exclusion at all: the home is reassessed to full market value. That is the reality for most inherited Malibu houses, because many heirs already own homes elsewhere and were never going to live on the coast full-time.
What the reassessment looks like on a Malibu home (illustrative only)
These figures are a hypothetical to show the mechanic. They are not a quote, an appraisal, or a prediction about any real property; use your parcel's actual numbers and confirm them with a professional.
Imagine a parent's Malibu home carrying a factored base-year value of $720,000 (decades of Prop 13 growth on an older purchase) and a market value at death of $5,500,000. Two paths:
| Path (illustrative) | New assessed value | Note |
|---|---|---|
| You occupy as principal residence | ~$4,455,414 | $5,500,000 − $1,044,586 indexed exclusion |
| You keep it as a second home/rental | $5,500,000 | Full market reassessment, no exclusion |
Even the "best case" leaves you assessed at roughly $4.46M rather than the parent's $720K, because the indexed exclusion shelters only about a million dollars over the old base. On a home worth many millions, that is a small cushion. The everyday property-tax difference between $720K and $4.46M of assessed value is tens of thousands of dollars a year, every year you own it.
Property tax versus income-tax basis: two different taxes
Heirs frequently conflate two rules that point in opposite emotional directions. Prop 19 is a property-tax rule and it generally works against you on a high-value inheritance. But there is a separate income-tax rule that generally works in your favor: under Internal Revenue Code §1014, inherited property receives a stepped-up basis equal to its fair-market value at the date of death. If the Malibu home is later sold near that value, there is little or no taxable capital gain, regardless of what the parent originally paid.
Put them together and a pattern emerges. If you are not going to live in the home, holding it means paying a large reassessed property-tax bill year after year, while the stepped-up basis means you could sell shortly after death with minimal capital-gains tax. That combination pushes many non-occupying heirs toward a sale. If you are going to live there, the capped exclusion at least softens the property-tax hit, and the calculus changes. See my inherited property & step-up basis guide for the income-tax side in detail.
When multiple siblings inherit
Coastal estates often pass to several children at once, and that complicates the exclusion. The family-home exclusion generally requires at least one eligible transferee to occupy the property as a principal residence. If one sibling moves in and the others become co-owners of a home they don't occupy, the arrangement raises questions: whose homeowners' exemption applies, how the exclusion is allocated, whether a buyout is a further change in ownership, and how a trustee's fiduciary duties bear on selling versus keeping. These are legal questions, not marketing ones — get an estate or trust attorney involved before anyone records a deed.
The paperwork and the clock
Reassessment is not automatic paperwork you can ignore. To claim the family-home exclusion you file a claim with the county assessor (in Malibu's case, the Los Angeles County Assessor), and you file for the homeowners' exemption to evidence principal-residence use. There are forms and deadlines, and the one-year occupancy/filing window is real. If the home passed through a trust, the successor trustee handles notices and, often, the sale; if it passed through probate, the executor does. Either way, missing the window can forfeit the exclusion you were entitled to. Confirm the exact forms and dates with the assessor and your attorney.
How Malibu compares to the rest of the corridor
Malibu sits in Los Angeles County, so an inherited Malibu home runs through the Los Angeles County Assessor, while a Carpinteria or Montecito home runs through Santa Barbara County and an Oxnard-to-Ventura coastal home through Ventura County. The Prop 19 rules themselves are statewide and identical across counties — the factored base plus the indexed exclusion, the occupancy requirement, and the one-year filing window apply the same way everywhere. What differs is the local assessor's forms, processing, and tax-rate areas, plus the underlying market values, which tend to run highest in Malibu and the Santa Barbara enclaves. If an estate spans counties — say a primary residence in one and a coastal second home in another — expect to deal with more than one assessor, and remember that only the occupied primary residence can qualify for the family-home exclusion at all.
Sell or hold? A framework, not a verdict
There is no universal answer, but the decision usually turns on four inputs:
- Will an heir genuinely live there? If yes, the capped exclusion is available and holding is more attractive. If no, the exclusion is off the table.
- What is the reassessed annual property-tax cost? On a high-value coastal parcel this is a serious recurring number that a vacation home has to justify.
- What does the stepped-up basis make a near-term sale look like? Often little capital-gains tax if sold close to the date-of-death value.
- What does the family actually want? Legacy, liquidity, and simplicity all count, and siblings don't always agree.
My role is the real-estate piece: an accurate current-market valuation, a clean marketing and sale process if the family sells, and honest numbers so your CPA and attorney can complete the tax and legal picture. For the mechanics of selling a coastal property held in a trust, see selling a coastal estate held in a family trust.
Frequently Asked Questions
Will my property taxes go up if I inherit a Malibu house?
Usually, yes. Inheriting a home is a change in ownership that triggers reassessment to market value under California law. Prop 19's family-home exclusion can soften that only if you make the home your principal residence, and even then the exclusion is capped at the parent's factored base plus an indexed amount ($1,044,586 for Feb 16 2025 through Feb 15 2027). Value above that is reassessed, and a home you don't occupy is reassessed in full.
Do I have to move into the inherited coastal home to keep a low tax base?
Yes. The parent-child family-home exclusion applies only if you make the inherited home your own principal residence and file for the homeowners' or disabled veterans' exemption, generally within one year of the transfer. If you keep it as a vacation home or rental, no exclusion applies and it is reassessed to full market value.
How much of the value is protected?
You keep the parent's factored base-year value plus an indexed amount ($1,044,586 for Feb 16 2025 through Feb 15 2027). If market value at transfer is higher, the excess is added to the base, so the new assessed value is roughly market value minus the indexed exclusion. On a high-value Malibu home, most of the value is typically reassessed.
Does inheriting the home also change my income-tax basis?
That is a separate tax. Under IRC §1014, inherited property generally receives a stepped-up income-tax basis equal to fair market value at the date of death, which can reduce or eliminate capital-gains tax on a sale shortly after death. Property-tax reassessment under Prop 19 and income-tax basis under IRC §1014 are different rules with different answers. Confirm both with a CPA.
What if several siblings inherit the Malibu house together?
The family-home exclusion generally requires at least one eligible transferee to occupy the home as a principal residence. Co-ownership among siblings raises occupancy, buyout, and fiduciary questions, especially if some want to sell and others want to keep it. Get legal advice before recording anything.
Should I sell the inherited coastal home instead of keeping it?
It depends on whether an heir will actually live there, the ongoing property-tax cost after reassessment, the stepped-up basis, and the family's goals. For many heirs who won't occupy a high-value coastal home, selling shortly after death captures the step-up and avoids a large annual tax bill. It is a family-by-family decision to make with a CPA and attorney.
