If you inherited a California home from a parent on or after February 16, 2021, Proposition 19 generally lets you keep the parent's lower property tax value only if the house was the parent's principal residence, you make it your own principal residence, and you file the claims on time. A home you plan to rent out or sell is generally reassessed to market value.
California property guideUpdated October 17, 2026General information, not legal or tax advice
Most people facing this question have just learned that the property tax bill on a parent's house may not stay what it was for decades, and they are trying to work out what that means before anyone signs a listing agreement or agrees to an offer. Siblings may be asking whether someone should move in, an executor may be fielding letters from the county, and an heir in another city may simply want to know whether keeping the house for a while costs more than selling it. This page walks through how Proposition 19 treats inherited real estate in California, and how that answer feeds into a decision to sell.
What Proposition 19 Changed for Inherited Property
Proposition 19 was approved by California voters on November 3, 2020, and its rules for transfers between parents and children, and between grandparents and grandchildren, became operative on February 16, 2021, as the State Board of Equalization's Proposition 19 page explains. The State Board of Equalization is the state agency that issues guidance to the county assessors who apply these rules.
The rule turns on reassessment. In plain words, reassessment means the county assessor sets a new taxable value for the property based on its current fair market value. California law treats a transfer of a present interest in real property, including its beneficial use, whose value is substantially equal to the value of the full ownership interest, as a "change in ownership" under Rev. & Tax. Code section 60, and the Board's change in ownership FAQ says that once a change in ownership occurs, the assessor reassesses the property to its current fair market value as of that date. Where today's value is higher than the old adjusted value, the tax bill goes up.
Before Proposition 19, Rev. & Tax. Code section 63.1 excluded from reassessment a transfer between parents and children of the parent's principal residence, plus the first $1,000,000 of full cash value of the parent's other real property. That meant a rental house or a cabin could often pass to a child at the parent's old tax value. The Board's page says that law, from Proposition 58, still applies to deaths on or before February 15, 2021.
For deaths on or after February 16, 2021, Rev. & Tax. Code section 63.2 governs, and it is narrower: only a family home or a family farm qualifies. Proposition 19 also created base-year value transfers for some homeowners 55 and older, operative April 1, 2021; that side of the measure is a different subject from inherited property.
The Three Conditions for the Exclusion Under Rev. & Tax. Code § 63.2
The starting point is family relationship. Rev. & Tax. Code section 63.2 covers transfers between parents and their children, and between grandparents and grandchildren, with "children" defined to include, among others, biological children not adopted by someone else, certain stepchildren, sons- and daughters-in-law, children adopted before age 18, and certain foster children. Within that relationship, three things have to be true.
1. The home was the parent's principal residence. The statute requires the transfer to be of the transferor's principal residence, which it defines as a dwelling eligible for a homeowners' exemption or a disabled veterans' exemption because the transferor owned and lived in it.
2. The home becomes the heir's principal residence. Under Rev. & Tax. Code section 63.2, the home must become the transferee's principal residence within one year of the transfer, and the transferee must file for the homeowners' or disabled veterans' exemption within a year of the transfer.
3. A claim for the exclusion is filed with the assessor. The statute says the exclusion is not allowed unless a claim is filed with the assessor; it does not happen on its own. The deadline is covered in the filing section below.
For a grandchild, there is one more requirement: the statute applies to a grandparent-grandchild transfer only if all of the grandchild's parents who qualify as children of the grandparents, other than stepparents, are deceased as of the date of the transfer.
On the occupancy rule, the Board's Letter To Assessors No. 2026/026 is direct: the home must qualify as the transferee's principal residence within one year after the transfer, and "there are no exceptions to this rule." Where a parent died, the Board's Proposition 19 Fact Sheet notes that the date of death is treated as the date of transfer, so the one-year clock generally runs from the death.
How the Value Limit Works — and What Happens When the Inherited Home Is Worth More
Even when every condition is met, the exclusion is capped. Rev. & Tax. Code section 63.2 sets the new taxable value as the parent's taxable value just before the transfer, called the factored base-year value (the value set when the parent acquired the home, plus the yearly inflation adjustments), plus an added amount that depends on the market value at transfer.
The rule works in two steps. Add the factored base-year value and the value limit together. If the home's fair market value at transfer is less than that sum, nothing is added and the parent's taxable value carries over in full. If the fair market value equals or exceeds that sum, the excess over the sum is added to the parent's taxable value. The county assessor determines fair market value for this purpose.
The statute states the value limit as $1,000,000, and the Board adjusts it every other year. Its Letter To Assessors No. 2025/009 lists $1,000,000 for transfers from February 16, 2021, through February 15, 2023; $1,022,600 from February 16, 2023, through February 15, 2025; and $1,044,586 from February 16, 2025, through February 15, 2027, with the next adjustment in February 2027. The Board and the county assessor publish the amount for later periods.
Hypothetical
Parent's factored base-year value
Value limit used
Market value at transfer
New taxable value
Home A
$200,000
$1,000,000
$1,100,000
$200,000
Home B
$200,000
$1,000,000
$1,400,000
$400,000
These are hypotheticals, not real cases, and they use a round $1,000,000 limit for easy arithmetic. For Home A, the sum is $1,200,000; the $1,100,000 market value is below it, so the $200,000 value carries over. For Home B, the $1,400,000 market value exceeds the $1,200,000 sum by $200,000, so the new taxable value is $200,000 plus $200,000, or $400,000.
The cap only matters once the conditions are met. A property that fails them gets no partial relief; it is reassessed to market value.
What Happens When the Heir Does Not Move In — or the Property Is a Rental or Vacation Home
For many families reading this, no one plans to live in the house. That is where the narrower rule has the most effect.
A property that was not the parent's principal residence does not qualify. The Board's Proposition 19 page says the exclusion is limited to a family home that was the transferor's principal residence and becomes the transferee's, or a family farm, so "the transfer of a rental home between parents and children would not qualify." A vacation home or second property is in the same position, and the property is generally reassessed to its fair market value as of the date of the change in ownership.
A parent's home that no heir moves into is also reassessed. Meeting the parent's side of the test is not enough when the home never becomes the heir's principal residence within the year.
A trust does not change the analysis by itself. Rev. & Tax. Code section 63.2 defines a transfer to include one through a trust, and the Board's 2026 letter says that, for property tax purposes, the assessor looks through the trust to whoever has present beneficial ownership; if the statute's requirements are otherwise met, property held in a trust is eligible.
The same letter says the mode of transfer is not an issue, naming a sale, gift, joint tenancy transfer, inheritance and intestate transfer. A transfer on death deed, California's deed that passes real property to a named beneficiary at death, is another way a home passes, and the questions the assessor asks still come back to relationship, occupancy and a timely claim.
When several siblings inherit together, the Board's page says at least one eligible transferee must continually live in the home as their family home for the exclusion to continue, and the Fact Sheet says that if one child moves out and another moves in, a new claim must be filed within one year of the move-out. How the assessor treats each sibling's share depends on the facts, and the county assessor's office is the place that answers it. If siblings disagree about who lives there or whether to sell, a contested matter is a different subject handled by an attorney who litigates trust and probate cases.
The Basis of Inherited Property and Federal Income Tax — A Separate Question
A property tax reassessment and the income tax on a sale are two different systems, run by different governments. Proposition 19 and Rev. & Tax. Code section 63.2 decide the yearly California property tax, applied by the county assessor. Federal income tax on a gain when the house is sold depends on the property's basis, which is federal law administered by the IRS.
Basis is the figure a sale price is measured against to find a gain. Under 26 U.S.C. § 1014(a), the basis of property acquired from a decedent is generally its fair market value at the date of death. The same subsection gives alternatives: its value at the alternate valuation date where an election is made under section 2032 of the Internal Revenue Code, its value under section 2032A where that election is made, or, to the extent the exclusion in section 2031(c) applies, the decedent's own basis.
This is often called a stepped-up basis, and it can mean that if an heir sells for close to the date-of-death value, the gain for federal income tax purposes may be small. It has nothing to do with whether the county reassessed the house, and a reassessment does not change the basis. Whether a particular sale produces a taxable gain depends on the estate, the sale and the seller, and a CPA, an enrolled agent or a tax attorney is the kind of professional who reviews that question.
Filing the Claim — BOE-19-P and the County Assessor
The claim form is BOE-19-P, the Claim for Reassessment Exclusion for Transfer Between Parent and Child Occurring On or After February 16, 2021. The Board's Fact Sheet says it is submitted to the county assessor where the property is located, not to the Board itself. Every county has an assessor's office, Los Angeles County's and Sacramento County's among them, and that local office receives the claim and answers questions about a specific property.
Two filings are involved, as the Board's 2026 letter describes: the homeowners' or disabled veterans' exemption, and the exclusion claim itself.
Under Rev. & Tax. Code section 63.2, the exclusion claim is due within three years after the transfer, or before the property is transferred to a third party, or before an eligible transferee no longer occupies the residence, whichever is earlier. A claim is also treated as timely if filed within six months after the assessor mails a notice of supplemental or escape assessment for the transfer. If those periods have passed and the property has not gone to a third party, the assessor still considers a late claim, but any exclusion begins with the lien date of the assessment year in which the claim is filed. If the assessor sends a written notice of potential eligibility, the statute asks for a certified claim within 45 days of that notice.
A separate filing applies to every inherited property. Under Rev. & Tax. Code section 480, where the estate is probated, the personal representative (the executor or administrator appointed by the court) files a change in ownership statement before or when the inventory and appraisal is filed with the court; in other transfers at death, including through a trust, the trustee or the transferee files within 150 days after the date of death. Probate Code section 8800 asks the personal representative to certify that filing along with the inventory and appraisal.
None of this reaches back to deaths before February 16, 2021; those transfers fall under the prior law.
Selling an Inherited Property After Prop 19 — What the Reassessment Means for a Sale
A higher assessed value is a carrying cost. Once a house is reassessed, each year of holding it carries the larger tax bill alongside insurance, utilities and upkeep, and that shapes how long a family can comfortably keep a property it does not live in. An heir who qualifies and moves in keeps the lower value only while living there as a principal residence.
For heirs who are not moving in, the reassessment follows from the inheritance itself. The Board treats the date of death as the date of the change in ownership, so a sale neither causes nor undoes that reassessment; the buyer's purchase is its own change in ownership. A sale also leaves the earlier steps in place: in a probate estate, the court-appointed representative's authority, and any court steps that apply, are the same whoever buys, a subject set out in selling during probate in California. The disclosures a seller owes are likewise the same whoever the buyer is.
The ways to sell each carry tradeoffs:
A listing with a licensed real estate agent. The agent markets the home to the open market, which often draws the widest pool of buyers, in exchange for a commission, preparation and showings.
A sale by the owner without an agent. The seller avoids a listing commission but handles pricing, marketing, showings and paperwork, and may face buyers who need a loan.
A direct sale to a buyer who pays cash and takes the property as it is. A house can be sold in its present condition this way, though a direct offer is often lower than an open-market price, because the buyer absorbs the repairs, the risk and the cost of reselling; in return the seller gets less preparation, fewer showings and less dependence on a buyer's loan. Silver Lining Inherited Property is one buyer that makes offers for a direct as-is sale, and asking for one carries no obligation to sell.
Families weighing a house that needs repairs often compare written offers and estimated net proceeds: the price less commissions, repairs, carrying costs, loan payoffs and closing costs. That comparison, more than the headline price, is how a family tells which way fits; the tradeoffs are set out side by side in cash offer versus listing.
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Frequently Asked Questions
Does Prop 19 apply to inherited property?
Yes. For transfers on or after February 16, 2021, Rev. & Tax. Code section 63.2 governs parent-child and grandparent-grandchild transfers. The exclusion applies only when the home was the parent's principal residence, becomes the heir's principal residence within a year, and the claims are filed. Other inherited property is generally reassessed to market value.
Is Proposition 19 still in effect in California?
Yes. Its intergenerational transfer rules became operative on February 16, 2021, and the State Board of Equalization continues to publish guidance on them, including its August 3, 2026 letter to county assessors answering common questions.
What is the tax loophole for inherited property?
The rule people often mean is the older one. Rev. & Tax. Code section 63.1 let children keep a parent's tax value on the parent's principal residence plus the first $1,000,000 of full cash value of other real property. For deaths on or after February 16, 2021, section 63.2 limits the exclusion to a family home the heir lives in, or a family farm.
How do you avoid Prop 19 reassessment in California?
Rev. & Tax. Code section 63.2 excludes a transfer only when the home was the parent's principal residence, becomes the heir's principal residence within one year, the homeowners' or disabled veterans' exemption is filed within a year, and a timely BOE-19-P claim reaches the county assessor. Without those, reassessment follows.
How does Prop 19 affect inherited property held in a trust?
A trust does not by itself cause or prevent reassessment. The Board says assessors look through the trust to whoever has present beneficial ownership, and the same section 63.2 conditions apply. The trust's attorney can say how a particular trust is set up; the assessor's office decides the exclusion.
What is the value limit under Proposition 19?
It caps the exclusion: the excess of market value over the parent's factored base-year value plus the limit is added to the taxable value. The statute states $1,000,000, adjusted every other year, as described in the value-limit section above. The Board and the county assessor publish the amount for each period.
Does Proposition 19 apply to grandchildren inheriting property?
Yes, but only if all of the grandchild's parents who are children of the grandparents, other than stepparents, are deceased as of the transfer. The grandchild then meets the same residence, exemption and claim requirements as a child.
What happens to property taxes when I inherit a house I don't plan to live in?
The exclusion does not apply, and the county assessor generally reassesses the property to its fair market value as of the date of the change in ownership, which for a death is the date of death. That usually means a higher yearly tax bill while the house is held. A later sale does not change it.
What is the difference between Prop 19 reassessment and the stepped-up basis?
Prop 19 decides the yearly California property tax, applied by the county assessor. Basis under 26 U.S.C. § 1014(a) is the federal income tax starting point for measuring gain on a sale. A CPA, enrolled agent or tax attorney reviews the income tax side; the assessor's office handles property tax.