Prop 19 has no secret loophole, but its own rules leave real options: an heir who moves in, the value limit, buying before you sell and three transfers.
4 min read
People search for Prop 19 loopholes because the 2021 change surprised many families. There is no secret trick. What does exist are options written into Prop 19 itself, which many owners and heirs never use because they do not know about them. Each one below comes from the Board of Equalization's (BOE) published rules.
For heirs: one child moving in keeps the low value
The family home exclusion still exists. If the home was your parent's principal residence and becomes your principal residence, its taxable value can carry over to you. You have to file for the homeowners' exemption within one year of the transfer or the date of death. Miss that year and the exclusion only applies going forward from when you file.
This is the largest legal option in Prop 19, and the inherited home guide explains the deadline step by step.
Only one heir needs to live there
When several children inherit together, they do not all have to move in. BOE says that as long as at least one of the children lives in the home as their principal residence and files the exemption within a year, the exclusion should be allowed. That helps when one sibling wants to live in the house and the others do not.
The low value lasts while that heir lives there. Once it stops being their principal residence, the home gets a new taxable value as of the next lien date.
The value limit is higher than many think
The exclusion is not capped at $1 million flat. The limit is the home's taxable value plus an amount BOE adjusts every two years: $1,044,586 for transfers from February 16, 2025 to February 15, 2027. A home worth more than that limit still gets the exclusion. Only the amount over the limit is added to the taxable value. The calculator shows the math for your numbers.
For owners 55 and older: carry your tax value to a new home
If you are 55 or older, severely disabled or a disaster victim, you can sell your principal residence and move its taxable value to a replacement home anywhere in California. You can do it up to three times. The replacement can cost more, with only the difference added. The base year value transfer guide has the formula.
Timing: buying first and the two year window
The new home can be bought before you sell or within two years after. Buying first uses your sale price as the limit; buying in the first year after the sale uses the sale price times 1.05, and in the second year the sale price times 1.10. Buying first also means paying the full tax on the new home until the old one sells, so the order is a money decision, not only a tax one. The buy before you sell guide compares the two.
An inherited home can become your next transfer
BOE says an heir who inherited a family home, lives in it as a principal residence and is 55 or older can later sell it and transfer its taxable value to a replacement home, as long as all other requirements are met. For some families that turns one Prop 19 rule into a second.
What does not work
A living trust does not avoid the new rules by itself: a transfer at death is treated the same way. Giving the house away while the parent is alive does not help either, because the parent-child rules cover gifts. A rental or second home passed to a child does not qualify for the exclusion at all.
Other ideas you will see online, such as moving a house into a company or selling it to a child for a low price, come with their own reassessment and tax rules. Those are questions for an estate attorney or CPA, not for a website, and the step up basis guide shows how income tax can matter as much as property tax.
The short version
Prop 19 has no hidden loophole, but it has real options: an heir who moves in and files within one year, only one heir needing to live there, a value limit of the taxable value plus $1,044,586, and for owners 55 and older, up to three transfers anywhere in California. Trusts, gifts and rentals do not get around the rules. This page is general information from BOE's published rules, not tax or legal advice; confirm your plan with the county assessor and an estate attorney. If selling is part of the plan, start with the home value tool.
Quick questions
Is there a legal way to keep a parent's low property tax value?
Yes, if the home was the parent's principal residence and a child moves in, makes it their principal residence and files for the homeowners' exemption within one year. The value limit still applies.
Does putting the house in a living trust avoid Prop 19?
No. A transfer at death is treated the same way whether or not the home was held in a trust.
Do all the children have to move in?
No. BOE says one child who inherits and lives there as their principal residence is enough, as long as all other requirements are met.
Does giving the house away before death avoid reassessment?
No. The parent-child rules apply to gifts too. The home still has to become the child's principal residence to keep the low value.
Can a 55 or older heir move the inherited tax value to another home?
BOE says an inherited home can be the original home for a base year value transfer if the heir owns and lives in it as a principal residence at the right time and meets the other rules.
Source: California Board of Equalization, Proposition 19
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