Prop 19 “Loopholes”: What Closed and What Still Works
When people search for “Prop 19 loopholes,” they usually mean one of two things: the old parent-child strategy that Proposition 19 (2020) shut down, or the legitimate planning options that still let families keep a lower property-tax base. This guide separates the two — clearly, and without hype. (Note: this is California's 2020 property-tax measure, not the unrelated 2010 proposition that also carried the number 19.)
Proposition 19 took effect for inheritances on February 16, 2021. It did not eliminate every way to preserve a low assessed value, but it did close the biggest one. Here is what actually changed.
The loophole Proposition 19 closed
Before Proposition 19, Propositions 58 and 193 let a parent transfer to a child a primary residence of any value, plus up to $1,000,000 of assessed value in other real property, with no reassessment — regardless of how the child used it. Families famously inherited homes and kept them as rentals or vacation homes at decades-old tax levels.
Proposition 19 repealed that. For transfers on or after February 16, 2021, the parent-child exclusion applies only to:
- a family home that becomes the child's own primary residence, or
- a qualifying family farm.
The old $1,000,000 exclusion for other (non-residence) property is gone, and even the primary-residence exclusion is capped.
Before vs. after Proposition 19
| Situation | Before (Prop 58/193) | Now (Prop 19) |
|---|---|---|
| Inherited home kept as a rental | Kept the low assessed value | Reassessed to market value |
| Inherited home as the child's primary residence | Kept the low value, no cap | Low value kept, but capped (see below) |
| Other property (e.g. a second home) | Up to $1M of assessed value excluded | No parent-child exclusion |
| Value cap on the excluded amount | None on the residence | Assessed value + ~$1,044,586 (2025–2027) |
What still works (legitimately)
These aren't loopholes so much as the rules working as written — but they're the real ways families keep a lower base:
- A child inherits the family home and makes it their own primary residence (filing the homeowners' exemption within one year).
- The home's market value is within about $1 million of its assessed value, so little or no reassessment applies even for a qualifying primary residence.
- An eligible homeowner (55+, disabled, or a disaster victim) transfers their base-year value to a replacement home under Proposition 19 portability.
- Ordinary estate planning (wills, trusts) that doesn't change how the property is used — the use and the parent-child relationship still drive the tax result.
If you're 55 or older, the base-year transfer is usually the biggest lever you have — and it's only one of several programs for older homeowners. See California senior property-tax exemptions and programs for how it fits with the Homeowners' Exemption, Property Tax Postponement, and parcel-tax senior exemptions.
The $1 million exclusion, in plain terms
For a qualifying primary-residence inheritance, reassessment only kicks in on the amount by which the home's market value exceeds its assessed value plus about $1,044,586. If your parents' home is assessed at $300,000 and worth $1,200,000, the excess over ($300,000 + $1,044,586 = $1,344,586) is $0 — so it may not be reassessed at all, as long as you live there.
Myths and costly mistakes
“Just rent out the inherited house and keep the low tax.”
This is exactly the strategy Prop 19 closed. Since February 16, 2021, an inherited home that is not the heir's primary residence is reassessed to market value.
“Add the kids to title now to avoid reassessment.”
Adding children to title can itself trigger a reassessment or gift-tax issues, and lifetime gifts generally lose the step-up in income-tax basis at death. It often backfires.
“Prop 19 can be avoided entirely.”
For a high-value inherited home kept as a primary residence, the value above the assessed value plus roughly $1 million is still added to the tax base. The exclusion is capped, not unlimited.
Don't confuse the two “bases”
A lot of “loophole” confusion comes from mixing up two separate tax systems. Property-tax basis (governed by Prop 13/19) decides your California property tax and can be reassessed on inheritance. Income-tax cost basis (federal/state) decides capital gains and can get a step-up at death. An heir can receive a capital-gains step-up and still face a property-tax reassessment — the two aren't contradictory.
See what a Prop 19 transfer would actually save you
If you're moving (not inheriting), use the calculator and eligibility quiz to estimate your transferred tax base and savings.
Open the Prop 19 calculator & quizFrequently Asked Questions
What Prop 19 loophole did California close?
Under the former Propositions 58 and 193, a parent could transfer a primary residence (any value) plus up to $1,000,000 of assessed value in other property to a child without reassessment — even if the child rented it out. Proposition 19 repealed that. Since February 16, 2021, only a family home that becomes the child's own primary residence (or a family farm) can qualify, and even then a value cap applies.
Can I still inherit my parents' low property-tax base?
Sometimes. If you make the inherited home your own primary residence and file for the homeowners' exemption within a year, you may keep the low base — but if the home's market value exceeds its assessed value by more than the adjusted exclusion (about $1,044,586 for 2025–2027), the excess is added to your tax base.
Is there a legal way to avoid property-tax reassessment under Prop 19?
The legitimate paths are narrow: the primary-residence parent-child exclusion (subject to the value cap), family-farm transfers, and the 55+/disabled/disaster base-year transfer for homeowners who move. There is no blanket way to avoid reassessment on inherited investment property anymore.
How does Prop 19 affect inherited property held in a trust?
A trust does not get around Proposition 19. When a home passes to a child through a revocable living trust, the county still evaluates the transfer under the same parent-child rules: the exclusion applies only if the child makes the home their own primary residence (and a value cap applies), and the home is reassessed to market value otherwise. The trust changes how title passes, not whether the transfer qualifies — the parent-child relationship and the child's use of the home are what decide the tax result.
Did Prop 19 change the rules for property held in an LLC or corporation?
No. Proposition 19 addressed the parent-child exclusion and base-year transfers. It did not change California's separate legal-entity change-in-ownership rules. Those rules are complex and entity transfers do not qualify for the parent-child exclusion — consult a qualified attorney or tax advisor.
What is the deadline to claim the parent-child exclusion?
Generally you must file the exclusion claim within three years of the transfer (and before a subsequent transfer to a third party), and file for the homeowners' exemption within one year to meet the primary-residence requirement.
Learn More
This article is general educational information about California Proposition 19, not legal or tax advice, and does not create an advisor relationship. Proposition 19 rules have many details and exceptions; consult a qualified California attorney or tax professional and your county assessor before acting. Exclusion amounts are adjusted periodically.