Proposition 19 lets California homeowners aged 55 or older sell their primary residence and carry its low Proposition 13 taxable value to a replacement primary residence anywhere in the state, up to three times in a lifetime.1California State Board of Equalization. Proposition 19 That is how Prop 19 works for seniors in California: instead of the new home being reassessed at its full purchase price, your existing tax base moves with you, with only a modest upward adjustment if the replacement costs more than the original sold for. The transfer took effect April 1, 2021 and replaced the narrower rules under Propositions 60 and 90.
The savings can be dramatic. A house bought decades ago may have a taxable value a fraction of what it would sell for today. Selling it and buying another home without Prop 19 would reset the assessment to the new purchase price, often multiplying the annual property tax bill. Prop 19 stops that reset for seniors who follow the rules below.
Who Qualifies
Eligibility is set by California Revenue and Taxation Code Section 69.6. You must be at least 55 years old when you sell the original home.2California Legislative Information. California Revenue and Taxation Code 69.6 For married couples who jointly own the property, only one spouse needs to meet the age threshold. The same statute also opens the transfer to people with severe permanent disabilities and to victims of wildfires or other natural disasters, but the age-55 route is the one most seniors use.
Beyond age, both homes have to be your principal residence. Each must qualify for either the homeowners’ exemption or the disabled veterans’ exemption, which is the legal way of saying you actually live there as your main home.2California Legislative Information. California Revenue and Taxation Code 69.6 Vacation homes, rentals, and investment property do not qualify on either side of the swap.
The two transactions have to happen within two years of each other. You can buy the replacement first and then sell the original, or sell first and then buy, as long as both closings fall inside that two-year window.1California State Board of Equalization. Proposition 19 When you file the claim, you must own and be living in the replacement home.
How Your Property Tax Is Calculated on the New Home
The math splits into two cases.
If the replacement home’s market value is equal to or less than what the original home sold for, your factored base year value transfers straight across. The taxable value on the new home is exactly what it was on the old one.3California State Board of Equalization. Proposition 19 Base Year Value Transfer Guidance Questions and Answers A senior downsizing from a $900,000 home to a $700,000 home keeps the same tax base and the same bill.
If the replacement costs more than the original sold for, the difference gets added to your transferred base. Take an original home with a $250,000 factored base year value that sells for $800,000, and a replacement bought for $900,000. The $100,000 price gap is added to the $250,000 base, giving a new taxable value of $350,000.3California State Board of Equalization. Proposition 19 Base Year Value Transfer Guidance Questions and Answers The tax bill is far lower than it would be on a fresh $900,000 assessment. There is no ceiling on the replacement’s price; the same upward-adjustment formula applies at any level.4California State Board of Equalization. Proposition 19 Fact Sheet
Buying up is a change from the old law. Propositions 60 and 90 only allowed moves to a home of equal or lesser value. Prop 19 removed that restriction.
Moving Anywhere in California, Up to Three Times
The transfer works in any of California’s 58 counties. You are no longer limited to the same county or to counties that opted in under the older rules.1California State Board of Equalization. Proposition 19 A homeowner in the Bay Area can retire to San Diego, the Central Valley, or the Sierra foothills and carry the low tax base along.
You get three transfers over your lifetime.4California State Board of Equalization. Proposition 19 Fact Sheet If you already used a transfer under Proposition 60, 90, or 110, that earlier use does not count against your Prop 19 allotment; you still have three fresh transfers available.1California State Board of Equalization. Proposition 19
How to File the Claim
The claim goes on form BOE-19-B, “Claim for Transfer of Base Year Value to Replacement Primary Residence for Persons at Least Age 55 Years.”5California State Board of Equalization. Claim for Transfer of Base Year Value to Replacement Primary Residence for Persons at Least Age 55 Years File it with the county assessor’s office where the new home is located, not where the old one was.
You will list the parcel numbers of both properties, the sale price and closing date of the original, and the purchase price of the replacement. The form asks for your Social Security number so the assessor can verify eligibility and the state can track your three-transfer count. Keep your closing statements next to you while filling it out; the figures on the form need to match the recorded numbers.
You have three years from the purchase or completion of the replacement home to file. File inside that window and the transfer applies retroactively to when you acquired the new property. Miss it and you can still file, but the new tax base only starts with the year you actually submit the claim; the years in between are lost.2California Legislative Information. California Revenue and Taxation Code 69.6
After You File
Processing typically takes several months. Once the assessor approves the claim, you will receive notice of the recalculated assessed value. If you had been paying tax at the full market value on the new home in the meantime, expect a refund or a reduction in future supplemental assessments.
Timing is worth thinking about before you list. If you close on the replacement before selling the original, you owe property tax at the full market value of the new home during the overlap period, and that money is not refundable.1California State Board of Equalization. Proposition 19 Selling first avoids the gap, though real estate rarely cooperates on schedule.
If the assessor denies the claim, you can appeal to your county’s assessment appeals board, whose decisions are legally binding.6California State Board of Equalization. Assessment Appeals Deadlines vary by county, so contact the board quickly after a denial.
Federal Capital Gains on the Sale of Your Old Home
Prop 19 governs property tax, not income tax. Selling a home you have owned for decades can produce a large capital gain. Federal law lets you exclude up to $250,000 of that gain if you file as a single taxpayer, or up to $500,000 on a joint return.7Internal Revenue Service. Sale of Your Home To qualify, you must have owned and used the home as your principal residence for at least two of the five years before the sale, and those two years do not have to be consecutive.8Office of the Law Revision Counsel. 26 USC 121 – Exclusion of Gain From Sale of Principal Residence Gain above the exclusion is taxable. A tax professional can help you model this before listing.
What Prop 19 Changed for Property Left to Children
Seniors planning ahead often assume the parent-to-child transfer rules still work the way they did under Proposition 58. They do not. Effective February 16, 2021, Prop 19 narrowed the parent-child exclusion sharply, and this catches families off guard.
Two conditions now apply for any exclusion from reassessment on a transfer from parent to child:9California Legislative Information. California Revenue and Taxation Code 63.2
- The property must have been the parent’s principal residence, and the child must move in and use it as their own principal residence within one year, filing for the homeowners’ or disabled veterans’ exemption in that same year. Rentals, vacation homes, and commercial property no longer qualify for any exclusion.
- The exclusion is capped. It protects the current assessed value plus $1,044,586 (the figure adjusted for transfers through February 15, 2027). Market value above that combined amount is added to the child’s new tax base.1California State Board of Equalization. Proposition 19
Consider a home with a $300,000 factored base year value and a $1.8 million market value. The exclusion covers $300,000 plus $1,044,586, or $1,344,586. The remaining $455,414 in market value is added on, making the child’s new tax base $755,414 rather than the full $1.8 million.4California State Board of Equalization. Proposition 19 Fact Sheet
If the child does not move in, or does not file for the homeowners’ exemption within a year, the property is fully reassessed to market value. Rental and vacation properties that a parent hoped to pass down now trigger a full reassessment with no exclusion at all.9California Legislative Information. California Revenue and Taxation Code 63.2 Seniors doing estate planning around California real estate should factor this into any decision about what to sell, what to keep, and what to leave behind.