Who Qualifies for a Proposition 19 Property Tax Base Transfer in California?

Three groups of California homeowners qualify for a Proposition 19 tax base transfer: homeowners age 55 or older, homeowners who are severely and permanently disabled, and homeowners whose primary residence was substantially damaged or destroyed by a wildfire or other Governor-declared natural disaster. You need to fit only one group. If you qualify, you can carry your low Proposition 13 property tax base to a replacement home anywhere in California.

Key Facts

• You qualify if you are 55 or older, severely and permanently disabled, or a disaster victim — you need to fit only one of the three groups.

• The home you are leaving must be your primary residence. A rental or vacation home you own does not qualify as the original property.

• The replacement home must also become your primary residence. You cannot carry your tax base to a home you plan to rent out.

• For age qualification, you must be at least 55 on the date you sell your original home — not the date you buy the replacement.

• For a married couple, only one spouse on title needs to be 55 or older for the household to qualify.

Who Are the Three Qualifying Groups?

Proposition 19 opens the tax base transfer to three distinct groups, and the rules for each are slightly different.

Group 1 — Homeowners age 55 or older. You must be at least 55 on the date you sell your original home. Your reason for moving does not matter. Whether you are downsizing, moving closer to family, or relocating to a different part of California, age is the only test for this group. One spouse on the title being 55 or older qualifies the entire household.

Group 2 — Severely and permanently disabled homeowners. Age does not matter for this group. What matters is a qualifying disability confirmed by a licensed physician and a move that accommodates or relieves that disability. You prove eligibility with a Certificate of Disability (form BOE-19-DC) signed by your doctor, filed alongside your claim.

Group 3 — Wildfire and disaster victims. If a Governor-declared disaster substantially damaged or destroyed your home, you can transfer your tax base regardless of age. This group has two options the others do not — you can rebuild on the original lot and have your old base year value reinstated, or you can buy a replacement home and carry the base to it. Chapter 6 of Prop 19 Hero covers the disaster rules in full.

What Does the Original Home Need to Qualify?

All three groups share one requirement about the property you are leaving. It must be your principal residence — the home you actually live in as your main home.

The practical proof is the homeowners' exemption. This is the small property tax reduction the county gives owners who live in their own home. If your original home had that exemption on file, it tells the assessor you lived there. A rental property you own, or a vacation cabin you visit occasionally, does not qualify as the original home for this benefit, even if it has a low tax base worth preserving.

What Does the Replacement Home Need to Qualify?

The replacement home must also become your principal residence. You cannot carry your low tax base to a home you plan to rent out, leave vacant, or use as a second home. When you file your claim, the replacement must be your main home and must qualify for either the homeowners' exemption or the disabled veterans' exemption.

In short, this benefit moves a home you live in to another home you will live in. It is not a tool for transferring a low tax base to investment property.

How Do You Prove Eligibility — and What Forms Do You File?

Each group uses a different state form, and knowing which one you need before you move saves time.

If you qualify by age 55 or older, you file form BOE-19-B with the assessor in the county where your replacement home sits. You submit proof of age — typically a copy of a government-issued ID — along with the claim.

If you qualify by disability, you file form BOE-19-D (the disabled-person claim) together with form BOE-19-DC (the Certificate of Disability, signed by your physician). The disability must be severe and permanent, and the move must be connected to accommodating or easing it.

If you qualify as a disaster victim, you file form BOE-19-V and show that a Governor-declared disaster substantially damaged or destroyed your home. Substantial damage means physical damage exceeding 50% of the home's improvement value — the value of the structure, not the land.

All three groups file with the assessor in the county where the replacement home sits, not the county they moved from. Filing in the wrong county is one of the most common errors families make.

A Worked Example: Sacramento Homeowner Moving Closer to Family

Here is how qualification works in practice. A 62-year-old Sacramento homeowner has owned her home since 1997. Her factored base year value — the taxable value she built up under Proposition 13 — is $185,000. Her home is now worth $750,000. She wants to move to a smaller home near her daughter in Placer County.

She qualifies under Group 1: she is 55 or older. Her original home is her primary residence and has the homeowners' exemption on file. She plans to live in the replacement home as her primary address.

She sells her Sacramento home and buys a Placer County home for $680,000. Because the replacement costs less than the original, her $185,000 factored base year value transfers to the new home with no change. She files form BOE-19-B with the Placer County assessor within a few months of closing. Her tax bill in the new home is calculated on $185,000 — not $680,000.

Without the transfer, her Placer County bill would be based on the $680,000 purchase price — roughly $6,800 per year. With the transfer, it stays near her old Sacramento bill — roughly $1,850 per year. That is a savings of nearly $5,000 every year going forward.

Chapter 3 of Prop 19 Hero covers every eligibility question in detail, including what happens when one spouse is younger than 55, how to handle owning multiple properties, and exactly what the disability and disaster tests require.

Summary

• Three groups qualify for a Proposition 19 tax base transfer: homeowners 55 or older, severely and permanently disabled homeowners, and victims of a Governor-declared disaster.

• You need to fit only one group to qualify.

• Both the original home and the replacement home must be your primary residence.

• The age test applies at the date you sell your original home, not the date you buy the replacement.

• For married couples, one spouse on title being 55 or older qualifies the household — that transfer counts against the older spouse's lifetime limit.

• Each group uses a specific state claim form filed with the assessor in the county where the replacement home sits.

Get the Full Picture

Read the book. Prop 19 Hero walks through every eligibility rule, every exception, and every form with plain-language explanations and real California examples. Find it on Amazon.

Talk to Bart. If you own a home in Sacramento and want to know whether you qualify and how to carry your tax base to a new home, Bart Hubbard can walk you through the numbers before you list. Reach out at Prop19Hero.com.

About the Author

Bart Hubbard is a California real estate associate at HomeSmart ICARE Realty (DRE #01815497) and a C.A.R. Certified Probate & Trust Specialist. He wrote Prop 19 Hero to give California homeowners 55 and older a clear, practical guide to the property tax rules that affect every move they make. He works with buyers and sellers throughout the Sacramento area. Reach him at [email protected] or www.prop19hero.com.