Relocating to Sacramento · Property tax and Prop 19
Property Tax When Moving to Sacramento: Prop 19 Explained
Learn how a California base-year transfer works and who the law makes eligible. The deadlines decide whether it works for you.
Written by Maggie B. Hopkins, Broker-Owner · Real Estate & Mortgage Broker at Surroundings. Facts checked October 2026.
Why Property Tax Matters When Moving to Sacramento
Property tax when moving to Sacramento is a bigger question than most people expect. A California home's taxable value is set when you buy it and rises only by a small amount each year. After many years of ownership, the tax bill on a long-held home can be based on a value far below what the house would sell for today.
A purchase usually resets that taxable value to the new price. For a homeowner leaving a long-held house, the difference can be thousands of dollars a year. That's why Proposition 19 is one of the first topics we raise with anyone selling a California home to move here.
Prop 19 took effect for these transfers on April 1, 2021, according to the California State Board of Equalization (BOE). It lets eligible homeowners carry the taxable value of the home they sell to the home they buy.
Who Prop 19 Makes Eligible
The law sets eligibility, and the county assessor decides each claim. Under the BOE's published rules, a base-year value transfer is available to homeowners who meet at least one of these conditions when the original home is sold:
- Age 55 or older.
- Severely and permanently disabled.
- Victims of a wildfire or a Governor-proclaimed natural disaster, under that category's own rules.
The home you sell and the home you buy both have to be a principal residence. The BOE says the original home must be eligible for the homeowners' or disabled veterans' exemption at the time of sale, or within two years of buying the replacement.
The replacement home can be anywhere in California. A homeowner selling in San Mateo County and buying in Placer County can use the transfer, and so can one moving from Fresno to Elk Grove.
The Three-Transfer Rule
Eligible homeowners can use the transfer three times, per the BOE. The BOE also says that count applies even if a homeowner used an earlier transfer under Propositions 60, 90 or 110.
Three transfers give a long planning horizon. A homeowner could move from the Bay Area to a single-story home in Roseville, later move closer to a son or daughter in Davis, and still have one transfer left. Each move needs its own claim.
The Two Clocks: Buying and Filing
Two deadlines decide whether a transfer works.
- The buying window. The replacement home has to be bought or newly built within two years of selling the original, per the BOE. Buying first is allowed if the sale happens within two years of that purchase. During the gap, the replacement is taxed at its full value with no refund.
- The filing window. The claim is filed with the assessor in the county where the replacement home sits, within three years of the purchase or the completion of new construction. For homeowners 55 and older the form is BOE-19-B. For severely disabled homeowners the forms are BOE-19-D and BOE-19-DC.
Prop 19 isn't automatic. Nothing transfers until a claim is filed and approved. We remind clients to file, more than once, and we keep both closings inside the window when we plan a sale and a purchase together.
When the New Home Costs More
The value rules matter most for a move between counties with very different prices. The BOE defines "equal or lesser value" with a sliding scale:
- 100% of the original home's sale value if the replacement is bought before the sale.
- 105% if it's bought in the first year after the sale.
- 110% if it's bought in the second year after the sale.
A replacement within that limit takes the original taxable value with no adjustment. If the replacement costs more, the difference above the limit is added to the transferred value. The BOE gives a worked example. A $400,000 home with a $100,000 taxable value is sold. A $600,000 replacement is bought in year one. The new taxable value is $280,000.
For many people moving from the Bay Area, the replacement home costs less than the one they sold. In August 2026 the C.A.R. county medians were $549,000 in Sacramento County and $1,285,000 in Alameda County. A move toward a lower-priced home is common on that route. Your own numbers are what count.
What Prop 19 Doesn't Change
Prop 19 moves your base value. The rest of the tax bill still comes along. Voter-approved bonds and special assessments on the new home apply, and many newer neighborhoods sit inside Community Facilities Districts, often called Mello-Roos. The City of Roseville explains that each district levies a special tax to repay bonds for local infrastructure, with its own boundary and rate.
Ask for the tax bill on any home you're considering. The Sacramento property tax calculator estimates the yearly tax and the supplemental bill on a purchase. Our Prop 19 in Sacramento page collects every Prop 19 article we've written, including the forms and the parent-to-child rules.
Plan Your Property Tax Before You Move to Sacramento
Property tax when moving to Sacramento is far better protected before you list than after you close. Talk with Maggie about your move, and bring your current tax bill. We'll map the sale and the purchase against the two-year window, then point you to the county assessor and your tax professional to confirm the claim. Are you thinking about a smaller home too? See downsizing and single-level living or the downsizing service page.
Frequently Asked Questions
Who is eligible for a Prop 19 base-year transfer?
Per the Board of Equalization, the law covers homeowners who are 55 or older or severely and permanently disabled when they sell their principal residence. Victims of a wildfire or Governor-proclaimed disaster have their own transfer. The county assessor decides each claim.
How many times can I use Prop 19?
The Board of Equalization says eligible homeowners can transfer their base-year value three times, even if they used an earlier transfer under Propositions 60, 90 or 110.
Does the new home have to be in the same county?
No. Under Prop 19 the replacement home can be anywhere in California. You file with the assessor in the county where the new home is.
What happens if my new home costs more than the one I sold?
The difference above the equal-or-lesser limit is added to your transferred value. The limit is 100%, 105% or 110% of the original sale value depending on when you buy the replacement.
Is Prop 19 automatic?
No. You have to file a claim, such as form BOE-19-B, with the county assessor within three years of buying the replacement home. This is not tax or legal advice, so confirm with the assessor and your tax professional.
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Sources
- California State Board of Equalization, Proposition 19, checked October 2026.
- City of Roseville, special taxes and assessments (Community Facilities Districts), checked October 2026.
This page is general information about California's Proposition 19. It is not tax or legal advice. The county assessor decides every claim. Confirm your situation with the county assessor and your tax professional before you sell or buy.
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