If you are 55 or older and own a home in Santa Clarita, can you really sell, move, and keep your low Proposition 13 property tax base?
Yes. Under Proposition 19, Santa Clarita homeowners aged 55 and older can transfer their current property tax base to a replacement home anywhere in California, up to three times in a lifetime, even if the new home costs more.
Why This Matters Right Now in Santa Clarita
If you bought your home in Santa Clarita in the 1990s or early 2000s, your Proposition 13 assessed value is likely a fraction of what your home is worth today. The median sold price in Santa Clarita homes for sale is $775,000 as of October 2026, per Resideline data. Meanwhile, your assessed value might still sit around $250,000 to $400,000, keeping your annual tax bill comfortably below $5,000.
That gap is exactly what keeps so many homeowners stuck. You want to downsize, move closer to grandchildren, or find a single-story layout that is easier on your knees, but the thought of doubling your property tax bill stops the conversation before it starts.
Here is what I want you to understand: that reason is gone. Proposition 19 changed the rules in a way that directly benefits you. As someone who specializes in Prop 19 property tax transfers and senior moves here in the Santa Clarita Valley, I walk homeowners through this process regularly. Let me break down exactly how it works so you can make a confident decision.
What Prop 19 Changed for Santa Clarita Homeowners Over 55
Before Prop 19, the old rules under Propositions 60 and 90 were frustratingly limited. You could transfer your tax base only once, only to a home of equal or lesser value, and only within the same county or a short list of participating counties.
Prop 19 rewrote those limits. Here is what the law now allows, according to the California State Board of Equalization:
- Move anywhere in California. You can transfer your assessed value to a replacement home in any of California’s 58 counties. Want to be near your daughter in San Diego or your son in Sacramento? The tax base follows you.
- Use the transfer up to three times. The old law gave you one shot. Prop 19 gives you three lifetime transfers.
- Buy a more expensive home if you want. Under the old rules, your replacement had to cost the same or less. Now, if the new home costs more, only the price difference gets added to your existing assessed value.
What does this actually look like for someone living in Valencia or Saugus right now? Let me walk through the math.
How the Prop 19 Tax Base Transfer Math Works in Santa Clarita
This is where it gets real. Say you own a four-bedroom home in Valencia with an assessed value of $220,000. You sell it for $850,000, which is right in range given that Valencia’s median sale price has been $782,000 over the last three months, according to local market data. Then you buy a two-bedroom condo or townhome in Santa Clarita for $580,000.
Because your replacement home costs less than your sale price, your full assessed value of $220,000 transfers with no adjustment. Your annual property tax stays around $2,400 per year instead of the roughly $6,400 you would pay on a fresh $580,000 assessment.
Now, what if you buy up instead of down? Say you sell your Saugus home for $835,000 (the median in the 91350 zip code as of June 2026, per cashforhousesca.com) and buy a newer single-story home for $1,035,000. The $200,000 difference between the sale and purchase price gets added to your existing $220,000 base, giving you a new assessed value of $420,000. Your tax bill lands around $4,600 per year, which is higher than before but far below the roughly $11,400 a full-value assessment would cost.
Either way, you come out ahead compared to losing your Prop 13 protection entirely. So the question is not whether Prop 19 saves you money. It does. The question is which move makes the most sense for your life right now.
Who Qualifies and What Santa Clarita Homeowners Need to File
The eligibility rules are straightforward, but the details matter:
- Age requirement: At least one owner on title must be 55 or older at the time the original home sells. For married couples, only one spouse needs to meet the age threshold.
- Primary residence: The home you are selling must be your primary residence. The home you are buying must also become your primary residence. Investment properties, rentals, and second homes do not qualify.
- Timing: You must sell your original home and buy or build the replacement within two years of each other. The transactions can happen in either order.
- The form: You file Form BOE-19-B with the county assessor in the county where your new home is located. For moves within Los Angeles County, that means filing with the LA County Assessor’s office.
Here is an important nuance about the filing window. Claims filed within two years of purchasing the replacement home receive the base transfer retroactively to the purchase date. Claims filed in year three apply only going forward, meaning you pay higher taxes on those early bills with no refund. Claims filed after three years are denied entirely, according to the LA County Assessor.
I cannot stress this enough: do not wait to file. The paperwork is not complicated, but missing the deadline costs real money.
Can You Buy Your Santa Clarita Replacement Home Before You Sell?
Yes, you can. This is one of the most common questions I hear from homeowners in the Santa Clarita Valley who are nervous about selling before they have their next home locked down.
Under Prop 19, you can purchase your replacement home first as long as the original home sells within two years of that purchase. However, there is a catch worth knowing: between the date you buy the new home and the date you sell the original, you will owe property taxes on the replacement home at its full market value. There is no refund for that interim period, per the Board of Equalization.
So if you close on a condo in Canyon Country in January and your Valencia home does not sell until June, you will pay five months of property tax at the higher rate on the new place. That is usually a manageable cost, but it is worth planning for.
What I tell my clients is to work backward from the timeline. If you know you want to move in spring, start the listing process in February or March to catch Santa Clarita’s seasonal price surge, when the market historically peaks. Data from the local market shows that March 2026 saw a 16.9% price spike to a median of $897,000 as spring buyers entered the market.
The Value Thresholds You Need to Understand
The Board of Equalization defines “equal or lesser value” with specific percentages that depend on your transaction timing:
- If you buy the replacement before selling the original: 100% or less of the original home’s full cash value
- If you buy within the first year after selling: 105% or less
- If you buy within the second year after selling: 110% or less
These thresholds give you some breathing room, especially if you are buying in a competitive market. A 5% or 10% cushion above your sale price still qualifies for a full base transfer without any upward adjustment.
And if the replacement exceeds those thresholds? You still qualify. The difference simply gets added to your transferred base. You never lose the benefit entirely.
Do Not Confuse the Over-55 Transfer with the Parent-Child Exclusion
This is where families get tripped up. Prop 19 did two very different things, and they are frequently mixed together online.
The over-55 base transfer is the generous provision. It lets you, the homeowner, move and keep your tax base. That is what this entire article is about.
The parent-child exclusion is separate and more restrictive. It applies when a child inherits a parent’s home. Under Prop 19, the child must move into the inherited home as their primary residence within one year, and the exclusion is capped at $1,044,586 above the base-year value for transfers between February 16, 2025, and February 15, 2027, per Empower financial data.
If you are an adult child helping a parent plan a downsizing move for senior homeowners, understand that these are two distinct benefits. Your parent’s move uses the over-55 transfer. Your eventual inheritance is governed by the parent-child exclusion. Both matter, but they operate independently.
Where Santa Clarita Downsizers Are Looking Right Now
With 10 five-star reviews, a Circle of Excellence designation, and a specialty in downsizing sellers and senior moves, I spend a lot of time helping homeowners evaluate their options across the San Fernando Valley real estate market.
Condos and townhomes in the $530,000 to $600,000 range offer a practical landing spot for downsizers coming from larger single-family homes. Canyon Country, where the median price in the 91390 zip code was $625,000 as of June 2026 per cashforhousesca.com, offers more space for the dollar compared to Valencia’s higher price points. Valencia’s paseo walking and biking system, Bridgeport Lake, and proximity to Westfield Valencia Town Center keep it popular with retirees who want walkability and a social scene without leaving the valley.
As of late September 2026, roughly 570 homes were available in Santa Clarita with a median list price of $759,450 and 3.8 months of inventory, putting the market in balanced territory. That is good news for buyers who want to take their time and find the right fit.
Frequently Asked Questions
Do I have to be 55 before I list my Santa Clarita home?
You must be 55 or older at the time of the sale of your original home, not at the time of listing. If you turn 55 before closing, you qualify. For married couples, only one spouse needs to meet the age requirement at the time of sale, per the California Board of Equalization.
Can I transfer my tax base from Santa Clarita to another state?
No. Proposition 19 applies only within California. You can move to any of the state’s 58 counties, but the tax base transfer does not cross state lines. If you are considering an out-of-state move, the benefit would not apply.
How many times can I use the Prop 19 over-55 transfer?
You can use it up to three times in your lifetime. If you previously used a transfer under the old Proposition 60 or 90, those do not count against your three Prop 19 transfers, per the Board of Equalization.
What if I buy a more expensive home than the one I sell in Santa Clarita?
You still qualify. The difference between the higher purchase price and the sale price of your original home gets added to your transferred assessed value. You keep your existing base; only the excess is taxed at current value.
What form do I file and where?
You file Form BOE-19-B with the county assessor in the county where your replacement home is located. For moves within LA County, file with the LA County Assessor. The filing window is three years from the replacement purchase date, but filing within two years ensures retroactive application.
Can I buy first and sell later under Prop 19?
Yes. As long as both transactions occur within two years of each other, you can purchase the replacement home first. Be aware that you will pay property tax at full market value on the new home during the gap between buying and selling, with no refund for that period.
Does my replacement home in Santa Clarita have to be a single-family house?
No. Your replacement can be a condo, townhome, manufactured home, or any property that qualifies as your primary residence. Many downsizers in the Santa Clarita Valley move from four-bedroom detached homes into condos in the $530,000 to $600,000 range.
Can my adult child co-own the replacement home with me?
Yes. The law does not require you to be the sole owner. As long as you are one of the purchasers and the home serves as your primary residence, having a child on title does not affect your eligibility for the base transfer, according to the Board of Equalization.
Is there a deadline to file after I buy my replacement home?
Yes. You have three years from the date of purchase. However, claims filed within two years receive retroactive tax relief back to the purchase date. Claims filed in the third year only apply going forward, and claims filed after three years are denied entirely.
Does the over-55 transfer affect what happens when my children inherit the home?
These are separate provisions under Prop 19. Your over-55 transfer protects your tax base when you move. The parent-child exclusion governs what happens at inheritance and has its own rules, including a requirement that the child move in as a primary resident. They operate independently and do not affect each other.
The Bottom Line
If you are a Santa Clarita homeowner aged 55 or older and your low property tax bill is the only thing keeping you in a house that no longer fits your life, Proposition 19 removed that barrier. You can sell your home, buy a replacement anywhere in California, and carry your assessed value with you, up to three times in your lifetime. Whether you are eyeing a smaller place in Canyon Country, a condo near Valencia Town Center, or a move across the state to be closer to family, the math works in your favor.
I am Lata Agadjanova with Park Regency Realty, and helping homeowners navigate Prop 19 transfers and senior moves in San Fernando Valley is one of my core specialties. If you want to sit down and run the numbers for your specific situation, give me a call at 818-620-7635. I will walk you through the timeline, the paperwork, and the Santa Clarita market options so you can make your next move with confidence.
*This article is for informational purposes only and does not constitute legal or tax advice. Consult a qualified tax professional or attorney for guidance specific to your situation.*