Can I take my property tax base to the new home?
If you are 55 or older on the day your current home sells, yes, even if the new home costs more. Under 55, your tax resets to what you pay, which on a move-up is a large increase.
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| Your situation | What happens to the tax |
|---|---|
| 55 or older, buying cheaper or the same | Your old taxable value carries across |
| 55 or older, buying more expensive | Old value plus only the amount above the old home's value |
| Under 55 | Resets to your purchase price |
The middle row is the one people misread. Buying up does not disqualify you and does not reset you to the full purchase price, so a move-up at 55 or over is frequently far cheaper to run than the sticker suggests. It is allowed up to three times per person.
Eligibility is measured on the day your current home closes, not when you list or when you buy. If anybody in the household is close to 55, the closing date becomes a term worth negotiating rather than accepting, and getting it wrong by three weeks is an expensive way to learn this.
Will a lender approve me while I still own my home?
They will count both housing payments until your current home actually closes. Not when it is listed, not when it is in escrow, and that constraint decides whether buying first is available at all.
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Some buyers carry both comfortably; many do not. Establishing which you are is the first conversation rather than the last, because finding out after you have fallen for a house is a bad afternoon and a weak negotiating position.
There are routes if the answer is no: bridge financing against your current equity, documented rent from the departing home in some circumstances, or a larger down payment that brings the new payment down. All of them take arranging in advance, which is the entire argument for starting with your lender.
How do I compete when I have a home to sell?
By getting as far along on your own sale as possible before you offer. A seller comparing offers treats "already in escrow" and "not yet listed" as completely different things.
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An offer contingent on your sale gives the seller the right to keep marketing and to ask you to remove the contingency at short notice if a better offer arrives. That protection is real, and it is not certainty, and in a market with several offers on the good homes a clean offer usually wins even at a lower price.
So the strongest version of a move-up is: your home prepared, priced and ideally in escrow with contingencies removed, then you offer. The second strongest is buying first if you can carry it. The weakest, and the one most buyers try first, is a contingent offer on a home that has not been listed.
What can I borrow at the next price point?
Up to $1,249,125 on a one-unit Orange County home before you are into jumbo territory, where the down payment, reserves and timeline all change.
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That line matters on a move-up more than on a first purchase, because move-up buyers are frequently crossing it for the first time. A purchase just above it is worth pricing both ways, since a slightly larger down payment that brings the loan back under can be worth more over the term than anything negotiated on the price.
The equity from your sale is what makes that possible, which is why the proceeds calculation belongs before the offer rather than after. What reaches the next escrow is the sale price less the loan payoff, the costs of sale and any withholding, and that figure is usually lower than people assume.
Will I owe tax on the home I am selling?
You can exclude up to $250,000 of gain, or $500,000 filing jointly, if you owned and lived in it at least 24 months of the last five years. Above that, the rest is taxable.
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On a home held a long time in this county, the gain can exceed the exclusion comfortably, and what pushes it down is what you have put into the house in capital improvements. Those records are worth finding before you list rather than after, because they reduce the taxable gain only if you can show them.
Escrow will also withhold a share of the sale price for the state unless you certify an exemption before closing. That is a prepayment rather than an extra tax, but it comes out of the money you were planning to put down on the next home, so it belongs in the arithmetic.
What will the new home's tax bill be?
If you are not carrying a base across, roughly 1 percent of what you paid plus voter-approved bonds and any special tax. Not what the seller was paying.
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The figure on a listing belongs to the seller and reflects what they paid, possibly decades ago, grown on a capped schedule. Yours is set by your purchase price. On a move-up that difference is often several hundred dollars a month and it is routinely left out of the comparison people make between their current home and the next one.
A supplemental bill also arrives some months after closing, covering the difference for the remainder of the tax year. It is a one-off, it is not a mistake, and it lands when you have just paid for a move.
What order should I do this in?
Lender, then proceeds, then search, then list. Not list, then panic, then buy whatever is available inside your escrow.
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The intuitive order produces the two worst outcomes in a move-up: overpaying for the next house because you now need one, and accepting a weaker offer on your current home because you need the timing. Both are avoidable and both are common.
The sellers side of this decision, including the four ways to sequence the two transactions and what a rent-back does for you, is covered in full on our move-up selling page. Read both; they are two halves of the same problem.
FAQs
Common questions about Move-Up Buyers
Can I take my property tax base to the new home?
If you are 55 or older on the day your current home sells, yes, and even if the new home costs more: you keep your old taxable value and add only the excess over the old home's value. Under 55 it resets to your purchase price. It is allowed up to three times per person.
Does buying a more expensive home disqualify me?
No, and this is the most misread part of it. Buying up does not reset you to the full purchase price. You keep your old base and add only the amount by which the new home exceeds the old one's value, which makes a move-up at 55 or over far cheaper to run than the sticker suggests.
When exactly is eligibility measured?
On the day your current home closes, not when you list and not when you buy. If anybody in the household is close to 55, the closing date becomes a term worth negotiating rather than accepting. Getting it wrong by three weeks is an expensive way to learn this.
Will a lender approve me while I still own my home?
They count both housing payments until your current home actually closes, not when it is listed or in escrow. Whether you can carry both is the constraint that decides if buying first is even available, so it is the first conversation rather than the last.
What if I cannot carry both payments?
There are routes: bridge financing against your current equity, documented rent from the departing home in some circumstances, or a larger down payment that brings the new payment down. All of them take arranging in advance, which is why you start with the lender.
Does a contingent offer work?
Sometimes, and it is the weakest of the options. The seller keeps the right to market and to ask you to remove the contingency at short notice. In a market with several offers on the good homes, a clean offer usually wins even at a lower price. Progress on your own sale is what makes it acceptable.
How much of my sale proceeds reach the next purchase?
Less than people assume: the sale price minus the loan payoff, the costs of sale and any withholding. Run that calculation before you make an offer on the next home rather than after, because it is the most common reason a move-up buyer has to renegotiate a purchase.
Will I owe tax on selling my current home?
You can exclude up to $250,000 of gain, or $500,000 jointly, with 24 months of ownership and residence in the last five years. On a long-held Orange County home the gain often exceeds that, and capital improvement records reduce it only if you can produce them, so find them before you list.
What will the new home's property tax be?
Roughly 1 percent of what you paid plus voter-approved bonds and any special tax, if you are not carrying a base across. The figure on the listing is the seller's and may be decades old. A supplemental bill for the rest of the tax year arrives separately, months after closing.
What is the right order to do all this?
Lender, then the proceeds calculation, then the search, then the listing. The intuitive order, list and then scramble, produces both overpaying for the next home and accepting a weaker offer on the current one, because by then you need the timing.