What Is California Family Code §2640 Reimbursement — and Can I Claim It?

You used separate money — savings from before the marriage, an inheritance, a gift from your parents — to help buy or improve something the community owns, most often the family home. Now you're divorcing, and that house is going to be split as community property. Does your separate contribution just vanish into the marital pot?

Not necessarily. California Family Code §2640 exists for exactly this situation. It generally lets a spouse be reimbursed for separate-property contributions to the acquisition of community property — if the contribution can be traced to a separate source. It's one of the most valuable, and most misunderstood, tools in a California divorce.

This article explains what §2640 reimbursement is, what it covers (and pointedly does not), and what it takes to claim it. This is general education about how the law works — not legal advice about your specific situation.

The problem §2640 solves

California is a community property state. Under California Family Code §760, property acquired during the marriage is generally community, owned 50/50. So when separate money flows into a community asset — say your $100,000 pre-marital savings becomes the down payment on a house titled to both spouses — that money has, in effect, been contributed to the community.

Without a rule to fix this, the spouse who put in separate money would simply lose it: the house gets split 50/50, and the $100,000 head start disappears. §2640 is the legislature's answer. It says, in general terms, that the contributing spouse gets their separate contribution back off the top before the community asset is divided — provided they can prove it.

What §2640 reimburses: "DIP"

§2640 covers separate-property contributions to the acquisition of community property. Practitioners often remember the categories with the shorthand DIP:

Down payment — separate money used for the down payment on a community asset.
Improvements — separate money spent on capital improvements (a renovation, an addition).
Principal — separate money used to pay down the principal of the loan on a community asset.

The key word is acquisition. §2640 is about money that helped the community acquire or build equity in an asset — not money spent on the ordinary cost of living in it.

What §2640 does NOT cover

This is where claims go wrong, so it's worth being blunt about the limits:

No interest, no appreciation. Reimbursement is generally dollar-for-dollar. You get back what you put in — not a share of how much the house went up, and not interest on your money. Put in $100,000, get back $100,000, even if the home doubled.
Not ordinary expenses. Mortgage interest, property taxes, insurance, and maintenance are generally not reimbursable under §2640. Those are costs of using the property, not contributions to acquiring it.
Not a gift you intended. If you contributed separate money to community living expenses, the law often presumes you intended a gift to the community (this traces to See v. See). §2640 reimbursement is the exception for acquisition contributions; ordinary spending is not.
It can be waived — but generally only in writing. A signed waiver (sometimes buried in a deed or a loan document) can give up the §2640 right.

The catch: it all rests on tracing

Here is the part that connects §2640 to everything else: you only get reimbursed for what you can trace to a separate source.

It is not enough to say "I'm pretty sure the down payment came from my inheritance." You have to show it — the separate-source statement, the transfer, the deposit into escrow, the path the money took. If the separate money was first commingled in a joint account and then used for the down payment, you have to trace it through that account to prove the down-payment dollars were actually your separate funds and not community income.

That's the same discipline that governs every separate-property claim: an unmatched contribution isn't reimbursable just because you remember it as separate — it has to be backed by documents. (For how tracing through a commingled account works, see What is commingling, and how do you trace it?)

A worked example

Walk through a simplified case. (The dollars are made up to show the logic — not a prediction about any real outcome.)

During the marriage you buy a home for $600,000, titled to both spouses (community property). The $120,000 down payment comes from your pre-marital brokerage account — clearly separate, and you have the statements showing the transfer into escrow.

Over the marriage, community income pays the mortgage. At divorce, the home is now worth $900,000 with $400,000 of equity.

Under §2640, you'd generally be entitled to reimbursement of your $120,000 separate down payment off the top — before the remaining equity is divided as community. You do not get a slice of the $300,000 of appreciation for having made the down payment, and you don't get interest. Your $120,000 comes back; the rest splits.

Change one fact: suppose you can't document that the $120,000 came from your separate brokerage account — it passed through a joint account first and the records are murky. Now your reimbursement claim is a question mark. The number you can defend drops from $120,000 toward $0 depending on what you can trace — which is exactly why the statements matter.

§2640 is its own analysis (and its own line on the schedule)

It's worth separating two ideas that people blur together:

Characterizing an account as separate vs. community (the deposit-by-deposit trace) is one analysis.
§2640 reimbursement — separate money contributed to a community asset — is a separate overlay. It doesn't change the community/separate split of the asset itself; it sits on top as a reimbursement the community owes your separate estate.

A proper tracing schedule treats reimbursement as its own section, computed from the contributions you can trace, with the caveat that it's an upper-bound claim requiring contribution-by-contribution substantiation — not a settled entitlement. (This mirrors how Reckon's court-ready schedule reports §2640 in a dedicated reimbursement section.)

Run your own first-pass trace

If you put separate money into the family home or another community asset, the most useful first step is to see what your records can actually trace — because that's the ceiling on your §2640 claim.

Reckon is built to trace separate-property contributions for California cases: you upload your statements, and it follows the separate money through your accounts, flags contributions it can't fully document for your review, and produces a conservative-to-aggressive range with the supporting evidence attached — including a dedicated §2640 reimbursement section in the court-ready schedule. It never invents a number, and it surfaces exactly which statements would firm up a reimbursement claim. Run a free first-pass trace, then take the §2640 question to your attorney.

Frequently asked questions

What does California Family Code §2640 actually reimburse?

Separate-property contributions to the acquisition of community property — most commonly the down payment, capital improvements, and principal reduction ("DIP") on the family home. It generally does not cover mortgage interest, taxes, insurance, or maintenance.

Do I get a share of the home's appreciation for my down payment?

Generally no. §2640 reimbursement is dollar-for-dollar — you get your contribution back, without interest and without a share of the appreciation. (Apportioning appreciation is a different analysis, often Moore/Marsden, and usually warrants a professional.)

Do I have to trace my separate contribution?

Yes. Reimbursement is only available for contributions you can trace to a separate source. If the money passed through a commingled account, you have to trace it through that account to the contribution. Undocumented contributions generally aren't reimbursable.

Can I lose my §2640 right?

Yes — it can be waived, but generally only in a writing. Waivers are sometimes embedded in deeds or loan paperwork, which is one reason to have an attorney review what you've signed.

Is §2640 the same as proving an account is separate property?

No. Characterizing an account (tracing its deposits) and §2640 reimbursement (separate money put into a community asset) are separate analyses. Reimbursement is an overlay on top of the community/separate split, not a change to it. (See How to prove a separate-property claim, step by step.)

Reckon is decision-support software, not legal advice. We are not a law firm and do not provide legal representation. Always consult a licensed attorney about your specific situation.