California mortgage guide
Assumable Mortgages in California: Taking Over a Seller's FHA, VA, or USDA Loan
In this guide
An assumable mortgage lets a buyer take over the seller's existing FHA, VA, or USDA loan — its balance, rate, and remaining term — with the current servicer's approval after a credit and income review. Conventional loans are generally not assumable. The buyer must cover the gap between the price and the loan balance in cash or with separate financing.
Key numbers
| Item | Figure | Source |
|---|---|---|
| VA assumption funding fee | 0.5% of the loan balance | VA, funding fee charts (effective April 7, 2023) |
| FHA loans closed on or after December 15, 1989 | Credit review required; buyer must occupy as a principal residence (or HUD-approved secondary residence); investors may not assume | HUD Handbook 4155.1, ch. 7; HUD 4000.1 II.A.8.n |
| VA entitlement substitution | Only an eligible veteran buyer with enough entitlement of their own can substitute entitlement and restore the seller's | VA Pamphlet 26-7, ch. 5; VA Form 26-6381 |
| Cash gap in the worked example below | $355,000 on an $875,000 purchase with a $520,000 balance | Arithmetic shown in the example |
Who an assumption fits — and who should look elsewhere
An assumption fits when three numbers line up. First, the seller's rate is enough below current rates that the monthly saving is real money over the years you expect to keep the loan. Second, the gap between the price and the remaining balance is cash you actually have, or can borrow on a second loan without wiping out the saving. Third, the seller's loan is FHA, VA, or USDA — a conventional loan with a due-on-sale clause ends the conversation before it starts.
Look elsewhere when the gap is most of the price. A low rate on a small remaining balance saves little: the saving is the rate difference applied to the balance, not to the purchase price. Look elsewhere, too, if you need a fast closing. The seller's servicer runs the assumption, sets the pace, and owes you no deadline. If your purchase contract cannot absorb a slow servicer timeline, a new loan you control is the safer route.
Requirements: program rules and lender overlays
Program rules. For FHA loans closed on or after December 15, 1989, the buyer must pass a creditworthiness review, and the buyer must intend to occupy the home as a principal residence or a HUD-approved secondary residence. Private investors are prohibited from assuming those loans. The FHA mortgage insurance already on the loan continues after the assumption; there is no new upfront mortgage insurance premium, because no new loan is being insured. For VA loans, any purchaser may qualify to assume, veteran or not, with the servicer's approval. USDA loans are assumable with the servicer's approval under the same basic structure: a credit review and a buyer who meets program rules.
Seller-side rules that decide deals. A VA assumption is also a release of liability: once approved, the seller is off the debt. Getting the seller's entitlement back is a separate step. A release of liability does not restore entitlement. Entitlement is restored only if an eligible veteran buyer with sufficient entitlement completes a substitution of entitlement at closing, or the loan is later paid off. A non-veteran buyer can give the seller a release of liability but can never give the entitlement back.
Lender overlays. The servicer processing the assumption applies its own credit standards on top of the program floor — score expectations, reserve expectations, and documentation depth vary by servicer. That is an overlay, not a program rule: a refusal from one servicer is about that servicer's file standards, and the loan stays with that servicer, so there is no second servicer to apply to for the same loan.
What an assumption costs
| Cost | How it works | Source |
|---|---|---|
| VA funding fee on assumption | 0.5% of the assumed balance. On a $520,000 balance: $520,000 × 0.005 = $2,600 | VA funding fee charts |
| FHA mortgage insurance | The existing annual premium continues for the remaining life set by the original loan's terms; no new upfront premium is charged at assumption | HUD Handbook 4155.1, ch. 7 |
| Servicer assumption and closing charges | Set by the servicer and the closing agent; get the full figure list in writing before you remove contingencies | Servicer quote for the specific loan |
| The cash gap | Price minus remaining balance, plus closing costs — the largest cost in most California assumptions | Arithmetic in the worked example |
California specifics
California prices are why the gap dominates. In much of coastal California a seller who bought or refinanced years ago may owe half or less of today's price, so the assumable balance is the smaller part of the purchase. Two California wrinkles matter. First, military communities — San Diego County above all — hold a larger share of VA loans, so assumable VA listings appear there more often than in most of the state. Second, the transfer itself is a change in ownership for property-tax purposes: the buyer is reassessed at the purchase price, and a supplemental tax bill follows for the difference between the old assessed value and the new one, prorated from the first of the month after the purchase to June 30. Budget for that bill in the first year.
Worked example: a San Diego purchase
A home sells for $875,000. The seller's VA loan balance is $520,000, with a rate well below what a new loan would carry today.
- Cash gap: $875,000 − $520,000 = $355,000, before closing costs.
- VA assumption funding fee: $520,000 × 0.5% = $2,600.
- Total cash before other closing costs: $355,000 + $2,600 = $357,600.
The buyer's decision is not "is the old rate lower" — it is whether saving the rate difference on $520,000, over the years the buyer will actually keep the loan, beats the other uses of $357,600 in cash. If the buyer instead borrows part of the gap on a second loan, the right comparison is the blended cost of both loans against one new first loan for the same total amount. Run both totals before you write the offer, not after.
How an assumption proceeds
- Identify the loan. Establish the loan type (FHA, VA, or USDA), the servicer, the balance, the rate, and the remaining term — from the seller's mortgage statement, with the seller's permission.
- Do the gap math. Price minus balance, plus the program fee and closing costs. If the cash is not there, stop here.
- Apply to the seller's servicer. The servicer — not a new lender — takes the assumption application and runs the credit and income review. There is no standard assumption timeline, so get the servicer's estimated timeline in writing before you rely on a closing date.
- Settle the seller's protections in writing. For a VA loan: release of liability, and substitution of entitlement if the buyer is an eligible veteran with enough entitlement. Both belong in the purchase agreement, not in a closing-day conversation.
- Close the assumption and the purchase together. Title transfers, the buyer steps into the existing loan, and the seller's release is documented. Because the new loan is not being created, there is no Loan Estimate or Closing Disclosure for a new mortgage on the assumed loan itself; any second loan you take for the gap has its own disclosures.
Common mistakes
- Celebrating the rate and ignoring the gap. On the example above, $355,000 of the $875,000 price is cash. Buyers who spend their reserves on the gap and then face a roof or tax bill have traded a rate problem for a liquidity problem.
- A veteran seller giving up entitlement without knowing it. If a non-veteran assumes and no substitution occurs, the seller's entitlement stays tied to that loan until it is paid off — which can mean years of reduced buying power on the seller's next VA purchase.
- Writing a standard-length escrow. The servicer controls the timeline. A contract that assumes a new-loan pace can put the buyer's deposit at risk when the servicer's queue runs long. Build the timeline around the servicer's stated processing time, in writing.
- Forgetting the FHA insurance tail. An assumed FHA loan keeps its mortgage insurance on the original schedule. On a loan where the premium runs for the remaining term, the "cheap" rate is partly offset every month — include the premium in the comparison.
Questions buyers and sellers ask
Can a non-veteran assume a VA loan?
Yes. Any purchaser may qualify to assume a VA loan with the servicer's approval. What a non-veteran cannot do is substitute entitlement, so the seller's entitlement stays tied to the loan until it is paid off.
Which loans are assumable?
FHA, VA, and USDA loans are assumable with servicer approval and a credit review. Conventional loans generally are not, because they carry due-on-sale clauses.
Does the seller stay responsible if the buyer stops paying?
An approved assumption includes a release of liability, which removes the seller from the debt. Never rely on a handshake transfer without the servicer's approval and release — an unapproved transfer can trigger the due-on-sale clause and leaves the seller exposed.
How much cash do I need?
The gap between the price and the remaining balance, plus the program fee (0.5% of the balance on a VA assumption) and closing costs. On an $875,000 purchase with a $520,000 balance, that starts at $355,000 before costs.
Can I cover the gap with a second loan?
Sometimes, if a lender will make a second loan behind the assumed first. Compare the blended cost of the two loans with one new loan before deciding — a high-cost second loan can erase the saving from the assumed rate.
Does an investor qualify to assume an FHA loan?
No, for FHA loans closed on or after December 15, 1989. The assuming buyer must occupy the home as a principal residence or a HUD-approved secondary residence, and investors are prohibited from assuming those loans.
Sources
- U.S. Department of Veterans Affairs — VA funding fee and loan closing costs (fee charts effective April 7, 2023; fetched October 14, 2026).
- HUD Handbook 4155.1, chapter 7 — Assumptions (fetched October 14, 2026).
- HUD Handbook 4000.1, section II.A.8.n — Assumptions: occupancy eligibility for loans closed on or after December 15, 1989 (fetched October 14, 2026).
- VA Form 26-6381 and VA Pamphlet 26-7, chapter 5 — release of liability and substitution of entitlement (fetched October 14, 2026).
- California State Board of Equalization — Supplemental Assessment (fetched October 14, 2026).
Last reviewed October 15, 2026. Questions: call 415-297-6703 or use the contact page.
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