Why the first question isn’t the loan type

The first question is why someone is coming off the loan. Divorce and family transfers get a legal shortcut that a non-family removal doesn’t.

Fannie Mae and Freddie Mac servicing rules exempt certain transfers from the due-on-sale clause entirely — not just a spouse or ex-spouse under a divorce decree, but also parents, children, siblings, grandparents, and grandchildren of the borrower. That exemption comes from federal law, so it applies the same way no matter which of the two backs your loan. A parent coming off their adult child’s mortgage gets that same legal shortcut a divorcing spouse gets. Removing an unmarried partner or a friend who co-signed doesn’t — the servicer can legally treat that transfer as triggering the due-on-sale clause, though many will still process a release request anyway. This calculator asks the relationship question first because it changes which route actually applies before a single financial number matters.

What each loan type actually offers

Conventional, FHA, VA, USDA Direct, and USDA Guaranteed loans each route the release differently, and this calculator names the actual mechanism instead of a generic “yes or no.” VA loans get a standalone spousal release under VA Circular 26-23-10 for divorce cases — no full assumption needed, and the departing spouse’s signature isn’t required for this specific route. FHA routes divorce and family transfers through a successor-in-interest assumption with underwriting flexibility, confirmed directly in a CFPB research report on post-divorce mortgage servicing. USDA Direct loans have a formal Release of Liability request built into their servicing portal. USDA Guaranteed loans confirm a transfer-and-assumption process requiring Agency approval, but a standalone release of liability separate from that assumption wasn’t confirmed here — that card says so directly instead of guessing.

The numbers behind each card, and what they actually include

Debt-to-income here includes the payment on this mortgage itself, not just your other debts — a number that excludes your own mortgage payment understates DTI and can make a path look open when it isn’t. Credit score, that full DTI, and months of on-time payments all feed the release path (when it requires full qualification) and the solo refinance path, checked against a reference you can adjust between Higher-tolerance, Middle, and Conservative — these are reference points from public guidelines, not a lender’s actual decision. A household with a 610 credit score and a mortgage-inclusive DTI of 51%, for instance, typically lands on “Conditional” rather than “Likely open” on the Middle reference, with the gap spelled out as a specific number of points and percentage points. If you leave interest rate or remaining term blank, the calculator says so directly rather than quietly computing a housing payment of zero.

Loan-to-value, equity, and home value confidence

Loan-to-value and estimated equity are calculated automatically from your home value and loan balance as you type, not asked for directly, since most people don’t know their exact LTV off the top of their head. Equity only shows once both numbers are entered — a home value alone was never enough to estimate what you’d walk away with, and if the math comes out negative, the sell path says so plainly instead of showing a number that implies a payoff that isn’t there. You also flag how confident you are in that home value — a recent appraisal, your own estimate, or genuinely not sure — and that confidence level carries through to the refinance path when it matters.

Cooperation is a separate switch, not a credit factor

Most release and assumption paths need the departing co-borrower’s signature or documents. This calculator asks about that separately from the financial numbers, because “financially qualified” and “practically able to complete the paperwork” are two different questions. If cooperation isn’t available, the release path is marked blocked for that reason specifically, not folded into a lower score. The one exception is the VA spousal release, which by rule doesn’t need the departing spouse’s signature at all — the calculator says so on that card.

The buyout amount that changes everything

Removing a co-borrower — through divorce, a family transfer, or a straightforward split with a partner or friend — often means buying out their share of the home’s equity, and that amount usually gets added to a new loan balance if you refinance. The advanced section lets you add that buyout amount for any relationship type, and it flows into both the refinance path’s debt-to-income and loan-to-value math — so you can see the moment a release that costs nothing turns into a refinance that doesn’t qualify, before you find that out from a lender. The advanced section also lets you set a separate term for that new loan, since most refinances reset to a fresh 30-year term rather than keeping whatever was left on the old one.

Looking ahead without guessing

The months-forward slider under the results doesn’t apply a made-up improvement rate. It runs your actual loan balance, rate, and remaining term through standard amortization to project loan-to-value and on-time payment months forward, assuming every payment between now and then is made on time. Credit score, income, and debts are not projected — the calculator says so directly rather than pretending to predict them.

What the calculator can’t tell you

A release-of-liability clause buried in your note, and whether your specific servicer will actually process a request quickly, are outside what any calculator can see. The Consumer Financial Protection Bureau has documented homeowners waiting months or years for servicers to act on release requests after divorce or a co-borrower’s death, even when the borrower had a clear right to one — that risk applies even to a route marked “Likely open” here. When this calculator can’t determine something, it says so directly instead of quietly assuming the best case.