The Quick Read: A conventional cash-out refinance replaces your entire first mortgage, so the new pricing applies to every dollar you owe, not just the cash you take. You cannot keep the old loan and bolt cash onto it. For most owners with a cheap first loan, a second lien is the better tool. Cash-out still wins in a short list of situations, and this article lays them out.
Why a Low First Mortgage Changes the Math
Most borrowers shopping for a cash-out loan are comparing one new loan against another. You are not. You are comparing a new loan against a loan you already like.
That old loan is an asset. Its price is lower than anything on offer today, and every month you keep it, you keep that advantage. A cash-out refinance gives it up. Everything below follows from that one fact.
Key takeaways
- Cash-out reprices the whole balance at today’s pricing. The cash is the small part of the story.
- The usual advice, keep the low loan and add a second lien, is right more often than not.
- The advice breaks when the cash need is large, the second lien is floating, or no lender will write the second.
- The leverage ceiling on a one-unit primary residence is 80% of value. Two- to four-unit homes, second homes and investment property sit at 75%.
- Your payoff plan matters as much as the loan. A longer term lowers the monthly strain and raises the total cost.
What Cash-Out Actually Replaces
The new loan pays off the old first mortgage and any other liens you choose to retire. Whatever is left over after payoff and closing costs comes to you. Agency rules let you spend that cash on anything. The Fannie Mae Selling Guide describes it as a new first mortgage that pays off the existing loans, with equity taken out for any purpose.
Here is how the main routes compare for an owner who wants to keep as much of the low loan as possible.
| Route | What happens to your low first loan | What you add |
|---|---|---|
| Cash-out refinance | Paid off and replaced | One new, larger first loan |
| Second lien (HELOC or fixed second) | Stays in place | A separate loan behind it |
| Limited cash-out refinance | Paid off and replaced | Almost no cash back |
Look closely at the middle row. A second lien leaves your first mortgage alone. That is why it dominates the advice for locked-in owners.
Lendmire arranges conventional cash-out refinance programs through wholesale lenders, and the same wholesale desks regularly see this exact question. The honest answer starts with the math below, not with a product.
How the Loan Is Underwritten, Step by Step
Underwriting a cash-out follows a fixed order. Knowing it tells you where a file can stall.
1. The loan purpose is classified. Paying off a purchase-money second lien with no cash out is treated as a limited cash-out refinance. Paying off other seconds generally pushes the file into full cash-out treatment, even if you receive no cash. Ask your loan officer which bucket your second falls into.
2. Seasoning is checked. At least one borrower must have been on title for 6 months. The first mortgage being paid off must also be at least 12 months old, measured note date to note date. Exceptions exist for delayed financing, inheritance and legal awards.
3. You are underwritten. Income, assets, credit and debt are run through the agencies’ automated systems, or reviewed by hand. Across the wholesale conventional programs we place files with, the starting point is a 620 decision score. The automated finding governs most files, with a total debt ratio ceiling of 50%.
4. Reserves may be required. Higher debt ratios can trigger a requirement to hold cash reserves after closing. The automated finding tells you.
5. Value is established. Appraised value times the leverage ceiling sets the top of your loan. Sometimes an appraisal can be waived for an eligible file. The automated system decides, not the borrower.
6. Liens are paid off. The lender collects a payoff statement for every lien being retired.
7. You receive disclosures. The Loan Estimate shows the total cost of the loan. Compare it to what you have now.
8. The loan closes and funds. Closing costs and prepaids can be financed inside the new loan, which shrinks the cash you actually receive.
The agencies measure leverage on a combined basis. Any second lien you keep counts against the same ceiling. The Fannie Mae Eligibility Matrix sets the one-unit principal-residence cash-out limit at 80%, and Freddie Mac requires every borrower to occupy the home on a primary-residence cash-out.
Cash available works out simply. Take the appraised value, apply the ceiling, then subtract the payoff and the costs. That is the most you can walk away with.
The Blended-Cost Test
This is the test the dominant advice skips. Run it before you decide.
Option A: refinance everything. You pay today’s pricing on the whole balance. You also pay closing costs, and the term may reset.
Option B: keep the first and add a second. You keep the old low loan on its existing balance. You pay today’s pricing, or a variable price, only on the smaller second.
Your effective cost under Option B is a blend. It weights the cheap first loan by its balance and the pricier second by its balance. When the second is a small share of the total debt, the blend stays close to your old low cost. When the second is a large share, the blend drifts toward today’s pricing.
Three inputs decide who wins:
- The cash you need as a share of your first balance. The bigger the share, the less the old loan protects you.
- The gap between your old pricing and today’s. A wide gap favors keeping the first. A narrow gap favors one clean loan.
- The cost to refinance. Closing costs are paid once. The question is how long you stay in the home to earn them back. A planned move soon can mean you never do.
Get the Loan Estimate for both paths and compare the full cost, not the headline. No illustrative dollar figures belong here, because yours decide the answer.
Three Owners, Three Answers
Picture three owners, each with a first mortgage priced far below the market.
The small-cash owner. She wants a modest share of her balance for a roof. The second lien wins easily. A second on a small amount barely moves her blend, and she skips refinancing the entire loan. Keep the first.
The mid-cash owner. He wants a meaningful share of his balance to finish a major renovation. This one is a genuine toss-up. If a fixed second lien is available and the blend stays modest, keeping the first still tends to win. If the second is a variable line and he cannot stomach payment swings, one fixed cash-out starts to look better.
The large-cash owner. She wants cash that is a large share of her existing balance, perhaps to retire high-priced debt. The old loan now protects a small slice of her borrowing. The blend sits close to today’s pricing anyway, and a cash-out replaces two moving pieces with one fixed loan. For this owner, cash-out is a serious option.
The pattern holds. The larger your cash need relative to your first balance, the weaker the case for protecting the old loan.
When Cash-Out Still Wins for the Locked-In Owner
Cash-out makes sense under conditions like these.
- The cash need is big relative to your first balance. See the large-cash owner above.
- You carry high-cost debt. Retiring it into one fixed loan can beat a cheap first plus a floating second.
- You cannot live with a floating payment. A variable second lien can climb. A fixed cash-out cannot.
- No second-lien lender will write your file. Existing subordinate debt, lender appetite or combined-leverage limits can leave cash-out as the only workable path.
- You already plan to refinance part of the picture. Consolidating existing seconds into the first can simplify things.
- You would hold the loan long enough to earn back the costs. Staying put for years gives the closing costs time to pay off.
Notice what is missing from the list: “the pricing is about the same as my old loan.” That case barely exists, and when it does, the reset matters less.
One more route: some wholesale lanes reach up to 89.99% leverage with no mortgage insurance, at a 680 score and a 50% ratio, on a thirty-year fixed, primary residence with a conforming balance. That lane carries its own six months of seasoning. It suits the large-cash owner with real credit strength. It is not written on a Texas homestead. Exact terms depend on the lender’s guidelines, property type, leverage, and a full review of the borrower’s file.
When to Keep the First Mortgage Instead
The common rule is mostly right, so respect it. Keep the first mortgage when:
- Your cash need is small next to your balance.
- Today’s pricing sits well above your old loan.
- You are far into your current term. A reset adds years of interest you have already paid down.
- A fixed second lien is on the table and you can handle the second payment.
- You might move soon. Refinancing costs you upfront, and a short stay won’t recover them.
And what about simply not borrowing? Paying cash, delaying the project or selling the home belong in the comparison. A more affordable loan is the one you skip. If the project can wait, waiting is a real option.
Where the General Rule Breaks
The 80% figure is not universal. Several situations change it.
Limited cash-out. A limited, or rate-and-term, refinance allows far higher leverage, 95% on a one-unit principal residence. It permits only incidental cash back. It also lets you pay off the first, the closing costs and a purchase-money second. It is not a cash-out. It is a different loan.
Delayed financing. If you bought with cash, the six-month title wait can be waived. The original purchase must have been arm’s length, documented by a settlement statement showing no mortgage.
More than one unit. The ceiling drops to 75% on two- to four-unit principal residences. Second homes and investment property carry the same 75% in our programs. Occupancy decides leverage.
Existing seconds. A second that stays must usually be resubordinated, unless state law keeps its priority. The combo of a limited cash-out first plus a new second exists, but treat it as a question for your loan officer, not a recommendation.
Texas. A cash-out on the homestead is capped by the state constitution at the agency figure, and special rules apply.
Structures the guide excludes. Some loans do not qualify for cash-out treatment, including loans with a temporary buydown and installment land contract payoffs. A PACE obligation can also block a cash-out if you decline to pay it off.
Loan size. The new, larger loan must still fit under your county’s conforming limit to stay conforming. Above it, the jumbo programs take over.
The Risk Side
Your home is the collateral. Lenders price home-secured debt lower because they hold a legal claim on the house if you stop paying. The CFPB’s guide to using home equity also warns that a larger loan can stretch the payoff time and raise the payment. It notes that the rate and terms change because the new loan replaces the old one.
Then there is the cost side. The CFPB’s refinance handout tells you to weigh the cost to refinance against the benefits. Costs usually include the appraisal, title insurance, origination charges and prepaid items.
Loan-level price adjustments also apply to many cash-out loans, based on leverage and credit score. You may not see them as a line item. They show up in the pricing.
A final point on mortgage insurance. If your new loan goes above 80% of value, mortgage insurance applies. You can request cancellation at 80% of the original value with good payment history, no subordinate liens and no drop in value. The servicer must end it at 78%.
Tax treatment can depend on your situation; borrowers should speak with a qualified tax professional before relying on any deduction or credit.
Decision Table
| Your situation | Likely better fit |
|---|---|
| Small cash need, wide gap to today’s pricing | Keep the first, add a second |
| Large cash need relative to the balance | Cash-out refinance |
| Dislike floating payments | Fixed second or cash-out |
| No lender will write a second | Cash-out refinance |
| Need almost no cash, want a lower payment | Limited cash-out refinance |
| Moving soon | Skip the refinance |
Other Routes
Rent the home out instead of selling. That changes the loan type and the occupancy rules, so talk to a loan officer before you commit.
Equity-sharing products. They trade future appreciation for cash today. Read them as carefully as you would a loan.
Reverse mortgage. It suits older borrowers with a specific need, and it has its own eligibility rules.
Sell. If you were planning to move anyway, selling frees the equity without a new loan.
Key Terms Defined
Cash-out refinance: a new, larger first mortgage that pays off your current loan and gives you the leftover equity in cash.
Second lien: a separate loan secured by the same home, sitting behind your first mortgage. A HELOC is one example.
Combined leverage (CLTV): all loans against the home added together, divided by its value.
Seasoning: the waiting period lenders require, such as months on title or months since your current loan began.
Limited cash-out refinance: a refinance that pays off your loan and costs but returns only a small amount of cash.
Blended cost: the weighted average of your old first loan and a new second, each counted by its balance.
Frequently Asked Questions
Can I keep my low rate and still pull cash out through a conventional refinance?
No. A cash-out refinance replaces your whole first mortgage, so the new terms cover the entire balance. To keep the old loan, you need a second lien instead. The blended-cost test above shows when that is the better route.
How much of my equity can I actually take out?
On a one-unit primary residence, the ceiling is 80% of the home’s value, counting every loan against it. Take that amount, subtract your payoff and costs, and you have the cash. Two- to four-unit homes sit at 75%. Everything is subject to lender guidelines and full file review.
Does paying off my HELOC count as a cash-out?
Often, yes. Paying off a purchase-money second with no cash out is a limited cash-out refinance. A non-purchase-money second can push the file into cash-out treatment even if you receive nothing. Confirm how your lender classifies it before you apply.
How long do I have to own the home before I can do a cash-out?
At least one borrower must be on title for 6 months, and the first mortgage being paid off must be 12 months old. Delayed financing, inheritance and legal-award exceptions exist. Check which one fits your purchase.
Is an appraisal required on every cash-out?
Not necessarily. For some eligible files, the agencies’ automated system can accept a value without an appraisal. The system decides, and appraised value drives how much cash you can reach.
Your Next Step
If you are weighing a cash-out refinance against keeping the loan you have, Lendmire can help you compare the programs and the equity each one reaches. Lendmire is a mortgage broker, and programs are subject to lender guidelines. Nothing here is a commitment to lend.
For your own numbers, request a scenario review with Lendmire.
About Lendmire
Lendmire — NMLS# 2371349 — is a mortgage broker that arranges FHA, VA, conventional and jumbo home purchase and refinance financing in 16 states through wholesale lenders. Every option is subject to the lender’s guidelines and full underwriting. Scotsman Guide named Lendmire a Top Mortgage Workplace in both 2025 and 2026.
For the program’s current guidelines, see conventional loan programs.
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References
1. Fannie Mae Selling Guide B2-1.3-03, Cash-Out Refinance Transactions
2. Fannie Mae Eligibility Matrix
3. Freddie Mac Guide §4301.5, Cash-Out Refinance Mortgages
4. CFPB, Using Home Equity to Meet Financial Needs
This article is part of Lendmire’s Conventional Loans series — every loan program’s qualification details, guidelines, and scenarios live on the loan options page.
Related reading: Can You Get a Conventional Cash-Out on a Home in a Revocable Trust? · Conventional Cash-Out Refinance Requirements at a Glance · Conventional Cash-Out Refinance Requirements for Buying Out Your Spouse
Brandon Miller
Founder & CEO, Mortgage Loan Originator, Lendmire LLC
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Disclosure information. Lendmire is a state-licensed mortgage brokerage under NMLS# 2371349. Lendmire is not a depository institution, direct lender, or financial advisor — all loans referenced are placed through wholesale lender partners and are subject to each lender's underwriting standards. This article is provided for general informational purposes and is not a commitment to lend, nor does it constitute financial, legal, or tax advice. Loan programs, terms, rates, and qualification standards change without notice and depend on borrower profile, property type, and the state in which the subject property is located. Equal Housing Opportunity provider. NMLS Consumer Access: nmlsconsumeraccess.org.