The Quick Read: Sizing a jumbo cash-out means matching your project budget against three limits: what the lender will count as your home’s value, how much leverage the program allows, and how much payment your paycheck can carry. The lowest of those three sets your real ceiling. For many salaried borrowers, income ends up binding before home value does. Everything below is subject to lender guidelines and full file review, and none of it is a commitment to lend.
Key Takeaways
- Work backward from the project: bid, contingency, closing costs, and the old mortgage you must pay off.
- Check value capacity (home value times the allowed leverage) and income capacity (the payment your W-2 pay supports). The smaller number wins.
- Bonus, commission, and stock pay count only when they have a documented history. Base salary is the easy part.
- If the numbers fall short, trim scope, phase the work, or switch products before you apply.
What “Sizing” Means for a Salaried Borrower
Sizing is the work you do before you apply. You decide how much cash you need, then test whether the loan can deliver it.
Most people start with a wish: “I want a kitchen and a primary suite.” Lenders start with limits. Sizing is where the two meet.
Here is the whole idea in three questions:
1. Project need. How much total cash does the job require, including everything that rides along with the refinance?
2. Value capacity. How much can the program lend against the home’s appraised value?
3. Income capacity. How large a new payment does your documented traditional employment income support?
Lendmire’s jumbo cash-out refinance program page lays out the loan types in this space. This article covers the planning that comes first.
A quick scope note. This is about sizing the loan, not tax strategy. Tax treatment can depend on your situation; borrowers should speak with a qualified tax professional before relying on any deduction or credit.
Key Terms Defined
Jumbo loan: A mortgage that starts one dollar above the conforming loan limit for the county where the home sits.
Cash-out refinance: A new, larger mortgage that pays off your current one and hands you the difference.
LTV and CLTV: Loan-to-value is the loan divided by the home’s value. Combined loan-to-value adds any second lien to the loan before dividing.
DTI (debt-to-income) ratio: Your monthly debts, including the new housing payment, divided by your gross monthly income.
Reserves: Savings left over after closing, measured in months of your full housing payment.
As-is value: What the home is worth today, before the work.
As-completed value: An appraiser’s estimate of the home’s value once planned work is finished.
Step 1: Calculate Project Need
Your need is bigger than the contractor’s bid. A cash-out refinance replaces your whole first mortgage, so the new loan must cover several things at once.
The formula in words:
Total need = payoff of current mortgage + other liens paid off + renovation budget + contingency + closing costs.
Build each piece with care:
- Bid. Use a signed bid or a detailed scope, not a hunch. Vague numbers grow.
- Soft costs. Architects, permits, design fees, and temporary housing all count. Many owners forget them.
- Contingency. Plan a cushion on top of the bid. Overruns come out of your pocket, and a loan cannot be reopened for extra cash mid-project. Older homes and structural work call for a thicker cushion.
- Closing costs. These are real money and they reduce your net. Your Loan Estimate shows them before you commit.
- Payoff. This is the balance on your current first mortgage, plus any home equity line or second loan you want closed out.
The payoff is the piece people underestimate. If your existing balance is already large, it uses up much of the room before a dollar of renovation cash appears.
Step 2: Calculate Value Capacity
Value capacity is the maximum loan minus everything that must be paid off. Run it like this:
Maximum loan = lender’s value × maximum LTV.
Cash available = maximum loan − payoff − other liens − closing costs − any funds the lender holds back.
Two details shape the answer.
Which value does the lender use?
On a standard cash-out, the lender uses the as-is appraised value. Your home today, not your home after the remodel.
Some renovation products use the as-completed value instead. An appraiser reviews your plans and contractor bid, then estimates the finished value. Fannie Mae’s HomeStyle renovation FAQs describe that approach for conforming loans, including that the work does not have to add value to be financed. That is an agency program. Jumbo loans sit outside it.
Across the wholesale jumbo lanes Lendmire places files with, plan on the as-is value unless a specific lane tells you otherwise in writing. Treat any after-renovation boost as a bonus you confirm, not a number you count on.
How much leverage does the lane allow?
Jumbo limits come from each lender, not from one national rulebook. In the jumbo lanes Lendmire arranges, leverage reaches as high as 90% on the headline lane, and several lanes reach 89.99% combined LTV. The remaining lanes stop at 80%. Cash-out sits at lower leverage than a purchase, and the largest lanes add a cash cap. Loans run up to $5,000,000 on the largest lanes. The exact cash-out cap for your file depends on lane, amount, occupancy, and credit.
Two appraisals are required above a lane’s threshold amount. Build that into your plan, because a second appraisal is a second chance for the value to land lower than you hoped.
One more point on equity. Federal consumer guidance on using your home equity notes that lenders typically want 10% to 20% of the home’s value left as equity. The leverage caps above already build that cushion in.
How Do I Know If a Loan Is Jumbo?
It depends on your county and unit count. The Federal Housing Finance Agency sets the baseline each year and a higher ceiling for expensive counties. Its conforming loan limit announcement explains that a county limit rises above the baseline only where 115% of the local median home value exceeds it. Alaska, Hawaii, and a few territories have separate limits.
So there is no single national cutoff. Check your county’s limit on FHFA’s loan-limit lookup. The limit changes, so quote it only from the source.
Step 3: Calculate Income Capacity (the W-2 Step)
This step is where salaried borrowers often hit the wall.
Income capacity = the largest total monthly payment your income supports, minus your other monthly debts.
The ratio ceilings in the jumbo lanes Lendmire works with are 50% on the fixed-rate lanes, 45% on the adjustable lanes, and 43% on the interest-only lanes. The structure you choose changes how much payment your income can carry. Payment here means principal, interest, taxes, insurance, and any association dues. Add your car loans, student loans, and card minimums.
The federal ability-to-repay standard shapes this, too. The CFPB’s General QM final rule requires lenders to make a reasonable, good-faith judgment that you can repay, and it replaced the old fixed 43% DTI cap with price-based thresholds. Lenders also are not required to make loans in the “qualified mortgage” category. Your jumbo lender sets its own ratio limits, as the lanes above show.
How W-2 pay is treated
Base pay is the easy piece. Variable pay takes more proof. Here is how it generally works, using the agency standard as a reference point. Fannie Mae’s Selling Guide on base pay, bonus, and overtime is the conforming benchmark, and jumbo lenders set their own rules, often with similar or tighter expectations.
| Income type | Typical treatment | Documents | Risk to flag |
|---|---|---|---|
| Base salary | Counted at current pay | Recent paystubs, W-2s | Short job history |
| Hourly pay | Counted from hours worked | Paystubs, W-2s | Cut hours |
| Bonus | Averaged over its history | W-2s, paystubs | Declining trend |
| Commission, overtime | Needs a documented history | W-2s, paystubs | Uneven years |
| Stock compensation | Counted case by case | Vesting records, W-2s | Short history |
Three points deserve attention.
History matters. Two years of income history is the common standard. Bonus or overtime generally needs at least 12 months. Shorter histories can sometimes be accepted when other factors offset them.
Trend matters more than the best year. Lenders look at whether variable pay is stable, rising, or falling. A falling trend can push that income out of the calculation. They do not simply average your good and bad years.
W-2s hide detail. A W-2 lumps income together. If part of your pay is bonus or equity, expect requests for paystubs and award statements to separate the pieces.
A few W-2 quirks
- Recent job change. A new job in the same field with similar pay often works. A jump into a different field or a lower base with a large bonus draws more questions.
- Two earners. A second borrower’s income adds capacity, but it also adds their debts and credit file.
- Unvested stock. Lenders often discount or exclude it when they count reserves. Do not plan to use it as your cash cushion without asking.
Reserves deserve their own thought. Across the jumbo lanes, reserves are measured in months of the full payment, and the requirement rises with the loan amount. Plan on a reserve cushion that stays in the bank after closing, separate from your renovation budget.
Worked Example: Finding the Binding Limit
This is a modeled illustration, not a program quote or a cited market fact. It uses percentages only.
Say a salaried household owns a home with an existing mortgage balance equal to a bit more than half its value. They want a major kitchen and bath renovation. The project plus contingency and closing costs adds up to roughly a sixth of the home’s value.
Value check. Add the payoff, the project, the cushion, and the closing costs. The total lands close to the lane’s cash-out cap. Value capacity is tight but workable, with little room left for an appraisal that comes in light.
Income check. Suppose their other monthly debts use up about 12% of gross income. The new full housing payment on the larger loan would take around 33%. Together that is 45% of gross income.
That figure clears a 50% fixed-rate ceiling. Pricing and available terms vary by lender, borrower profile, property type, and full underwriting review. So income, not value, decides which structure is open to them.
The verdict. The binding constraint depends on the structure. On a fixed loan, value is the tighter limit. On an adjustable loan, income is. They either trim the project, pay off a car loan to free up ratio room, or choose the fixed structure.
Run your own version of that exercise in this order. Compute need first. Test value second. Test income last.
When the Numbers Do Not Fit
A shortfall is a planning problem, not a dead end. These are the common moves:
- Trim the scope. Cut the pieces that add the least. Finish selections are easier to downgrade than structure.
- Phase the work. Do the essential pieces now. Save the rest for later with cash or a separate loan.
- Pay down debt. Retiring a monthly obligation can free up more ratio room than it costs in savings.
- Add a co-borrower. Another documented income can lift capacity, with the caveats above.
- Change the structure. A fixed, adjustable, or interest-only lane changes the ratio ceiling and the payment.
- Switch products. An equity line or a standalone renovation loan may fit better, as the next section shows.
- Wait. A longer variable-income history can turn undocumentable pay into counted pay.
Cash-Out Versus the Alternatives
A cash-out is not the only way to fund a renovation. The right choice depends on your current mortgage and how much cash you need.
| Option | What changes | Best fit |
|---|---|---|
| Jumbo cash-out | Replaces your whole first mortgage | Large project, current loan has no advantage |
| Home equity line | Adds a second lien, keeps first mortgage | Existing first mortgage worth keeping |
| Renovation loan | Funds released against a plan | Smaller or staged projects |
| Keep loan, pay cash | No new debt | Savings cover the work |
The key tradeoff is that a cash-out replaces your existing loan and its terms. Compare the full new payment against your full old payment, including taxes and insurance. The CFPB has cited a lender for comparing only principal and interest against an old payment that included taxes and insurance. Do not make the same mistake on your own spreadsheet.
Also note that the cash arrives as one lump sum at closing, not in draws. Decide where it will sit and how you will pay your contractor from it. A separate account helps you track what is spent.
Mistakes That Shrink Your Proceeds
- Skipping contingency. The bid is the floor, not the budget.
- Forgetting closing costs. They come out of what you net.
- Ignoring the payoff. A big existing balance eats your capacity before the remodel starts.
- Counting income you cannot document. A bonus without a history may not count.
- Planning around an after-renovation value. A standard cash-out uses today’s value.
- Overlooking a second appraisal. Above the lane’s threshold, two appraisals apply, and the lower number matters.
- Comparing only the interest portion. Look at the full payment.
- Draining your reserves. Leave the months of cushion the lane asks for.
Also keep the risk in view. A cash-out raises your balance and your payment, and a renovation that pushes your ratio to the ceiling leaves little room if your income dips. The CFPB’s mortgage market report release points the same direction. It describes rising closing costs, denials for insufficient income, and a growing share of cash-out refinances.
Where to Go From Here
Start with your total need number. Then run both capacity tests.
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.
Frequently Asked Questions
Can a jumbo lender size my loan on what my home will be worth after the renovation?
Usually not. A standard cash-out uses today’s appraised value. Some renovation programs use an as-completed value, but Fannie Mae’s version is a conforming product, and jumbo lanes largely sit outside it. Ask for any after-renovation treatment in writing before you plan around it.
Does a high salary mean a larger cash-out?
Not by itself. Lenders weigh your income against all your monthly debts and the new payment. A large salary with heavy debts can support less than a modest salary with few obligations. Home value and leverage limits apply on top of that.
Will my bonus count toward qualifying?
It can, with documentation. Lenders look for a history, commonly at least 12 months for bonus or overtime, and a stable or rising trend. A declining bonus can be left out. Each jumbo lender sets its own rules, so confirm yours.
Can I renovate first and refinance afterward?
Often yes, but your paid-out costs do not automatically become cash back. Value is judged on the home as it stands, and the loan must satisfy leverage, income, and reserve checks. Sizing before you spend lets you see whether the numbers work.
Is a jumbo cash-out always the best way to fund a renovation?
No. If your current first mortgage has terms worth keeping, a home equity line or a smaller renovation product may serve you better. Compare the full monthly payment and total costs on a Loan Estimate for each option before choosing.
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 jumbo loan programs.
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References
1. Fannie Mae HomeStyle renovation FAQs
2. CFPB guide to using your home equity
3. FHFA conforming loan limit announcement
5. Fannie Mae Selling Guide: base pay, bonus, and overtime income
This article is part of Lendmire’s Jumbo Loans series — every loan program’s qualification details, guidelines, and scenarios live on the loan options page.
Related reading: Can a Trust With a Co-Trustee Get a Jumbo Cash-Out? · How to Do a Jumbo Cash-Out When Both Spouses Are on the Mortgage · How to Close a Jumbo Cash-Out When the Trust Is Irrevocable
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.