Jumbo Loans

A jumbo loan is a loan-size problem before it is a rate problem.

A mortgage is jumbo when the loan amount exceeds the conforming limit for the county the property sits in. That single threshold changes who can buy the loan, which changes the documentation, the reserve expectation, and how widely pricing varies between one investor and the next.

Get a second opinion

When the jumbo conversation starts

Your loan amount is above the conforming limit for your county
You are close enough to the limit that a larger down payment could avoid jumbo entirely
Your income is documented through a business, K-1s, or assets rather than a W-2
You are holding more than one jumbo quote and the numbers are far apart

Short answer

What makes a loan a jumbo mortgage

A jumbo mortgage is a loan larger than the conforming loan limit for the county where the home sits. FHFA adjusts those limits every year under federal law, with higher limits in high-cost areas. Fannie Mae and Freddie Mac buy only loans within the limit, so each jumbo lender or investor writes its own rules for credit, down payment, reserves, and pricing. The CFPB notes that a jumbo mortgage may cost more than a conforming one.

Reviewed by Jeff Shin, NMLS #1041652. Updated October 8, 2026.

What Sets The Threshold

The limit is set per county, and it changes every year.

The Federal Housing Finance Agency publishes conforming loan limits annually, with higher limits in designated high-cost counties. Your loan is conforming up to that number and jumbo above it. Because the limit moves and is location-specific, whether a purchase needs jumbo financing is a question about the county and the loan amount, not about the price of the house on its own.

Just over the line

When the loan amount lands slightly above the county limit, increasing the down payment or restructuring with a second lien can keep the first mortgage conforming. Worth pricing both ways before assuming jumbo.

Clearly above the line

Well above the limit, jumbo is the only lane and the question becomes which investors will look at the file. Portfolio lenders and non-agency investors underwrite the same borrower differently.

High-balance territory

Some counties carry a raised limit. A loan that would be jumbo elsewhere can be high-balance conforming there, which is a different product with different pricing.

What Lenders Commonly Ask For

Jumbo underwriting is guideline-by-guideline, not a single rulebook.

Conforming loans are underwritten to one set of agency rules. Jumbo loans are not: each investor writes its own guidelines, so two lenders can reach opposite conclusions on the same file. The items below are what jumbo programs commonly ask for. None of them is a universal requirement, and none is a commitment to lend.

Credit

Jumbo programs generally start at higher credit thresholds than conforming, and the tier breaks are steeper.

Down payment

Commonly 10% to 20%, with more asked for on second homes, investment property, or larger loan amounts.

Reserves

Months of payments held after closing. This is often the item that decides a jumbo file, and it varies more between investors than anything else.

Income documentation

Full tax returns are typical. Bank statement, P&L, and asset-based routes exist and sit in the non-QM product family.

Appraisal

Two appraisals are still required by some investors above certain loan amounts. Budget for the possibility.

Property type

Condominiums, non-warrantable projects, unique properties, and large acreage narrow the investor list before pricing is even discussed.

Why A Second Opinion Matters Here

Jumbo pricing spreads between investors are wider than conforming.

Conforming loans are priced against a liquid secondary market, so lender-to-lender differences are relatively narrow. Jumbo loans are held or sold to a smaller set of buyers with their own appetites, and the spread between them on an identical file is materially wider. That makes a jumbo quote hard to read in isolation: without a second quote there is nothing to read it against. A Loan Estimate review costs nothing and does not require a credit pull.

Questions borrowers ask

Jumbo mortgage questions

What is a jumbo mortgage?

A mortgage above the conforming loan limit for the property's county. Fannie Mae and Freddie Mac buy only loans within that limit, so a jumbo mortgage is kept by the lender or sold to private investors, each with its own guidelines.

Who sets the conforming loan limit?

The Federal Housing Finance Agency. The Housing and Economic Recovery Act of 2008 requires FHFA to adjust the baseline limit each year, and limits are higher in designated high-cost counties. Check FHFA's county list for the current figure before you price a loan near the line.

Are jumbo mortgage rates higher than conforming rates?

Not always. The CFPB notes that a jumbo mortgage may cost more than a conforming loan. Jumbo pricing does not follow the Fannie Mae and Freddie Mac grids, so it can land above or below conforming rates depending on the market, and it varies more from one investor to the next. Compare quotes on the same day, for the same loan amount.

What do jumbo lenders usually require?

Each investor sets its own rules. Common asks are a higher credit score than conforming, a larger down payment, several months of payments held in reserve after closing, full income documentation, and sometimes a second appraisal on larger loans. None of these is a universal requirement.

Can a larger down payment avoid a jumbo loan?

Sometimes. If the loan amount is only slightly above your county's limit, a larger down payment, or a second mortgage on top of a conforming first, can keep the first mortgage within the limit. Price both structures before assuming jumbo.

Sources

Loan limit rules on this page come from FHFA and the CFPB. No agency writes jumbo guidelines; each investor sets its own, and a lender can add stricter requirements. Checked October 8, 2026.

Next Step

Bring the loan amount, the county, and any quote you already have.

Send the purchase price or estimated value, the loan amount, the county, your credit range, how your income is documented, and what you hold after closing. That is enough to say whether the file is jumbo at all and which structures are worth pricing.