The Quick Read: A mortgage turns jumbo when the loan amount, not the home price, lands above the conforming limit for your county and unit count. That limit is the largest loan Fannie Mae and Freddie Mac are allowed to buy. Cross it by one dollar and the loan moves to lender-set rules. A bigger down payment can pull a loan back under the line.
Key Takeaways
- The test is the loan amount: price (or appraised value, if lower) minus your down payment.
- The line differs by county and by how many units the home has. There is no single national number.
- A federal agency resets the limit each year using a house-price index, and it does not lower limits when prices fall.
- Above the line, Fannie Mae and Freddie Mac cannot buy the loan. The lender sets its own credit, reserve and documentation standards.
- Many jumbo loans are still fully regulated mortgages. Lender guidelines and full file review decide eligibility.
What Is the Jumbo Loan Limit, Exactly?
The jumbo loan limit is the conforming loan limit for the county where the home sits. Any loan one dollar above it is jumbo. “Conforming” means the loan fits the size rules that let Fannie Mae and Freddie Mac buy it from the lender.
Jumbo payment estimate
The starting figures are an example price in the jumbo range with ten percent down on a thirty-year fixed. Replace them with yours.
Editable benchmark: 7.40% as of October 15, 2026 · Freddie Mac 30-year average via FRED®. A conventional market reference, not a jumbo loan quote.
Illustrative starting assumptions: a $1,000,000 price in the jumbo range, ten percent down on the top-leverage lane, a thirty-year fixed structure at the current Freddie Mac conforming benchmark, and property taxes and insurance estimated at typical national rates. Every field is editable.
Illustrative estimate only — not a Loan Estimate, approval, quote, or commitment to lend. The rate field carries the weekly Freddie Mac thirty-year conforming benchmark, a market reference and not a jumbo loan quote; jumbo rates are set by the lender and the lane at lock and differ from the conforming benchmark. An adjustable-rate scenario is shown at the benchmark for the whole term; the rate after the initial period is unknown. Reserve months and appraisal counts follow the lane sheet for the amount band; the automated finding may require more. Taxes, insurance and dues are editable estimates; closing costs are not included. On most lanes the conforming limit for the county decides whether a loan is jumbo at all; two lanes start at a stated dollar floor instead. Licensed in sixteen states for consumer mortgages.
Picture two buyers with the same loan amount. One buys in a county with a modest limit. The other buys in a county with a much higher one. The first loan is jumbo. The second is conforming. Same loan, different county, different outcome.
By definition, a jumbo loan starts at that same point: one dollar above the county’s conforming limit. Lendmire’s jumbo loan programs are the wholesale lanes built for loans above it, and each lane sets its own credit, leverage and reserve rules.
Why Does the Line Exist?
The line exists because Fannie Mae and Freddie Mac are only allowed to buy loans up to a set size. Buying loans from lenders frees up the lender’s money to make new ones. That is a big reason conforming loans follow tidy, standard rules.
Above the line, that buyer is gone. The lender either keeps the loan or sells it to private investors. Either way, someone is taking on more risk with no standard rulebook. So the lender writes its own.
That is why jumbo borrowers see different credit, reserve and documentation asks. It is not a penalty. It is what happens when a loan sits outside the standard system.
Who Sets the Limit, and How Does It Change?
A federal agency, the Federal Housing Finance Agency (FHFA), sets the limit. A 2008 law, the Housing and Economic Recovery Act, tells it to adjust the baseline each year for changes in house prices. FHFA’s published addendum lays out the formula and the rounding rules.
Here is how the pieces fit:
1. The baseline. One number applies to most counties. It moves with the annual house-price comparison.
2. The high-cost ceiling. Expensive counties can go higher, but never above 150% of the baseline.
3. The local limit in a high-cost county. It is 115% of the area’s median home value, capped at that ceiling.
4. The rounding. Values are rounded down to a clean step, so the published figures look tidy.
FHFA’s practice is to hold limits steady when prices fall. Law-firm coverage of the most recent announcement reports that limits rose in all but 32 counties or county equivalents. The rest stayed put.
FHFA normally announces the next year’s values in late November. Check its announcement before you plan around a closing near year-end.
This article does not print dollar limits on purpose. They change every year, and stale numbers are a common mistake on pages like this one. FHFA publishes the county list, a map and the methodology with each announcement. Use those for the current figure.
How the Limit Varies by Tier
| Tier | What sets the limit | Who gets it |
|---|---|---|
| Baseline | Annual house-price index change | Most counties |
| High-cost county | 115% of local median value, capped | Expensive counties |
| Ceiling | 150% of baseline | Costliest counties |
| Alaska, Hawaii, Guam, USVI | Higher baseline and ceiling | Those two states and two territories |
Limits also rise with unit count. A two-, three- or four-unit home you plan to live in has a higher limit than a one-unit home. A loan that is jumbo on a single-family house can be conforming on a four-unit building in the same county.
How Do You Check Your Own Loan Against the Limit?
Check in four steps: find your county and unit count, pull that county’s limit, work out your loan amount, and compare. If the loan is above the limit, it is jumbo.
1. Find the county and unit count. The limit follows the property, not where you live now.
2. Look up the limit. Use FHFA’s county list or map from its latest announcement.
3. Work out the loan amount. Take the price, or the appraised value if it is lower. Subtract your down payment.
4. Compare. Over the limit means jumbo. At or under means conforming.
Step three trips people up. The loan is measured against the lower of price or appraised value. If the appraisal comes in under your contract price, the loan-to-value math shifts. The limit also applies to the original loan balance, not what you owe years later.
Worked Examples: Price Versus Loan Amount
These examples use the county limit as a stand-in, called “the limit.” Percentages do the work, so no dollar figures are needed.
Example 1: A home priced 20% above the limit. You put 25% down. Your loan is 75% of a price that is 120% of the limit. That is 90% of the limit. The loan is conforming even though the price is above the limit. The exact numbers vary by lender and program and follow a full review of property, leverage, and credit.
Example 2: A home priced 30% above the limit. The down payment decides the outcome:
| Down payment | Loan as % of the limit | Result |
|---|---|---|
| 10% | 117% | Jumbo |
| 20% | 104% | Jumbo |
| 25% | 97.5% | Conforming |
The same house flips from jumbo to conforming on the down payment alone. Whether you want to put that much down is a separate question, covered below.
Example 3: The unit-count flip. Say a loan is 10% above the one-unit limit in your county. On a four-unit home you plan to live in, that same loan could sit well under the four-unit limit. Same county, different property, different category.
What Changes Once You Cross the Line?
Once you cross the line, the lender’s own guidelines replace the Fannie Mae and Freddie Mac standards. Expect fuller documentation, bigger reserves and tighter credit and ratio thresholds. The cost gap between jumbo and conforming varies by lender and over time. It used to be larger than it is now, but it is not one fixed number.
Here is what the wholesale jumbo programs Lendmire places files with look like. Treat every figure as subject to lender guidelines and full file review. None of it is a commitment to lend.
- Credit. The headline lane works with a 660 decision score. Other lanes may ask for more.
- Leverage. The headline lane reaches 90% loan-to-value. Several lanes reach 89.99% combined loan-to-value (CLTV), which counts a second loan on the same home. The rest stop at 80%.
- Loan size. The largest lanes go up to $5,000,000.
- Debt ratios. The fixed-rate lanes allow a 50% ceiling on your debt-to-income ratio, meaning monthly debts as a share of monthly income. The adjustable lanes sit at 45%. The interest-only lanes sit at 43%.
- Reserves. Reserves are months of your full housing payment held in the bank after closing. They rise as the loan amount rises.
- Appraisals. Above a lane’s threshold amount, two appraisals are required.
- Structures. Fixed, adjustable and interest-only loans are all available, depending on the lane.
One practical observation from arranging these files: the reserves requirement surprises more first-time jumbo buyers than the down payment does. A household can clear the credit and income asks and still come up short on post-closing cash. Add up your liquid reserves before you fall in love with a house.
Jumbo Does Not Mean Unregulated
A jumbo loan is still a regulated consumer mortgage. The lender must make a reasonable, good-faith determination, from documented and verified information, that you can repay. A Congressional Research Service report explains that ability-to-repay requirement. Jumbo loans can also meet the Qualified Mortgage standard. Britannica notes that many jumbo and conventional loans must meet those “qualified” standards.
You also get the same paperwork. A jumbo loan comes with the standard Loan Estimate at application and the Closing Disclosure before closing. Read both. Compare them line by line across lenders.
Where the General Rule Breaks
The simple rule is “over the limit means jumbo.” These cases bend it.
The in-between zone. In a high-cost county, a loan above the baseline but at or below that county’s limit is still conforming. Many people call it “jumbo” in casual talk. It is not. It is sometimes called “super conforming,” and it follows conforming rules.
Higher-priced mortgage rules. Federal rules separate loans into standard and “higher-priced” for pricing and escrow purposes. Regulation Z uses the Freddie Mac limit to define a jumbo loan. It applies a separate, higher pricing threshold to those loans. That is why a jumbo loan is judged on a different yardstick than a conforming one.
Timing across year-end. New limits take effect January 1. If your application and closing straddle that date, which limit applies depends on the lender and the relevant date. Confirm it in writing before you commit to a down payment strategy.
Government loans use different systems. FHA has its own limits, set separately. VA loans work differently again for borrowers with full entitlement. The Fannie Mae and Freddie Mac limit is not the number for those programs.
Refinancing and cash-out. The same line applies when you refinance. A cash-out can push a loan over it, because you borrow more than you owe today. Lendmire’s wholesale lanes set cash-out leverage lower than purchase leverage, with a cash cap on the largest lanes. For the mechanics, see Lendmire’s piece How to Structure a Jumbo Cash-Out When Conforming Would Cross the Limit.
Second homes and rentals. The limit is a loan-size test and does not depend on how you use the home. Occupancy decides the leverage. Primary, second-home and investment occupancy each carry lane-specific leverage.
Condos. Two of the lanes accept non-warrantable condominiums. That means projects that fall outside standard agency project rules.
Staying Under the Limit: The Tradeoffs
You can stay under the limit, but each route has a cost. Here are the common ones:
| Option | What it does | Tradeoff |
|---|---|---|
| Bigger down payment | Shrinks the loan below the line | Ties up more cash |
| Cheaper home | Lowers the loan amount | Fewer choices |
| Second loan (piggyback) | Splits borrowing into two loans | Two payments, two sets of terms |
| Go jumbo | Keeps your cash free | Lender-set rules, reserves |
This one is a genuine toss-up. Putting more cash down to stay conforming lowers your loan, but it drains the savings that jumbo reserve rules may ask you to keep anyway. For some households, a jumbo loan with a smaller down payment leaves a healthier cushion. For others, getting under the line is cleaner. The right answer depends on your cash, your income and how long you plan to stay.
A piggyback structure deserves a careful look at the combined terms, not just the first loan. Ask each lender to show both loans side by side on the Loan Estimate.
Common Misconceptions
- “Jumbo means the price is over the limit.” The loan amount decides it. A large down payment can keep a pricey home conforming.
- “One national number applies.” It varies by county and unit count.
- “Jumbo is for luxury homes only.” In a high-priced market, even a modest home may need a jumbo loan.
- “Jumbo loans are unregulated.” Ability-to-repay rules apply, and many can be Qualified Mortgages.
- “Lenders or HUD set the limit.” FHFA sets it under federal law.
- “The limit drops when home prices drop.” FHFA’s practice is to hold it steady.
Key Terms Defined
Conforming loan limit: The largest loan Fannie Mae and Freddie Mac may buy in a given county for a given unit count.
Jumbo loan: A mortgage with a loan amount above the conforming limit. It is also called a nonconforming loan.
Baseline limit: The standard limit that applies in most counties, adjusted each year with house prices.
High-cost area: A county where home values are high enough to earn a limit above the baseline, up to the ceiling.
CLTV (combined loan-to-value): All loans on the home added together, divided by the home’s value.
Reserves: Cash and liquid assets you hold after closing, counted in months of your full housing payment.
Qualified Mortgage: A loan that meets federal standards on features and on the lender’s repayment check.
Next Steps
Start by looking up your county’s limit on FHFA’s current announcement. Then work out your loan amount at two or three down payment levels. Add up the reserves you could hold after closing.
If you are buying a home and want to see whether a jumbo loan fits your file, Lendmire can help you compare the options and see what each one asks of you as a borrower. You can reach the team at 828-256-2183.
Frequently Asked Questions
What loan size makes a mortgage jumbo?
Any loan above the conforming limit for the property’s county and unit count. The limit varies by location and resets yearly, so a loan can be jumbo in one county and conforming in another. Check FHFA’s current county list.
Is the jumbo loan limit the same everywhere?
No. Most counties share the baseline, but high-cost counties get higher limits, up to a ceiling of 150% of the baseline. Alaska, Hawaii, Guam and the U.S. Virgin Islands start from a higher baseline. Limits also rise for two- to four-unit homes.
Is there a maximum jumbo loan amount?
Yes, but the lender sets it, not the government. Among the wholesale lanes Lendmire places files with, the largest go up to $5,000,000. Any approval depends on lender guidelines and full file review.
When does the limit change?
FHFA normally announces the new values in late November, and they take effect January 1. Which limit applies to a loan that straddles year-end depends on the lender and the relevant date. Ask your loan officer to confirm it in writing.
Does the limit apply to refinances?
Yes. A refinance is tested the same way, against the new loan amount. A cash-out refinance can push a loan above the limit because the new balance is larger than the old one. Cash-out leverage is also lower than purchase leverage on the jumbo lanes.
For your own numbers, request a scenario review with Lendmire.
About Lendmire
Lendmire (NMLS# 2371349) is a mortgage broker licensed for consumer lending in 16 states. Lendmire arranges FHA, VA, conventional and jumbo purchase and refinance loans through wholesale lenders; every file is underwritten by the lender under the applicable program guidelines. Scotsman Guide named Lendmire a Top Mortgage Workplace in both 2025 and 2026.
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Informational only. Not a Loan Estimate, approval, or commitment to lend. Program availability and eligibility are subject to lender guidelines, credit approval, property review, and underwriting.
References
1. FHFA conforming loan limit addendum (HERA formula)
2. Orrick InfoBytes – FHFA announces conforming loan limit increases
3. Congressional Research Service – Ability-to-Repay rule
4. Britannica Money – Jumbo vs. conventional mortgage
5. CFPB – Regulation Z §1026.35, Higher-priced mortgage loans
This article is part of Lendmire’s jumbo loan program — full qualification details, guidelines, and scenarios live on the program page.
Related reading: Can You Get a Jumbo Loan While Carrying Your Current Mortgage? · How Jumbo Loan Income Verification Works for a Planned Retirement · Can You Get a Jumbo Loan on a Condo or Co-Op With Little Down?
Brandon Miller
Founder & CEO, Mortgage Loan Originator, Lendmire LLC
- Mortgage Loan Originator · NMLS# 1129696 · Verify on NMLS Consumer Access
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- Lendmire LLC · Firm NMLS# 2371349 · Verify firm licensure
Important disclosures. Lendmire (NMLS# 2371349) is a licensed mortgage brokerage. Lendmire is not a direct lender, depository institution, or financial advisor. All loan inquiries are subject to lender underwriting; this article does not constitute a commitment to lend. Rates, terms, and program guidelines are subject to change without notice and vary by borrower profile, property type, and state. Information in this article is general in nature and is not financial, legal, or tax advice. Equal Housing Opportunity. NMLS Consumer Access: nmlsconsumeraccess.org.