By Lena Polnet, NMLS #17225 | Dynamic Funding Solutions, Inc.
A buyer looking at a $1.2 million home on the Main Line outside Philadelphia assumes the mortgage process works the same as any other purchase. It doesn’t. Once the loan amount exceeds the conforming loan limit, you’re in jumbo territory, and the qualification rules change significantly. Most borrowers find this out after they’ve already made an offer.
What Is a Jumbo Loan?
A jumbo loan is any mortgage that exceeds the conforming loan limit set annually by the Federal Housing Finance Agency (FHFA). For 2025, that limit is $806,500 for most counties in the United States, including the majority of Pennsylvania and Florida counties. Loans above that threshold cannot be purchased by Fannie Mae or Freddie Mac, which means lenders hold them on their own books or sell them to private investors.
Because lenders take on more risk with jumbo loans, they apply stricter standards across the board. This is not a bureaucratic inconvenience. It reflects the reality that a default on a $1.4 million loan is a much larger loss than a default on a $400,000 one.
Jumbo loans are common in high-value markets across both states. In Pennsylvania, that includes the Main Line suburbs (Villanova, Bryn Mawr, Wayne, Gladwyne), Center City Philadelphia condos, and parts of Chester and Montgomery Counties. In Florida, jumbo volume is concentrated in Palm Beach, Coral Gables, Naples, Sarasota, and parts of Miami-Dade.
Who Qualifies for a Jumbo Loan?
Jumbo underwriting is more conservative than conventional. Here is what lenders typically require:
Credit score: Most jumbo lenders require a minimum score of 720, and many prefer 740 or higher. A score in the 680s that would easily clear a conventional loan may not clear a jumbo lender’s threshold.
Down payment: Expect a minimum of 10% down, with many lenders requiring 20% to avoid additional overlays. On a $1.2 million purchase, 20% is $240,000. This is not a small number, and buyers need to document the source of those funds thoroughly.
Debt-to-income ratio (DTI): Conventional loans allow DTI up to 45-50% in some cases. Jumbo lenders typically cap at 43%, and some preferred programs set the ceiling lower.
Cash reserves: This requirement often surprises borrowers. After closing, you must demonstrate that you have 6 to 18 months of mortgage payments in accessible liquid assets. The reserve requirement varies by lender and loan size. For a $1.5 million loan at a $7,500 monthly payment, 12 months of reserves means $90,000 sitting in your accounts after your down payment clears.
Income documentation: Full documentation is the standard. W-2 borrowers need two years of returns and recent pay stubs. Self-employed borrowers face the same bank statement and P&L challenges they encounter with conventional lending, only more so. (See our post on Non-QM loans if that situation applies to you.)
Property appraisal: Jumbo purchases often require two independent appraisals rather than one. The lender is underwriting a large asset and wants a second opinion on value.
Pros, Cons, and When a Jumbo Loan Makes Sense
Advantages:
- Access to financing for high-value properties that exceed conforming limits
- Competitive rates when your profile is strong (jumbo rates are not always higher than conforming rates in the current environment)
- Flexibility on property types, including non-warrantable condos in some cases
- No mortgage insurance requirement, even with less than 20% down on some programs
Disadvantages:
- Stricter qualification requirements across every category
- Large reserve requirements that tie up liquid assets
- Fewer lender options than the conventional market
- Longer underwriting timelines due to manual review requirements
A jumbo loan makes sense when you are purchasing a property that requires it and your financial profile can meet the requirements comfortably. If you are right at the conforming limit and can structure the transaction to stay under $806,500, that is worth exploring. Sometimes a slightly larger down payment or a seller concession keeps you in conventional territory where the process is faster and qualification is easier.
Common Mistakes with Jumbo Loans
Assuming bank relationships help: Having accounts at a major bank does not mean that bank’s jumbo program is competitive. Retail bank jumbo products often carry higher rates and stricter overlays than wholesale lender programs. A mortgage broker with access to multiple jumbo investors is often a better path.
Moving money before application: Jumbo underwriters scrutinize asset documentation closely. Large deposits, transfers between accounts, or gift funds must be fully sourced and explained. Moving money around shortly before application creates paper trail problems that can delay or kill a deal.
Underestimating reserve requirements: Buyers budget for the down payment and closing costs but forget the reserve requirement. If you drain your liquid accounts to close, you may fail the reserve test even after the down payment clears.
Applying for other credit during the process: Any new inquiry or account during underwriting is a problem on any loan, but jumbo underwriters are particularly attentive to changes in the credit profile between application and closing.
Skipping pre-approval on jumbo purchases: In competitive markets like the Main Line or Palm Beach, a jumbo offer without a credible pre-approval carries real risk. Sellers and their agents can distinguish between a generic pre-qualification letter and a verified pre-approval from a lender who has actually run the numbers.
How Dynamic Funding Solutions Can Help
Dynamic Funding Solutions works with multiple wholesale jumbo investors, which means access to programs that retail banks do not offer. Lena Polnet has placed jumbo loans for buyers in Montgomery County, Chester County, Bucks County, and Florida markets including Palm Beach and Coral Gables.
The process starts with a full picture review: credit, income, assets, reserves, and the specific property. From there, Lena identifies which investors have the best programs for your profile rather than fitting you into a single product. Jumbo approvals require precision. Having a broker who can match you to the right lender matters more at this loan size than on a conventional purchase.
Call (215) 364-7171 to discuss your situation before you make an offer. On a jumbo purchase, knowing your numbers in advance is not optional.
Frequently Asked Questions
- What is the jumbo loan limit in Pennsylvania for 2025?
- In most Pennsylvania counties, the conforming loan limit for 2025 is $806,500. Any loan amount above that is considered a jumbo loan. A small number of high-cost counties may have higher limits, but the majority of PA buyers are working with the standard threshold.
- Are jumbo mortgage rates higher than conventional rates?
- Not always. Jumbo rates have historically been higher than conforming rates, but the gap has narrowed significantly and in some rate environments jumbo rates are competitive with or even below conventional rates. The rate you receive depends on your credit profile, loan-to-value ratio, lender, and market conditions at the time of application.
- Can I get a jumbo loan with 10% down?
- Yes, some jumbo programs allow 10% down, though 20% is more common and tends to come with better pricing. With 10% down, expect stronger requirements on credit score and reserves, and be aware that some lenders require private mortgage insurance at that loan-to-value ratio while others do not. Lena can match you to the program that fits your down payment and profile.