Home prices in many parts of California sit above the conforming loan limit, so a conforming loan may not stretch far enough to cover the purchase. A jumbo loan, sometimes called a jumbo mortgage, can fill that gap, and it typically comes with its own set of rules. Wonder Rates works as a mortgage broker, not a single bank: we compare jumbo programs across many wholesale lenders, which can help you find an option that fits your situation.
Jumbo loan requirements at a glance
- Minimum credit score
- Generally 680 to 700, depending on the lender
- Down payment
- Larger down payment typically required; varies by loan amount and lender
- Maximum DTI
- Usually around 43%, often stricter than conforming loan guidelines
- Mortgage insurance
- Varies by lender; some jumbo programs skip it
- Cash reserves
- Often 6 to 12 months of payments, depending on the lender and loan size
- Loan amount
- Above the conforming loan limit for the property’s county. For 2026, the baseline limit is $832,750 for a one-unit property in most areas, with a ceiling of $1,249,125 in high-cost counties.
General market guidelines that may vary by lender, loan program and borrower profile. They are not a commitment or guarantee from Wonder Rates, Inc.
jumbo_infographic · 1600×900How do jumbo loans work?
Conforming loans can be purchased by Fannie Mae or Freddie Mac. Jumbo loans cannot. Lenders either keep jumbo loans in their own portfolio or sell them to private investors. Because the lender takes on more risk, jumbo loans typically call for stronger credit, larger cash reserves and more documentation than a conforming loan.
For 2026, the baseline conforming loan limit for a one-unit property is $832,750 across most of the U.S. In designated high-cost counties, the limit can run as high as $1,249,125. Any loan above the limit that applies to your county generally counts as jumbo. Because the exact figure varies by county, check the FHFA conforming loan limit map (opens in a new tab) for the number that applies where you’re buying.
For qualified borrowers, jumbo loans can still offer competitive pricing and flexible structures, and some lenders offer jumbo programs without mortgage insurance, depending on your financial profile. Terms vary widely from lender to lender, which is one reason it helps to compare more than one program before you commit.
Why California buyers often need jumbo loans
California is consistently one of the most expensive housing markets in the country. In counties like Santa Clara or Orange, even a modest single-family home can cost more than the conforming loan limit, so buyers here run into jumbo loan questions far more often than buyers in lower-cost states.
Some buyers combine two loans to stay under the conforming limit. Others prefer a single jumbo loan to keep their financing and monthly payment simpler. Either path can work; the right one depends on your price range, savings and long-term goals for the property. Use the max purchase price calculator to see what your income and savings may support.
How to qualify for a jumbo loan
Jumbo underwriting looks at several factors together, not just your loan amount. Debt-to-income ratio (DTI) is the share of your monthly income that goes toward debt, including your future mortgage payment; check yours with the DTI calculator. Here is what lenders typically review:
- Credit history
most lenders want a strong track record, generally a score in the 680 to 700 range or higher, with a clean recent payment history.
- Income stability
steady, well-documented income. Self-employed borrowers may need additional income and business documentation.
- Cash reserves
many jumbo programs require 6 to 12 months of mortgage payments left over after closing, on top of your down payment and closing costs.
- Down payment
typically larger than for conforming loans, varying by lender and loan size.
- Property appraisal
because loan amounts are larger, lenders often order a more detailed appraisal, and sometimes a second one.
Meeting these factors does not guarantee approval. Every lender weighs them differently, which is why comparing programs matters.
Conforming vs. conforming high-balance vs. jumbo
These three terms get mixed up often, and the difference matters: it affects how your loan gets priced and underwritten, which lenders you can use, and your underwriting requirements. A high-balance loan sits between the other two categories.
| Conforming | Conforming high-balance | Jumbo |
|---|---|---|
| At or below the standard FHFA loan limit for most counties | Above the standard limit, but at or below the higher limit for high-cost counties like Santa Clara or Orange | Above the high-balance limit, or above the standard limit where there is no high-balance tier |
A Wonder Rates broker can help you sort this out early. Not every lender offers the same mix of programs.
Why work with a mortgage broker?
A bank can only offer its own products. A mortgage broker compares wholesale lenders on your behalf, and for a jumbo loan that difference can matter a lot, since programs vary so much from one lender to the next. A broker may compare options without requiring separate applications to each lender. That is the core of what Wonder Rates does. Working with a broker may surface:
- Different down payment options
- Different pricing across lenders
- Different reserve requirements
- More flexible underwriting for your specific profile
How it works with Wonder Rates
- 1
Share your target price range and savings plan
This gives your loan officer a starting point.
- 2
We compare wholesale jumbo lenders on your behalf
This may surface programs you would not find on your own.
- 3
Review the qualification requirements together
Credit, reserves and documents, before you make an offer.
- 4
Move forward
Your loan officer guides you through underwriting and closing.
jumbo_video · 16:9 embedA licensed loan officer can walk you through your own numbers, in English or Tiếng Việt.
Call 408-600-1900Who a jumbo loan is for
Bay Area buyers
Home prices in counties like Santa Clara often sit well above the conforming limit. Jumbo or high-balance loans come up a lot here, in cities like San Jose and across the Bay Area.
Orange County buyers
Many homes cost more than the conforming limit, even modest ones, so buyers here often face the same conforming-versus-jumbo questions as Bay Area buyers.
High-income professionals
Buyers in tech, medicine or law often have strong income and credit, which can fit jumbo underwriting well. A broker can match this kind of profile to the right lender.
Buyers who want to avoid a piggyback loan
Some buyers stack a first and second mortgage to cover a higher price. Others prefer one jumbo loan to keep closing and payments simpler.
Pros and cons
Pros
- May finance higher-priced homes without a second loan
- Larger loan amounts than conforming programs allow
- Pricing may compete with some conforming loans, depending on the market and your profile
- A broker can compare many wholesale jumbo lenders, not just one bank
- May help you avoid a piggyback loan structure
Cons
- Down payment requirements often run higher than conforming loans
- Underwriting tends to need more documents
- Reserve requirements can tie up more of your savings
- Credit score and DTI requirements are generally stricter
- Fewer lenders offer jumbo programs than conforming ones
Jumbo loan vs. piggyback loan
Some buyers pair a conforming first mortgage with a second mortgage to stay under the conforming limit and avoid jumbo financing altogether. This is often called a piggyback loan. Others prefer a single jumbo loan for a few reasons:
- One monthly payment instead of two
- Simpler underwriting overall
- Potentially fewer closing costs
There is no single right answer. Which option costs less and fits your finances better depends on current pricing and your specific numbers, so a loan officer can run both scenarios side by side.
Jumbo vs. conventional: quick comparison
If your loan amount is close to the conforming limit, compare a jumbo loan against a conventional loan. Some buyers also look at an interest-only loan to manage early payments differently, depending on their goals and qualification.
| Jumbo | Conventional | |
|---|---|---|
| Loan amount | Above the conforming loan limit for the county | At or below the conforming loan limit |
| Down payment | Typically larger | Low down payment options available, depending on the program |
| Mortgage insurance | Varies by lender; some programs skip it | Often required when the loan is above 80% of the home’s value |
| Reserve requirements | Often 6 to 12 months | Generally lower; varies by lender |
Documents you may need
Jumbo loans generally call for more paperwork than conforming loans, and having these ready ahead of time can speed up the process. Needs vary by borrower type and lender, but often include:
- Pay stubs and W-2s
- Tax returns (the timeframe varies by borrower type and lender)
- Bank statements
- Investment or retirement account statements
- Documentation for any large deposits or gifted funds
- Government-issued ID
Self-employed borrowers, or buyers using foreign income, often need additional income and business documentation. Your loan officer can walk you through exactly what applies to your situation.
Check your county’s loan limit
Conforming and high-balance loan limits vary by county and change every year. Before deciding whether you need a jumbo loan, confirm the current limit where you are buying with the FHFA conforming loan limit map (opens in a new tab), or ask your loan officer to confirm it for you.
Conforming loan limit figures are based on FHFA data for 2026 and are subject to change. This is not tax or legal advice; please consult a tax professional about your situation.
Wonder Rates compares Jumbo options across multiple wholesale lenders.