Jumbo Loans in Ontario, California

Financing for loan amounts above conventional limits, built for higher-value properties.

How Jumbo Loans work in Ontario

When a loan amount exceeds the conforming limit set for Fannie Mae and Freddie Mac, it becomes a jumbo loan, funded by lenders who hold or sell those loans privately.

Jumbo underwriting looks closely at income, assets and reserves. Programs vary widely from lender to lender, which is exactly where shopping the file pays off.

We compare jumbo options across lenders — full documentation and alternative documentation — to find the one that fits your situation.

A jumbo loan is a mortgage larger than the conforming limit. In San Bernardino County that limit is $832,750 for a one-unit home in 2026, so a loan above it is a jumbo loan.

For context, the median value of owner-occupied homes in Ontario is $607,600, according to the Census Bureau's 2020–2024 American Community Survey.

Jumbo guidelines vary much more from lender to lender than conforming ones, so we compare several for each borrower.

Every borrower’s situation is different, so the right next step is a conversation about your income, savings and timeline.

Population
180,547
Main county
San Bernardino County
Median home value
$607,600
Homes owner-occupied
58%
2026 FHA limit, one unit
$690,000
2026 conforming limit, one unit
$832,750

Sources: U.S. Census Bureau, American Community Survey 2020–2024; HUD 2026 FHA limits; FHFA 2026 conforming limits. Loan limits are for San Bernardino County, where most of Ontario’s residents live.

When do I need a jumbo loan in Ontario?

When the loan amount is above $832,750, the 2026 conforming limit for a one-unit home in San Bernardino County.

Can a jumbo loan finance a second home or investment property?

Many jumbo lenders allow it. Guidelines differ by lender, so we match the property and your plans to the lenders that fit.

Do jumbo loans need more documentation?

Usually. Lenders look closely at income, assets and the property. We tell you up front what your file will need.

  • Buyers and owners of higher-value homes
  • Markets where prices exceed the conforming loan limit
  • Borrowers with strong credit, income and reserves

Jumbo Loans nearby: Rancho Cucamonga, Fontana, Riverside

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in Ontario.

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