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Ontario's $1.3M+ market has grown steadily as buyers seek space and affordability relative to coastal California. At 6.375%, a $1.1M jumbo loan on a $1.375M purchase carries a $6,863 monthly payment for principal and interest alone.
San Bernardino County's median household income of $82,184 means jumbo buyers in Ontario are typically moving from smaller properties or relocating from higher-cost areas.
6.375%
Interest Rate
$6,863
Monthly P&I
740+
FICO Minimum
20% ($275K)
Down Payment
35-50 days
Closing Timeline
Jumbo Loans in Ontario
Jumbo loans in Ontario demand 740+ FICO, 20% down minimum, and proof of reserves covering 6-12 months of payments. At $1.1M, that's roughly $41K-$82K in liquid reserves after closing.
A $1.375M purchase on San Bernardino County's $82,184 median income requires a buyer earning roughly $180K+ annually to hit standard debt-to-income limits. Self-employed borrowers face tighter scrutiny; W-2 earners move faster.
Local decision guide
Use this guide to connect jumbo loans eligibility, lender expectations, and local market factors before comparing payment options in Ontario.
Ontario's $1.3M+ market has grown steadily as buyers seek space and affordability relative to coastal California. At 6.375%, a $1.1M jumbo loan on a $1.375M purchase carries a $6,863 monthly payment for principal and interest alone.
San Bernardino County's median household income of $82,184 means jumbo buyers in Ontario are typically moving from smaller properties or relocating from higher-cost areas.
Jumbo loans in Ontario demand 740+ FICO, 20% down minimum, and proof of reserves covering 6-12 months of payments. At $1.1M, that's roughly $41K-$82K in liquid reserves after closing.
Jumbo lending in California has tightened since 2023. Retail banks (Wells Fargo, Chase) and portfolio lenders compete here, but rates vary by lender appetite and reserve requirements.
Closing timelines run 35-50 days for jumbos, longer than conforming because underwriting is manual and appraisals take time. Loan officers verify employment by phone, not just documents. If you're self-employed or have complex income, budget 45-50 days.
Jumbo loans make sense in Ontario when you're buying $1.2M+ and have 20% down and strong reserves. Below $1.1M, conventional conforming loans (capped at $832,750) plus a second mortgage often cost less in rate and fees.
The real advantage: a single 30-year fixed rate at 6.375% beats stacking a conforming loan plus a piggyback second. One payment, one servicer, no rate shock on the second mortgage.
A conforming loan plus a 15% second mortgage on a $1.375M purchase splits the risk but creates two payments and two interest rates. The conforming portion runs lower, but the second mortgage carries a higher rate.
Jumbo's advantage is simplicity: one rate, one payment, one lender. The tradeoff is tighter reserves and underwriting. If you have clean income and six months of reserves, jumbo wins.
Ontario's location at the I-10 and I-15 junction makes it a logistics hub—Amazon, UPS, and DHL have major facilities here. That infrastructure supports long-term job stability and property values for buyers planning to stay.
The city's proximity to Ontario International Airport (ONT) and the Inland Empire's industrial corridor means buyer profiles skew toward professionals with stable, documented income. That's exactly what jumbo lenders want to see.
On a $1.1M loan at 6.375% APR, principal and interest run $6,863 per month. Add property taxes, insurance, and HOA fees—total housing payment typically lands $8,200-$9,100. That's the baseline before utilities and maintenance.
Yes. Jumbo lenders require 20% down minimum. On a $1.375M purchase, that's $275K. Some portfolio lenders go 15% down, but rates jump 0.25-0.5% and reserves must be 12+ months. 20% down is the standard path.
Jumbo closings run 35-50 days. Manual underwriting and appraisal verification take time. If you're W-2 employed with clean credit and two years of tax returns ready, expect 40 days. Self-employed borrowers add 5-10 days.
740+ FICO is the floor. Most lenders won't touch 720-739. If you're at 740-759, rates may run 0.125% higher. Above 760, you get the best pricing. Late payments or collections in the last two years will disqualify you regardless of current score.
Yes, but underwriting is stricter. You'll need two years of tax returns, profit-and-loss statements, and bank statements showing consistent income. Lenders verify income directly with your accountant.