Jumbo Loan Calculator

See exactly how much more a jumbo mortgage costs versus a conforming loan — monthly and over the full term — so you can weigh a larger down payment or different property against the rate penalty.

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How Jumbo Loans Work

A jumbo loan is any mortgage that exceeds the conforming loan limit set annually by the Federal Housing Finance Agency (FHFA). Conforming loans can be sold to Fannie Mae and Freddie Mac, which gives lenders guaranteed liquidity. Jumbo loans exceed that limit, so lenders hold them in their own portfolios — and charge a higher rate to compensate for the added risk and illiquidity.

The baseline conforming limit for a single-family home is $832,750 for 2026. High-cost counties (many in California, New York, Hawaii, and the Denver metro) have higher limits, up to 150% of the baseline. Check the FHFA website for the exact limit in your county before assuming you need a jumbo.

2026 Conforming Loan Limits by Area Type

Area 1-Unit Limit (2026) Examples
Standard counties$832,750Most of the US
High-cost counties (150% limit)Up to $1,249,125Los Angeles, NYC, San Francisco Bay Area, Honolulu
Alaska & Hawaii (special limit)Up to $1,249,125Applies statewide

Limits shown are the 2026 FHFA baseline and ceiling; FHFA sets new limits each November. Verify your county's limit at fhfa.gov.

Jumbo Loan Qualification Requirements

Requirement Conforming Jumbo
Minimum credit score620700–720 (best rates: 760+)
Minimum down payment3% (with PMI)10–20%
Cash reserves2–6 months6–18 months
Max DTI ratio50%43–45%
Appraisal1 appraisalOften 2 appraisals for very large loans

Strategies to Avoid a Jumbo Loan

If you're close to the conforming limit, a few strategies can keep you in conforming territory and save tens of thousands in interest:

  • Larger down payment: If the purchase price is $950,000 and the limit is $832,750, you need at least $117,250 down. Calculate whether the interest savings justify putting down more.
  • 80/10/10 or 80/15/5 piggyback: A first mortgage at the conforming limit plus a smaller second mortgage (home equity loan or HELOC). Each loan is conforming-sized, avoiding the jumbo rate on the full balance.
  • Negotiate the purchase price: In negotiable markets, a slight price reduction can keep financing at conforming rates — with enormous long-term savings.
  • High-cost county limits: Check whether your county has a higher conforming limit before assuming you need a jumbo. Many buyers in coastal metros have higher limits and don't need one.
The piggyback strategy can save thousands. On a $950,000 purchase with 10% down ($855,000 loan), the $22,250 above the conforming limit triggers jumbo pricing on the whole loan. A piggyback structure — an $832,750 conforming first mortgage at the lower rate plus a $22,250 HELOC — keeps the bulk of the loan at conforming rates. At a 0.375% rate spread (6.875% vs 7.25%), keeping $832,750 at the conforming rate saves about $75,700 in interest over 30 years.

If you're evaluating large home purchases and already have equity, the home equity loan vs HELOC guide covers piggyback strategies in depth. And if you've been paying PMI on an earlier mortgage, the PMI removal guide walks through how to cancel it once you hit 20% equity — freeing up cash that can go toward a larger down payment on your next purchase.

Frequently Asked Questions

What is a jumbo loan?

A jumbo loan is a mortgage that exceeds the conforming loan limit set by the FHFA. Because these loans cannot be purchased by Fannie Mae or Freddie Mac, lenders hold them in their own portfolios and charge higher rates, require larger down payments, and impose stricter qualification requirements.

What is the 2026 conforming loan limit?

The baseline is $832,750 for most counties in 2026, up from $806,500 in 2025. The FHFA sets new limits each November based on home price changes. High-cost counties can have limits up to 150% of the baseline ($1,249,125 in 2026). Verify your county's limit at fhfa.gov — you may not need a jumbo loan even in expensive markets.

How much higher are jumbo loan rates?

Typically 0.25%–0.75% higher than conforming rates for the same term. The spread narrows for very well-qualified borrowers — high credit scores, large down payments, and substantial reserves. Some portfolio lenders and banks price jumbo loans very competitively in pursuit of high-net-worth customers.

Can I avoid a jumbo loan with a piggyback mortgage?

Yes. A piggyback structure uses a conforming first mortgage (at the limit) plus a smaller HELOC or home equity loan. This keeps the first mortgage conforming-sized — getting you the lower rate on the bulk of the loan. The combined monthly payment is often close to the jumbo payment, but the total interest over 30 years is significantly lower.

Are jumbo loans available in all states?

Yes. Jumbo loans are available nationwide — banks, credit unions, and mortgage lenders all offer them. However, availability and rates vary significantly by lender. Some banks actively pursue jumbo business; others price it conservatively. Shopping at least 3–5 lenders for jumbo quotes is especially important because rate spreads vary more than in the conforming market.

What is a super-jumbo loan?

Super-jumbo generally refers to loans above $1.5 million, though there's no official definition. Super-jumbo loans typically have even stricter requirements: often 30%+ down, 780+ credit, significant liquid reserves, and detailed income documentation. Rates may be further above conforming, and these loans are primarily offered by private banks and wealth management divisions.

Sources & method

This calculator implements the standard amortization formula, with the cost components the CFPB documents for US mortgages.
Source: CFPB — Buying a house (verified 4 September 2026)
Loan limits: FHFA — 2026 conforming loan limits (verified 28 September 2026)

Not financial or tax advice. This is an educational estimator. It does not know your full situation, and tax rules change. Akshaya Panda, who builds and verifies these tools, is an engineer — not a financial adviser, accountant, or tax professional. Before acting on a result that matters, check it with someone licensed to advise you.