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in Los Altos, CA
Los Altos is one of the most expensive zip codes in California. Most buyers here are choosing between a conventional loan and a jumbo loan.
The line between them is the conforming loan limit. Cross it, and you're in jumbo territory — with different rules, different rates, and a tougher approval process.
Conventional loans stay within FHFA conforming limits. In Santa Clara County, that limit sits at $1,249,125 for 2026.
These loans are sold to Fannie Mae or Freddie Mac after closing. That secondary market demand keeps rates competitive and guidelines predictable.
Jumbo loans cover anything above the conforming limit. In Los Altos, that's most of the market — prices routinely push $2M to $4M and beyond.
Lenders hold jumbo loans on their own books. They set their own rules. Expect higher credit standards, larger reserves, and bigger down payment requirements.
The biggest difference is who takes the risk. Conventional loans get backed by Fannie or Freddie. Jumbo loans stay with the lender — so they price that risk into the rate and guidelines.
HousingWire flagged the 30-year fixed hitting 6.57% and a 10.4% drop in applications week-over-week. In the jumbo space, rate sensitivity hits harder — higher balances mean any rate move has bigger dollar impact. Rates vary by borrower profile and market conditions.
Jumbo underwriting also digs deeper. Expect full asset verification, multiple years of tax returns, and scrutiny of self-employment income if it applies.
If your loan amount is at or below $1,249,125, conventional wins. Lower reserve requirements, more predictable approval, and broad lender competition.
If you need more than the conforming limit — which is most Los Altos buyers — you need a jumbo loan. Strong credit, solid reserves, and documented income matter most.
Some buyers split the financing: a conventional first mortgage at the conforming limit plus a second loan to cover the gap. That piggyback structure can reduce jumbo exposure and sometimes lowers total cost.
The 2026 limit is $1,249,125. Loans above that amount require jumbo financing.
Not always. Jumbo rates depend on the lender and borrower profile. Rates vary by borrower profile and market conditions.
Most jumbo lenders want at least 10-20% down. Higher down payments usually unlock better rates.
Yes. A first mortgage at the conforming limit plus a second loan can reduce or eliminate jumbo exposure.
Most lenders require 700 or higher. Some go to 720+ for the best jumbo pricing.
Expect 12 months of reserves to be standard. Some lenders require more on larger loan amounts.