California Conforming Loan Limits how much is a conforming loan Can you refinance a jumbo loan? You can refinance jumbo loans in much the same way you can refinance a conforming loan. Like other types of mortgage rates, jumbo loan refinance rates can fluctuate.Jumbo Loan Vs Conventional · Remember, so far we’re talking about conventional loan amounts, not jumbo VA loan rates. Jumbo VA loan rates are treated a bit differently and it’s all in your favor. Jumbo VA Loan Rates. The maximum VA loan that a VA lender will approve with no money down is $417,000 or up to $625,500 in high cost areas.mortgage and real estate industry groups and lawmakers have bristled at an announcement from acting FHFA Director Edward DeMarco that he intended to lower the so-called conforming loan limit in August.