Conventional loans are Fannie Mae and Freddie Mac mortgage loans offered by government sponsored lenders. These loan types include Fixed Rate Loans and Adjustable Rate Loans (ARMs) for 1-4 unit properties. The standard maximum loan amount for a conventional loan is $417,000 for a single family home unless you are in a high cost area. In high cost areas loan amounts may increase up to $625,000 for a single family.
Please see the link below for more information and conforming loan limits in Massachusetts by county: