Assumption of Loan Requirement Letter for disaster loan servicing action request packages. About this document and download.Sacramento Loan Processing Center (Sacramento, CA) The center evaluates and issues guarantee commitments to 504 loan applications. All lenders and CDCs should be cognizant of the loan program requirements for the assumption, assignment, and sale of SBA loans. What Is Required to Assume an SBA 504 Loan? The truth is buyers are starving to afford the market, and assuming a seller's loan is going to help a small sliver of buyers out there. Are SBA 7(a) Loans Assumable? Fortunately for borrowers, SBA loans, including the SBA 7(a) loan , are fully assumable with SBA approval. Our office provides help with SBA services including funding programs, counseling, federal contracting certifications, and disaster recovery. Assumable loans are basically eye candy in real estate because they're so rare, but they're actually starting to happen more.