So the general requirement for mortgage documents used on an FHA loan is that they be no more than 120 days old at the time of disbursement. So in most cases, the initial FHA appraisal is valid / good for 120 days. But there are cases where the mortgage lender can extend the initial appraisal.Click to see full answer. Similarly, does an FHA case number expire?HUD will automatically cancel any case number after six (6) months where there has been no activity since the last action in FHA Connection (FHAC). Last action includes: Appraisal information entered.One may also ask, how long are FHA appraisals good for? for 120 days Subsequently, question is, what is FHA case number assignment? First of all, the case number is assigned to a loan through a processed simply called a case number assignment. The case number is requested by an FHA lender through a system called the FHA Connection. FHA Connection creates and stores a record for every single FHA loan.How do I find my previous FHA case number?Click the “Search” button. If you get a result, look in the third column for a number with three digits, a hyphen, then six digits. It should be located directly above the state and ZIP code to which the loan corresponds. That number is your FHA case number.