There's no general public record for a selected "HDB accrued fascination 90 27." This is likely an internal reference number or handle. Accrued fascination can be a vital element of HDB flat possession, specifically for homeowners who employed their CPF Normal Account (OA) to finance their property. After you offer your HDB flat, you will need to refund the principal number of CPF utilized for the downpayment, grants, and month-to-month installments, together with the accrued fascination, back again into your CPF account. This interest is the quantity your CPF cost savings would have gained if they'd remained with your OA, calculated in the prevailing CPF OA desire fee (presently two.5% for every annum) and compounded annually. The refund is mandatory, and It is really deducted through the revenue proceeds. You could Test the more info exact degree of CPF employed and accrued interest to the CPF Web site's "Dwelling Ownership" dashboard by logging in with your Singpass.