There isn't a public record for a selected "HDB accrued fascination 90 27." This is likely an interior reference variety or deal with. Accrued interest is usually a important part of HDB flat ownership, specifically for homeowners who employed their CPF Ordinary Account (OA) to finance their assets. Any time you market your HDB flat, you need to refund the principal amount of CPF useful for the downpayment, grants, and regular monthly installments, along with the accrued desire, back again into your CPF account. more info This interest is the quantity your CPF personal savings would have gained if they had remained in your OA, calculated for the prevailing CPF OA curiosity level (at the moment 2.five% per annum) and compounded annually. The refund is necessary, and it's deducted with the product sales proceeds. You can Test the exact degree of CPF utilised and accrued interest to the CPF Web site's "Dwelling Ownership" dashboard by logging in with your Singpass.