There isn't any general public report for a certain "HDB accrued curiosity 90 27." This is probably going an inside reference variety or deal with. Accrued interest is a significant part of HDB flat ownership, especially for entrepreneurs who applied their CPF Common Account (OA) to finance their home. Whenever you provide your HDB flat, it's essential to refund the principal number of CPF utilized for the downpayment, grants, and month-to-month installments, along with the accrued fascination, back into your CPF account. This desire is the quantity your CPF cost savings would've acquired if they had remained in the OA, calculated for the prevailing CPF OA curiosity level here (at this time 2.five% for each annum) and compounded annually. The refund is obligatory, and It is deducted within the income proceeds. You'll be able to check the precise quantity of CPF made use of and accrued curiosity on the CPF Web page's "Residence Possession" dashboard by logging in along with your Singpass.