Hi... found this information on HDB website
Public Rental Scheme as a family or a single.
Eligibility Criteria
You must be a Singapore Citizen (SC)
You must include at least another SC or a Singapore Permanent Resident (SPR) in your basic family nucleus.
If widowed/ divorced*, you and your children under your legal custody (care and control)
*If the care and control of your children under the age of 21 is shared with your ex-spouse, you must obtain his/her written agreement before you can list your children in a flat application.
If you face difficulties in obtaining the agreement or have a question for us, please send us an email at hdbrental@mailbox.hdb.gov.sg
Danisha Diana