HA ARAB has not joined the Bob.ai platform. You may want to invite them to join. Here is the list of housing authorities and properties you can apply to.
You cannot unselect a property
HA ARAB accepts Public Housing pre-applications at the program level and does not allow applicants to deselect any property. Your family’s needs will be considered in making the invitations to apply. If you decline two invitations your application will be purged from the waitlist.