Affordable housing based on total annual household income. Tierra Realty. Pick up applications at the office during office hours. Tax credit property. Depending on the type of unit, total household annual income cannot exceed a certain amount. Those interested must submit an application and first qualify to be eligible. Need to fill out the Ochenta application to apply for Ochenta affordable housing. Drop off at the office or in the dropbox. There is typically a long waiting list (3-6 months).