The applicant, Arlington Partnership for Affordable Housing (APAH), proposes to redevelop the existing Marbella Apartments and construct two new multifamily residential towers with a senior housing component and 100% of the units committed as Affordable Dwelling Units. Phase 1 is a 12-story tower with 325 residential units (with 132 units dedicated to senior housing) and 163 below-grade parking spaces. Phase 2 is a 12-story tower with 236 residential units and 118 below-grade parking spaces.