Catalyst, CalCHA Acquire 2 California Communities for $231M The partnership will convert nearly 600 units into rent-restricted apartments for middle-income households. Apr302021 Image courtesy of Catalyst Housing Group Catalyst Housing Group, in partnership with California Community Housing Agency (CalCHA), has continued its plans to bring more middle-income units to California following the acquisition of two communities. Catalyst acquired Aster in Dublin, Calif., for $163 million and Mira Vista Hills in Antioch, Calif., for $68 million. Jordan Moss, founder of Catalyst, told Multi-Housing News that the company acquired the 92 percent-occupied Aster from Bay West Development and Berkshire Residential Investments, while the 96 percent-occupied Mira Vista Hills was purchased from Reliant Group.