A plan to build one of Cupertino’s first 100 percent affordable housing projects, designed to support some of the community’s most vulnerable residents, has stirred opposition from neighbors concerned about safety and parking. The proposed project, located along Mary Avenue, aims to create 40 affordable homes on a 0.79-acre site. Out of these, 19 homes would be reserved for adults and families with children who have intellectual and developmental disabilities, while 20 u