2828 16th Street provides 143 affordable homes for low-income families, including 36 homes for public housing residents Mayor London N. Breed joined Speaker Nancy Pelosi and community leaders on May 5 to celebrate the grand opening of Casa Adelante — 2828 16th St., a 143-unit, 100% affordable housing development in the Mission District. Formerly known as | 2828 16th Street provides 143 affordable homes for low-income families, including 36 homes for public housing residents Mayor London N. Breed joined Speaker Nancy Pelosi and community leaders on May 5 to celebrate the grand opening of Casa Adelante — 2828 16th St., a 143-unit, 100% affordable housing development in the Mission District. Formerly known as