I went to a meeting of the Yorkshire Woods Neighborhood Association even though I live just outside their boundary. They were very helpful and put me in contact with the proper City workers. The next Meeting is this month, I think.

YW Assoc. Website: https://www.eco-d.org/yorkshire-woods

Block Club Programs: https://detroitmi.gov/departments/department-neighborhoods/block-club-program/how-get-started