"Either high-rise or single-family sprawl" is a false dichotomy. Even OP allows for up to 15 stories. If you want to learn more about the "missing middle" kinds

"Either high-rise or single-family sprawl" is a false dichotomy. Even OP allows for up to 15 stories. If you want to learn more about the "missing middle" kinds of housing that would serve most people best, I suggest browsing around here: https://missingmiddlehousing.com https://missingmiddlehousing.com