Counterpoint in Seattle - We talk to our neighbors regularly and are good friends with a few. Having kids helps.

No doubt there are many counter-points. My Godfather lives 4 miles from me and lives in a community where 3-4 of his neighbours have his house keys, take care of each other’s kids, dogs when out of town… I just don’t think - in general - that there is a statistically significant correlation between home ownership and living in a community like OP and you are describing