I'm no fan of CALEA, but as I understand it, even CALEA has threshholds for required emplementation. Specifically number of users and type of service. I think this guy is too far below the radar to get forced into CALEA requirements, however that depends on how many people is "large wifi network for a nine building apartment complex". Technically speaking.
https://freedom-to-tinker.com/blog/felten/calea-ii-risks-of-wiretap-modifications-to-endpoints/
Another problem I have with logging, especially copious logging is that if a logging system is compromised, now the privacy of everyone included in the logs has been compromised.
CALEA compliant systems have been "hijacked" by criminals to invade the privacy of people and even to commit financial crimes.