I suspect the owner had an incentive to put one in. Maybe he gets a tax right off, or wants one to charge his own car, or just wants to keep the troops happy. Can you quick charge it at the office or is it standard charging?
The “incentive” was that the property owner wants to lease office space, and putting in a charger provides customers one more attractive benefit. (My company alone, 30 people, has 5 EV drivers. There’s at about a dozen EVs in the parking lot for two 7-story office buildings.)
It will charge a Leaf in 4 hours, an upper-mid-range charger. Has 2 plugs, with plans to install 2 more soon.