In CT the landlord must:provide a clean apartment when the tenant moves in; clean common areas (hallways, stairs, yards, entryways); keep hallways and entryways lighted well; and, keep plumbing and heating systems working (both hot and cold running water).correctly repaired and safe stairways, porches, floors, ceilings and walls; good locks on the doors to the apartment; safe fire exits from the building; two electrical outlets in each room; viewing devices on doors that open onto a hallway (in some communities); extermination service if the apartment is infested with pests or rodents; and a smoke detector that is in working order.

You don't need termite treatment if you don't have an active infestation.

None of them see any sign of active infestation but they all suggest me to do a full treatment no matter what.

None of them see any sign of active infestation but they all suggest me to do a full treatment no matter what.

Intrinsically, there's value to turning an old, dingy, rodent-infested, unfinished dirt-catch into a clean, well-lit, nicely finished space complete with a stainless workbench with sink / drain, cabinet enclosed, stacked washer/dryer, matching cabinets around a large gun safe and the water heater.  

You need to be sure the other unit isn't also infested.

But major issues with plumbing, electrical, missing walls, methlab, massive termite infestation, etc. will. 

Even looking through windows, when that can be done, says nothing about the floor that is uneven and totally termite infested. 

There was a hole in our bathroom wall where wecould see the neighbors bathroom, spiders were crawling all over theplace, and last but not least, the place was infested withcockroaches.

At the same time, there is a termite infestation.