What does “Laundry in bldg” mean?

Does that mean that in its a different building and not in the apartment?

Laundry in building.

Bldg Meaning

Washing machines and dryers In the Building. Probably in the basᴇмᴇɴt or ground floor.

It means to run the money through a third party so it’s hard to trace; for instance, selling the money at a discount to a crook, who then puts it back in circulation.