区分 くぶん所有 しょゆう建物 たてものでしょう
kubunshoyūtate monodeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 区分所有建物

1. Probably a condominium.; Possibly a jointly-owned building.

Polite
Presumptive
Conjecture