Questions & Answers about Ta kamienica jest stara, ale jej domofon działa dobrze.
Kamienica usually means a traditional multi-storey town building, often an older urban apartment building or tenement house. It is more specific than building in general.
So depending on context, English translations might be:
- tenement house
- apartment building
- old townhouse
- sometimes just building
In this sentence, it suggests an older residential building.