noun
housing expenses; household expenses; residence expenses
Refers to costs related to housing, such as rent, mortgage, utilities, and maintenance. Often used in budgeting or financial contexts.
住居費が家計の大きな割合を占めている。
Housing expenses account for a large portion of the household budget.
毎月の住居費はいくらですか。
How much are your monthly housing expenses?
家賃 means rent specifically, whereas 住居費 includes rent plus other housing-related expenses like utilities or maintenance.
Compound of 住居 (じゅうきょ, 'dwelling') and 費 (ひ, 'expense').