each house; every house; many houses
Refers to houses individually or collectively; can mean 'each house' in a distributive sense or 'many houses' when emphasizing a large number. Often used in descriptions of neighborhoods or villages.
The houses in this village all have tiled roofs.
台風で家々が大きな被害を受けた。
Many houses suffered severe damage from the typhoon.
Alternate spelling without the repetition mark; less common but still seen.
Reduplication of 家 (いえ, 'house') to express plurality or distribution. The repetition mark 々 is commonly used in the standard spelling 家々.