各戸 is read as かっこ (kakko) and means every house.
かっこ
kakko
おのおの
each
かっこく
each country
かくじ
each (person)
かくい
everyone
かくち
every place
かく
かくしゅ
every kind
かくしゅがっこう
miscellaneous school
かくめん
all phases
かくいちぶ
one copy each
かっこくかん
among countries
かくじん
each person