In Tsuji/Tori front areas, the remains of some constructions have been discovered including an all-pillared building measuring 3.6 meters x 5.45 meters spanning in south-north orientation along with a line of a fence extending in east-west orientation; in Ota Minamitobizuka area, a sign of collapsed building was discovered; in Makinouchi Ietsura area, a small building measuring 1.8 meters x 1.8 meters, and another all-pillared building measuring 3.6 meters x 3.6 meters have been discovered.
辻・トリイ前地区でほぼ南北に2×3間の掘立柱建物とその南に東西に並ぶ柵列が、太田南飛塚地区で家屋倒壊遺構が、巻野内家ツラ地区で1×1間の小家屋と2×2間の総柱の建物が検出されている。