Etymology and distribution of 宅.

Taku 【宅】^{レベル3
About 140}  The Japanese surnames etymology dictionary.

Toukyou-to , Shizuoka-ken , Hokkaidou .

① variant of 常盤 .

② Yamanashi-ken Minamikoma-gun Minobu-chou Birthplace of Chiba. A place name with a record since the Edo period.

③ Fukushima-ken Tamura-shi Changba town originated in Tokoname. Place name with a record since the North / South morning era. The place name was also written as "Tokiwa".