Castro Valley

Best Japanese Restaurants in Castro Valley

Looking for the best Japanese restaurants in Castro Valley? We've gathered 4 spots serving Japanese food in Castro Valley, ranked by real diner reviews and ratings. Browse photos, check menus, and request a free reservation — all in one place. Updated June 2026.

Unclaimed

Best Japanese Restaurants in Castro Valley

Tancho Japanese Restaurant

Katsu Restaurant

Ramen 101

Koyomi