Koi-san is a sushirestaurant business in Orange, CA. Operator tracks its health score, reviews, market position, and public contact details.
Operator computes a Health score every night at 2 am HST. It's the one number that tells you if this shop is winning, losing, or steady. Here's how Koi-san broke down on Apr 30, 2026.
Koi-san is indexed in Operator's Sushirestaurant market index for Orange, CA.
Operator has not indexed public photos for Koi-san yet.
Reviews pulled nightly from Google, Yelp, and Meta. Aggregate weighted by recency and source authority.
The Sushirestaurant shops Koi-san competes with most often, ranked by Operator's health score. Tap any row for that shop's full page.
The questions people ask before they call.