Denny's is a popular restaurant located in Hayward, CA, serving classic American comfort food and a welcoming atmosphere for diners.
Operator computes a Health score every night at 2 am HST. It is the one number that tells you if this shop is winning, losing, or steady. Here is how Denny's broke down on Apr 30, 2026.
Operator ranks every restaurant in Hayward every night at 2 am HST using reviews, response rate, and local market share.
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