Photo: GoogleGrandma Bob's Pizza2135 Michigan Ave, Detroit, MI 48216, USANew3 more verdictsfor a scoreBeen to Grandma Bob's Pizza?Not my sliceHaven't beenWant to tryLoved itReviews Add photoSign in to reviewLoading reviews…Own Grandma Bob's Pizza?Claim it free: get verified, add your details, and get a QR poster that brings in verdicts. DirectionsSign in to rate