Serious Pizza appears to maintain a strong reputation among its customers for offering large, New York-style pizza slices, with generally positive experiences reported regarding food quality. The ambiance of the restaurant contributes to its appeal, with a cool vibe and music enhancing the dining experience for many visitors. Customer service has been identified as both knowledgeable and friendly, aiding in the establishment's positive reception. Nonetheless, some reviews indicate issues with cleanliness, both of the dining area and restrooms, as well as some operational challenges such as errors with the ordering system and insufficient staff training that could affect customer satisfaction. A concern about food portions and a lack of consistency in topping distribution have also been noted. The long wait times, particularly during peak hours, might inconvenience patrons, though some find the food worth the wait.