Aliso Smog Check offers great customer service with a friendly and efficient approach. The shop is clean, located in a nice outdoor mall, and has a nice waiting area. Customers appreciate the quick and easy smog certification process, often completed in 10-15 minutes. The process was quick and easy, with prices that are reasonable and lower than several other places. As a certified star station, it is a reliable choice for smog checks, including pre 1996 vehicles. Many customers have been returning for years, highlighting the professionalism and competence of the business. Overall, Aliso Smog Check is highly recommended for its terrific service.