3-stack parking is a stack parking system where three cars are parked vertically in one parking space. This stack car parking system is best for apartments, offices, malls, hospitals, and commercial buildings with limited parking areas. A car park stacking system uses motorised or hydraulic platforms to lift cars safely. The stack parking system cost depends on size, car capacity, automation, material quality, and installation site. Today, the stack parking system's demand in India is growing because it saves space and gives clean, organised parking. Conclusion 3-stack parking is a smart and space-saving solution for parking more cars in less land area.