Radio Frequency IDentification (RFID) technology is very useful technology in automation of vehicle parking system in mall/building. One of the challenging problems for many vehicle owners in big cities is where to park their vehicles. If the parking slot is known in advance one can save precious time and fuel wastage. In the authors' proposed system, the user is informed about the parking slot availability at a particular parking location. The slot availability details are collected using an RFID system and are updated periodically into the database.