Enquiry on request for deposit for flat 505 lilar

i rented a flat from city property in January 2014 to December 2014, i paid a deposit for the flat and i was told i would get it back when i check out provided there are no damages. on the 13 December 2014 i served a notice that i am moving out and the building manager inspected the flat before i left. on the 05th January 2015 i called the call centre to enquire about the deposit i was told it takes 6 weeks to be released, after four weeks i called the call centre again i could not get through the line takes you to voice massage to say leave your details an agent will revert back to you ive been trying to call up untill now still no luck to speak to an agent and they never return my call, i need my deposit please help im not happy with the service. flat no 505 lilaron building pretoria