The Cityzen has 9 floors and 3 garage floors underground. The building offers offices of various sizes satisfying different needs of prospect tenants. Because this flexibility of the CityZen, it is able to host and secure real estate infrastructure for tenants from 300 up to 9,000 sqm. The premises can be easily approached with 4 elevators. In cases of special demands, the premises can be entered directly by the elevators.

Due to the modern technical implementations of the office complex, highly efficient BMS and HVAC, life safety systems (e.g.: fire and smoke detector), openable windows, suspended ceiling and raised floor serve the comfort and the security of the Lessees. There are 24/7 reception and security for the tenants and their guests, on-site maintenance service is also available in business hours.

Duna Office Center internal leased areas can be fitted out on high efficient way because of the flexible and effective layout of the floors. In a dynamically growing business area, with great facilities and location as well as the high security services, the DOC is in the most cost-efficient office buildings in the XIII. district.

The building was renovated in 2016.