Mumbai (also known as Bombay, the official name until 1995) is the capital city of the Indian state of Maharashtra. It is the most populous city in India with an estimated city proper population of 12.4 million as of 2011. Along with the neighboring regions of the Mumbai Metropolitan Region, it is the second most populous metropolitan area in India.
| Sr.No. | Designation | Name of the Officer |
| 1 | Collector and District Magistrate | Shri. Sanjay L. Yadav ,(IAS) |
| 2 | Additional Collector | Shri.Ravikant Katkdhond |
| 3 | Resident Deputy Collector | Shri. Jairaj Jagannathrao Karbhari |
| 4 | Superident, City Survey & Land Record | Shri. Dhanajirao Kashinath Dhaygude |
| 5 | Additional District Informatics officer (NIC) | Shri. Vidyadhar Shivaji Shelke |
| 6 | Deputy Collector, GAD | Shri. Ganesh Kamal Dattatraya Sangale |
| 7 | Deputy Collector (NC / Rams) Dharavi | Shri. Jaikrishna Shrirangrao Phad |
| 8 | Deputy Collector, (Enc./Rem.) Colaba | Shri. Prashant Panvelkar |
| 9 | Deputy Collector, Land Acquisition | Shri. Ratndeep Gaikwad |
| 10 | Deputy Collector, Entertainment Tax | – |
| 11 | Deputy Collector, Election | Shri. Shyamsunder Surwase |
| 12 | District Planning Officer | Shri. G B Supekar |
| 13 | Deputy Collector,and competent Authority (NSEL) Mumbai City | Shri.Mahadev Kirawale |
| 14 | Deputy Collector MPID -1 | Smt. Kalpana Jagtap |
| 15 | Deputy Collector MPID -2 | Smt. Sneha Ubale |