| General Enquiry | |
| Address: | Development Division, Survey and Mapping Office, |
| Lands Department, The Hong Kong Special Administrative Region | |
| 25/F, Tsuen Wan Government Offices, | |
| 38 Sai Lau Kok Road, Tsuen Wan, N.T. (Attn: Land Surveyor /SDMS) | |
| Telephone No.: | (852) 3749 9695 |
| Fax No.: | (852) 3741 2601 |
| Email: | lssdms@landsd.gov.hk |
| Technical Support Help Desk | |
| Telephone No.: | (852) 3749 9684 |
| Fax No.: | (852) 3741 2601 |
| Email: | stosdms1@landsd.gov.hk |