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Open data used on Estate.sg

Parts of this site are built from datasets the Singapore Government publishes on data.gov.sg. This page names each one, what we do with it and how current it is. Where a page shows a figure from one of them, the page says which and as at when.

MCST register

  • PublisherBuilding and Construction Authority (BCA)
  • Datasetdata.gov.sg/datasets/d_f988c57e16e99ad3a649aa04572efd1c/view
  • Used forManagement corporation number and UEN, development address, management office unit and telephone, managing agent.
  • RefreshedDownloaded nightly; the register itself changes a few times a month.
  • Shown onBuilding pages and the directory record.

Register of entities (ACRA)

  • PublisherAccounting and Corporate Regulatory Authority (ACRA)
  • Datasetdata.gov.sg/datasets/d_3f960c10fed6145404ca7b821f263b87/view
  • Used forLive entities whose registered address is a building in the directory — name, entity type, unit. A registered address is where a company receives official mail, not necessarily where it trades.
  • RefreshedRegister published monthly; matched to buildings after each release.
  • Shown onCompanies pages (/companies-…) and the directory record.

HDB carpark information

HDB carpark availability

  • PublisherHousing & Development Board, via the data.gov.sg real-time API
  • Datasetdata.gov.sg/datasets/d_ca933a644e55d34fe21f28b8052fac63/view
  • Used forLots free right now at each HDB carpark. Never stored; fetched live and cached for one minute.
  • RefreshedEvery minute, live.
  • Shown onCarparks page and the directory record.

OneMap

  • PublisherSingapore Land Authority (SLA)
  • Datasetwww.onemap.gov.sg/
  • Used forCoordinates for a postal code (WGS84 and the SVY21 grid), used to measure distances.
  • RefreshedLooked up once per building.
  • Shown onCarparks page and the directory record.
  • TermsOneMap terms of use

Licence and attribution

The BCA, ACRA and HDB datasets above are made available under the Singapore Open Data Licence version 1.0. In the form the licence asks for:

Contains information from the MCST register (BCA), the register of entities (ACRA), and HDB carpark information and availability, accessed from data.gov.sg and made available under the terms of the Singapore Open Data Licence version 1.0. Last accessed 20 September 2026.

OneMap is © Singapore Land Authority and used under its terms of use.

Estate.sg is not affiliated with any of these agencies. Figures are reproduced as published; where a dataset and the building's own records disagree, the page shows both. Corrections to a government record must be made with the agency that publishes it.