How many HDB resale flats were registered in Yishun in September 2017?

September 2017.

101Registrations recorded

Ledger rows whose subject key names this town (keys from sg:hdb:YISHUN|), whose attribute is resale_price_sgd, and whose observed month is 2017-09. Each registration seals one such row, so this counts registrations, not re-reads.

Against the last month

2542017-08

1012017-09

A difference of -153 against 2017-08. Both figures come from the same read, asked of each window.

The newest receipt

Receipt	Subject	Observed	Fetched
ff578bd4dbc6751a66c28256c53dbfc4a48906f2ccd4d13911ef40aa6000f0f9	sg:hdb:YISHUN\|858\|YISHUN AVE 4\|5 ROOM\|07 TO 09\|Improved	2017-09-01T00:00:00.000Z	2026-09-19T14:02:04.304Z

The day root

The newest receipt was written on 2026-09-19, and that day's root holds it.

Field	Value
Root	60fda9fa6029c6ec8a127eda06b1d0a25c173a5484468547f080f88cf7fee24d
State	confirmed 2026-09-27T02:01:23.255Z at block 968,622

This root is held outside the estate. Recompute it from the day's receipts and compare, then check the recorded block.

Where it was read

From the newest 20 rows in this window.

Read from	Observed, the fact's own clock	Fetched, when the estate looked
data.gov.sg	2017-09-01T00:00:00.000Z	2026-09-19T14:02:04.304Z

How the record is kept