How much is a flat at Blk 209 Yishun St 21 worth?

5 Room: $655,000 median (3 sales in the last 12 months). 4 Room: $503,444 median (2 recorded sales, none in the last 12 months). Medians are quoted per flat type, because a 3-room and a 5-room at the same block are different markets.

What flat types are available at Blk 209 Yishun St 21?

Blk 209 Yishun St 21 has 4 Room, 5 Room flats across 88 units. The lease started in 1985 and has about 58 years left of its 99.

What was the most recent sale at Blk 209 Yishun St 21?

A 5 Room flat, storeys 07 to 09 sold for $655,000 in Sep 2026.

What is the price per square foot at Blk 209 Yishun St 21?

5 Room flats have a median of $503 psf, based on 3 sales in the last 12 months.

How often do flats come up for sale at Blk 209 Yishun St 21?

3 flats changed hands in the last 12 months, about 3.4% of the 88 units in the block. 11 sales are recorded here since Jun 2021.

Blk 209 Yishun St 21

Yishun7602094 ROOM5 ROOMLease balance: 58 yrs (from 1985)

3 sales in the last 12 months · ~3.4% of 88 units

Sales, last 12 months

11 recorded since Jun 2021

Median price

$655K

5 Room · 3 sales · last 12 months

Median PSF

$503

5 Room · 3 sales · last 12 months

Price range

$600K – $670K

5 Room · 3 sales · last 12 months

Latest sale

$655,000

Sep 2026 · 5 Room · #07-09

Can you use CPF for this flat?

58 years left on the 99, from 1985.

Short by 2 years. CPF capped at 97% of the price, loan at 75%.

Youngest buyer's age35

Price$655K

CPF OA balance$150K

CPF you can use

capped at 97% of the price (58 years of lease over the 60 you need)

$131,000

Maximum bank loan

75% of the price, over 25 years

$491,250

Cash you need

at least $32,750 of any purchase must be cash

$32,750

Monthly instalment

25 years at 3.5%

$2,459

CPF 20% Loan 75% Cash 5%

Indicative. Excludes stamp duty, legal fees and CPF accrued interest. Confirm with HDB and your banker. Rules as at 2026-09-17.

Market Insights

Supply

4 units

4 agent listings

Asking vs sold

+2.1%

$669K ask · $655K sold

5 Room · 3 sold, 4 asking

Price trend

+3.1%

6 months, 1 sale

Turnover

3.4%

3 of 88 units, 12 months

What is my flat worth here?

Resale Price Trend

One flat type at a time, so a single larger sale cannot look like a price jump

Median price per month, 5 Room only, 9 sales

Check your valuation today

Recent Resale Transactions

11 recorded · 3 in the last 12 months • Page 1 of 1

Date	Flat Type	Storey	Area	Price	PSF
2026-09	5 ROOM	07 TO 09	1,302 sqft	$655,000	$503
2026-02	5 ROOM	07 TO 09	1,302 sqft	$670,000	$514
2026-01	5 ROOM	07 TO 09	1,302 sqft	$600,000	$461
2024-08	4 ROOM	10 TO 12	1,055 sqft	$568,888	$539
2024-02	5 ROOM	01 TO 03	1,302 sqft	$612,000	$470
2022-11	5 ROOM	10 TO 12	1,302 sqft	$588,000	$451
2022-11	5 ROOM	10 TO 12	1,324 sqft	$620,000	$468
2022-09	5 ROOM	07 TO 09	1,302 sqft	$550,000	$422
2021-08	5 ROOM	01 TO 03	1,302 sqft	$545,000	$418
2021-06	4 ROOM	04 TO 06	1,055 sqft	$438,000	$415
2021-06	5 ROOM	10 TO 12	1,346 sqft	$540,000	$401