509 Serangoon Nth Ave 4

HDB · Serangoon · built 199770 yrs left

HDB block in Serangoon · lease from 1997 · 70 years of lease left at its latest sale, in January 2026

In the 12 months to October 2026, 2 flats here were resold. 4-room flats went for a median of $635,000 ($584 per ft²).

4-room$635,0002 sold · $610,000 to $660,000$584 per ft² · 101 m²

4-room price per ft², by year

$300$400$500$600$70020172018201920202021202220232024202520262017: $3452018: $3562019: $3682020: $3462022: $4742023: $4742024: $5522025: $5732026: $607$607$300$400$500$600$700’17’18’19’20’21’22’23’24’25’262017: $3452018: $3562019: $3682020: $3462022: $4742023: $4742024: $5522025: $5732026: $607$607

Median of each year's 4-room resales. No 4-room flat here was resold in 2021, so the line breaks. 2026 is January to October.

Which floors sold

Floors4-room5-room
7–9$647K1·
4–6$610K3$690K1
1–3$623K1·

Median resale price by floor and flat type over the three years to October 2026. The small number is how many sold. Darker means dearer within the same flat type.

Latest sales

MonthFlat typeFloorsSizePricePer ft²
Jan 2026Jan ’264-room4–6101 m²$660,000$607
Nov 2025Nov ’254-room4–6101 m²$610,000$561
Jul 2025Jul ’254-room1–3101 m²$623,000$573
Jun 2025Jun ’254-room7–9102 m²$646,888$589
Apr 2024Apr ’245-room4–6120 m²$690,000$534
Apr 2024Apr ’244-room4–6101 m²$600,000$552
Jan 2023Jan ’234-room4–6102 m²$520,000$474
Dec 2022Dec ’224-room4–6102 m²$520,000$474

Rents

Flat typeMedian rentApprovals
4-room$3,300 a month3

HDB's approvals to rent out a whole flat of the type most let in this block, over the 12 months to September 2026. The map has every flat type and five years of rents.

Gross yield of a 4-room flat here: about 6.2% a year, the median rent over the median resale price from this block's own sales, before any costs.

Nearby

The nearest stations, hawker centre and supermarket, in a straight line from the block:

  • Kovan MRT1.6 km
  • Hougang MRT1.7 km
  • Ci Yuan Hawker Centre830 m
  • Ang Mo Supermarket410 m

Primary schools within 2 km (3 within 1 km):

  • Rosyth School180 m
  • Xinmin Primary School760 m
  • Hougang Primary School790 m
  • Yio Chu Kang Primary School1.2 km
  • Montfort Junior School1.5 km
  • Zhonghua Primary School1.5 km

Also on Serangoon North Avenue 4

BlockLease fromResold, last 12 months4-room median
500 Serangoon North Avenue 419923—
501 Serangoon North Avenue 419921—
502 Serangoon North Avenue 419920—
504 Serangoon North Avenue 419921—
505 Serangoon North Avenue 419921—
506 Serangoon North Avenue 419922—
506A Serangoon North Avenue 419921—
506B Serangoon North Avenue 419920—
507 Serangoon North Avenue 419971—
508 Serangoon North Avenue 419972$610,000
509 Serangoon North Avenue 4this block19972$635,000
510 Serangoon North Avenue 419971—
511 Serangoon North Avenue 419973$656,500
512 Serangoon North Avenue 419972—
514 Serangoon North Avenue 419920—
515 Serangoon North Avenue 419920—
516 Serangoon North Avenue 419920—
517 Serangoon North Avenue 419921$678,000
518 Serangoon North Avenue 419921$660,000
519 Serangoon North Avenue 419924—
520 Serangoon North Avenue 419923—
521 Serangoon North Avenue 419920—
522 Serangoon North Avenue 419921$715,000
523 Serangoon North Avenue 419922$653,000
524 Serangoon North Avenue 419922$650,000
525 Serangoon North Avenue 419920—
526 Serangoon North Avenue 419922—
527 Serangoon North Avenue 419920—
528 Serangoon North Avenue 419921$678,000
529 Serangoon North Avenue 419923$666,000
530 Serangoon North Avenue 419920—
531 Serangoon North Avenue 419920—
532 Serangoon North Avenue 419925$609,000
533 Serangoon North Avenue 419922$646,944
534 Serangoon North Avenue 419921$640,000
535 Serangoon North Avenue 419922—
535A Serangoon North Avenue 419923$599,444
536 Serangoon North Avenue 419921$585,000
537 Serangoon North Avenue 419921—
538 Serangoon North Avenue 419923$624,000
539 Serangoon North Avenue 419923—
540 Serangoon North Avenue 419924$630,000
541 Serangoon North Avenue 419921—
542 Serangoon North Avenue 419925—

All of Serangoon's 227 blocks.

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