Blk 506B Serangoon Nth Ave 4 is an HDB block in Serangoon (completed in 1992, 15 storeys, 70 units). As of Jul 2026, its median resale price over the last 24 months is $970,000, about 24% above the Serangoon median, from 3 sales. 81 resale transactions have been recorded here since 1990.
Explore this block on the interactive map →| Town | Serangoon |
|---|---|
| Completed | 1992 |
| Lease from | 1992 |
| Storeys | 15 |
| Dwelling units | 70 |
| Unit mix (sold) | exec ×70 |
| Recorded resales | 81 since 1990 |
| Flat type | Median price | Median $/m² | Sales |
|---|---|---|---|
| Executive | $970,000 | $6,644/m² | 3 |
Median monthly rent at this block: $3,400/mo (2 rental contracts, last 12 months).
Estimated gross rental yield: ~4.2% (Serangoon average: ~5.1%) — annual median rent over median resale price, before taxes, fees and vacancy.
On price per square metre, this block is cheaper than 61% of Serangoon blocks with recent sales.
For a typical executive flat here, our price model estimates $889,122–$994,611 (central estimate $941,866). Recent sales — median $949,915 — sit within that range. The model explains 94% of resale prices with a typical error of ±6%. Indicative only — not an official valuation.
| Year | Median (nominal) | Median (today's $) | Sales |
|---|---|---|---|
| 1994 | $330,000 | $553,923 | 1 |
| 1997 | $556,500 | $887,815 | 8 |
| 1998 | $511,000 | $817,449 | 16 |
| 1999 | $475,000 | $759,679 | 8 |
| 2000 | $503,000 | $793,754 | 1 |
| 2001 | $483,250 | $754,937 | 2 |
| 2002 | $433,000 | $679,096 | 3 |
| 2003 | $411,500 | $642,242 | 2 |
| 2004 | $380,000 | $583,325 | 1 |
| 2005 | $330,000 | $504,187 | 5 |
| 2006 | $342,500 | $518,278 | 2 |
| 2007 | $364,000 | $539,430 | 1 |
| 2008 | $462,500 | $642,752 | 2 |
| 2009 | $467,000 | $645,211 | 3 |
| 2010 | $530,000 | $712,108 | 3 |
| 2011 | $598,000 | $763,382 | 1 |
| 2013 | $707,000 | $843,064 | 3 |
| 2014 | $669,444 | $790,110 | 2 |
| 2015 | $650,000 | $771,194 | 1 |
| 2017 | $652,500 | $773,814 | 2 |
| 2018 | $680,000 | $802,907 | 5 |
| 2019 | $615,000 | $722,061 | 1 |
| 2020 | $635,000 | $746,829 | 2 |
| 2021 | $741,500 | $852,344 | 2 |
| 2023 | $900,000 | $929,829 | 1 |
| 2025 | $970,000 | $970,000 | 3 |
| Record sale | $1,020,000 (Executive, 2025-01) |
|---|---|
| First recorded sale | $330,000 (1994-07) |
| Busiest year | 1998 · 16 sales |
| 10-year change (real) | +26% (+2.3%/yr, 2015→2025) |
| Total transacted | $44.0M across 81 sales |
| Month | Flat type | Storey | Area (m²) | Price |
|---|---|---|---|---|
| 2025-07 | Executive | 01 TO 03 | 146 | $970,000 |
| 2025-03 | Executive | 01 TO 03 | 146 | $900,000 |
| 2025-01 | Executive | 04 TO 06 | 146 | $1,020,000 |
| 2023-01 | Executive | 10 TO 12 | 145 | $900,000 |
| 2021-05 | Executive | 07 TO 09 | 147 | $748,000 |
| 2021-01 | Executive | 13 TO 15 | 147 | $735,000 |
| 2020-08 | Executive | 07 TO 09 | 145 | $640,000 |
| 2020-06 | Executive | 04 TO 06 | 146 | $630,000 |
| 2019-08 | Executive | 01 TO 03 | 146 | $615,000 |
| 2018-08 | Executive | 07 TO 09 | 145 | $656,888 |
| 2018-06 | Executive | 13 TO 15 | 145 | $750,000 |
| 2018-04 | Executive | 10 TO 12 | 147 | $680,000 |
| 2018-03 | Executive | 04 TO 06 | 146 | $720,000 |
| 2018-02 | Executive | 01 TO 03 | 145 | $650,000 |
| 2017-10 | Executive | 07 TO 09 | 147 | $650,000 |
| 2017-03 | Executive | 07 TO 09 | 147 | $655,000 |
| 2015-08 | Executive | 10 TO 12 | 147 | $650,000 |
| 2014-06 | Executive | 07 TO 09 | 146 | $670,000 |
| 2014-03 | Executive | 10 TO 12 | 145 | $668,888 |
| 2013-07 | Executive | 10 TO 12 | 147 | $707,000 |
| Block | Median (24 mo) | Median $/m² |
|---|---|---|
| 1. Blk 519 | $1,193,084 | $8,033/m² |
| 2. Blk 506A | $1,130,000 | $7,740/m² |
| 3. Blk 527 | $1,092,500 | $7,483/m² |
| 4. Blk 526 | $1,083,000 | $7,318/m² |
| 5. Blk 520 | $1,059,000 | $7,156/m² |
| 6. Blk 537 | $1,059,000 | $7,204/m² |
| 7. Blk 525 | $1,038,888 | $7,000/m² |
| 8. Blk 542 | $1,015,444 | $6,908/m² |
| 9. Blk 506 | $1,010,000 | $6,966/m² |
| 10. Blk 539 | $1,008,944 | $6,864/m² |
| 11. Blk 535 | $983,888 | $6,693/m² |
| 12. Blk 506B | $970,000 | $6,644/m² |
| 13. Blk 507 | $840,000 | $6,942/m² |
| 14. Blk 523 | $827,500 | $6,783/m² |
| 15. Blk 510 | $808,000 | $6,790/m² |
Showing the top 15 of 40 blocks.
The median resale price over the last 24 months is $970,000 (3 sales, as of Jul 2026). See the by-type table above for 3-room vs 4-room medians.
For a typical executive flat here, our price model estimates $889,122–$994,611 (central estimate $941,866). Recent sales — median $949,915 — sit within that range.
The median monthly rent is $3,400/mo over the last 12 months (2 contracts).
The block was completed in 1992 and its 99-year lease runs from 1992.