999-yearCCRDistrict 10 (Bukit Timah)

The Sierra

Reviewed by Nathan TangUpdated 10 August 2026Data through Sept 2025 (URA)
Quick Summary

The Sierra is a 999-year apartment in District 10 (Bukit Timah) that obtained TOP in 1998, with 60 units across 1 block. Across 130 transactions on record, units have recently transacted around S$1.72M (S$1,766 psf, ~1,033 sqft). There are 13 units for sale from S$1.98M to S$4.49M. The lease has approximately 910 years remaining.

1

What are the key facts about The Sierra?

Key Takeaway

The Sierra is a 999-year apartment in District 10 (Bukit Timah) that obtained TOP in 1998, with 60 units across 1 block.

Tenure
999-year
TOP / Completion
1998
Developer
KOHS BROTHERS DEVELOPMENT PTE LTD
Total units
60
Blocks
1
District / Area
District 10 (Bukit Timah)
Market segment
CCR
Median PSF
S$1,766 psf
Last transacted
Sept 2025
Remaining lease
≈ 910 years
2

What is the price and PSF at The Sierra?

Key Takeaway

Units have recently transacted around S$1.72M (S$1,766 psf), at a gross rental yield of about 1.8% (URA caveat data).

Recent median price

S$1.72M

recent · 130 sales on record

Median PSF

S$1,766 psf

recent transactions

Median rent (monthly)

S$2,517

532 rentals on record

Gross rental yield

1.8%

indicative, gross

Units currently for sale are asking a median of S$1,859 psf — about 5% above the most recent transacted PSF.

Source: URA caveat data, through Sept 2025.

3

What has recently sold at The Sierra?

Key Takeaway

The Sierra has 130 recorded sales; the most recent transacted at S$1,780,000 in Sept 2025 (URA caveat data).

DatePriceSize (sqft)PSF
Sept 2025S$1,780,000980S$1,817 psf
Jun 2025S$2,215,0001,206S$1,837 psf
May 2025S$1,302,800667S$1,952 psf
Jul 2024S$1,935,0001,033S$1,873 psf
Mar 2024S$1,730,000980S$1,766 psf
Aug 2023S$2,160,0001,206S$1,792 psf
Mar 2023S$1,190,000667S$1,783 psf
Mar 2023S$1,120,000667S$1,678 psf
Jan 2023S$1,715,0001,033S$1,660 psf
Jan 2022S$1,890,0001,206S$1,568 psf
Aug 2021S$1,530,0001,141S$1,341 psf
Aug 2021S$1,575,0001,033S$1,524 psf

130 sales and 532 rentals on record since Nov 1996. Source: URA.

4

Are prices at The Sierra rising?

Key Takeaway

The median transacted PSF at The Sierra has risen 65% over the past 14 years (20112025), from S$1,115 psf to S$1,837 psf (URA caveats).

YearMedian PSFMedian priceSalesYoY
2025S$1,837 psfS$1.78M3+4.0%
2024S$1,766 psfS$1.73M2+5.2%
2023S$1,678 psfS$1.19M4+15.6%
2021S$1,452 psfS$1.50M4-5.5%
2019S$1,536 psfS$1.14M3+9.9%
2018S$1,398 psfS$1.10M6+13.8%
2017S$1,229 psfS$830k4-0.8%
2016S$1,239 psfS$803k2-5.9%
2012S$1,316 psfS$1.34M7+18.0%
2011S$1,115 psfS$1.20M2

Yearly median transacted PSF and price; years with at least 2 recorded sales. Source: URA caveat data.

5

How many property agents are active around The Sierra?

Key Takeaway

8,469 CEA-registered agents closed at least one recorded deal in District 10 — where The Sierra sits — in the last 12 months, across all property types.

Active agents · 12mo

8,469

District 10 · closed ≥1 deal

Deals on record

67,594

all-time · all property types

Source: CEA public transaction records, attributed to District 10across HDB, condo and landed (agent activity isn't published at project level). Browse the agent directory or compare every market segment.

6

What bedroom types are available at The Sierra?

Key Takeaway

The Sierra has 13 units listed for sale, spanning 2–5-bedroom layouts.

Based on units currently listed for sale.

BedroomsFor salePrice rangeMedian PSF
2-bedroom5S$1.98M–S$2.00MS$1,859 psf
3-bedroom5S$1.99M–S$2.50MS$2,073 psf
5-bedroom3S$4.49M–S$4.49MS$1,544 psf
7

Where is The Sierra and what's nearby?

Key Takeaway

The Sierra is located in Bukit Timah, in the Central Region of Singapore.

The Sierra is a 999-year apartment completed in 1998. It was developed by KOHS BROTHERS DEVELOPMENT PTE LTD. The development has 60 residential units. It sits on a land area of 2,938 sqm and has a gross floor area of 6,191 sqm. The plot ratio is 2.1.

THE SIERRA is located at 80 Mount Sinai Drive, Singapore 277125. It is part of District 10, Ardmore / Bukit Timah / Holland Road / Tanglin, Bukit Timah. The project falls within the Central Region and the CCR market segment.

The nearest rail connection is Dover MRT, approximately 767m away, around 12 minutes on foot. Nearby amenities include The Star Vista for shopping, YEO KENG GUAN for groceries, and Mount Sinai Plain Pg for greenery and recreation. Facilities in the development include Barbeque Area, Covered car park, Gymnasium room, Playground, 24 hours security, and Swimming pool.

8

Who built The Sierra and how big is the development?

Key Takeaway

The Sierra was developed by KOHS BROTHERS DEVELOPMENT PTE LTD, with 60 units over up to 17 storeys.

Developer
KOHS BROTHERS DEVELOPMENT PTE LTD
Floors
17 storeys
Blocks
1
Land area
2,938 sqm (31,624 sqft)
Gross floor area
6,191 sqm (66,639 sqft)
Plot ratio
2.10
9

How far is The Sierra from MRT and schools?

Key Takeaway

The nearest MRT/LRT to The Sierra is Dover MRT, about 767 m away (~12 min walk). 2 schools are within 1 km, including 1 primary school.

Getting around

Schools nearby

Homes within 1 km of a primary school qualify for Primary 1 (P1) registration priority.

  • Henry Park Primary SchoolPrimary schoolwithin 1 km · P1 priority468 m
  • School Of Science And Technology, SingaporeSecondary schoolwithin 1 km908 m
  • New Town Secondary SchoolSecondary school1.2 km
  • Pei Tong Primary SchoolPrimary school1.4 km
  • Anglo-Chinese School (Independent)Mixed-level school1.6 km
  • Methodist Girls' School (Primary)Primary school1.7 km
  • Methodist Girls' School (Secondary)Secondary school1.7 km
  • Nan Hua High SchoolSecondary school1.7 km

Shops, food & parks

Mall: The Star Vista · 1.5 kmSupermarket: Yeo Keng Guan · 225 mPark: Mount Sinai Plain Pg · 277 m

Straight-line distances from the development. Source: PropKaki amenities data.

10

What facilities does The Sierra have?

Key Takeaway

The Sierra has 7 facilities, including Barbeque Area, Covered car park, Gymnasium room, Playground, and more.

Barbeque AreaCovered car parkGymnasium roomPlayground24 hours securitySwimming poolWading pool
11

What does it cost to own a unit at The Sierra?

Key Takeaway

Buying a unit at The Sierra (~S$1.72M) needs about S$12,554/mo in income and S$5,776/mo in repayments, after S$55,350 stamp duty and a S$429k downpayment.

Illustrative, for a Singapore Citizen buying a unit at the recent median price (S$1.72M) as their first home — 25% down, 30-year loan at 3.5% p.a. Rates as of May 2026. Run it for your own profile →

Buyer's Stamp Duty

S$55,350

BSD, tiered

Downpayment (25%)

S$429k

cash + CPF

Monthly instalment

S$5,776/mo

30y @ 3.5%

Income required

S$12,554/mo

TDSR @ stress rate

Weighing it up as an investment? Gauge the odds with the profitability model, or read how to tell if a condo is profitable →

Keep going in the PropKaki app

Thinking about The Sierra? Ask before you commit.

A fair-value read, recent comps and what a unit really costs — from The Sierra's own transactions.

PropKaki
Is The Sierra a good buy, and what are units selling for?

Recent units at The Sierra sold close to their fair value — solid, no obvious overpay.

Ask anything about Singapore property…
12

Frequently asked questions about The Sierra

How much does a unit at The Sierra cost?

Units at The Sierra have recently transacted around S$1.72M (S$1,766 psf), from 130 sales on record (URA caveats). The exact price depends on size, floor and facing.

How much do I need to earn to buy at The Sierra?

For a unit around S$1.72M as a first home, you'd need roughly S$12,554/mo in income (assessed at the stress-test rate), with repayments near S$5,776/mo after a S$429k (25%) downpayment and S$55,350 Buyer's Stamp Duty.

Is The Sierra a good investment?

Gross rental yield is about 1.8%, and current asking prices sit about 5% above the most recent transacted PSF; median PSF has risen about 65% since 2011. Whether it suits you depends on your budget, holding period and the unit's size, floor and facing — all summarised on this page from URA data.

Are prices at The Sierra going up?

The median transacted PSF at The Sierra has risen about 65% between 2011 and 2025, based on URA caveats. Year-by-year figures are in the price-trend table above.

Is The Sierra freehold or leasehold?

The Sierra is 999-year, with approximately 910 years remaining on the lease.

When was The Sierra built and who developed it?

The Sierra obtained TOP in 1998, developed by KOHS BROTHERS DEVELOPMENT PTE LTD, with 60 units across 1 block.

How many units are for sale at The Sierra?

There are 13 units for sale at The Sierra, from S$1.98M to S$4.49M.

What is the nearest MRT to The Sierra?

The nearest MRT/LRT station to The Sierra is Dover MRT, about 767 m away (~12 min walk).

Which primary schools are within 1 km of The Sierra?

Henry Park Primary School is within 1 km of The Sierra — homes within 1 km of a primary school qualify for Primary 1 (P1) registration priority.

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