Stefy Ong Siew Lee (Stefy Ong)
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In the 30 days to 11 Sep 2026, members of the public opened 1,525 different Singapore agents' CEA records here, 1,271 of those arrivals straight from Google. 6 of those agents had claimed their page. The other 1,519 were spoken for by a page they have never seen.
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22 deals a year is the top tenth of the market.
Deals per agent over the last 12 months, from the CEA register.
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Listing-side strength in Upper Thomson.
On 24 CEA-recorded transactions, Stefy Ong Siew Lee (Stefy Ong) carries a strong AgentScore of 78/100. Sales make up 67% of that record, almost all of them new project launches rather than resale homes, with no seller-side resale on record. Their sales concentrate in condo and apartment property, over roughly 6 years of recorded activity.
Synthesised from Stefy's CEA transaction record. Full breakdown below.
Verified track record
Seller-side resales are the deals where this agent represented an owner selling an existing home, which is the closest match to hiring them to sell yours. Recorded sales include new project launches, where the seller is the developer. 8 rental transactions are also on record. Counted from official CEA salesperson records. No sales have been logged on FairComparisons yet; this fills in as the record grows.
Deal breakdown
Stefy's 24 CEA-recorded transactions at a glance.
Activity over time
Stefy's recorded CEA transactions by year, sales and rentals.
Performance overview
Based on 24 CEA transactions recorded to date.
Where Stefy is most active
Transaction record
Every deal below is from the CEA salesperson public register. No price or address is published in this record. Verify Stefy's current CEA registration ↗
Selling a home? Stefy represented the seller in 14 of 16 recorded sales, alongside 8 rental deals.
| Date | Type | Acting for | Property | Area |
|---|---|---|---|---|
| Jul 2026 | New Sale | Seller | Condo | Upper Thomson/ Springleaf |
| Jul 2026 | New Sale | Seller | Condo | Upper Thomson/ Springleaf |
| Jul 2026 | New Sale | Seller | Condo | Upper Thomson/ Springleaf |
| Oct 2025 | Whole Rental | Landlord | Condo | Seletar |
| Oct 2025 | New Sale | Seller | Condo | Upper Thomson/ Springleaf |
| Aug 2025 | New Sale | Seller | Condo | Upper Thomson/ Springleaf |
| Mar 2025 | New Sale | Seller | Condo | Upper Thomson/ Springleaf |
| Mar 2025 | New Sale | Seller | Condo | Upper Thomson/ Springleaf |
Show 16 more recorded transactions
| Date | Type | Acting for | Property | Area |
|---|---|---|---|---|
| Mar 2025 | New Sale | Seller | Condo | Upper Thomson/ Springleaf |
| Jan 2025 | Whole Rental | Landlord | HDB | Serangoon |
| Jan 2025 | Whole Rental | Landlord | HDB | Sembawang |
| Nov 2024 | New Sale | Seller | Condo | Upper Thomson/ Springleaf |
| Nov 2024 | New Sale | Seller | Condo | Upper Thomson/ Springleaf |
| Jul 2024 | Whole Rental | Landlord | Condo | Orchard/ Cairnhill/ River Valley |
| Apr 2024 | New Sale | Buyer | Condo | Upper Thomson/ Springleaf |
| Jan 2024 | Whole Rental | Landlord | HDB | Sembawang |
| Aug 2023 | Whole Rental | Landlord | Condo | Seletar |
| Jul 2023 | New Sale | Seller | Condo | Katong/ Joo Chiat/ Amber Road |
| Jul 2023 | New Sale | Seller | Condo | Katong/ Joo Chiat/ Amber Road |
| Jul 2023 | New Sale | Seller | Condo | Upper Thomson/ Springleaf |
| Jul 2023 | New Sale | Seller | Condo | Upper Thomson/ Springleaf |
| Feb 2023 | New Sale | Buyer | Condo | Watten Estate/ Novena/ Thomson |
| Jan 2022 | Whole Rental | Landlord | HDB | Sembawang |
| Jun 2020 | Room Rental | Tenant | Landed | Bedok/ Upper East Coast/ Eastwood/ Kew Drive |
This record reflects transactions in the public CEA register. Off-market deals and very recent transactions may not appear yet, and government data is published with a lag. Spotted an error? Report it and we will check it against the source.
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This profile is compiled from public CEA, URA and HDB transaction records. If a figure looks wrong, we will check it against the source and correct verified errors. You can also claim the profile to add context, or ask us to remove it.
Request a correction or removalAbout Stefy Ong Siew Lee (Stefy Ong), from the record.
Is Stefy Ong Siew Lee (Stefy Ong) a CEA-registered property agent?
Yes. Stefy Ong Siew Lee (Stefy Ong) is registered with the Council for Estate Agencies under registration number R059105C, currently with Huttons Asia. You can verify this on the CEA Public Register.
How many property transactions does Stefy Ong Siew Lee (Stefy Ong) have on record?
24 transactions are attributed to Stefy Ong Siew Lee (Stefy Ong) in CEA's public transaction records. The full breakdown by property type, transaction type and side is shown on this page.
What is Stefy Ong Siew Lee (Stefy Ong)'s AgentScore?
78/100. AgentScore is computed by FairComparisons from public CEA, URA and HDB records, weighing transaction volume, recent activity, market diversity and experience. Rankings cannot be bought or edited by any agent.
Which area is Stefy Ong Siew Lee (Stefy Ong) most active in?
Upper Thomson, based on the location of Stefy Ong Siew Lee (Stefy Ong)'s recorded transactions.
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