Home / Compare agents / ERA Realty Network / Ong Boon Seng (Obs)
93
AGENTSCORE
Top performer

Ong Boon Seng (Obs)

ERA Realty Network property agent in Yishun · CEA R060989J
211 transactions13% in Yishun51% hdbYishun/ Sembawang
Ranked on CEA dataUpdated Oct 2026
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Is this your profile, Obs?

In the 30 days to 09 Oct 2026, members of the public opened 2,007 different Singapore agents' CEA records here, 1,655 of those arrivals straight from Google. 12 of those agents had claimed their page. The other 1,995 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.

5median12top 25%22top 10%56top 1%

Deals per agent over the last 12 months, from the CEA register.

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The record at a glance

High-volume record in Yishun.

Ong Boon Seng (Obs) (ERA Realty Network) records a high-volume history of 211 CEA transactions, for an exceptional AgentScore of 93/100, among the top 4% of scored agents in Singapore by AgentScore. 66% of that activity is sales rather than rentals, and of the sales with a recorded side 53% were seller-side, representing the person selling. The record centres on HDB transactions, over roughly 7 years of recorded activity.

Synthesised from Obs's CEA transaction record. Full breakdown below.

Verified track record

139
Recorded sales
74
Seller-side resales
0
Sales logged on FairComparisons

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. 72 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

Obs's 211 CEA-recorded transactions at a glance.

211DEALS
Resale132 (63%)
Rental (whole)67 (32%)
New sale7 (3%)
Rental (room)5 (2%)
Seller · 74 (53%)Buyer · 65
Which side of a sale they usually represent
Landlord · 67 (93%)Tenant · 5
Which side of a rental they usually represent

Activity over time

Obs's recorded CEA transactions by year, sales and rentals.

25
2020
31
2021
43
2022
42
2023
42
2024
23
2025
5
2026
Sales Rentals
Where Obs ranksTop 4%

Ranked by AgentScore among all 30,147 scored agents in Singapore. 905 of them score 93 or higher, Obs included, so Obs is in the top 4%.

Performance overview

Based on 211 CEA transactions recorded to date.

Property mix
HDB
51%
Condo & apartment
45%
Landed
3%
EC
0%
Represents
Seller
35%
Landlord
32%
Buyer
31%
Tenant
2%

Where Obs is most active

Yishun/ Sembawang
28
Kranji/ Woodgrove
18
Serangoon Garden/ Hougang/ Punggol
16
Tampines/ Pasir Ris
11
Katong/ Joo Chiat/ Amber Road
7

Transaction record

Every deal below is from the CEA salesperson public register. No price or address is published in this record. Verify Obs's current CEA registration ↗

74
Sales representing the seller
65
Sales representing the buyer
72
Rental transactions

Selling a home? Obs represented the seller in 74 of 139 recorded sales, alongside 72 rental deals.

Last recorded deal · Aug 2026
DateTypeActing forPropertyArea
Aug 2026ResaleSellerHDBSengkang
Jul 2026ResaleSellerHDBJurong West
Jul 2026ResaleSellerHDBBukit Merah
May 2026Whole RentalLandlordCondoKranji/ Woodgrove
Mar 2026Whole RentalLandlordCondoTampines/ Pasir Ris
Dec 2025Whole RentalLandlordCondoBedok/ Upper East Coast/ Eastwood/ Kew Drive
Oct 2025ResaleSellerHDBTampines
Sep 2025ResaleSellerHDBYishun
Show 52 more recorded transactions (of 211 on record)
DateTypeActing forPropertyArea
Sep 2025ResaleSellerCondoYishun/ Sembawang
Sep 2025ResaleBuyerHDBBukit Batok
Aug 2025New SaleBuyerCondoUpper Thomson/ Springleaf
Jul 2025ResaleSellerCondoSerangoon Garden/ Hougang/ Punggol
Jun 2025ResaleSellerCondoHillview/ Dairy Farm/ Bukit Panjang/ Choa Chu Kang
Jun 2025Whole RentalLandlordCondoTampines/ Pasir Ris
Jun 2025ResaleSellerCondoTampines/ Pasir Ris
Jun 2025Whole RentalLandlordCondoYishun/ Sembawang
May 2025ResaleBuyerCondoYishun/ Sembawang
Apr 2025ResaleSellerHDBYishun
Apr 2025ResaleBuyerHDBSengkang
Mar 2025Whole RentalLandlordHDBWoodlands
Mar 2025Whole RentalLandlordHDBSembawang
Mar 2025Whole RentalLandlordHDBYishun
Mar 2025Whole RentalLandlordCondoTampines/ Pasir Ris
Mar 2025Whole RentalLandlordCondoYishun/ Sembawang
Feb 2025Whole RentalTenantCondoSerangoon Garden/ Hougang/ Punggol
Feb 2025ResaleBuyerCondoPasir Panjang/ Hong Leong Garden/ Clementi New Town
Jan 2025ResaleSellerCondoYishun/ Sembawang
Jan 2025ResaleBuyerLandedUpper Thomson/ Springleaf
Dec 2024ResaleSellerHDBGeylang
Dec 2024ResaleSellerCondoPasir Panjang/ Hong Leong Garden/ Clementi New Town
Dec 2024Whole RentalLandlordCondoKranji/ Woodgrove
Nov 2024ResaleBuyerCondoQueenstown/ Tiong Bahru
Nov 2024ResaleBuyerCondoHillview/ Dairy Farm/ Bukit Panjang/ Choa Chu Kang
Oct 2024ResaleSellerCondoSerangoon Garden/ Hougang/ Punggol
Oct 2024ResaleSellerHDBChoa Chu Kang
Sep 2024ResaleSellerCondoHillview/ Dairy Farm/ Bukit Panjang/ Choa Chu Kang
Sep 2024ResaleBuyerHDBBedok
Sep 2024ResaleSellerHDBBedok
Sep 2024Whole RentalLandlordCondoSerangoon Garden/ Hougang/ Punggol
Aug 2024ResaleBuyerHDBKallang/Whampoa
Aug 2024New SaleBuyerCondoUpper Thomson/ Springleaf
Aug 2024ResaleBuyerHDBToa Payoh
Aug 2024Whole RentalLandlordCondoTampines/ Pasir Ris
Aug 2024Whole RentalLandlordCondoBedok/ Upper East Coast/ Eastwood/ Kew Drive
Aug 2024Whole RentalLandlordCondoArdmore/ Bukit Timah/ Holland Road/ Tanglin
Jul 2024ResaleSellerCondoYishun/ Sembawang
Jul 2024ResaleSellerHDBYishun
Jul 2024ResaleBuyerCondoTampines/ Pasir Ris
Jul 2024Whole RentalLandlordCondoKranji/ Woodgrove
Jul 2024ResaleSellerLandedUpper Thomson/ Springleaf
Jul 2024ResaleBuyerHDBBishan
Jul 2024ResaleSellerCondoTampines/ Pasir Ris
Jun 2024Whole RentalLandlordHDBBukit Merah
Jun 2024ResaleBuyerCondoTampines/ Pasir Ris
Jun 2024ResaleBuyerCondoYishun/ Sembawang
May 2024Whole RentalLandlordCondoBedok/ Upper East Coast/ Eastwood/ Kew Drive
May 2024ResaleBuyerCondoBedok/ Upper East Coast/ Eastwood/ Kew Drive
Apr 2024ResaleBuyerLandedLoyang/ Changi
Mar 2024ResaleBuyerCondoBalestier/ Toa Payoh/ Serangoon
Mar 2024Whole RentalLandlordCondoKranji/ Woodgrove

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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Is this Obs?

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.

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Quick answers

About Ong Boon Seng (Obs), from the record.

Is Ong Boon Seng (Obs) a CEA-registered property agent?

Yes. Ong Boon Seng (Obs) is registered with the Council for Estate Agencies under registration number R060989J, currently with ERA Realty Network. You can verify this on the CEA Public Register.

How many property transactions does Ong Boon Seng (Obs) have on record?

211 transactions are attributed to Ong Boon Seng (Obs) in CEA's public transaction records. The full breakdown by property type, transaction type and side is shown on this page.

What is Ong Boon Seng (Obs)'s AgentScore?

93/100. 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 Ong Boon Seng (Obs) most active in?

Yishun, based on the location of Ong Boon Seng (Obs)'s recorded transactions.

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