Home / Compare agents / ERA Realty Network / Ong Ying Ying (Diane Ong)
66
AGENTSCORE
Solid

Ong Ying Ying (Diane Ong)

ERA Realty Network property agent in Bedok · CEA R004586E
32 transactions9% in Katong53% hdbKatong/ Joo Chiat/ Amber Road
Ranked on CEA dataUpdated Oct 2026
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Is this your profile, Diane?

In the 30 days to 26 Oct 2026, members of the public opened 2,095 different Singapore agents' CEA records here, 1,750 of those arrivals straight from Google. 25 of those agents had claimed their page. The other 2,070 were spoken for by a page they have never seen.

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21 deals a year is the top tenth of the market.

5median11top 25%21top 10%54top 1%

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

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The record at a glance

Steady record in Katong.

Ong Ying Ying (Diane Ong) holds a strong AgentScore of 66/100 on 32 CEA-recorded transactions. 53% of that activity is sales rather than rentals, and of the sales with a recorded side 59% were seller-side, representing the person selling. The record centres on HDB transactions, over roughly 4 years of recorded activity.

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

Verified track record

17
Recorded sales
10
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. 15 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

Diane's 32 CEA-recorded transactions at a glance.

32DEALS
Resale16 (50%)
Rental (whole)8 (25%)
Rental (room)7 (22%)
New sale1 (3%)
Seller · 10 (59%)Buyer · 7
Which side of a sale they usually represent
Landlord · 12 (80%)Tenant · 3
Which side of a rental they usually represent

Activity over time

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

1
2022
6
2023
13
2024
5
2025
7
2026
Sales Rentals
Where Diane ranksTop 47%

Ranked by AgentScore among all 30,206 scored agents in Singapore. 14,031 of them score 66 or higher, Diane included, so Diane is in the top 47%.

Performance overview

Based on 32 CEA transactions recorded to date.

Property mix
HDB
53%
Condo & apartment
47%
Represents
Landlord
38%
Seller
31%
Buyer
22%
Tenant
9%

Where Diane is most active

Katong/ Joo Chiat/ Amber Road
3
Geylang/ Eunos
2
Orchard/ Cairnhill/ River Valley
2
Balestier/ Toa Payoh/ Serangoon
2
Little India
1

Transaction record

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

10
Sales representing the seller
7
Sales representing the buyer
15
Rental transactions

Selling a home? Diane represented the seller in 10 of 17 recorded sales, alongside 15 rental deals.

Last recorded deal · Jul 2026
DateTypeActing forPropertyArea
Jul 2026Room RentalLandlordHDBBedok
Jun 2026Whole RentalLandlordCondoGeylang/ Eunos
Jun 2026Room RentalLandlordHDBHougang
Jun 2026Room RentalLandlordHDBHougang
May 2026ResaleSellerHDBBedok
Apr 2026ResaleBuyerCondoOrchard/ Cairnhill/ River Valley
Mar 2026ResaleBuyerCondoPasir Panjang/ Hong Leong Garden/ Clementi New Town
Dec 2025ResaleSellerCondoBishan/ Ang Mo Kio
Show 24 more recorded transactions
DateTypeActing forPropertyArea
Oct 2025Room RentalLandlordHDBBedok
Jul 2025ResaleBuyerCondoOrchard/ Cairnhill/ River Valley
May 2025ResaleSellerCondoUpper Bukit Timah/ Clementi Park/ Ulu Pandan
Jan 2025ResaleBuyerHDBHougang
Dec 2024ResaleSellerHDBBukit Merah
Dec 2024New SaleBuyerCondoLoyang/ Changi
Nov 2024Whole RentalTenantCondoArdmore/ Bukit Timah/ Holland Road/ Tanglin
Nov 2024Whole RentalTenantCondoKatong/ Joo Chiat/ Amber Road
Nov 2024ResaleSellerCondoLittle India
Oct 2024ResaleSellerHDBAng Mo Kio
Sep 2024Room RentalLandlordHDBChoa Chu Kang
Aug 2024Whole RentalLandlordCondoBalestier/ Toa Payoh/ Serangoon
Jul 2024ResaleSellerHDBBedok
Jun 2024ResaleSellerHDBPunggol
Jun 2024Room RentalLandlordHDBBedok
Apr 2024Whole RentalLandlordCondoGeylang/ Eunos
Feb 2024ResaleBuyerHDBBukit Merah
Nov 2023Whole RentalLandlordCondoKatong/ Joo Chiat/ Amber Road
Oct 2023Room RentalLandlordHDBChoa Chu Kang
Aug 2023ResaleSellerHDBSengkang
Jul 2023ResaleSellerHDBBedok
Jun 2023Whole RentalLandlordCondoBalestier/ Toa Payoh/ Serangoon
Mar 2023ResaleBuyerHDBChoa Chu Kang
Dec 2022Whole RentalTenantCondoKatong/ Joo Chiat/ Amber Road

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 Diane?

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 Ying Ying (Diane Ong), from the record.

Is Ong Ying Ying (Diane Ong) a CEA-registered property agent?

Yes. Ong Ying Ying (Diane Ong) is registered with the Council for Estate Agencies under registration number R004586E, currently with ERA Realty Network. You can verify this on the CEA Public Register.

How many property transactions does Ong Ying Ying (Diane Ong) have on record?

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

What is Ong Ying Ying (Diane Ong)'s AgentScore?

66/100. 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 Ying Ying (Diane Ong) most active in?

Bedok, based on the location of Ong Ying Ying (Diane Ong)'s recorded transactions.

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