Vivien Koo
Associate Group Director, PropNex
PROPNEX REALTY PTE. LTD.
Sales-led HDB agent in Yishun, Sembawang & Sengkang
- deals on record
- 56 Apr 2021 to Sep 2026
- active since
- 2021 first recorded deal, Apr 2021
- sales
- 100% of 18 deals since Jan 2025
- latest deal
- Sep 2026 CEA records
At a glance
Vivien Koo is a PropNex property agent (CEA R063470D) with 56 transactions on record since Apr 2021. Since January 2025, 0% of deals were rentals and 100% sales, most often acting for buyers. The most active area is Yishun, with 7 deals.
- Sales specialist100% of deals since Jan 2025 were sales (18 of 18)
- HDB focus86% of all 56 recorded deals
- Often acts for buyers94% of deals since Jan 2025 (17 of 18)
Experience
Deals per year
Every transaction in CEA's public records.
- 22021
- 62022
- 132023
- 172024
- 92025
- 92026
2026 is year to date. Recent months may be incomplete in the CEA dataset.
Experience
Recent deal mix
Since Jan 2025 (18 deals)
Expertise
Where Vivien Koo works
Private homes are recorded by postal district, HDB flats by town.
Expertise
Clients and property types
Across all recorded deals.
Who they act for
Property types
Questions
About Vivien Koo
Is Vivien Koo a registered property agent?
Yes. Vivien Koo is on the CEA public register under R063470D with PROPNEX REALTY PTE. LTD. (licence L3008022J); the registration is valid to 31 Dec 2029. Checked 8 Nov 2026.
Which areas is Vivien Koo most active in?
By CEA records: Yishun (HDB town): 7 deals; Sembawang (HDB town): 6 deals; Sengkang (HDB town): 5 deals; District 19 (Serangoon Garden, Hougang, Punggol): 4 deals.
Does Vivien Koo mainly handle sales or rentals?
Since January 2025: 0 rentals (0%) and 18 sales (100%) out of 18 transactions.
Who does Vivien Koo usually represent?
Across all records: buyers 47 (84%), sellers 8 (14%), tenants 1 (2%).
How long has Vivien Koo been active as a property agent?
The first transaction in CEA's public records is from Apr 2021, about 5 years ago. The current registration with PROPNEX REALTY PTE. LTD started on 1 Jan 2026.
How can I contact Vivien Koo?
Send an enquiry from this page and Districtpedia will pass it to Vivien Koo, or contact them through PROPNEX REALTY PTE. LTD.
Contact
Send an enquiry
Districtpedia passes your enquiry to Vivien Koo. We never publish your details.
Sources
How this profile is built
Transaction figures: 56 records for R063470D from the CEA salesperson transaction records on data.gov.sg, retrieved 8 Nov 2026, covering Apr 2021 to Sep 2026. "Recent" means since 1 January 2025. Area shares use the 56 records with a postal district (private) or HDB town. Registration: CEA public register of salespersons, checked 8 Nov 2026. The records do not include prices, commissions or client feedback. Districtpedia does not rank agents. Report a correction.