99 Year LeaseholdDistrict 25-28Executive Condominium Yishun Avenue 9 New EC launch Sg New Property March 15, 2021March 16, 2021 Yishun Avenue 9 New EC launch Yishun Avenue 9 New EC launch By Sing Holdings. Register to download Floor Plan, Brochure, Guide Price Here. No Commission Payable by Buyer!