RIVERSAILS: Upper Serangoon Crescent, D19/Hougang, Condominium, Developer: BENEFIT INVESTMENTS PTE LTD, 99 Yrs from 07/12/2011, Completed in 2016, Land Size: 24,696 sqm, 920 units, 1BR-4BR, Buyer Profile: Singaporean 82.1%, PR 14.9%, Foreigner 3.1%, Avg sale price: $1,436 psf, Rental Yield: 3.4%.