Princeton Riverside Real Estate Summary May 2019 June 4, 2019 by limey admin May 2019: 7 homes sold in Riverside last month. The average days on market was 95. The average sold price for a home in the Riverside section of Princeton was $954,000. Click to see which homes sold in Princeton’s Riverside section or click to see Princeton Riverside homes for sale. *Source: TREND, information deemed reliable but not guaranteed.