23 Cass St, Somersworth, NH is a single family home that contains 1,660 sq ft and was built in 2005. It contains 3 bedrooms and 3 bathrooms. This home last sold for $243,000 in October 2016. The Zestimate for this house is $255,454, which has increased by $1,911 in the last 30 days. The Rent Zestimate for this home is $1,800/mo, which has increased by $18/mo in the last 30 days. The property tax in 2017 was $6,846. The tax assessment in 2017 was $206,900, an increase of 1.5% over the previous year.