1036 Islington St, Portsmouth, NH is a single family home that contains 1,733 sq ft and was built in 1930. It contains 3 bedrooms and 2 bathrooms. This home last sold for $200,000 in November 2015. The Zestimate for this house is $444,694, which has increased by $31,685 in the last 30 days. The Rent Zestimate for this home is $2,310/mo, which has increased by $36/mo in the last 30 days. The property tax in 2017 was $5,468. The tax assessment in 2017 was $355,500, an increase of 34.3% over the previous year.