64 Mcdonough St, Portsmouth, NH is a single family home that contains 1,087 sq ft and was built in 1870. It contains 2 bedrooms and 1.5 bathrooms. This home last sold for $419,933 in October 2016. The Zestimate for this house is $505,144, which has decreased by $11,149 in the last 30 days. The Rent Zestimate for this home is $2,000/mo. The property tax in 2017 was $6,452. The tax assessment in 2017 was $419,500, an increase of 28.2% over the previous year.