51 Newton St, Portland, ME is a single family home that contains 1,713 sq ft and was built in 1984. It contains 3 bedrooms and 2 bathrooms. This home last sold for $212,000 in May 2016. The Zestimate for this house is $279,144, which has decreased by $4,331 in the last 30 days. The Rent Zestimate for this home is $1,825/mo, which has decreased by $12/mo in the last 30 days. The property tax in 2017 was $4,451. The tax assessment in 2017 was $205,600.