20 Arthur St, Portland, ME is a single family home that contains 1,771 sq ft and was built in 1927. It contains 3 bedrooms and 2 bathrooms. This home last sold for $280,000 in May 2016. The Zestimate for this house is $274,609, which has decreased by $8,808 in the last 30 days. The Rent Zestimate for this home is $1,850/mo, which has decreased by $50/mo in the last 30 days. The property tax in 2017 was $3,997. The tax assessment in 2017 was $184,600.