20 Wall St, Portland, ME is a single family home that contains 1,544 sq ft and was built in 1925. It contains 3 bedrooms and 2 bathrooms. This home last sold for $315,000 in November 2016. The Zestimate for this house is $276,023, which has decreased by $7,697 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 $4,122. The tax assessment in 2017 was $190,400. What I love about the homeOpen concept kitchen and dining, Crown molding throughout, Brick driveway and patio, New systems and appliances.