51 Baltimore Ave, South Portland, ME is a single family home that contains 1,700 sq ft and was built in 2006. It contains 3 bedrooms and 3 bathrooms. This home last sold for $270,000 in May 2016. The Zestimate for this house is $338,538, which has decreased by $4,705 in the last 30 days. The Rent Zestimate for this home is $1,825/mo, which has decreased by $49/mo in the last 30 days. The property tax in 2017 was $4,343. The tax assessment in 2017 was $241,300.