18 Ocean St APT 123, South Portland, ME is a condo home that contains 836 sq ft and was built in 1981. It contains 2 bedrooms and 1 bathroom. This home last sold for $156,500 in January 2016. The Zestimate for this house is $189,601, which has increased by $3,181 in the last 30 days. The Rent Zestimate for this home is $1,500/mo. The property tax in 2017 was $2,545. The tax assessment in 2017 was $141,400, an increase of 6.0% over the previous year.