78 Mellen St APT 6, Portland, ME is a condo home that contains 1,117 sq ft and was built in 1890. It contains 2 bedrooms and 1 bathroom. This home last sold for $182,000 in August 2016. The Zestimate for this house is $223,068, which has decreased by $25 in the last 30 days. The Rent Zestimate for this home is $1,500/mo, which has decreased by $42/mo in the last 30 days. The property tax in 2017 was $2,293. The tax assessment in 2017 was $105,900.