21 Mclean St, South Portland, ME is a single family home that contains 1,632 sq ft and was built in 1920. It contains 3 bedrooms and 1 bathroom. This home last sold for $264,900 in September 2016. The Zestimate for this house is $245,622, which has decreased by $5,900 in the last 30 days. The Rent Zestimate for this home is $1,700/mo. The property tax in 2017 was $3,400. The tax assessment in 2017 was $188,900, an increase of 0.6% over the previous year.