29 Walnut St, South Portland, ME is a single family home that contains 994 sq ft and was built in 1920. It contains 3 bedrooms and 1 bathroom. This home last sold for $237,900 in October 2016. The Zestimate for this house is $254,759, which has decreased by $14,528 in the last 30 days. The Rent Zestimate for this home is $1,700/mo, which has decreased by $8/mo in the last 30 days. The property tax in 2017 was $3,377. The tax assessment in 2017 was $187,600, an increase of 2.2% over the previous year.