137 Spring St APT 3, Portland, ME is a condo home that contains 1,219 sq ft and was built in 1900. It contains 2 bedrooms and 1 bathroom. This home last sold for $321,000 in April 2017. The Zestimate for this house is $326,756, which has decreased by $3,381 in the last 30 days. The Rent Zestimate for this home is $1,825/mo, which has increased by $26/mo in the last 30 days. The property tax in 2017 was $4,101. The tax assessment in 2017 was $189,400.