43 Castine Ave, Portland, ME is a single family home that contains 1,639 sq ft and was built in 1990. It contains 4 bedrooms and 2 bathrooms. This home last sold for $205,000 in July 2016. The Zestimate for this house is $268,795, which has increased by $495 in the last 30 days. The Rent Zestimate for this home is $1,700/mo, which has decreased by $116/mo in the last 30 days. The property tax in 2017 was $3,997. The tax assessment in 2017 was $184,600.