45 Keystone Dr, North Waterboro, ME is a single family home that contains 1,944 sq ft and was built in 1989. It contains 3 bedrooms and 4 bathrooms. This home last sold for $160,000 in December 2016. The Zestimate for this house is $229,169, which has increased by $8,211 in the last 30 days. The Rent Zestimate for this home is $1,600/mo, which has increased by $42/mo in the last 30 days. The property tax in 2017 was $2,336. The tax assessment in 2017 was $151,300.