18 Stevens Ave, Merrimack, NH is a single family home that contains 2,112 sq ft and was built in 1962. It contains 3 bedrooms and 2 bathrooms. This home last sold for $275,000 in August 2016. The Zestimate for this house is $281,232, which has increased by $6,756 in the last 30 days. The Rent Zestimate for this home is $1,975/mo. The property tax in 2017 was $5,405. The tax assessment in 2017 was $231,300.