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$2.1 million house tops the list of most expensive residential real estate sales in Montclair between May 19 and June 1, with an average price of $2.4 million for 12 recorded sales. The average price per square foot was $480.

    Here are the top 10 most expensive home sales:

    1. $2.1 million, single-family residence at 55 Warren Place: A detached house built in 1882 with a living area of 3,476 square feet sold for $604 per square foot.

    2. $2 million, single-family house at 558 Park Street: A single-family home built in 1915 with a living area of 3,355 square feet sold for $583 per square foot.

    3. $1.3 million, single-family home at 9 Bellaire Drive: A 2,188-square-foot single-family home built in 1922 sold for $595 per square foot.

    4. $1.1 million, single-family house at 59 Watchung Ave.: A 3,349-square-foot single-family residence built in 1923 sold for $340 per square foot.

    5. $1.1 million, single-family residence at 101 Haddon Place: A 1,918-square-foot detached house built in 1917 sold for $547 per square foot.

    6. $1 million, single-family home at 580 Valley Road: A single-family home built in 1970 with a living area of 1,589 square feet sold for $629 per square foot.

    7. $875,000, single-family home at 277 Valley Way: A detached house built in 1958 with a living area of 1,176 square feet sold for $744 per square foot.

    8. $707,000, condominium at 83 Bay Street: A condominium built in 2009 with a living area of 1,715 square feet sold for $412 per square foot.

    9. $535,000, single-family residence at 92 Willowdale Ave.: A house built in 1923 with a living area of 2,864 square feet sold for $187 per square foot.

    10. $517,000, single-family house at 2 Graham Terrace: A single-family home built in 1967 with a living area of 1,008 square feet sold for $513 per square foot.

    Real Estate Newswire is a service provided by United Robots, which uses machine learning to generate analysis of data from Propmix, an aggregator of national real-estate data.