The value of contracts for future construction in the metropolitan area rose 128 percent last month compared with a year ago on a surge in higher residential activity.

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Dodge Data & Analytics, an industry information service, reported contracts worth $4.5 billion for all future building were awarded in May in the 23-county region that includes Long Island, up from $2 billion in May 2014.

Residential contracts totaled $2.2 billion last month, up 143 percent year over year. Nonresidential contracts, for commercial properties such as offices, hotels, factories and warehouses, rose 115 percent to $2.3 billion.