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 A plan for a large housing development near Andrew Square could get new life now that one of the city’s most prominent builders has signed onto the stalled project.

Samuels & Associates will join as a partner in Washington Village, a planned 656-unit housing development between Dorchester and Old Colony avenues in South Boston. They’ll join Core Investments, which proposed the project and led it through city permitting in 2016, the two firms said Wednesday.

 Financial terms were not available, and both companies declined to comment. But the deal could help jump-start the $400 million project, which hasn’t progressed far since it was approved by the Boston Planning & Development Agency in 2016 while Core searched for investors and partners. In Samuels — a veteran Boston developer perhaps best known for its now-decadelong