Seabrook, N.H. — BJ’s Wholesale Club will open a 90,000-square-foot store in Seabrook, approximately 50 miles north of Boston. The newly constructed building will be located on a 20-acre site on the crossroads of Interstate 95 and State Routes 107 and 1. The store will anchor several nearby parcels planned for future commercial development. Slated for delivery in 2021, the new store will be BJ’s seventh in the state. Waterstone Properties owns the development site.