Laffey Associates in Greenvale recently celebrated the unofficial opening of its sales office for The Villa at Glen Cove, a planned 4-acre, 226-unit luxury condominium community surrounding Craft and Young avenues. Laffey is the exclusive listing agent for the Villa project. The sales office is located at 50 Glen St. in Glen Cove. Livingston Development Corp. will begin construction this fall on the $100 million project, which will adhere to “smart growth” principles. Prices will range from about $300,000 for a one-bedroom, one-bath condo to $800,000 for the three-bedroom, 2 ½-bath duplex with a private rooftop terrace.