Chantilly-based Long & Foster, the small real estate brokerage founded in 1968 that grew to become Greater Washington’s largest, has been acquired by HomeServices of America Inc., an affiliate of Berkshire Hathaway, the company announced Thursday afternoon.

The acquisition includes the companies under Long & Foster’s umbrella, including Long & Foster Real Estate and businesses in mortgage, settlement services, insurance and property management.

Financial terms of the deal were not disclosed.