Donatelli Development, Inc. (formerly Donatelli & Klein) is a privately owned corporation engaged in the acquisition, development and ownership of real estate. While Donatelli Development has had a financial interest in several industries, its primary emphasis has been in the real estate industry since its formation in 1973. The firm has successfully developed office buildings, apartment communities, shopping centers, industrial properties and residential subdivisions in metropolitan Washington, D.C. Donatelli Development's approach to its projects is to acquire, develop and manage properties for long-term ownership and growth. Its corporate philosophy is to maintain an entrepreneurial staff to carefully select new opportunities that maintain a healthy rate of growth. The company engages the services of experienced, outside consultants while maintaining a hands-on approach supervising the development of its projects.

Over the last 15 years, the company has delivered more than 2,500 housing units and 100,000 square feet of retail space. Retailers include sit-down and fast casual restaurants, banks, and other convenience establishments. Previously completed Donatelli Development projects within the District include Kenyon Square and Highland Park at the Columbia Heights Metro, Ellington and Harrison Square at the U Street Metro, and Park Place and Griffin at the GA Ave-Petworth Metro, as well as the garden style apartment communities Regatta Bay and Stone Point in Annapolis, Maryland. The company recently completed Park 7, a 376-unit project with street-level retail at the Minnesota Avenue Metro in Northeast, DC. In addition, three mixed-use buildings at the Stadium-Armory Metro, Fort Totten Metro, and Capitol Heights Metro station are in the planning stages.