JBG Smith Properties (NYSE: JBGS) filed plans with Arlington County on Tuesday to redevelop a half-dozen buildings in Crystal City near where it is helping Amazon.com Inc. (NASDAQ: AMZN) establish its second headquarters.

The Chevy Chase-based developer wants to remake about 2.6 million square feet spread across five multifamily buildings and one office, plans JBG Smith teased more than two years ago in an interview with the Washington Business Journal. That was before JBG Smith became Amazon’s landlord and development partner, but the plans it filed Tuesday are apart from the space it has set aside for the e-commerce and cloud computing giant.

Among the properties the developer is now focusing on are: 2000 and 2001 S. Bell St., 223 23rd St., 2300 and 2525 Crystal Drive. All are within a half mile of the Crystal City Metro station and Amazon’s new headquarters and are part of the larger National Landing, an umbrella term that also includes Pentagon City and Potomac Yard that Amazon revealed with its HQ2 announcement last November.

Bryan Moll, an executive vice president at JBG Smith, said in a statement the newly submitted plans were designed to reinforce the goals of the county’s sector plan for Crystal City and to help “foster a vibrant, architecturally distinct 18-hour environment throughout National Landing.

“We look forward to working with the County to review and refine our proposals, which will significantly enhance the public’s experience at the street level and add a host of new housing and amenities for the community,” Moll said in his statement.

Tuesday’s submission comes nearly a year after the Arlington County Board approved another set of plans to feature a major infusion of new retail, an Alamo Drafthouse Cinema and undisclosed specialty grocer among those new offerings. The developer has also advanced plans to reshape other parts of Crystal City including an expansion of the RiverHouse apartments and the development of a pair of residential towers at 1900 Crystal Drive.