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1400 Key Boulevard: Figure 1

1400 Key Boulevard

Rosslyn

1400 Key Boulevard

Monday Properties has ambitious plan to transform a pair of vacant 1960s office buildings in Rosslyn into a major mixed-use development. The project — two 27-story residential towers with 831 total apartments at 1401 Wilson Boulevard and 1400 Key Boulevard — was approved by the Arlington County's Site Plan Review Committee. The broad strokes of the project remain consistent with what UrbanTurf first reported last August: a 300-foot Wilson Tower (South) with 506 units and roughly 11,900 square feet of ground-floor retail, and a 300-foot Key Tower (North) with 325 units anchored by a 17,004-square-foot grocery store. The unit mix skews heavily toward one-bedrooms, which make up just over 56% of the 831 total apartments, with two-bedrooms accounting for another 32%. Monday Properties is requesting a reduced residential parking ratio of 0.63 spaces per unit rather than the one-to-one ratio.

What?

Project type: Rental apartments

No. of units: 831

Types of units: One- and two-bedroom apartments

Amenities: 750 parking spaces

Website: www.arlingtoneconomicdevelopment.com 

Architect: Shalom Baranes Associates

Last updated: July 24th, 2026

Where?

Address: 1400 Key Boulevard
Arlington, VA  22209

When?

Status:Planned

First move-ins: 2023+

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