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A Major Inflection Point at the Southern Avenue Metro: Why Petra Development’s “The Promise” Could Redefine the Corridor

Posted by Chris Colgan on November 18th, 2025

Source Credit: Reporting by Ana Lucía Murillo, Washington Business Journal (Nov. 5, 2025).
This post is written independently by Chris Colgan, providing strategic insight and market context.

For years, the area surrounding the Southern Avenue Metro station has been a transit-rich location with development potential that remained largely untapped. Now, that appears to be changing in a significant way.

Petra Development is advancing a massive mixed-use project known as The Promise, and if built as envisioned, it will likely become one of the most transformative infill developments in the Washington region in decades.

We’re talking: 1,500+ residential units, anchored retail, daycare, a grocery store, all positioned next to a Metro station that has…

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