Halcyon House Sells for $28 Million. But to Whom? 
• January 15, 2026

Halcyon House, one of Washington’s most historic mansions at 3400-3410 Prospect St., N.W., has been sold for $28 million to a residential buyer. It is the highest price ever paid […]

Halcyon Nonprofit to Exit Halcyon House
• August 4, 2025

Halcyon, the nonprofit accelerator that has supported nearly 600 impact-driven entrepreneurs globally, announced July 29 that it will exit its historic Georgetown headquarters, Halcyon House, at 3400 Prospect St. NW, […]

New Life for Holy Rood Cemetery
• December 21, 2020

Holy Trinity Catholic Church and Georgetown University have recently completed the long-awaited restoration of this beautiful, sacred space, located on a hill above Georgetown.

Artifacts Hint at Halcyon House’s Past
• August 30, 2018

On Aug. 21, at the Georgetown Public Library, Jennifer Porter-Lupu, a doctoral student in anthropology at Northwestern University, presented a portion of what she had uncovered.