"[9] Spencer and Julie Penrose purchased El Pomar, the Potter's wine cellar collection, and house furnishings in 1916 for $75,000 (equivalent to $2,100,000 in 2023)[1]: 8:14  near The Broadmoor, a resort that they had built following a European vacation.

[1]: 7:1  Furnishings purchased or built for the Penroses that remain in El Pomar include Vermont Corona and Belgian black marble, a rare Aeolian organ with ceiling decorations over vents that allowed organ music to drift throughout the house, secret doors that held a wine cellar in the library during Prohibition, and some furnishings.

[10]: 3–4 James Bell, who had been president of the National Association of Gardeners, was superintendent of El Pomar until his death in 1920.

[11] In 1944, following her husband's death in 1939, Julie Penrose moved out of El Pomar and into a penthouse suite at The Broadmoor.

[6][10]: 2  The foundation initiated a restoration of the estate in 1992 to be used as a conference center, while preserving the integrity of the original architecture.