Henry Phipps Jr., was Andrew Carnegie’s partner in Carnegie Steel — has remained in the family since its construction, Mansion Global first reported. The seller is Howard’s son, Howard ...

and rumors of its sale to Mr. Carnegie have been frequent ever since the latter began to acquire the land on the north side of Ninety-first Street, at the rear of his mansion on the Fifth Avenue ...

This Florida property, originally christened by a member of the Carnegie family, can give you that ... The four-bedroom river-front mansion sits on 22 acres, boasts 22 foot ceilings, a billiard ...

Tucked away off a tree-lined block in the heart of Carnegie Hill lies the esteemed Carhart Mansion. Designed by Horace Trumbauer as a Louis XVI Parisian townhouse, it has been described as "one of ...