The Real Deal analyzed office sales from Oct. 1, 2021, through October 2022, using New York City’s sales registry to determine the most expensive ones recorded over that period. Below are details on the top five, which totaled just over $2 billion.

The priciest was between ViacomCBS and Harbor Group International for 51 West 52nd Street, the 38-story tower known as Black Rock.

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About HGI

Harbor Group International (HGI) is a leading global real estate investment and management firm. With $20 billion1 in real estate investment properties, the firm invests in and manages diversified property portfolios including office, retail, and multifamily properties. With over 38 years of experience in the industry and approximately 1,400 employees worldwide, HGI continues to look for real estate investment opportunities.

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Harbor Group International controls $20 billion1 in real estate investments and is constantly exploring real estate investment opportunities in the worldwide market.