Address: 2020 NE 163rd St. in North Miami Beach

Property type: This is a 31,145-square-foot, three-story office building constructed in 1968 on a 1.34-acre lot, according to the Miami-Dade County Property Appraiser's office.

Price: $6,000,000

Seller: Office 2020 LLC

Buyer: 2020 Office NMB LLC

Past sale: $4,200,000 in August 2008