Related Ross Buys Boca Raton North 40 Office Complex
The firm acquired the 380,823-square-foot office site at 5201 Congress Avenue for $64 million.
Updated on Oct. 20, 2026 in Commercial
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Related Ross purchased the North 40 office complex in Boca Raton for $64 million. The acquisition adds the 23-acre property to the developer's expanding Palm Beach County portfolio.
Why it matters
The investment supports a long-term strategic plan to transform Palm Beach County into a major regional business hub. This deal follows the firm's acquisition of the nearby BRiC office campus two months ago.
The North 40 complex, built in 1984, sits on 23 acres and is currently 74 percent occupied. The transaction was facilitated by JLL brokers representing the sellers, Mainstreet Capital Partners and Partners Group.
The players
Related Ross
This real estate development firm is actively pursuing a strategy to turn Palm Beach County into a significant business hub.
Mainstreet Capital Partners
This investment firm acted as one of the sellers of the North 40 office complex.
Partners Group
This global private markets firm served as a seller in the North 40 real estate transaction.
JLL
This global commercial real estate services company provided brokerage representation for the sellers.
The details
The transaction at 5201 Congress Avenue marks another step in Related Ross’s effort to consolidate professional office space in the area. This purchase complements the firm's earlier acquisition of the massive 124-acre BRiC campus, where plans include adding new retail and housing developments.
Timeline
1984: The North 40 office complex was constructed.
August 2026: Related Ross acquired the BRiC office campus.
October 2026: Related Ross acquired the North 40 office complex.
Culture Shift
The property's legacy as the birthplace of the IBM PC sets a high bar for redevelopment, contrasting with its current 74 percent occupancy rate. This acquisition follows that historic precedent by seeking to re-establish the area as a modern technology and business hub.
The transition of this large office complex into a potential mixed-use hub may alter local traffic patterns and increase the availability of retail services near Congress Avenue. Residents and local employees can expect long-term shifts in business activity as the developer integrates the new space with its broader regional holdings.
The takeaway
Large-scale commercial acquisitions by major developers often signal a shift in regional economic focus toward centralized business districts. Investors and residents should monitor future permit filings at the North 40 site to gauge the scale of upcoming retail and residential expansions.
Further reading
For more information on the local property market, visit the Boca Raton Commercial section.
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