CoStar Group published market analysis this week quantifying what family offices and institutional allocators have quietly repositioned for over the past eighteen months: data center real estate now absorbs the majority of new capital deployment across commercial property sectors, ending a forty-year run where office space anchored institutional portfolios. The research confirms annual capital flows into data center development and acquisition exceeded $100 billion in 2024, nearly double the $54 billion directed toward traditional office properties.

The report identifies three drivers. First, AI compute infrastructure requires physical footprint expansion at rates office space never approached—hyperscalers added 1.2 gigawatts of data center capacity in North America during Q4 2024 alone, equivalent to the power draw of 800,000 homes. Second, institutional investors repositioned away from urban office towers facing structural vacancy as remote work calcified into permanent operating models; office vacancy rates in primary markets now average 19.6 percent, the highest since CoStar began tracking the metric in 1990. Third, data center lease terms run 10 to 15 years with investment-grade credit tenants and contractual rent escalators tied to power costs, delivering yield profiles office space cannot match in current conditions.

This matters because the capital shift is structural, not cyclical. Office space represented 32 percent of institutional real estate allocations as recently as 2019; CoStar's analysis shows that figure contracted to 18 percent by year-end 2024, with the freed capital moving primarily into data centers (14 percent of allocations, up from 3 percent in 2019) and industrial logistics (28 percent, up from 21 percent). Family offices and endowments with legacy office exposure face a choice: hold assets now priced at 30 to 40 percent discounts to 2019 replacement cost, or redeploy into infrastructure that tenants will pay premium rents to access. The math is unforgiving. A Class A office tower in a secondary market generates $38 per square foot annually; a wholesale data center in the same metro commands $175 per square foot with half the tenant turnover risk.

Operators should track three follow-on developments. First, watch whether office-to-data-center conversions accelerate in Q1 2025; early engineering studies suggest fewer than 12 percent of existing office buildings possess the structural load capacity and power infrastructure for retrofit, meaning most stranded office assets remain stranded. Second, monitor whether hyperscaler lease commitments maintain their current 18-month forward visibility; any contraction signals AI capital expenditure is plateauing sooner than the market expects. Third, observe how insurance carriers price climate risk into data center underwriting as extreme weather events stress power grids; summer 2024 saw $1.8 billion in uninsured data center downtime losses, a figure that will migrate into lease structures.

CoStar's dataset confirms the simplest truth in commercial real estate: capital follows power, and power now flows through racks, not corner offices.