4.6 million square feet of office leases by U.S. law firms in Q1 2026 made it the sector’s second-strongest first quarter on record, extending four years of unusually strong demand.
44% of legal leases were expansions and less than one-quarter were downsizings, as firms paired AI spending with bigger premium offices rather than treating technology and space as trade-offs.
62% of law firms now actively use AI, up from 17% in 2023, and another 21% plan adoption; AI-related lateral hiring rose 68% in 2025 and 106% among associates.
93% of major law firms still require at least three in-office days a week, reinforcing demand for collaboration, training and client-facing space.
31% more space was leased over the past four quarters than in 2019, while an 86% drop in the office construction pipeline since 2020 is tightening supply in markets from New York and Washington to Atlanta and Dallas.
As AI promises peak efficiency, why are law firms leasing more office space now than ever before?
Will private equity's push into law firms accelerate innovation or ultimately compromise legal ethics and firm independence?
With courts stripping AI work of legal privilege, is the industry's tech investment putting client confidentiality at risk?
2026 Legal Office Market Report: Law Firms’ AI Investments Fuel Leasing, Talent, and Space Transformation
Overview
Law firms are leading the recovery of the U.S. office market, even as new lease deals dropped to their lowest in two years in early 2026. This decline follows a period of strong leasing activity and is seen as a temporary dip, with underlying demand remaining robust. At the same time, the overall office market is improving, shown by a significant reduction in total office inventory and rising rents. Law firms are driving this trend by investing in technology and modern office spaces, signaling confidence in the future of in-person, collaborative legal work.