U.S. office performance is on a heater to start 2026, bolstered by strong leasing activity, improved asking rent growth and an uptick in office investment volume. Office leasing activity in the first half of the year hit 127.3M SF, the strongest leasing volume in the first six months of a year since 2019, according to a Savills reportThe first-half volume was 13% ahead of 2025, and the 66.1M SF of leasing activity in the second quarter was 9.1% above the quarterly average between 2017 and 2019. West Coast tech hubs San Francisco, Silicon Valley and Seattle all posted 34% or more year-over-year gains in leasing volume. Though office demand dropped to $18.7B in Q2 from $20.3B in Q1, first-half investment volume was still up 15% year-over-year, according to Savills. CBRE forecasts total office investment volume for the full year to increase by 16% in 2026.