San Francisco
Mar 16, 2026
OpenAI surges past 1M sf of offices in SF with latest Mission Bay lease
ChatGPT giant simultaneously growing in Silicon Valley
Sam Altman
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San Francisco
Mar 24, 2026
It’s official: OpenAI plants flag in Silicon Valley with 450K sf in Mountain View
Sam Altman-led tech giant continues to grow in SF while expanding into Bay Area
Seattle
Feb 5, 2026
Sam Altman’s OpenAI adds 223K sf to Seattle office footprint
Bellevue commanding high rents as AI firms continue growth