There is no headquarters, even the executive team is remote. Many of them live in the Bay Area (where Sid, our CEO moved) but our VP of Product, for instance, is in Portugal.
IThere is a boardroom dedicated to GitLab where board meetings happen. But even for each of those, there is a zoom bridge for remote executives to join: https://about.gitlab.com/company/visiting/
Nope, there's only Sids house in SF that has a few desks for when people want to visit _something_.