activeSpaceX
SpaceX HQ — Hawthorne
Hawthorne, California, US · opened 2002
SpaceX has operated out of a repurposed Boeing factory in Hawthorne, CA since its founding in 2002. The 550,000 sq ft facility houses corporate headquarters, rocket manufacturing, and engineering. Falcon 9 and Dragon spacecraft are manufactured here. The Hawthorne campus is notable for its integration of offices and factory floor — engineers work directly alongside technicians. Elon Musk's personal office and the SpaceX war room are located here.
activeX
X (Twitter) HQ — 1355 Market St
San Francisco, California, US · opened 2012
Twitter's iconic San Francisco headquarters at 1355 Market Street was acquired by Elon Musk in October 2022 for $44 billion. Musk famously walked into the building carrying a sink ('let that sink in'). He immediately fired the executive team, cut roughly 75% of staff, and rebranded the company to 'X' in July 2023, replacing the blue bird logo with a black 'X'. The building serves as X's global HQ.
activeNeuralink
Neuralink HQ — Fremont
Fremont, California, US · opened 2016
Neuralink, co-founded by Musk in 2016, operates its primary research and production facility in Fremont, California — the same city as Tesla's main factory. The Fremont facility houses the surgical robot (R1), the N1 chip manufacturing line, and the neuroscience research team. Neuralink received FDA approval for human trials in 2023 and implanted its first human subject in January 2024. The facility has faced controversy over animal testing practices.
closedx-com-paypal
Original PayPal / X.com HQ — University Ave
Palo Alto, California, US · opened 1999
Elon Musk founded X.com at 394 University Avenue in Palo Alto in March 1999. X.com was an online financial services company that merged with Confinity (Peter Thiel's company) in March 2000 to form what eventually became PayPal. Musk was ousted as CEO in September 2000 while on his honeymoon, but retained a major stake. PayPal was sold to eBay in 2002 for $1.5 billion; Musk's share netted him ~$180 million.
activeTesla
Tesla HQ — Austin (Gigafactory Texas)
Austin, Texas, US · opened 2021
Tesla moved its corporate headquarters to Texas in late 2021, with formal ceremonies at the April 2022 Gigafactory Texas opening. The Austin HQ co-locates executive offices with production, embodying Musk's philosophy that leadership should be on the factory floor. Austin was chosen over Nashville as an alternative HQ site.
closed
Zip2 HQ — 390 Sherman Ave
Palo Alto, California, US · opened 1995
Zip2 Corporation was co-founded by Elon and Kimbal Musk in 1995 in Palo Alto. The company provided online city guide software to newspapers. At 390 Sherman Avenue (later confirmed addresses in Palo Alto), the Musk brothers famously slept in the office to save money. Compaq acquired Zip2 in February 1999 for $307 million in cash; Elon's 7% stake netted him approximately $22 million.
closedTeslaSolarCity
SolarCity HQ — Foster City
Foster City, California, US · opened 2006
SolarCity, co-founded by Elon Musk's cousins Lyndon and Peter Rive with Elon as chairman, operated its corporate headquarters in Foster City, California. SolarCity became the largest US residential solar installer. Tesla acquired SolarCity in 2016 for approximately $2.6 billion in an all-stock deal that was criticized as a bailout of a financially troubled company. Musk successfully defended the acquisition in Delaware court in 2022.
closedTesla
Tesla HQ — Deer Creek Road (former)
Palo Alto, California, US · opened 2010
Tesla's corporate headquarters from 2010 to 2021, located at 3500 Deer Creek Road in Palo Alto. The low-rise campus served as HQ during the company's hyper-growth phase including the Model S, X, and 3 launches. Elon Musk announced the HQ move to Austin in October 2021, citing California's high costs and bureaucratic drag.
activeBoring Co.
The Boring Company HQ — Pflugerville
Pflugerville, Texas, US · opened 2021
The Boring Company relocated its headquarters to Pflugerville, Texas (north of Austin) in 2021 as part of the broader Musk-empire Texas migration. The Pflugerville campus includes TBC's machine shop, Prufrock boring machine development facilities, and corporate offices. Elon Musk is based in Austin, making Pflugerville convenient for hands-on oversight.