Where is OpenAI headquartered?
OpenAI's headquarters is located at 1455 Third Street, San Francisco, California 94158, United States, as of July 2026. This is the company's primary office and main operational base. It is one of 4 tracked OpenAI locations worldwide.
Headquarters
Street1455 Third Street
CitySan Francisco
State / RegionCalifornia
Postal code94158
CountryUnited States
Offices & locations
| Type | City | Country |
|---|---|---|
| HQ | San Francisco, California | United States |
| Office | London | United Kingdom |
| Office | Dublin | Ireland |
| Office | Tokyo | Japan |
Where OpenAI's people are
EstimatedFAQ
Where is OpenAI headquartered?
OpenAI's headquarters is located at 1455 Third Street, San Francisco, California 94158, United States, as of July 2026. This is the registered head office where the company is primarily based.
In which city is OpenAI's headquarters?
OpenAI's headquarters is in San Francisco, California, United States. You can see the exact address and a map above.
How many offices does OpenAI have?
Beyond its San Francisco headquarters, OpenAI has tracked offices in London, Dublin, Tokyo (as of July 2026).