Sempra headquarters details
San Diego, California, United States
San Diego
California
92134
United States
1998
Location map
Open in Google MapsAll Sempra office locations
| City | State / region | Country | Type |
|---|---|---|---|
| San Diego HQ | California | United States | Headquarters |
About Sempra
Sempra (New York Stock Exchange (NYSE): SRE) is headquartered in San Diego, California, United States. Founded in 1998, the company operates across 6 countries with approximately 20,000 employees worldwide.
Where is Sempra's main office?
Sempra's main headquarters office is located at San Diego, California, United States, San Diego, California 92134. This serves as the company's primary corporate address and is home to its executive leadership team.
Sempra regional offices
Beyond its headquarters in San Diego, Sempra maintains 84 offices across 6 countries. Regional offices span 6 countries.
Sempra contact information
The main switchboard for Sempra headquarters can be reached at 1-619-696-2000. For investor relations, visit sempra.com/investor-relations.
What does Sempra do?
Sempra is a North American public utility holding company based in San Diego, California. The company is one of the largest utility holding companies in the United States with nearly 40 million consumers. Sempra's focus is on electric and natural gas infrastructure and its operating companies include: Southern California Gas Company (SoCalGas) and San Diego Gas & Electric (SDGE) in Southern California; Oncor Electric Delivery Company in Texas; and Sempra Infrastructure, with offices in California and Texas.
Frequently asked questions
Where is Sempra headquarters?
Sempra's headquarters is located at San Diego, California, United States, San Diego, California 92134, United States.
How many offices does Sempra have?
Sempra operates 84 offices across 6 countries as of 2026.
What is Sempra's corporate address?
The official corporate address is San Diego, California, United States, San Diego, California 92134.
When was Sempra founded?
Sempra was founded in 1998 and has grown to employ approximately 20,000 people worldwide.
What is Sempra's phone number?
The main phone number for Sempra headquarters is 1-619-696-2000.