Sempra headquarters details
- Street address
- 488 8th Avenue
- City
- San Diego
- State / region
- California
- ZIP / postal code
- 92101
- Country
- United States
- Phone
- +1 619 696 2000
- Founded
- 1998
- Website
- sempra.com
- Stock
- NYSE: SRE
Location map
Open in Google MapsAll Sempra office locations
| City | State / region | Country | Type |
|---|---|---|---|
| San Diego HQ | California | United States | Headquarters |
Showing the headquarters of 84 recorded locations. See every location in GraphIQ →
About Sempra
Sempra (NYSE: SRE) is headquartered in San Diego, California, United States. Founded in 1998, the company has 84 recorded locations across 6+ countries and employs approximately 20,000 people worldwide.
Where is Sempra's main office?
Sempra's main headquarters office is located at 488 8th Avenue, San Diego, California 92101, United States. This is the company's primary corporate address.
Sempra regional offices
Beyond its headquarters in San Diego, Sempra has recorded locations in United States, Argentina, Australia, Brazil, Canada and India.
Sempra contact information
The main switchboard for Sempra headquarters can be reached at +1 619 696 2000. Official website: sempra.com.
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.
Sempra competitors & similar companies
Frequently asked questions
Where is Sempra headquarters?
Sempra's headquarters is located at 488 8th Avenue, San Diego, California 92101, United States.
How many offices does Sempra have?
GraphIQ records 84 locations for Sempra across 6+ countries, as of October 2026.
What is Sempra's corporate address?
The corporate headquarters address is 488 8th Avenue, San Diego, California 92101, United States.
When was Sempra founded?
Sempra was founded in 1998 and employs approximately 20,000 people.
What is Sempra's phone number?
The main phone number for Sempra headquarters is +1 619 696 2000.
How many employees does Sempra have?
Sempra has approximately 20,000 employees (GraphIQ estimate, 2026).
Is Sempra a public company?
Yes. Sempra is publicly traded on NYSE under the ticker SRE.