Opensource headquarters details
- Street address
- 1098 Foster City Blvd suite
- City
- Foster City
- State / region
- California
- ZIP / postal code
- 94404-2300
- Country
- United States
- Phone
- +1 650 200 0506
- Founded
- 1995
- Website
- opensourceinc.com
Location map
Open in Google MapsAll Opensource office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Foster City HQ | California | United States | Headquarters |
Showing the headquarters of 14 recorded locations. See every location in GraphIQ →
About Opensource
Opensource is headquartered in Foster City, California, United States. Founded in 1995, the company has 14 recorded locations across 6+ countries and employs approximately 275 people worldwide.
Where is Opensource's main office?
Opensource's main headquarters office is located at 1098 Foster City Blvd suite, Foster City, California 94404-2300, United States. This is the company's primary corporate address.
Opensource regional offices
Beyond its headquarters in Foster City, Opensource has recorded locations in United States, France, India, Philippines, Singapore and United Kingdom.
Opensource contact information
The main switchboard for Opensource headquarters can be reached at +1 650 200 0506. Official website: opensourceinc.com.
What does Opensource do?
OpenSource CM designs web-based legal document analysis and management solutions that support the unique needs of law firms.
Frequently asked questions
Where is Opensource headquarters?
Opensource's headquarters is located at 1098 Foster City Blvd suite, Foster City, California 94404-2300, United States.
How many offices does Opensource have?
GraphIQ records 14 locations for Opensource across 6+ countries, as of October 2026.
What is Opensource's corporate address?
The corporate headquarters address is 1098 Foster City Blvd suite, Foster City, California 94404-2300, United States.
When was Opensource founded?
Opensource was founded in 1995 and employs approximately 275 people.
What is Opensource's phone number?
The main phone number for Opensource headquarters is +1 650 200 0506.
How many employees does Opensource have?
Opensource has approximately 275 employees (GraphIQ estimate, 2026).