Thomas Donald Callahan
ActiveCalifornia license 25854
License
- Licensed by
- California Board for Professional Engineers, Land Surveyors, and Geologists
- License number
- 25854
- Status
- Active
- First issued
- July 11, 2025
- Expires
- December 31, 2027
- License holder
- Thomas Donald Callahan
- Entity type
- Individual
Classifications
- Electrical Engineer Engineering, Architecture & Surveying
Contact
2547 Greenfield Ave
Los Angeles, CA 90064
Los Angeles, CA 90064
Los Angeles County