John Robert Helliwell
ActiveCalifornia license 26547
License
- Licensed by
- California Board for Professional Engineers, Land Surveyors, and Geologists
- License number
- 26547
- Status
- Active
- First issued
- March 10, 1976
- Expires
- March 31, 2028
- License holder
- John Robert Helliwell
- Entity type
- Individual
Classifications
- Civil Engineer Engineering, Architecture & Surveying
Contact
3227 Sunburst Pl
Thousand Oaks, CA 91360
Thousand Oaks, CA 91360
Ventura County