HERNANDEZ ENGINEERING
This license is in good standing, but the workers’ compensation policy on file expired September 2026. If a worker is injured on your project without coverage, the liability can reach you as the homeowner. Ask for a current certificate of insurance before signing.
License
- Status
- CLEAR
- First issued
- November 23, 1998
- Reissued
- June 23, 2003
- Expires
- June 30, 2027
- Entity
- Corporation
- Address of record
- 1390 CARROLL AVE, San Francisco, CA 94124
- Phone of record
- (415) 824 4731
Contractor bond
- Surety
- HUDSON INSURANCE COMPANY
- Bond number
- 30026826
- Amount
- $25,000
- Effective
- January 1, 2023
Workers’ compensation
- Carrier
- AMERICAN CASUALTY COMPANY OF READING PA
- Policy number
- 8033806278
- Effective
- September 16, 2025
- Expires
- September 16, 2026lapsed
Are they licensed for your job?
A California contractor may only contract for work their classification covers. Pick the job and this reads the license on file against it.
Licensed to perform
A contractor may only contract for work within their classifications. See all 19 licensed construction zone traffic control contractors in San Francisco.
People on this license
| Name | Title | Since | Through |
|---|---|---|---|
| HERNANDEZ MARIANO DUENAS | Responsible Managing Officer | September 9, 2005 | Current |
| HERNANDEZ MARIANO DUENAS | Responsible Managing Officer/Chief Executive Officer/President | June 23, 2003 | January 1, 2004 |
| HERNANDEZ MARIANO DUENAS | Responsible Managing Officer/Chief Executive Officer/President | June 23, 2003 | September 9, 2005 |
| HERNANDEZ MARIANO DUENAS | Sole Owner | November 23, 1998 | June 23, 2003 |
| HERNANDEZ MARIANO DUENAS | Sole Owner | December 4, 2002 | June 23, 2003 |
Is this your license?
Claim this page to add your photos, description, service area and contact details. The state’s record above stays exactly as it is — claiming adds to a page, it never edits or hides anything the CSLB reports.
Source: California Contractors State License Board public records. Coverage lapse is evaluated against today’s date; all other fields reflect the latest weekly CSLB file. Confirm at the CSLB’s official record before signing a contract.