Updated: Feb 05, 2026
Location and Projects
Address
125 EAST CT, Petaluma, CA, 94952
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Irving Diaz Construction
Irving Diaz Construction, 125 East Ct, Petaluma, CA (Owned by: Irving Diaz Calderon) holds a General Building license according to the California license board.
Their BuildZoom score of 95 ranks in the top 22% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Irving Diaz Construction, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Irving Diaz Construction Services
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Irving Diaz Construction Contact Information
Phone Number: (415) 233-1896
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Address: 125 EAST CT, Petaluma, CA 94952
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Building Permits by Irving Diaz Construction
This is a sample of this contractor's permits. Click here to access their complete permit history.
Residential only: mandatory seismic upgrade project for retrofit of soft story building per sf ord 66-13. sfebc ch 4d
Valuation:
$150,000
Permit #:
201706028335
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Kitchen remodel
Valuation:
N/A
Permit #:
B2306-090
Status:
final
Fee:
N/A
Permit Type:
Alter-sfd
Building Type:
N/A
Remodel: bathroom - express
Valuation:
$30,000
Permit #:
170953
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
Bathroom remodel
Valuation:
N/A
Permit #:
B2211-112
Status:
final
Fee:
N/A
Permit Type:
Alter-sfd
Building Type:
N/A
Commercial portion: mandatory seismic soft story upgrade per sfebc ch 4d
Valuation:
$50,000
Permit #:
201706028339
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
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Verified License
BuildZoom confirmed this contractor's license
Irving Diaz Construction License info
Verified License
| License # | 1020635 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Irving Diaz Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
95
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
Irving Diaz Construction Employees
IC
Irving Diaz Calderon
Owner