Updated: Mar 01, 2026
Location and Projects
Address
P O BOX 8077, Fremont, CA, 94537
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Stephen Trettin Construction
Stephen Trettin, Fremont, Po Box 8077, Fremont, CA (Owned by: Stephen Eugene Trettin) holds a General Building license according to the California license board.
Their BuildZoom score of 94 ranks in the top 24% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Stephen Trettin, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Stephen Trettin Services
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Stephen Trettin Contact Information
Phone Number: (510) 651-2447
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Address: P O BOX 8077, Fremont, CA 94537
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Expedited 10, 5, 5- remodel existing manager's quarters to new food prep and dining area. upgrade lobby area. create new storage closet and computer station work area
Valuation:
$75,000
Permit #:
COM-1714415
Status:
complete
Fee:
$3,320
Permit Type:
N/A
Building Type:
N/A
Building - tear off existing comparable roof re-roof with approx 20 squares of comparable shingles minimum class c. (rgs)
Valuation:
N/A
Permit #:
BLD2016-08049
Status:
final
Fee:
$283
Permit Type:
N/A
Building Type:
N/A
Remodel master bathroom - remove tile from 3 walls in shower repair any damage re-tile. all trades.(rgs)
Valuation:
N/A
Permit #:
BLD2002-06266
Status:
final
Fee:
$162
Permit Type:
N/A
Building Type:
N/A
Expedited - revision to com-1714415 revised structural
Valuation:
N/A
Permit #:
COM-1718207
Status:
complete
Fee:
$234
Permit Type:
N/A
Building Type:
N/A
Building 126 sf addition interior renovation and remodel new windows doors and electrical 1/7/00 upgrade to 400 amp service
Valuation:
N/A
Permit #:
BLD2000-00540
Status:
final
Fee:
$1,722
Permit Type:
N/A
Building Type:
N/A
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Verified License
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Stephen Trettin License info
Verified License
| License # | 710778 |
| 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 Stephen Trettin at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
94
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Cypress Insurance Company |
Stephen Trettin Employees
ST
Stephen Eugene Trettin
Owner