Updated: May 11, 2026
Location and Projects
Address
605 DISCOVERY BAY BLVD, Byron, CA, 94514
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Simcon Company Construction
Simcon Company, 605 Discovery Bay Blvd, Byron, CA (Employee: Jack Lee Simmons) holds a General Building license according to the California license board.
Their BuildZoom score of 92 ranks in the top 32% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Simcon Company, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Simcon Company Services
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Simcon Company Contact Information
Phone Number: (925) 640-2267
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Address: 605 DISCOVERY BAY BLVD, Byron, CA 94514
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Remove and replace shower tile and tub only due to dryrot @ walls. no other work included as part of this permit
Valuation:
N/A
Permit #:
BIRP13-000417
Status:
final
Fee:
$340
Permit Type:
N/A
Building Type:
N/A
Stucco front of garage new garage door. new facade peaked roof over entry new lights
Valuation:
$5,000
Permit #:
BIAL12-005274
Status:
final
Fee:
$402
Permit Type:
N/A
Building Type:
N/A
Replace boards on front and rear decks
Valuation:
N/A
Permit #:
BIMIR13-006813
Status:
final
Fee:
$255
Permit Type:
N/A
Building Type:
N/A
Repair 1 stud sheetrock & stucco due to damage from fiberglass car
Valuation:
N/A
Permit #:
BIRP11-005017
Status:
final
Fee:
$179
Permit Type:
N/A
Building Type:
N/A
Building/residential/ad/single family addition
1995-04-25
Adding floor for new room
Valuation:
N/A
Permit #:
BIAD0000199861
Status:
final
Fee:
$209
Permit Type:
N/A
Building Type:
N/A
Kitchen, bathroom repair
Valuation:
$2,500
Permit #:
BIRP0000170620
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Simcon Company License info
Verified License
| License # | 452419 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Simcon Company at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
92
BuildZoom Score
Bonded
| Bonded Agent | Nationwide Mutual Insurance Company |
| Bond Value | $15,000 |
Simcon Company Employees
JS
Jack Lee Simmons
Sole Owner