Updated: May 18, 2026
Location and Projects
Address
4338 SHAMROCK WAY, Castro Valley, CA, 94546
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K 1 Progeneral Roofing Co
Their BuildZoom score of 0 does not rank in the top 50% of California contractors.
If you are thinking of hiring K 1 Progeneral Roofing Co, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
K 1 Progeneral Roofing Co Contact Information
Phone Number: (415) 822-2770
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Address: 4338 SHAMROCK WAY, Castro Valley, CA 94546
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Building Permits by K 1 Progeneral Roofing Co
This is a sample of this contractor's permits. Click here to access their complete permit history.
Reroofing
Valuation:
$13,950
Permit #:
201705045734
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Reroofing
Valuation:
$13,950
Permit #:
201705045734
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Tear off tile roof and install gaf timberline comp./cool roof exception r-4 or greater insulation above the roof deck
Valuation:
$6,900
Permit #:
B15-0314
Status:
final
Fee:
$142
Permit Type:
N/A
Building Type:
N/A
Reroof: tear off roofing. install app-t base sheet install gta modified bituman system
Valuation:
$9,500
Permit #:
201507141467
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Reroofing
Valuation:
$1,318,330
Permit #:
201511243437
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Reroof: remove & replace comparable shingles. 20sqs
Valuation:
N/A
Permit #:
BLD2015-03906
Status:
PERMIT ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Reroofing n/a maher ord. # 155-13
Valuation:
$18,000
Permit #:
201508043274
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
American best in/reroof tear off to bitumen membrane 90sq
Valuation:
N/A
Permit #:
B15-0870
Status:
final
Fee:
$995
Permit Type:
Commercial
Building Type:
N/A
Reroofing
Valuation:
$60,000
Permit #:
201607293772
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
10 - office
Reroofing
Valuation:
$62,000
Permit #:
201604134712
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
25 - tourist hote...
Reroofing
Valuation:
$1,318,330
Permit #:
201511243437
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Reroofing
Valuation:
$25,000
Permit #:
201602189916
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Reroofing
Valuation:
$31,200
Permit #:
201511062001
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Reroofing
Valuation:
$18,950
Permit #:
201702229906
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Re-roofing
Valuation:
$15,000
Permit #:
201612286076
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Unit 3: reroofing
Valuation:
$10,000
Permit #:
201612054176
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Re-roofing
Valuation:
$15,000
Permit #:
201610251114
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Reroofing
Valuation:
$20,000
Permit #:
201610180615
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Reroofing
Valuation:
$15,500
Permit #:
201606200417
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
28 - 2 family dwe...
Reroofing
Valuation:
$19,000
Permit #:
201608296258
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
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K 1 Progeneral Roofing Co Reviews
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K 1 Progeneral Roofing Co License info
License Not Verified
| License # | 712328 |
| Status | Active |
| State | California |
| Business Type | Sole Ownership |
- When BuildZoom last verified this license, it had an expiration date of September, 2023. Check the current license status of K 1 Progeneral Roofing Co with the California Contractors State License Board
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 712328 |
| Status | Inactive |
| State | California |
| Type | Roofing |
| Business Type | Sole Ownership |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for K 1 Progeneral Roofing Co at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
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BuildZoom Score
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- *No active license on file. If you are K 1 Progeneral Roofing Co, click “This is My Business” to update your information.
Bonded
| Bonded Agent | State National Insurance Company Inc |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
87
Permits
- Building permit records show that K 1 Progeneral Roofing Co has worked on 87 permitted projects.
K 1 Progeneral Roofing Co Employees
JK
James Yong Kang
Sole Owner