Updated: Apr 16, 2026
Location and Projects
Address
108 CREST AVENUE, Alamo, CA, 94507
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Wencon Development Construction
Wencon Development Inc at 108 CREST AVENUE, Alamo, CA 94507, held a General Contractor license (#673934) with the California contractors license board with an expiration date of 07-31-2013. We last verified the license was expired on 04-15-2026.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 336,931 California contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our project planner to be easily matched to qualified, licensed professionals in your area.
Wencon Development Inc Services
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Wencon Development Inc Contact Information
Phone Number: (925) 935-7861
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Address: 108 CREST AVENUE, Alamo, CA 94507
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Building Permits by Wencon Development Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Roof mounted (flushed) photovoltaic solar panels per plans 8-1-07 --- revision: clarification of electrical details & label requirements -- bdb **ok for mechanically fastened utility interactive backfed breaker not required as per nec 2005 model code by renewable energy concepts. approval letter in file copy faxed to contractor to have at job site at all times. approved jjc/kdd 8/02/07**
Valuation:
$1,200
Permit #:
BI399147
Status:
final
Fee:
$195
Permit Type:
N/A
Building Type:
N/A
Roof mounted (flushed) photovoltaic solar panels per plans **ok for use of metallic raceway as per nec 2005 model code by renewable energy concepts. approval letter in file copy faxed to contractor to have at job site at all times. approved jjc/kdd 12/04//07**
Valuation:
$1,200
Permit #:
BI399145
Status:
final
Fee:
$195
Permit Type:
N/A
Building Type:
N/A
Roof mounted (flushed) photovoltaic solar panels per plans 8-1-07 --- revision: clarification of electrical details & label requirements -- bdb **ok for mechanically fastened utility interactive backfed breaker not required as per nec 2005 model code by renewable energy concepts. approval letter in file copy faxed to contractor to have at job site at all times. approved jjc/kdd 8/02/07**
Valuation:
N/A
Permit #:
BI399147
Status:
final
Fee:
$195
Permit Type:
N/A
Building Type:
N/A
Roof mounted (flushed) photovoltaic solar panels per plans **ok for use of metallic raceway as per nec 2005 model code by renewable energy concepts. approval letter in file copy faxed to contractor to have at job site at all times. approved jjc/kdd 12/04//07**
Valuation:
N/A
Permit #:
BI399145
Status:
final
Fee:
$195
Permit Type:
N/A
Building Type:
N/A
New 2nd story addition with decks and access stairs, also remodel of first floor
Valuation:
$70,000
Permit #:
RB9502931
Status:
Final
Fee:
$3,073
Permit Type:
N/A
Building Type:
N/A
Permit value$1k install solar electric panels on roof of detached garage at single family dwelling
Valuation:
N/A
Permit #:
SE0602853
Status:
FINAL
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Permit value$9k kitchen upgrade. new cabinets new counters. paint electrical new sink & appliances
Valuation:
N/A
Permit #:
RB9401808
Status:
FINAL
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Kitchen upgrade. new cabinets new counters. paint electrical new sink & appliances
Valuation:
$9,000
Permit #:
RB9401808
Status:
Final
Fee:
$334
Permit Type:
N/A
Building Type:
N/A
Install new sink faucet and dishwasher in same locations using existing rough plumbing
Valuation:
N/A
Permit #:
RP9401015
Status:
FINAL
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install new sink faucet and dishwasher in same locations using existing rough plumbing
Valuation:
$0
Permit #:
RP9401015
Status:
Final
Fee:
$97
Permit Type:
N/A
Building Type:
N/A
Install solar electric system on roof mount rack 9.23v kwk air conditioning 4 cc sunnu boy 2500's
Valuation:
N/A
Permit #:
BI335341
Status:
final
Fee:
$165
Permit Type:
N/A
Building Type:
N/A
Rebuild garage as it was garage was destroyed by tree
Valuation:
$25,000
Permit #:
RB9401810
Status:
Final
Fee:
$481
Permit Type:
N/A
Building Type:
N/A
Solar electric system on replaced 6x12 trellis (12x18 roof area) at rear
Valuation:
$1,000
Permit #:
BP03001389
Status:
final
Fee:
$129
Permit Type:
N/A
Building Type:
N/A
Rewire kitchen and 100 amp upgrade of and final permit e9203756
Valuation:
N/A
Permit #:
RE9401314
Status:
FINAL
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install solar electric panels on roof of detached garage at sfd.
Valuation:
$1,001
Permit #:
SE0602853
Status:
final
Fee:
$207
Permit Type:
N/A
Building Type:
N/A
Rewire kitchen and 100 amp upgrade of and final permit e9203756
Valuation:
$0
Permit #:
RE9401314
Status:
Final
Fee:
$100
Permit Type:
N/A
Building Type:
N/A
Wiring of garage;5 outlets 4 lights 1 phone and 1 overhead door
Valuation:
$0
Permit #:
RE9401315
Status:
Final
Fee:
$42
Permit Type:
N/A
Building Type:
N/A
110 sq ft master bathroom extension and relocate bathroom fixtures
Valuation:
N/A
Permit #:
BI359805
Status:
final
Fee:
$738
Permit Type:
N/A
Building Type:
N/A
Install 4.8 kwh solar electric systems on pole mounted ground rack
Valuation:
N/A
Permit #:
BI335172
Status:
final
Fee:
$174
Permit Type:
N/A
Building Type:
N/A
2-1/2kw photovoltaic solar system mounted on roof
Valuation:
$22,000
Permit #:
BI377315
Status:
final
Fee:
$623
Permit Type:
N/A
Building Type:
N/A
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Wencon Development Inc Reviews
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Wencon Development Inc License info
Inactive License
| License # | 673934 |
| Status | Inactive |
| State | California |
| Type | General Building, Solar |
| Business Type | Corporation |
- 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 Wencon Development Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
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- *No active license on file. If you are Wencon Development Inc, click “This is My Business” to update your information.
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $12,500 |
Insured
| Workers Comp Provider | Employers Compensation Insurance Company |
38
Permits
- Building permit records show that Wencon Development Inc has worked on 38 permitted projects.
Wencon Development Inc Employees
CW
Claudia Hansen Wentworth
Officer
SW
Stuart Hazard Wentworth
Rmo / Ceo / Pres