Updated: Mar 27, 2026
Location and Projects
Address
4021 MOZART DRIVE, El Sobrante, CA, 94803
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Yuen Alex plumbing
Yuen Alex plumbing at 4021 MOZART DRIVE, El Sobrante, CA 94803, held a Plumber license (#374823) with the California contractors license board with an expiration date of 04-30-2027. We last verified the license was inactive on 03-25-2026.
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.
Yuen Alex plumbing Services
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Yuen Alex plumbing Contact Information
Phone Number: (415) 298-5959
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Address: 4021 MOZART DRIVE, El Sobrante, CA 94803
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This is a sample of this contractor's permits. Click here to access their complete permit history.
960 & 960 a broadway - replace broken wasteline vent for toilet bathroom kitchen sink lavatory for 2 units
Valuation:
$0
Permit #:
PP20141010911
Status:
COMPLETE
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition one bathroom on 1st floor per plan remodel kitchen bathroom in kind on 2nd & 3rd floor
Valuation:
$0
Permit #:
PP20121101750
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition new bathroom on 3rd floork install shower lav toilet was and vent water supply
Valuation:
$0
Permit #:
PP20121101751
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remodel kitchen & bathroom. no structural work. minimum 50% of kitchen light watts be of fluorescent. provide exhaust fan. fluorescent light or manual on occupancy sensor in the bathroom
Valuation:
$30,600
Permit #:
200901079745
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Replace 1 water main service line from meter connect to house line
Valuation:
$0
Permit #:
PP20121015338
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Gro floor: remodeling of (e) first floor. install new waste vent gas water for new bathroom and washer and dryer
Valuation:
$0
Permit #:
PP20110318809
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
960 & 960 a broadway - replace broken wasteline vent for toilet bathroom kitchen sink lavatory for 2 units
Valuation:
N/A
Permit #:
PP20141010911
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition one bathroom on 1st floor per plan remodel kitchen bathroom in kind on 2nd & 3rd floor
Valuation:
N/A
Permit #:
PP20121101750
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition new bathroom on 3rd floork install shower lav toilet was and vent water supply
Valuation:
N/A
Permit #:
PP20121101751
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace 1 water main service line from meter connect to house line
Valuation:
N/A
Permit #:
PP20121015338
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remodeling at lower floor. install new waste & vent water sewer pump for (e) bathroom
Valuation:
$0
Permit #:
PP20110420596
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace leaking gas pipe
Valuation:
$0
Permit #:
PP20130221435
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace central heater & water heater water supply for install waste & vent for washing machine gas line for dryer. washing machine
Valuation:
N/A
Permit #:
344827
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace main sewer line. relocate the kitchen and install additional bathroom in the extension area. and gas line water and waste line
Valuation:
N/A
Permit #:
PP20110125609
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remodeling (e) kitchen water & vent water supply
Valuation:
$0
Permit #:
PP20110613797
Status:
COMPLETE
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install new waste and vent water supply for basement bathroom replace 1 ducted furnace connect to existing gas and flue
Valuation:
N/A
Permit #:
347526
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Ground floor: remodeling of (e) first floor. install new waste vent gas water for new bathroom and washer and dryer
Valuation:
N/A
Permit #:
PP20110318809
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remodeling kitchen and bathroom faucet and bathroom tub and fixtures
Valuation:
$0
Permit #:
PP20090518410
Status:
COMPLETED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition filtration system to domestic water supply @ building. shutoff
Valuation:
N/A
Permit #:
BLD1999-96242
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition one bedroomfull bathroom one laundry existing ground floor per floor water waste line vent and gas
Valuation:
N/A
Permit #:
445042
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Yuen Alex plumbing License info
Inactive License
| License # | 374823 |
| Status | Inactive |
| State | California |
| Type | Fire Protection, Plumbing |
| 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 Yuen Alex plumbing 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 Yuen Alex plumbing, click “This is My Business” to update your information.
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $15,000 |
100
Permits
- Building permit records show that Yuen Alex plumbing has worked on 100 permitted projects.
Yuen Alex plumbing Employees
AY
Alex Chi Ying Yuen
Sole Owner