Updated: Jan 30, 2026
Location and Projects
Address
P O BOX 1832, San Gabriel, CA, 91778
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JIANJUAN YU Construction
JIANJUAN YU, San, Po Box 1832, San Gabriel, CA (Owned by: Jianjuan Yu) 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 JIANJUAN YU, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
JIANJUAN YU Services
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JIANJUAN YU Contact Information
Phone Number: (626) 817-1188
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Address: P O BOX 1832, San Gabriel, CA 91778
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JIANJUAN YU San Gabriel
Quality
94
76th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
JIANJUAN YU has a BuildZoom score of 94, which places them above 76% of 336,931 contractors in California.
Activity
|
1 project
|
2025 |
|
1 project
|
2024 |
Our building permit records indicate that JIANJUAN YU has worked on at least
2.0 projects over the past 2 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Pricing
|
1 project
|
$20k-$50k |
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Replace a bathroom sink faucet
Valuation:
N/A
Permit #:
25042-10000-10290
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Convert (e) bonus room to 1 bedroom& 1 full bathroom on 1/f
Valuation:
$38,000
Permit #:
202404049354
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
27 - 1 family dwe...
Cc: remove partition wall restore (e) to original restore hvac to original mspu 150 amp remove 200sf drywall
Valuation:
$2,500
Permit #:
202135
Status:
complete
Fee:
$190
Permit Type:
N/A
Building Type:
N/A
Cc: remove partition wall restore (e) to original restore hvac to original mspu 150 amp remove 200sf drywall
Valuation:
N/A
Permit #:
202134
Status:
complete
Fee:
$144
Permit Type:
N/A
Building Type:
N/A
Cc: remove partition wall restore (e) to original restore hvac to original mspu 150 amp remove 200sf drywall
Valuation:
N/A
Permit #:
202133
Status:
complete
Fee:
$291
Permit Type:
N/A
Building Type:
N/A
Cc: remove partition wall restore (e) to original restore hvac to original mspu 150 amp remove 200sf drywall
Valuation:
N/A
Permit #:
202132
Status:
complete
Fee:
$281
Permit Type:
N/A
Building Type:
N/A
Install a smoke detector in the kitchen
Valuation:
N/A
Permit #:
25041-10000-25310
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Remove illegle plumbing/legalize carport
Valuation:
$2,500
Permit #:
B1402-068
Status:
final
Fee:
$198
Permit Type:
Carport
Building Type:
N/A
Str 638 rand st
Valuation:
N/A
Permit #:
ST-2021-000148
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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JIANJUAN YU Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
JIANJUAN YU License info
Verified License
| License # | 944257 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for JIANJUAN YU 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 |
JIANJUAN YU Employees
JY
Jianjuan Yu
Sole Owner
JY
Jianjuan Yu
Owner