Updated: Jun 01, 2026
Location and Projects
Address
4011 BARRETT AVE, Richmond, CA, 94805
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Seng's Plumbing
Seng's Plumbing, 4011 Barrett Ave, Richmond, CA (Employees: Sengchanh Boonmanee and Sengchanh Boonmanee) holds a Plumbing 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 Seng's Plumbing, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Seng's Plumbing Services
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Seng's Plumbing Contact Information
Phone Number: (510) 695-7731
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Address: 4011 BARRETT AVE, Richmond, CA 94805
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Seng's Plumbing Richmond
Quality
94
76th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Seng's Plumbing has a BuildZoom score of 94, which places them above 76% of 336,931 contractors in California.
Activity
|
1 project
|
2024 |
Our building permit records indicate that Seng's Plumbing has worked on at least
1.0 project 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
|
< $5k |
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 the underground section of the gas line 407 olympus 6
Valuation:
$1,633
Permit #:
BIPL24-003739
Status:
issued
Fee:
$149
Permit Type:
N/A
Building Type:
N/A
Replace the underground section of the gas line 407 olympus #5
Valuation:
$1,633
Permit #:
BIPL24-003738
Status:
issued
Fee:
$149
Permit Type:
N/A
Building Type:
N/A
Replace underground section of the gas line 407 olympus 7
Valuation:
$1,633
Permit #:
BIPL24-003740
Status:
issued
Fee:
$149
Permit Type:
N/A
Building Type:
N/A
Potluck dinner with friends
Valuation:
$0
Permit #:
PKNG-10-22-57426
Status:
filed
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
Proposed foam letter wall sign 12' 1"x2' 8" to an existing hair & nail salon. zone is cc-5-3. neighborhood code violation
Valuation:
$0
Permit #:
67099
Status:
Completed
Fee:
N/A
Permit Type:
N/A
Building Type:
Signs - Permanent
Friends hanging out
Valuation:
N/A
Permit #:
PKNG-04-22-53989
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace water heater
Valuation:
$0
Permit #:
B2012-00243
Status:
Issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
12sf non-electric wall sign "beauty supply" cc-2-3
Valuation:
$0
Permit #:
117695
Status:
Completed
Fee:
N/A
Permit Type:
N/A
Building Type:
Signs - Permanent
Install pre fab spray booth
Valuation:
$35,000
Permit #:
B2008-04915
Status:
Closed Complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential 2 lights & 2 outlets
Valuation:
N/A
Permit #:
00121570-EBP
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Area 11a res- replace main braker
Valuation:
$130
Permit #:
MIS2007-02350
Status:
Finaled
Fee:
$86
Permit Type:
N/A
Building Type:
N/A
36x14 covered patio/r-acc
Valuation:
N/A
Permit #:
B16384
Status:
issued
Fee:
$214
Permit Type:
434
Building Type:
N/A
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Seng's Plumbing Reviews
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Verified License
BuildZoom confirmed this contractor's license
Seng's Plumbing License info
Verified License
| License # | 1040968 |
| Status | Active |
| State | California |
| Type | Plumbing |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Seng's Plumbing 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 | Western Surety Company |
| Bond Value | $15,000 |
8
Permits
- Building permit records show that Seng's Plumbing has worked on 8 permitted projects.
Seng's Plumbing Employees
SB
Sengchanh Boonmanee
Sole Owner
SB
Sengchanh Boonmanee
Sole Owner