Updated: Feb 21, 2026
Location and Projects
Address
2521 MAXON RD, El Monte, CA, 91732
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Atp plumbing Inc
Atp plumbing Inc, 2521 Maxon Rd, El Monte, CA (Employee: Mario Arnoldo Maldonado Ramos) holds a Plumbing license according to the California license board.
Their BuildZoom score of 95 ranks in the top 22% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Atp plumbing Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Atp plumbing Inc Services
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Atp plumbing Inc Contact Information
Phone Number: (213) 440-6539
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Address: 2521 MAXON RD, El Monte, CA 91732
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Atp plumbing Inc El Monte
Quality
95
78th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Atp plumbing Inc has a BuildZoom score of 95, which places them above 78% of 336,931 contractors in California.
Activity
|
1 project
|
2025 |
Our building permit records indicate that Atp plumbing Inc has worked on at least
1.0 project over the past year.
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
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.
Plumbing (scope for new sewer main line only changed location all within private property line) new detached adu - 800 sf - 2 bedroom 1 full bathroom. plan was originaly approved by cristina teodorescu. all clearances are approved per 20-4097. mechanical electrical and plumbing permits are to be obtained separately. revision 1/11/24 foundation revised from cmu to concrete
Valuation:
$20,000
Permit #:
PLM-2024-00666
Status:
expired
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Atp plumbing Inc License info
Verified License
| License # | 1114863 |
| Status | Active |
| State | California |
| Type | Plumbing |
| Business Type | Corporation |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Atp plumbing Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
95
BuildZoom Score
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $25,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
Atp plumbing Inc Employees
MR
Mario Arnoldo Maldonado Ramos
Rmo / Ceo / Pres