Updated: Jul 02, 2026
Location and Projects
Address
P O BOX 495, Livermore, CA, 94551
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E3 Plumbing
E3 Plumbing, Livermore, Po Box 495, Livermore, CA (Employee: Elwood Joseph Mello Iii) holds a Plumbing license according to the California license board.
Their BuildZoom score of 92 ranks in the top 32% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring E3 Plumbing, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
E3 Plumbing Services
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E3 Plumbing Contact Information
Phone Number: (925) 784-9906
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Address: P O BOX 495, Livermore, CA 94551
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Replace sewer lateral and install one way cleanouts at property line and house (units 1420 & 1426)
Valuation:
$1,500
Permit #:
P190190
Status:
final
Fee:
$225
Permit Type:
Add/alt single fa...
Building Type:
N/A
Install one-way abs property line cleanout behind sidewalk per city standard detail s5-a
Valuation:
$1,500
Permit #:
P190062
Status:
final
Fee:
$225
Permit Type:
Add/alt single fa...
Building Type:
N/A
Replace shower enclosure in master bathroom. replace shower pan shower valve and tile with cultured marble
Valuation:
$5,000
Permit #:
D180352
Status:
final
Fee:
$543
Permit Type:
Add/alter single ...
Building Type:
N/A
Install sewer lateral for future hook up to city sewer (no fee permit)
Valuation:
$1,500
Permit #:
P190191
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Plumbing reroute approx 200 ft copper
Valuation:
$12,000
Permit #:
B19-0559
Status:
final
Fee:
$95
Permit Type:
N/A
Building Type:
N/A
Replace sewer lateral; install two way cast iron kelly cleanout at property line
Valuation:
$1,200
Permit #:
P150182
Status:
final
Fee:
$131
Permit Type:
Add/alt single fa...
Building Type:
N/A
Replace water line from meter to house and install two-way kelly cleanout per city standard detail s5-a
Valuation:
$4,000
Permit #:
P150057
Status:
final
Fee:
$254
Permit Type:
Add/alt single fa...
Building Type:
N/A
Sewer line replacement and install two way cast iron kelly clean-out
Valuation:
$8,000
Permit #:
P160255
Status:
final
Fee:
$131
Permit Type:
Add/alt single fa...
Building Type:
N/A
Plumbing install two-way kelly cleanout per city standard detail s5-a
Valuation:
N/A
Permit #:
P150078
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install two-way kelly cleanout per city standard detail s5-a
Valuation:
$1,500
Permit #:
P150078
Status:
issued
Fee:
$131
Permit Type:
N/A
Building Type:
N/A
Replace water service line from meter to house
Valuation:
$1,500
Permit #:
P150079
Status:
expired
Fee:
$162
Permit Type:
Add/alt single fa...
Building Type:
N/A
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Verified License
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E3 Plumbing License info
Verified License
| License # | 994335 |
| Status | Active |
| State | California |
| Type | Plumbing |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for E3 Plumbing at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
92
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
10
Permits
- Building permit records show that E3 Plumbing has worked on 10 permitted projects.
E3 Plumbing Employees
EI
Elwood Joseph Mello Iii
Sole Owner