Updated: May 26, 2026
Location and Projects
Address
10311 JENNRICH, Garden Grove, CA, 92843
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United Plumbing Incorporation
United Plumbing Incorporation, 10311 Jennrich, Garden Grove, CA (Owned by: Fredi Hamias) holds a Plumbing license and 4 other licenses according to the California license board.
Their BuildZoom score of 93 ranks in the top 27% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring United Plumbing Incorporation, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
United Plumbing Incorporation Services
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United Plumbing Incorporation Contact Information
Phone Number: (626) 279-2477
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Address: 10311 JENNRICH, Garden Grove, CA 92843
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Building Permits by United Plumbing Incorporation
This is a sample of this contractor's permits. Click here to access their complete permit history.
Tenant improvement for panda express. underground plumbing new floor sinks/drains vent system water distribution for new equipment. 2 tankless water heaters
Valuation:
N/A
Permit #:
22042-10000-09456
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Water heater for marugame udon
Valuation:
N/A
Permit #:
Plum-22-2376
Status:
issued
Fee:
$83
Permit Type:
N/A
Building Type:
N/A
Supplemental permit for grease interceptor floor sinks mop sink and food sinks plan checked under b201602219
Valuation:
N/A
Permit #:
B201904164
Status:
issued
Fee:
$202
Permit Type:
N/A
Building Type:
N/A
Re-locate (e) hand sink approx. 4 ft & r/r electrical. water heater***bomburger*** (per fb no plans req'd.) entered by: floresa
Valuation:
N/A
Permit #:
P2019-005525
Status:
final
Fee:
$118
Permit Type:
N/A
Building Type:
N/A
Pex repipe entire single family residence
Valuation:
N/A
Permit #:
PLM19-01434
Status:
complete
Fee:
$104
Permit Type:
N/A
Building Type:
N/A
Plumbing for dedicated gas line from meter to laundry room
Valuation:
N/A
Permit #:
BLD2019-05263
Status:
final
Fee:
N/A
Permit Type:
Residential remodel
Building Type:
N/A
Plumbing for removing abandoned gas line & install (n) 2 gas line. ***vacant*** entered by: woom
Valuation:
N/A
Permit #:
P2019-005173
Status:
final
Fee:
$150
Permit Type:
N/A
Building Type:
N/A
(after the fact) change out water heater 40gal
Valuation:
N/A
Permit #:
19-1254
Status:
final
Fee:
$210
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
21-48/000 000 WH 00
Status:
issued
Fee:
$53
Permit Type:
Water heater
Building Type:
Rpd 10 units per ...
Change out water heater 40gal
Valuation:
N/A
Permit #:
19-1557
Status:
final
Fee:
$210
Permit Type:
N/A
Building Type:
N/A
Change out water heater 40gal (after the fact permit)
Valuation:
N/A
Permit #:
18-3159
Status:
final
Fee:
$210
Permit Type:
N/A
Building Type:
N/A
Pex re-pipe (200lf)
Valuation:
N/A
Permit #:
19-1714
Status:
expired
Fee:
$220
Permit Type:
N/A
Building Type:
N/A
Electrical. for r/r water heater***bomburger*** entered by: floresa
Valuation:
N/A
Permit #:
E2019-005526
Status:
final
Fee:
$76
Permit Type:
N/A
Building Type:
N/A
Supplemental permit to 11042-10000-22243 11042-10001-22243 11042-10002-22243 & 11042-10003-22243 to change address from 9053 n. reseda blvd. to 9035-9043 n. reseda blvd. & addition (1) new back flow device
Valuation:
N/A
Permit #:
11042-10004-22243
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental permit#16042-10000-19326 to addition (1) earthquake valve (1) backwater valve
Valuation:
N/A
Permit #:
16042-10002-19326
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Remove and replace existing fixtures(replace toilet flange)
Valuation:
N/A
Permit #:
15042-10000-17656
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Change in contractors per owner - plumbing for new single family residence
Valuation:
N/A
Permit #:
1704210015
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Plumbing to re-pipe 8 units with copper work done without permit. ref:inv2018-00327
Valuation:
N/A
Permit #:
BLD2018-02985
Status:
final
Fee:
N/A
Permit Type:
Residential remodel
Building Type:
N/A
Aa: gas line replacement repair or new leg 240 l.f
Valuation:
$4,255
Permit #:
BP16-02902
Status:
issued
Fee:
$222
Permit Type:
N/A
Building Type:
N/A
Relocate (e) water heater and move from garage to outside
Valuation:
N/A
Permit #:
14-1858
Status:
final
Fee:
$80
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
United Plumbing Incorporation License info
Verified License
| License # | 968067 |
| Status | Active |
| State | California |
| Type | Plumbing |
| Business Type | Corporation, Sole Ownership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for United Plumbing Incorporation at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 881566 |
| Status | Active |
| State | California |
| Type | Plumbing |
| Business Type | Corporation, Sole Ownership |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for United Plumbing Incorporation at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 886293 |
| Status | Active |
| State | California |
| Type | Plumbing |
| Business Type | Corporation, Sole Ownership |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for United Plumbing Incorporation at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 968067 |
| Status | Inactive |
| City | Oceanside |
| Type | Contractor |
| Business Type | Corporation, Sole Ownership |
- According to the City of Oceanside, CA, 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 United Plumbing Incorporation at the City of Oceanside, CA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 354025 |
| Status | Inactive |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning, Plumbing |
| Business Type | Corporation, 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 United Plumbing Incorporation at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Insurance Company Of The West |
120
Permits
- Building permit records show that United Plumbing Incorporation has worked on 120 permitted projects.
United Plumbing Incorporation Employees
FH
Fredi Hamias
Owner
JP
Johnny Phan
Sole Owner
JP
Johnny Phan
Sole Owner
PM
Paul J Moore
Sole Owner
PJ
Paul John Moore Jr
Rmo / Ceo / Pres