Updated: Jun 01, 2026
Location and Projects
Address
P O BOX 7742, Stockton, CA, 95267
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Gn Plumbing
Gn Plumbing, Stockton, Po Box 7742, Stockton, CA (Employees: Deirdre Marie Niemeyer and Gregory Francis Niemeyer) holds a Plumbing license 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 Gn Plumbing, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Gn Plumbing Services
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Gn Plumbing Contact Information
Phone Number: (209) 227-5729
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Address: P O BOX 7742, Stockton, CA 95267
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Replace gas line to e ag building
Valuation:
N/A
Permit #:
BP-2102862
Status:
complete
Fee:
$120
Permit Type:
N/A
Building Type:
N/A
Replacing existing water heater
Valuation:
N/A
Permit #:
B20-03367
Status:
issued
Fee:
$137
Permit Type:
N/A
Building Type:
N/A
Replacing a existing water heater
Valuation:
N/A
Permit #:
B20-03416
Status:
issued
Fee:
$137
Permit Type:
N/A
Building Type:
N/A
Water heater replacement
Valuation:
N/A
Permit #:
B21-01089
Status:
final
Fee:
$137
Permit Type:
N/A
Building Type:
N/A
Water heater replacement
Valuation:
N/A
Permit #:
B21-01088
Status:
final
Fee:
$137
Permit Type:
N/A
Building Type:
N/A
Area 4 single family dwelling electrical service c/o
Valuation:
$500
Permit #:
MIS2005-02985
Status:
Finaled
Fee:
$83
Permit Type:
N/A
Building Type:
N/A
Lodi historical city hall; plumbing only mp2025-0117
Valuation:
N/A
Permit #:
B2025-2139
Status:
issued
Fee:
N/A
Permit Type:
Amusement
Building Type:
N/A
Replacing a existing water heater
Valuation:
N/A
Permit #:
AD21-00386
Status:
rejected
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Verified License
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Gn Plumbing License info
Verified License
| License # | 1040397 |
| Status | Active |
| State | California |
| Type | Plumbing |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Gn Plumbing 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 | Norguard Insurance Company |
Gn Plumbing Employees
DN
Deirdre Marie Niemeyer
Officer
GN
Gregory Francis Niemeyer
Rmo / Ceo / Pres