Updated: Mar 21, 2026
Location and Projects
Address
5384 PALMYRA AVE SAN DIEGO CA, San Diego, CA, 92123
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Haffner Mechanical Systems
Haffner Mechanical Systems, 5384 Palmyra Ave, San Diego, CA (Employee: Andrew Scott Haffner) 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 Haffner Mechanical Systems, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Haffner Mechanical Systems Contact Information
Phone Number: (858) 775-1910
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Address: 5384 PALMYRA AVE SAN DIEGO CA, San Diego, CA 92123
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Building Permits by Haffner Mechanical Systems
This is a sample of this contractor's permits. Click here to access their complete permit history.
Repairing a gas leak after the meter going into the craw space
Valuation:
N/A
Permit #:
PMT-3229198
Status:
complete
Fee:
$381
Permit Type:
N/A
Building Type:
N/A
No-plan - nonresidential/multifamily - plumbing:null/null
Valuation:
N/A
Permit #:
PMT-3249510
Status:
complete
Fee:
$381
Permit Type:
N/A
Building Type:
N/A
No-plan - residential - combination mech/elec/plum
2021-06-10
(the permit is a commercial permit ) replace 2 toilets 2 lavatories 2 shower valves
Valuation:
N/A
Permit #:
PMT-3103996
Status:
issued
Fee:
$779
Permit Type:
N/A
Building Type:
N/A
Mid-city: eastern area. plumbing permit for gas line for extg apartment complex
Valuation:
N/A
Permit #:
2416487
Status:
issued
Fee:
$1,160
Permit Type:
N/A
Building Type:
N/A
Underground gas leak found by sdge. all pipes were repaired
Valuation:
N/A
Permit #:
PMT-3037624
Status:
complete
Fee:
$275
Permit Type:
N/A
Building Type:
N/A
Pex repipe & replace water heater
Valuation:
N/A
Permit #:
B21-0869
Status:
issued
Fee:
N/A
Permit Type:
Pex repipe
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Haffner Mechanical Systems License info
Verified License
| License # | 1023978 |
| Status | Active |
| State | California |
| Type | Plumbing |
| Business Type | Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Haffner Mechanical Systems 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 | Wesco Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Twin City Fire Insurance Company |
6
Permits
- Building permit records show that Haffner Mechanical Systems has worked on 6 permitted projects.
Haffner Mechanical Systems Employees
AH
Andrew Scott Haffner
Rmo / Ceo / Pres