Updated: Dec 26, 2025
Location and Projects
Address
122 S ELECTRIC AVENUE, Alhambra, CA, 91801
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DAVID WEI DA TAM HVAC/Mechanical Contractor
DAVID WEI DA TAM at 122 S ELECTRIC AVENUE, Alhambra, CA 91801, held a HVAC/Mechanical Contractor license (#729019) with the California contractors license board with an expiration date of 10-31-2024. We last verified the license was expired on 12-25-2025.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 336,931 California contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our project planner to be easily matched to qualified, licensed professionals in your area.
DAVID WEI DA TAM Contact Information
Phone Number: (626) 831-3939
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Address: 122 S ELECTRIC AVENUE, Alhambra, CA 91801
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Replacing the existing broken air conditioning and heating system package unit with a new unit roof top
Valuation:
$0
Permit #:
M20-39689
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install two 4-ton heating and air conditioning systems for new single family dwelling
Valuation:
$0
Permit #:
M18-37111
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install two 3-ton and one 2-ton heating and cooling system for a new single family dwelling
Valuation:
$0
Permit #:
M17-34184
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install furance in attic & air conditioning unit at rear yard of single family residence not visible from street view
Valuation:
N/A
Permit #:
MEC2014-00117
Status:
final
Fee:
N/A
Permit Type:
Mechanical permit
Building Type:
N/A
Install hvac system and 12 ducts
Valuation:
N/A
Permit #:
1705220020
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Gasline for hvac system
Valuation:
N/A
Permit #:
1711150004
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Electrical for hvac system
Valuation:
N/A
Permit #:
1705220043
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace gas furnace and air conditioning. replace all ducts
Valuation:
N/A
Permit #:
1406180002
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Change out hvac & ducts. *carbon monoxide alarms/smoke alarms are required for this project per 2010 crc section r314/r315
Valuation:
N/A
Permit #:
B13-0060
Status:
final
Fee:
$191
Permit Type:
N/A
Building Type:
N/A
Change out hvac & ducts. *carbon monoxide alarms/smoke alarms are required for this project per 2010 crc section r314/r315
Valuation:
N/A
Permit #:
B13-0060
Status:
final
Fee:
$191
Permit Type:
N/A
Building Type:
N/A
Install central heating sys. for single family dwelling. (unit only) to comply w department order dated 05-19-2003. permit will expire 30 days from issuance date
Valuation:
N/A
Permit #:
03044-10000-12210
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
(e-plan) roof mounted photovoltaic system
Valuation:
N/A
Permit #:
00873904-RRA
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace gas furnace and air conditioning. replace all ducts
Valuation:
$0
Permit #:
ME1406180002
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Supplemental to permit #09044-10000-01549 to change address from 130 to 130 1/2 w. avenue 34
Valuation:
N/A
Permit #:
09044-10001-01549
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Suppl. permit to permit #05044-10000-08563 for kitchen and bathroom exhaust
Valuation:
N/A
Permit #:
05044-10001-08563
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Suppl. permit to permit #05044-10000-08564 for kitchen and bathroom exhaust
Valuation:
N/A
Permit #:
05044-10001-08564
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Install (2) 4 ton air conditioning units (electrical will be pulled by someone else)
Valuation:
N/A
Permit #:
98-05088
Status:
final
Fee:
N/A
Permit Type:
Mechanical permit
Building Type:
N/A
Legalization of 2 wall furnace for duplex 1275 & 1279 dorner dr
Valuation:
N/A
Permit #:
B11-0292
Status:
final
Fee:
$149
Permit Type:
N/A
Building Type:
N/A
Replace meter box to 200 amp & power supply to air conditioning outside unit
Valuation:
N/A
Permit #:
00041-10000-08916
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Replace gas furnace and air conditioning. replace all ducts
Valuation:
N/A
Permit #:
ME1406180002
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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DAVID WEI DA TAM License info
Inactive License
| License # | 729019 |
| Status | Inactive |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | 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 DAVID WEI DA TAM at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
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BuildZoom Score
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- *No active license on file. If you are DAVID WEI DA TAM, click “This is My Business” to update your information.
Bonded
| Bonded Agent | Hudson Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
41
Permits
- Building permit records show that DAVID WEI DA TAM has worked on 41 permitted projects.
DAVID WEI DA TAM Employees
DT
David Wei Da Tam
Owner