Updated: Jun 01, 2026
Location and Projects
Address
12106 Park St, Cerritos, CA, 90703
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O.A.T., Inc. dba. Olympic Air Tech Photos
O.A.T., Inc. dba. Olympic Air Tech HVAC/Mechanical Contractor
O.A.T., Inc. dba. Olympic Air Tech, 12106 Park St, Cerritos, CA (Owned by: DAVID S HWANG, DAVID SUN HWANG) holds a Warm Air Heating, Ventilating And Air Conditioning, Refrigeration license and 1 other license according to the California license board.
Their BuildZoom score of 98 ranks in the top 16% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring O.A.T., Inc. dba. Olympic Air Tech, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
O.A.T., Inc. dba. Olympic Air Tech Services
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O.A.T., Inc. dba. Olympic Air Tech Contact Information
Phone Number: (562) 802-3464
Address: 12106 Park St, Cerritos, CA 90703
Building Permits by O.A.T., Inc. dba. Olympic Air Tech
This is a sample of this contractor's permits. Click here to access their complete permit history.
Mechanical & electrical: install (2) 3-ton air conditioners (2) fau (attic & garage) (2) disconnects (13) ducts
Valuation:
N/A
Permit #:
BLD2017-00890
Status:
final
Fee:
N/A
Permit Type:
Residential remodel
Building Type:
N/A
Free standing open lattice patio cover w gas and electric in backyard
Valuation:
N/A
Permit #:
00696470-RRA
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install 12 water main in rightofway
Valuation:
$0
Permit #:
991003
Status:
FINALED
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
O.A.T., Inc. dba. Olympic Air Tech Reviews
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Verified License
BuildZoom confirmed this contractor's license
O.A.T., Inc. dba. Olympic Air Tech License info
Verified License
| License # | 1014679 |
| Status | Active |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning, Refrigeration |
| Business Type | S Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for O.A.T., Inc. dba. Olympic Air Tech at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 636037 |
| Status | Inactive |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning, Refrigeration |
| Business Type | S Corporation |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for O.A.T., Inc. dba. Olympic Air Tech at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
98
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Mid Century Insurance Company |
O.A.T., Inc. dba. Olympic Air Tech Employees
BH
Brian K Hwang
Rme
BH
Brian Kyu Hwang
Rmo / Ceo / Pres
DH
David S Hwang
Sole Owner
DH
DAVID S HWANG, DAVID SUN HWANG
Owner
DH
David Sun Hwang
Sole Owner
KH
Kyu Hak Hwang
Rmo/Ceo/Pres
YH
Yeon Hee Kim Hwang
Officer