Updated: Apr 27, 2026
Location and Projects
Address
3416 SIERRA VISTA AVE, Glendale, CA, 91205
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Kc Air Tech HVAC/Mechanical Contractor
Kc Air Tech, 3416 Sierra Vista Ave, Glendale, CA (Owned by: Kyeong Young Choi) holds a Warm Air Heating, Ventilating And Air Conditioning license according to the California license board.
Their BuildZoom score of 80 does not rank in the top 50% of California contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Kc Air Tech, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Kc Air Tech Contact Information
Phone Number: (818) 522-2173
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Address: 3416 SIERRA VISTA AVE, Glendale, CA 91205
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Kc Air Tech Reviews
1 out of 5 stars, based on
2
reviews
-
By Kyu K.February 13, 2023house furnace repair$586
-
By WilliamMarch 2, 2013
bad service, bad work. use of undocumented workers.
This is a sample of this contractor's permits. Click here to access their complete permit history.
(1) kitchen microven 60 vent & (2) 800 btu/hr wall air conditioning
Valuation:
N/A
Permit #:
24044-10000-12885
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Ductless mini split heatpump unit
Valuation:
N/A
Permit #:
21044-10000-07684
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Air conditioning
Valuation:
N/A
Permit #:
18044-10000-14226
Status:
expired
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental to permit #14044-10000-01934 to addition (1) appliance vent listed and (1) gas outlet
Valuation:
N/A
Permit #:
14044-10001-01934
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Ductless mini split heatpump unit
Valuation:
N/A
Permit #:
21044-10000-07285
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Replace direct vent wall heater
Valuation:
N/A
Permit #:
14044-10000-01934
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Supplemental to permit# 07044-10001-05473 to addition on (2) duct type smoke detectors & (1) shutdown test
Valuation:
N/A
Permit #:
07044-10002-05473
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental permit - 1 bathroom exhaust fan and 1 air conditioning and dict dectector shut down tests
Valuation:
N/A
Permit #:
01044-20001-10597
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental to permit# 06044-10000-00485 to addition on (2) exhaust fans & (2) compressors
Valuation:
N/A
Permit #:
06044-10001-00485
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental to permit # 06044-10000-00485 for duct smoke detector test
Valuation:
N/A
Permit #:
06044-10002-00485
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Duct work for (8) outlets. (existing air conditioning unit) 1st floor. (night club)
Valuation:
N/A
Permit #:
05044-10000-13285
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental to permit # 07044-10000-05473 to addition inlets/outlets
Valuation:
N/A
Permit #:
07044-10001-05473
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Permit for inspection of existing laundry room hook ups
Valuation:
N/A
Permit #:
07044-10000-05634
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Install (4) bathroom exhaust fans & (3) registers
Valuation:
N/A
Permit #:
08044-10000-02623
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install split system ductwork gas line extension
Valuation:
N/A
Permit #:
03044-20000-08004
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Install (2) rooftop 4 ton package heat pump units
Valuation:
N/A
Permit #:
07044-10000-05473
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
30000 btu/hr heating unit wall heater (direct vent)
Valuation:
N/A
Permit #:
08044-10000-02436
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Install (2) bathroom and (2) attic ventilations
Valuation:
N/A
Permit #:
05044-10000-05200
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Ductwork only (1 system) 4 outlets and 1 inlet
Valuation:
N/A
Permit #:
01044-20000-10597
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install 5-ton (60, 000 btu) package unit on roof
Valuation:
N/A
Permit #:
02044-10000-06914
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Kc Air Tech License info
Verified License
| License # | 704044 |
| Status | Active |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Kc Air Tech at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
80
BuildZoom Score
Bonded
| Bonded Agent | Western Surety Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | This License Is Exempt From Having Workers Compensation Insurance They Certified That They Have No Employees At This Time. |
22
Permits
- Building permit records show that Kc Air Tech has worked on 22 permitted projects.
Kc Air Tech Employees
KC
Kyeong Young Choi
Owner
On 12/10/2023
I call K.C. for a furnace repair on my house.
He did not repair properly and the furnace stop working just in a week.
He charged for part replacement, which he did not replaced.
The next serviceman confirmed that no part of the furnace was replaced.
The second time he was at my house, he tried to fraud me.
He said, he changed the gas regulator but he did not. And tried to charge
$590 for a job he did not perform.
This guy is the worst of all