Updated: Jul 22, 2026
Location and Projects
Address
3104 ALTURA AVE, La Crescenta, CA, 91214
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Seunghyeog Yug HVAC/Mechanical Contractor
Seunghyeog Yug, 3104 Altura Ave, La Crescenta, CA (Employee: Seunghyeog Yug) holds a Warm Air Heating, Ventilating And Air Conditioning license and 1 other 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 Seunghyeog Yug, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Seunghyeog Yug Contact Information
Phone Number: (213) 598-5742
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Address: 3104 ALTURA AVE, La Crescenta, CA 91214
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Supplemental permit #17044-10000-12496 to change work description to (2) 5ton roof top unit (a/c) & (1) 3.5 ton split type a/c....no fee....dept error. comply with department order effective date 08/08/2017. permit will expire 30 days from issuance date
Valuation:
N/A
Permit #:
17044-10001-12496
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Air conditioning compressor (3)roof top unit (21) air inlet/outlet (1) 3.5 ton split type air conditioning comply with department order effective date 08/08/2017. permit will expire 30 days from issuance date
Valuation:
N/A
Permit #:
17044-10000-12496
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
17044-10000-07087
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Install 2 3.5 ton air conditioning unit with ducts work. comply with department order effective date 07/22/2016. permit will expire 30 days from issuance date
Valuation:
N/A
Permit #:
17044-10000-07087
Status:
expired
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Seunghyeog Yug License info
Verified License
| License # | 1100844 |
| Status | Active |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Seunghyeog Yug at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1027100 |
| 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 Seunghyeog Yug 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 | Western Surety Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Clear Spring Property & Casualty Company |
Seunghyeog Yug Employees
SY
Seunghyeog Yug
Sole Owner
SY
Seunghyeog Yug
Rmo / Ceo / Pres