Updated: May 01, 2026
Location and Projects
Address
809B CUESTA DRIVE #2142, Mountain View, CA, 94040
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Hy Construction
Hy Construction, 809 B Cuesta Dr, Mountain View, CA (Employees: Dae Hyun Yoo, Haibo Yu, and Suk Ku Kim) holds a General Building 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 Hy Construction, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Hy Construction Services
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Hy Construction Contact Information
Phone Number: (562) 802-8876
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Address: 809B CUESTA DRIVE #2142, Mountain View, CA 94040
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Remove and replace windows in existing building for conversion to condominiums. three units: a b c. window egress requirements will be verified by the inspector. work has been
Valuation:
$10,000
Permit #:
B06-01590
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Plumbing permit for unit a to replace 1 bathtub 1 shower 2 wash basins 1 water closet 1 kitchen sink 1 dishwasher 1 gas outlet (1-4)
Valuation:
N/A
Permit #:
P06-00284
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Plumbing permit for unit b to replace 1 bathtub 1 shower 2 wash basins 1 water closet 1 kitchen sink 1 dishwasher 1 gas outlet (1-4)
Valuation:
N/A
Permit #:
P05-00800
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Underground gas line and 4 outlets to connect to units a b and c
Valuation:
N/A
Permit #:
P06-00285
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install fire rated and sound proof over existing walls for future condominiums. ul# u305 u309 u340 u341 and u376
Valuation:
$3,000
Permit #:
B06-00816
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Mechanical permit for change-out of 1 fau < 100k btu for unit a. no other work authorized with this permit
Valuation:
N/A
Permit #:
M06-00210
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Mechanical permit for change-out of 1 fau < 100k btu. no other work authorized with this permit
Valuation:
N/A
Permit #:
M06-00421
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Mechanical permit for change-out of 1 fau < 100k btu. no other work authorized with this permit
Valuation:
N/A
Permit #:
M05-00614
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Hy Construction Reviews
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Verified License
BuildZoom confirmed this contractor's license
Hy Construction License info
Verified License
| License # | 1145570 |
| Status | Active |
| State | California |
| Type | General Building |
| Date Issued | 10-28-2025 |
| Business Type | Partnership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Hy Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 752894 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Partnership |
- 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 Hy Construction 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 | This License Filed A Contractor's Bond With |
| Bond Value | $12,500 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
Hy Construction Employees
DY
Dae Hyun Yoo
General Partner
HY
Haibo Yu
Sole Owner
SK
Suk Ku Kim
Qualify Partner