Updated: Nov 04, 2025
Location and Projects
Address
Orange, CA, 92867
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Cao, Henry Viet HVAC/Mechanical Contractor
Cao, Henry Viet, holds a license according to the California license board.
Their BuildZoom score of 0 does not rank in the top 50% of California contractors.
BuildZoom has not verified this license since its expiration date. If you are thinking of hiring Cao, Henry Viet, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Cao, Henry Viet Contact Information
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Cao, Henry Viet
Quality
Alert*
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
*No active license on file. If you are Cao, Henry Viet, click “This is My Business” to update your information.
Activity
|
5 projects
|
2025 |
|
5 projects
|
2024 |
|
4 projects
|
2023 |
Our building permit records indicate that Cao, Henry Viet has worked on at least
14.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
10 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that Cao, Henry Viet mostly works on
hvac project
projects.
Pricing
|
1 project
|
$1mil+ |
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
This is a sample of this contractor's permits. Click here to access their complete permit history.
General hvac. work includes product conveying ventilation
Valuation:
$30,605,641
Permit #:
18044-10000-08950
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
New hvac system for apartment bldg; building b. 481 units + 1 model residential. 5-story residential over on-grade and 1-story amenity spaces
Valuation:
N/A
Permit #:
19044-10000-01597
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Potable water waste/vent medium pressure gas and rain water drains with (2) sump pumps. 6 domestic water meter and 6 rp backflow device
Valuation:
N/A
Permit #:
19042-10000-27929
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Revision to previously approved plans. addition of pool heaters. plan check for combustion air and product conveying exhaust
Valuation:
N/A
Permit #:
19044-10002-01595
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install new hvac system including a garage ventilation system
Valuation:
N/A
Permit #:
21044-10000-01145
Status:
plancheck
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Potable water with booster pump waste/vent with sewage ejectors rainwater with sump pumps and medium pressure gas. 6 water meter with backflow device
Valuation:
N/A
Permit #:
21042-10000-34606
Status:
plancheck
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Plan check only. due to lost plans. permit under 17042-20000-26057. original description: potable water waste/vent and low pressure gas for 1st floor only of new 4 story apartment. 2nd 3rd and 4th floors to be state approved. new 3 inch domestic meter backflow required. sub-meter for each unit
Valuation:
N/A
Permit #:
17042-10002-26057
Status:
approved
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Installation of potable water system for 3 story 15 unit apartment building. 2 water meter no backflow device
Valuation:
$1,800,000
Permit #:
17042-10000-25454
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Installation of potable water system for 3-story apartment with recreation/community room. 2 water meter for residential units and 1 water meter for rec room no backflow device
Valuation:
$1,876,545
Permit #:
17042-10000-25450
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Installation of potable water system for 3-story apartment with recreation/community room. 2 water meter for apartment and 1 water meter for rec room no backflow device
Valuation:
$1,876,545
Permit #:
17042-10000-25446
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Supplemental to 19044-10000-01601 to change address from 11950 n erwin st to 11950 w erwin st
Valuation:
N/A
Permit #:
19044-10001-01601
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Potable water waste and vent storm water. 6 water meter & 6 reduced pressure backflow device; pressure reducing station & 3/4-inch sub-meters. see application comment
Valuation:
N/A
Permit #:
25042-20000-15077
Status:
triage
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Change to an approved set change under rfi-68. change include adding and relocating efs only. the unit legend has been revised to show the smoke detector locations for referance only. original pc new 4-story 200 room student housing building over 1-level subterranean parking. full plan check for power and energy. building permit #18010-10000-
Valuation:
N/A
Permit #:
18041-10001-24928
Status:
approved
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Installation of potable water system for 3 story 3 unit apartment building. 2 water meter no backflow device
Valuation:
$513,760
Permit #:
17042-10000-25436
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Installation of potable water system for 3-story 14 unit apartment (bldg e1). 2 water meter no backflow device
Valuation:
$1,485,000
Permit #:
17042-10000-25451
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Installation of potable water system for 3 story 10 unit apartment building. 2 water meter no backflow device
Valuation:
$1,315,710
Permit #:
17042-10000-25439
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Installation of potable water system for 3 story 15 unit apartment building. 2 water meter no backflow device
Valuation:
$1,800,000
Permit #:
17042-10000-25457
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Installation of potable water system for 3 story apartment building. 2 water meter no backflow device
Valuation:
$1,606,800
Permit #:
17042-10000-25443
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Installation of potable water system for 3 story 3 unit apartment building. 2 water meter no backflow
Valuation:
$513,760
Permit #:
17042-10000-25434
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Installation of potable water system for 3 story apartment building. 2 water meter no backflow device
Valuation:
$1,929,200
Permit #:
17042-10000-25441
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
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Cao, Henry Viet License info
License Not Verified
| License # | 34354 |
| Status | Active |
- BuildZoom has not yet reviewed this license for verification.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 34354 |
| Status | Active |
- BuildZoom has not yet reviewed this license for verification.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 34354 |
| Status | Active |
| State | California |
- When BuildZoom last verified this license, it had an expiration date of December, 2020. Check the current license status of Cao, Henry Viet with the California Architect License Board
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
- How the BuildZoom Score works
- *No active license on file. If you are Cao, Henry Viet, click “This is My Business” to update your information.
153
Permits
- Building permit records show that Cao, Henry Viet has worked on 153 permitted projects.