Updated: Feb 07, 2026
Location and Projects
Address
5891 WINFIELD BLVD, San Jose, CA, 95123
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South Bay Air HVAC/Mechanical Contractor
South Bay Air, 5891 Winfield Blvd, San Jose, CA (Employee: Ross Anthony Stephan) holds a Warm Air Heating, Ventilating And Air Conditioning license according to the California license board.
Their BuildZoom score of 95 ranks in the top 22% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring South Bay Air, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
South Bay Air Contact Information
Phone Number: (408) 691-8578
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Address: 5891 WINFIELD BLVD, San Jose, CA 95123
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South Bay Air San Jose
Quality
95
78th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
South Bay Air has a BuildZoom score of 95, which places them above 78% of 336,931 contractors in California.
Activity
|
1 project
|
2025 |
Our building permit records indicate that South Bay Air has worked on at least
1.0 project over the past year.
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.
Pricing
|
1 project
|
$5k-$20k |
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.
Replacing gas furnace with heat pump system
Valuation:
$19,211
Permit #:
B25-3007
Status:
waiting on applicant response
Fee:
$1
Permit Type:
Mechanical
Building Type:
N/A
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South Bay Air Reviews
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Verified License
BuildZoom confirmed this contractor's license
South Bay Air License info
Verified License
| License # | 994080 |
| Status | Active |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for South Bay Air at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
95
BuildZoom Score
Insured
| Insurer | Contractors Bonding & Insurance Company |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $25,000 |
Insured
| Workers Comp Provider | Norguard Insurance Company |
South Bay Air Employees
RS
Ross Anthony Stephan
Sole Owner