Updated: Jun 05, 2026
Location and Projects
Address
512 N AVALON BLVD, Wilmington, CA, 90744
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Urso Air Systems HVAC/Mechanical Contractor
Urso Air Systems, 512 N Avalon Blvd, Wilmington, CA (Employees: William Anthony Urso and William Joseph Urso) holds a Warm Air Heating, Ventilating And Air Conditioning license and 2 other licenses according to the California license board.
Their BuildZoom score of 117 ranks in the top 1% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Urso Air Systems, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Urso Air Systems Contact Information
Phone Number: (310) 308-2056
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Address: 512 N AVALON BLVD, Wilmington, CA 90744
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Install split heat pump comply with department order effective date 01/23/2024. permit will expire 30 days from issuance date. all permits shall be for the same time period limitation. if additional assistance is needed please call inspector paul reece at (310)732-4532. ceis case number is 997078. (created: imsv7 01-10-24)
Valuation:
N/A
Permit #:
24044-10000-16176
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Change out heat pump condenser on second floor balcony and air handler in closet
Valuation:
N/A
Permit #:
MEC25-00213
Status:
final
Fee:
$140
Permit Type:
N/A
Building Type:
N/A
Change out heat pump condenser on second floor balcony and air handler in closet
Valuation:
N/A
Permit #:
ELE25-00388
Status:
issued
Fee:
$93
Permit Type:
N/A
Building Type:
N/A
Change out fau in attic and install new air conditioning unit in side yard
Valuation:
N/A
Permit #:
MEC25-00141
Status:
issued
Fee:
$176
Permit Type:
N/A
Building Type:
N/A
Change out fau in attic and install new air conditioning unit in side yard
Valuation:
N/A
Permit #:
ELE25-00257
Status:
issued
Fee:
$93
Permit Type:
N/A
Building Type:
N/A
New heat pump install in side yard 40ft new duct work
Valuation:
N/A
Permit #:
MEC2025-00042
Status:
issued
Fee:
N/A
Permit Type:
New with outdoor ...
Building Type:
N/A
Install ductless mini split in rear yard
Valuation:
N/A
Permit #:
MEC25-00342
Status:
complete
Fee:
$130
Permit Type:
N/A
Building Type:
N/A
Install ductless mini split in rear yard
Valuation:
N/A
Permit #:
ELE25-00629
Status:
complete
Fee:
$98
Permit Type:
N/A
Building Type:
N/A
Install new 3 ton heat pump 40ft ductwork
Valuation:
N/A
Permit #:
MEC2024-00145
Status:
final
Fee:
N/A
Permit Type:
New
Building Type:
N/A
Replace split heat pump & air handler
Valuation:
N/A
Permit #:
MEC2025-00062
Status:
issued
Fee:
N/A
Permit Type:
Change out with o...
Building Type:
N/A
(2) ductless mini-split install
Valuation:
N/A
Permit #:
MEC2024-00144
Status:
final
Fee:
N/A
Permit Type:
New
Building Type:
N/A
Replaced air conditioning moving over a few feet from original location to accomadate the solar install
Valuation:
N/A
Permit #:
24044-90000-09277
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Replace split pump and coil
Valuation:
N/A
Permit #:
25044-90000-06074
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Install ductless mini split
Valuation:
N/A
Permit #:
25044-10000-06183
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Replace air conditioning
Valuation:
N/A
Permit #:
MEC2025-00071
Status:
final
Fee:
N/A
Permit Type:
Change out with o...
Building Type:
N/A
Replace ductless mini split
Valuation:
N/A
Permit #:
M25-00046
Status:
issued
Fee:
N/A
Permit Type:
Over the counter
Building Type:
N/A
Running a new electrical circuit dedicated to air conditioning only in the breaker box. also it is connected to the disconnect box
Valuation:
N/A
Permit #:
23041-90000-72531
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Install 3 ton air conditioning condenser coil and replace 60k btu furnace
Valuation:
N/A
Permit #:
MEC2023-00061
Status:
final
Fee:
N/A
Permit Type:
New
Building Type:
N/A
Comply with department order effective date 01/01/2020. permit will expire 30 days from issuance date. ceis #889141. change out fau ducting and addition on a/c-comply w/dept. order dated 12-10-19"comply
Valuation:
N/A
Permit #:
19044-40000-15275
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Ductless mini split install on balcony
Valuation:
N/A
Permit #:
MEC2025-00052
Status:
final
Fee:
N/A
Permit Type:
New with outdoor ...
Building Type:
N/A
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Urso Air Systems Reviews
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Verified License
BuildZoom confirmed this contractor's license
Urso Air Systems License info
Verified License
| License # | 961408 |
| Status | Active |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | Partnership, Sole Ownership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Urso Air Systems at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 451140 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Partnership, 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 Urso Air Systems at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 887195 |
| Status | Inactive |
| State | California |
| Type | General Building, Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | Partnership, 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 Urso Air Systems at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
117
BuildZoom Score
Bonded
| Bonded Agent | Wesco Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Oak River Insurance Company |
410
Permits
- Building permit records show that Urso Air Systems has worked on 410 permitted projects.
Urso Air Systems Employees
WU
William Anthony Urso
Qualify Partner
WU
William Joseph Urso
Sole Owner
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