Updated: Jun 18, 2026
Location and Projects
Address
4203 Genesee Ave, San Diego, CA, 92117
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Extreme Air HVAC/Mechanical Contractor
Extreme Air Inc, 4203 Genesee Ave, San Diego, CA (Employee: Jeffrey Joseph Farrell) holds a Warm Air Heating, Ventilating And Air Conditioning license and 4 other licenses according to the California license board.
Their BuildZoom score of 102 ranks in the top 11% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Extreme Air Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Extreme Air Inc Services
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Extreme Air Inc Contact Information
Phone Number: (858) 822-9283
Address: 4203 Genesee Ave, San Diego, CA 92117
This is a sample of this contractor's permits. Click here to access their complete permit history.
No-plan - residential - combination mech/elec/plum:3728/grim
Valuation:
N/A
Permit #:
PMT-3153476
Status:
complete
Fee:
$415
Permit Type:
N/A
Building Type:
N/A
Install 230 volt 20 amp circuit for new ductless mini split system
Valuation:
N/A
Permit #:
PMT-3131933
Status:
issued
Fee:
$283
Permit Type:
N/A
Building Type:
N/A
Remove & replace existing condensing unit
Valuation:
N/A
Permit #:
PMT-3145954
Status:
complete
Fee:
$155
Permit Type:
N/A
Building Type:
N/A
No-plan - residential - combination mech/elec/plum
2021-07-28
Install split system condenser
Valuation:
N/A
Permit #:
PMT-3109155
Status:
complete
Fee:
$146
Permit Type:
N/A
Building Type:
N/A
Remove 230 volt wall heater & replace with through wall air conditioning unit with heat
Valuation:
N/A
Permit #:
PMT-3102462
Status:
complete
Fee:
$204
Permit Type:
N/A
Building Type:
N/A
No-plan - residential - combination mech/elec/plum:4849/onate
Valuation:
N/A
Permit #:
PMT-3080072
Status:
complete
Fee:
$627
Permit Type:
N/A
Building Type:
N/A
Remove & replace existing fan coil unit & rooftop condenser
Valuation:
N/A
Permit #:
PMT-3079204
Status:
complete
Fee:
$335
Permit Type:
N/A
Building Type:
N/A
Extreme air
Valuation:
N/A
Permit #:
B19-1908
Status:
issued
Fee:
N/A
Permit Type:
Replace fau + air...
Building Type:
N/A
Construct (2)story sfdwl 2 550 sq ft w attached garage 406 sq ft-sanitary is sunnyvale's jurisdiction 10/21/2011-def#1- deferred truss calcuations-11/28/2011 def#1 iss'd 9/30 revision #1-revise m.bath location addition front window on 2nd floor - rev issued 10/19/11 files scanned box 471 *see notes*
Valuation:
N/A
Permit #:
11060196
Status:
final
Fee:
$7,680
Permit Type:
N/A
Building Type:
N/A
E permit mechanical run new gas piping from gas to meter to commercial coffee maker in suite. also install exhaust piping from commercial coffee maker up to foor cap
Valuation:
N/A
Permit #:
1699771
Status:
complete
Fee:
$228
Permit Type:
N/A
Building Type:
N/A
Hvac changeout
Valuation:
$3,900
Permit #:
M20-00492
Status:
expired
Fee:
$164
Permit Type:
HVAC ground mount...
Building Type:
N/A
San ysidro - building permit for interior tenant improvment. scope of work is demo/construction interior partitions for dressing rooms and storage new cashwrap ceiling and electrical work and ductwork. zone: syio-ct-2-3 cdp/sdp 40-0338 coastal-city chloz esl pioz cst-app n-app-2
Valuation:
$99,702
Permit #:
654637
Status:
complete
Fee:
$4,483
Permit Type:
Add/alt tenant im...
Building Type:
N/A
Tenant improvement/"finish line (5, 437 sq. ft.) #1319 - remodel of existing retail space - 1 repair/alteration to existing system 24 registers 3 boiler/compressors (3 - 4 ton heatpump split system) 3 air handling units 3 duct or area smoke detectors 2 single duct/exhaust/supply fans 1 witness test fee
Valuation:
$0
Permit #:
81521
Status:
EXPIRED
Fee:
$3,239
Permit Type:
N/A
Building Type:
N/A
Replacing furnace and new air conditioning
Valuation:
$4,600
Permit #:
BLD2003-00824
Status:
final
Fee:
$115
Permit Type:
N/A
Building Type:
N/A
Remove & re-install existing condensing furnace in hallway closet re-configure insulated flex ducts in attic and install ducted return
Valuation:
N/A
Permit #:
1617868
Status:
complete
Fee:
$410
Permit Type:
N/A
Building Type:
N/A
San ysidro - building permit for interior tenant improvment. scope of work is demo/construction interior partitions for dressing rooms and storage new cashwrap ceiling and electrical work and ductwork. zone: syio-ct-2-3 cdp/sdp 40-0338 coastal-city chloz esl pioz cst-app n-app-2
Valuation:
N/A
Permit #:
654640
Status:
complete
Fee:
$115
Permit Type:
Add/alt tenant im...
Building Type:
N/A
San ysidro - building permit for interior tenant improvment. scope of work is demo/construction interior partitions for dressing rooms and storage new cashwrap ceiling and electrical work and ductwork. zone: syio-ct-2-3 cdp/sdp 40-0338 coastal-city chloz esl pioz cst-app n-app-2
Valuation:
N/A
Permit #:
654639
Status:
complete
Fee:
$103
Permit Type:
Add/alt tenant im...
Building Type:
N/A
Install ductless mini split system
Valuation:
N/A
Permit #:
1283080
Status:
complete
Fee:
$499
Permit Type:
N/A
Building Type:
N/A
Misc mechanical --- r & r existing 100k blu gas furnace & ductin addition air conditioning
Valuation:
N/A
Permit #:
1773835
Status:
complete
Fee:
$427
Permit Type:
N/A
Building Type:
N/A
Misc mechanical --- r & r existing 100k blu gas furnace & ductin addition air conditioning
Valuation:
N/A
Permit #:
1773842
Status:
complete
Fee:
$427
Permit Type:
N/A
Building Type:
N/A
Extreme Air Inc Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Extreme Air Inc License info
Verified License
| License # | 681131 |
| Status | Active |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | Corporation, Sole Ownership, Partnership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Extreme Air Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 817670 |
| Status | Active |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | Corporation, Sole Ownership, Partnership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Extreme Air Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1058847 |
| Status | Inactive |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | Corporation, Sole Ownership, 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.
Check this license's status for Extreme Air Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 905829 |
| Status | Inactive |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | Corporation, Sole Ownership, 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.
Check this license's status for Extreme Air Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 747171 |
| Status | Inactive |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | Corporation, Sole Ownership, 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.
Check this license's status for Extreme Air Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
102
BuildZoom Score
Bonded
| Bonded Agent | Hudson Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Norguard Insurance Company |
87
Permits
- Building permit records show that Extreme Air Inc has worked on 87 permitted projects.
Extreme Air Inc Employees
JF
Jeffrey Joseph Farrell
Sole Owner