Updated: Jul 02, 2026
Location and Projects
Address
19134 MARILLA ST, Northridge, CA, 91324
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One2S H V A C HVAC/Mechanical Contractor
One2S H V A C, 19134 Marilla St, Northridge, CA (Owned by: Carlos Ariel Oneto) holds a Warm Air Heating, Ventilating And Air Conditioning license according to the California license board.
Their BuildZoom score of 97 ranks in the top 18% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring One2S H V A C, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
One2S H V A C Contact Information
Phone Number: (747) 224-0987
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Address: 19134 MARILLA ST, Northridge, CA 91324
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Installation of new hvac (heating cooling and environmental vent) systems. structural plans application #22016-20001-11061 approved on 8/16/22. fire department plans transaction id number f22-88645 was approved on 8/18/22
Valuation:
N/A
Permit #:
22044-20000-02992
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Installation of new duction for hvac system total of 36 supply registers 12 exhaust fans 6 return air registers 3 dryer vents 3 kitchen exhaust vents this is a supplemental permit for permit # 20044-1000-12088
Valuation:
N/A
Permit #:
21044-90000-06889
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Installation of new ducting for hvac system total of 36 supply registers 12 exhaust fans 6 return air registers 3 dryer vents 3 kitchen exhaust vents this is a supplemental permit for permit # 20044-10000-12089
Valuation:
N/A
Permit #:
21044-90000-06891
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Install 3x5 ton heat pumps for 2nd and 3rd floors of and 3x6 btu wall mount ductless heat pump mini split for 1st floor bedroom for each of the 3-units
Valuation:
N/A
Permit #:
20044-10000-12088
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Install 3x5 ton heat pumps for 2nd and 3rd floors of and 3x6 btu wall mount ductless heat pump mini split for 1st floor bedroom for each of the 3-units
Valuation:
N/A
Permit #:
20044-10000-12089
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Tenant improvement - installation of makeup air units and exaust fans with existing rtu's to be used
Valuation:
N/A
Permit #:
22044-20000-04845
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Ti: new hvac system
Valuation:
N/A
Permit #:
22044-20000-03103
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install (n) 4-ton split hvac system and duct work
Valuation:
N/A
Permit #:
19044-20000-04237
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install new 5 ton hvac split system with new ducting and register and 1 4 dryer vent and 1 kitchen exhaust vent
Valuation:
N/A
Permit #:
21044-90000-07367
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Change of address from 13333 w riverside dr to 13323 w riverside dr
Valuation:
N/A
Permit #:
22044-20002-04845
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install roof mount solar system acc to exis single family residence 3.2 kw
Valuation:
N/A
Permit #:
K201408954
Status:
final
Fee:
$326
Permit Type:
N/A
Building Type:
N/A
Hvac tenant improvement
Valuation:
N/A
Permit #:
22044-20000-03218
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
General hvac
Valuation:
N/A
Permit #:
19044-10000-13782
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Replacing existing equipment & ductwork. addition (2) ductless units
Valuation:
N/A
Permit #:
19044-20000-07718
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install air conditioning circuit
Valuation:
N/A
Permit #:
18041-20000-24244
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Install package unit and ducts
Valuation:
N/A
Permit #:
18044-20000-07721
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
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One2S H V A C Reviews
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Verified License
BuildZoom confirmed this contractor's license
One2S H V A C License info
Verified License
| License # | 986912 |
| Status | Active |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for One2S H V A C at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
97
BuildZoom Score
Bonded
| Bonded Agent | Hudson Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
13
Permits
- Building permit records show that One2S H V A C has worked on 13 permitted projects.
One2S H V A C Employees
CO
Carlos Ariel Oneto
Owner