Updated: May 20, 2026
Location and Projects
Address
28562 OSO PKWY #517, Rancho Santa Margarita, CA, 92688
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Cal-temp Air Conditioning & Heating Company
Cal-temp Air Conditioning & Heating Company, 28562 Oso Pkwy, Rancho Santa Margarita, CA (Owned by: Claudio John La Rosa) holds a Warm Air Heating, Ventilating And Air Conditioning license and 2 other licenses according to the California license board.
Their BuildZoom score of 93 ranks in the top 27% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Cal-temp Air Conditioning & Heating Company, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Cal-temp Air Conditioning & Heating Company Services
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Cal-temp Air Conditioning & Heating Company Contact Information
Phone Number: (562) 694-4881
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Address: 28562 OSO PKWY #517, Rancho Santa Margarita, CA 92688
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Building Permits by Cal-temp Air Conditioning & Heating Company
This is a sample of this contractor's permits. Click here to access their complete permit history.
Mechanical hvac new installation permit application
2019-06-04
Install new ductless mini split system heat pump
Valuation:
N/A
Permit #:
MECH-2019-00031
Status:
final
Fee:
$56
Permit Type:
N/A
Building Type:
N/A
Mechanical hvac new installation permit application
2019-06-04
Install new ductless mini split system heat pump
Valuation:
N/A
Permit #:
MECH-2019-00030
Status:
final
Fee:
$56
Permit Type:
N/A
Building Type:
N/A
Electrical replace (2) disconnects (h2019-0196)
Valuation:
N/A
Permit #:
E2019-0205
Status:
final
Fee:
$87
Permit Type:
N/A
Building Type:
N/A
Mechanical for tenant improvement facade remodel mansard removal and addition parrpet on front portion of building reconstruct rear portion of building. (23, 033sf) from exist.slab up due to fire; ref bld2005-03366 reprinted after address correction. (originally
Valuation:
$0
Permit #:
MEC2006-00362
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition new air conditioning unit 14seer replace fau and ducts
Valuation:
N/A
Permit #:
C2016-0194
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Furnace
Valuation:
N/A
Permit #:
BLD17-0052
Status:
final
Fee:
$55
Permit Type:
Mep
Building Type:
N/A
New restaurant woth 4 type i hoods and 1 type ii 4 compressors subm itted variance for installing hood before la city test lab approval
Valuation:
$0
Permit #:
00044-10000-00162
Status:
Permit Finaled
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/a
Mechanical tenant improvement 1180sf remodel of existing retail into take out food (originally submitted as 1440 s. west st.) bld2003-01714
Valuation:
$0
Permit #:
MEC2003-00764
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Furnace
Valuation:
N/A
Permit #:
BLD17-0052
Status:
final
Fee:
$55
Permit Type:
Mep
Building Type:
N/A
Supplemental permit to 01044-10000-02611 & 01044-10001-02611 for change of address from 8645 s sepulveda bl to 8629 s sepulveda bl
Valuation:
$0
Permit #:
01044-10002-02611
Status:
Permit Expired
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/a
No Description Available
Valuation:
N/A
Permit #:
M1996-018374
Status:
final
Fee:
$431
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
E1999-032675
Status:
final
Fee:
$60
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
M2000-024055
Status:
final
Fee:
$60
Permit Type:
N/A
Building Type:
N/A
Install furnace + compressor for hvac
Valuation:
$0
Permit #:
98-03783
Status:
Expired
Fee:
N/A
Permit Type:
Mechanical permit
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
M1998-021790
Status:
final
Fee:
$128
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
M1999-023373
Status:
final
Fee:
$77
Permit Type:
N/A
Building Type:
N/A
Building Permit
New kitchen building
Valuation:
$0
Permit #:
ME020288
Status:
Closed-Expired
Fee:
$15
Permit Type:
N/A
Building Type:
N/A
North tower alterations on the 7th floor dept. of justice
Valuation:
$0
Permit #:
00044-10000-10097
Status:
Permit Closed
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/a
Replace existing heater & air cond. unit.and cooling coil
Valuation:
$0
Permit #:
MEC1999-00058
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install 15 heat pumps 5 fans smoke det.&inlets&outlets
Valuation:
$0
Permit #:
02044-40000-02302
Status:
Permit Finaled
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/a
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Cal-temp Air Conditioning & Heating Company Reviews
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Verified License
BuildZoom confirmed this contractor's license
Cal-temp Air Conditioning & Heating Company License info
Verified License
| License # | 679902 |
| 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 Cal-temp Air Conditioning & Heating Company at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 363290 |
| Status | Inactive |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | 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 Cal-temp Air Conditioning & Heating Company at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 296106 |
| Status | Inactive |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | 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 Cal-temp Air Conditioning & Heating Company at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
Bonded
| Bonded Agent | Hudson Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Markel Insurance Company |
42
Permits
- Building permit records show that Cal-temp Air Conditioning & Heating Company has worked on 42 permitted projects.
Cal-temp Air Conditioning & Heating Company Employees
CR
Claudio John La Rosa
Owner
JB
John August Blomgren
Rmo / Ceo / Pres
RS
Raymond Harold Cason Sr
Sole Owner
RK
Robert James King
Officer
WJ
William Edward Rainey Jr
Rme