Updated: Apr 02, 2026
Location and Projects
Address
8621 KEWEN AVENUE, Sun Valley, CA, 91352
Use our bidding system to
request a quote
Westco Service Company HVAC/Mechanical Contractor
Westco Service Company at 8621 KEWEN AVENUE, Sun Valley, CA 91352, held a HVAC/Mechanical Contractor license (#611469) with the California contractors license board with an expiration date of 01-31-2009. We last verified the license was expired on 04-01-2026.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 336,931 California contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our project planner to be easily matched to qualified, licensed professionals in your area.
Westco Service Company Contact Information
Phone Number: (818) 504-6353
Edit
Address: 8621 KEWEN AVENUE, Sun Valley, CA 91352
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
Building Permits by Westco Service Company
This is a sample of this contractor's permits. Click here to access their complete permit history.
Provide and instal1 (4) split systems with piping and duct
Valuation:
N/A
Permit #:
23044-90000-21687
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Replace 2-units addition 1-split addition air distribution
Valuation:
N/A
Permit #:
25044-90000-04725
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Replace existing units
Valuation:
N/A
Permit #:
25044-90000-05201
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Replace like for like
Valuation:
N/A
Permit #:
25045-90000-00095
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Revise duct and addition one new vav box
Valuation:
N/A
Permit #:
25044-90000-07404
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Demolish and replace grilles and duct
Valuation:
N/A
Permit #:
25044-90000-06200
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Rework existing ducts and air distribution
Valuation:
N/A
Permit #:
22044-90000-11580
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Mechanical & electrical to replace twenty seven (27) roof top package units and twenty seven (27) disconnects. ref: bld2012-00225
Valuation:
N/A
Permit #:
BLD2020-04419
Status:
final
Fee:
N/A
Permit Type:
Tenant improvement
Building Type:
N/A
(2) comparable less 25 hp (1) bathroom vent (1) electrical room (1) ahu (24) in out
Valuation:
N/A
Permit #:
19044-90000-10473
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental permit 18044-30000-05906 to correct address from; 135 s. figueroa st to; 735 s. figueroa st # 119
Valuation:
N/A
Permit #:
18044-10001-05906
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install break room sink (2) restrooms
Valuation:
N/A
Permit #:
19042-90000-20776
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install plumbing for tenant improvement
Valuation:
N/A
Permit #:
PLM2018-01185
Status:
final
Fee:
N/A
Permit Type:
plumbing permit
Building Type:
N/A
Interior 1514 sf store tenant improvement for vertigo in space 1844. work to include installation of new parititions suspended ceiling storefgront store fixtures addition new restroom in suite and minor mechanical electrical and plumbing
Valuation:
N/A
Permit #:
M03-00272
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install 2 roof top package heat pump units w/duct work. install 3 ceiling mounted exhaust fans (must be screened from public view)
Valuation:
N/A
Permit #:
MEC2002-00264
Status:
final
Fee:
N/A
Permit Type:
Mechanical permit
Building Type:
N/A
Mechanical equiptment to reinstall one rooftop cooling tower and install condenser water piping per approved plans
Valuation:
N/A
Permit #:
MEC2006-01226
Status:
final
Fee:
N/A
Permit Type:
Mechanical permit
Building Type:
N/A
Mechanical for new commercial conctruction: disneyland resort 10, 584 square feet central bakery. (ref: bld2008-01391)
Valuation:
$0
Permit #:
BLD2008-02721
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install (1) exhause fan (4) exhaust grilles and (2) supply diffusers for bathroom remodel tenant improvement. (interior only)
Valuation:
$0
Permit #:
MEC2003-00237
Status:
Final
Fee:
N/A
Permit Type:
Mechanical permit
Building Type:
N/A
Addition rooftop air conditioning unit supply grille/ductwork and drain line piping - air conditioning unit shall be screened from public view
Valuation:
N/A
Permit #:
MEC2006-00295
Status:
final
Fee:
N/A
Permit Type:
Mechanical permit
Building Type:
N/A
Install (2) water cooled ceiling mounted and (1) water source heat pump for air conditioning units w/duct work - all interior
Valuation:
N/A
Permit #:
MEC2006-00372
Status:
final
Fee:
N/A
Permit Type:
Mechanical permit
Building Type:
N/A
Install 2 grease exhaust fans new exhaust ductwork inside garage structure (n0t visible from public view)
Valuation:
N/A
Permit #:
MEC2002-00189
Status:
final
Fee:
N/A
Permit Type:
Mechanical permit
Building Type:
N/A
Similar Contractors See more
142
BZ Score
$6K
Avg Project
-
Projects
138
BZ Score
-
Avg Project
-
Projects
146
BZ Score
$9.2K
Avg Project
-
Projects
Westco Service Company Reviews
BuildZoom hasn't received any reviews for Westco Service Company. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Let us find you an HVAC pro in your area today
We'll search our vast network of HVAC Pros and connect
you with one that meets your needs today.
Westco Service Company License info
Inactive License
| License # | 611469 |
| 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 Westco Service Company at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
- How the BuildZoom Score works
- *No active license on file. If you are Westco Service Company, click “This is My Business” to update your information.
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $12,500 |
Insured
| Workers Comp Provider | Zurich American Insurance Company |
87
Permits
- Building permit records show that Westco Service Company has worked on 87 permitted projects.
Westco Service Company Employees
JM
John Thomas Mrasz
Sole Owner