Updated: Apr 30, 2026
Location and Projects
Address
43219 42ND STREET WEST, Quartz Hill, CA, 93536
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Mountain Aire Mechanical
Mountain Aire Mechanical at 43219 42ND STREET WEST, Quartz Hill, CA 93536, held a HVAC/Mechanical Contractor license (#771803) with the California contractors license board. We last verified the license was expired on 11-26-2021.
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.
Mountain Aire Mechanical Contact Information
Address: 43219 42ND STREET WEST, Quartz Hill, CA 93536
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Building Permits by Mountain Aire Mechanical
This is a sample of this contractor's permits. Click here to access their complete permit history.
Systems-misc: h & c water - material: type l copper misc: drain waste & vent - material: no-hub cast ironunderground: n/a;equipment-water closet (toilet) - number of items: 1 lavatory (water basin) - number of items: 1 sink (com) - number of items: 5;further description: undefined
Valuation:
$23,371
Permit #:
P*1606333*1
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Systems-misc: drain waste & vent - material: no-hub cast ironunderground: no-hub cast iron misc: h & c water - material: type l copper;equipment-drinking fountain - number of items: 4 lavatory (water basin) - number of items: 8;further description: undefined
Valuation:
$5,880
Permit #:
P*1605661*1
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Equipment-;further description: adding grilles and diffusers. relocating thermostats. balancing. unit 407
Valuation:
$18,340
Permit #:
M*1606252*1
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace existing make up air unit on roof for westerra credit union
Valuation:
$88,000
Permit #:
M*1607640*1
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition all new gas piping to westerra credit union
Valuation:
$168,000
Permit #:
P*1607642*1
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Equipment-;further description: relocating diffusers and return grilles and thermostats
Valuation:
$18,589
Permit #:
M*1603582*1
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace 2 4 ton roof top units like for like
Valuation:
$14,385
Permit #:
M*1605984*1
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Hvac- install package heat pump
Valuation:
N/A
Permit #:
00044-20000-07089
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Furnace & air conditioning change out
Valuation:
N/A
Permit #:
00044-20000-07774
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Furnace change out
Valuation:
N/A
Permit #:
00044-20000-09920
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Change-out fau
Valuation:
N/A
Permit #:
01044-20000-06502
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Hvac- change out package unit on roof. (heat pump)
Valuation:
N/A
Permit #:
00044-20000-05379
Status:
expired
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Package unit change out addition 2 inlets/outlets
Valuation:
N/A
Permit #:
00044-20000-09919
Status:
expired
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
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Mountain Aire Mechanical Reviews
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Mountain Aire Mechanical License info
Inactive License
| License # | 771803 |
| Status | Inactive |
| State | California |
- 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 Mountain Aire Mechanical at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 771803 |
| Status | Inactive |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning |
- 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 Mountain Aire Mechanical 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 Mountain Aire Mechanical, click “This is My Business” to update your information.
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $7,500 |
12
Permits
- Building permit records show that Mountain Aire Mechanical has worked on 12 permitted projects.
Mountain Aire Mechanical Employees
GZ
Gregory Wayne Zeek
Sole Owner