Updated: Apr 15, 2026
Location and Projects
Address
1 PO BOX 2729, Cupertino, CA, 95014
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Pacific Northstar Mechanical Inc
Pacific Northstar Mechanical Inc, 1 Po, Po Box 2729, Cupertino, CA (Employee: Joseph Steven Mardesich) holds a Warm Air Heating, Ventilating And Air Conditioning, Plumbing license according to the California license board.
Their BuildZoom score of 99 ranks in the top 15% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Pacific Northstar Mechanical Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Pacific Northstar Mechanical Inc Services
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Pacific Northstar Mechanical Inc Contact Information
Phone Number: (408) 353-4145
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Address: 1 PO BOX 2729, Cupertino, CA 95014
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Pacific Northstar Mechanical Inc Cupertino
Quality
99
85th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Pacific Northstar Mechanical Inc has a BuildZoom score of 99, which places them above 85% of 336,931 contractors in California.
Activity
|
4 projects
|
2025 |
Our building permit records indicate that Pacific Northstar Mechanical Inc has worked on at least
4.0 projects over the past year.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
3 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that Pacific Northstar Mechanical Inc mostly works on
hvac project
projects.
Pricing
|
1 project
|
$20k-$50k |
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
Building Permits by Pacific Northstar Mechanical Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
This pays for inspections related to original permit # pmw20250304495 filed 3/4/2025. dow: work category: 5m; 10th floor common area minor modifications to existing ductwork controls and vav boxes
Valuation:
N/A
Permit #:
PMW20250304496
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 5m; 6th floor common area upgrades. minor duct modifications and house controls modifications to accomodate new floor layout
Valuation:
N/A
Permit #:
PMW20250304493
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 5m; tennant improvement for office space. modifications to existing mechanical equipment and ducting and installtion of new mechanical equipment and ducting
Valuation:
N/A
Permit #:
PMW20250602650
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 5m; installation of new vrf heat recovery indoor and outdoor units and associated ducting and diffusers
Valuation:
N/A
Permit #:
PMW20250324997
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 5m; modifications to existing ductwork and vav's installation of new vav and server room exhaust fan
Valuation:
N/A
Permit #:
PMW20250623104
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 5m; tenant improvement- modifications to existing ductwork & installation of new ducting and vav's
Valuation:
N/A
Permit #:
PMW20250102059
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 5m; modifications to existing ductwork and diffusers. installation of new server room exhaust fan
Valuation:
N/A
Permit #:
PMW20250611881
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 5m; existing dutwork modificatons controls and vav relocation to accomodate the new floor layout
Valuation:
N/A
Permit #:
PMW20250304495
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 5m; ductwork vav installation and controls modifications for tennant improvement in suite 710
Valuation:
N/A
Permit #:
PMW20250126601
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 5m; hvac modifications to existing ductwork and ddc controls. installation of new vav's and exhaust fans for suite 930
Valuation:
N/A
Permit #:
PMW20251021996
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 5m; hvac duct and ddc control modifications to existing vav and wshp systems for the 14th floor common areas
Valuation:
N/A
Permit #:
PMW20251021997
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 5m; hvac duct modifications to existing vav's and ddc controls installation of new vav and diffusers
Valuation:
N/A
Permit #:
PMW20251021995
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 5m; level-01 hvac for new offices 123-126 & 129 mechanical room 127 & it/storage
Valuation:
N/A
Permit #:
PMW20250626232
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 5m; modifications to the existing ducting and vav's for the ground floor gym
Valuation:
N/A
Permit #:
PMW20250924287
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
R/r one rooftop hvac unit electrical scope: addition new subpanel at roof and connect to replaced hvac unit **as per r.turco-no electrical plan review needed but permit required**
Valuation:
$94,500
Permit #:
2020 106269 CI
Status:
final
Fee:
N/A
Permit Type:
Office
Building Type:
N/A
R/r one rooftop hvac unit electrical scope: addition new subpanel at roof and connect to replaced hvac unit **as per r.turco-no electrical plan review needed but permit required**
Valuation:
$94,500
Permit #:
2019 132621 CI
Status:
filed
Fee:
N/A
Permit Type:
Office
Building Type:
N/A
Owner spec space includes mechanical improvements on 1st and 2nd floor total 1 500sf. associated parapet extension to cover equipment
Valuation:
$198,000
Permit #:
18000-00897
Status:
canceled
Fee:
$7,867
Permit Type:
N/A
Building Type:
N/A
Work category: 5m; minor low pressure duct modification
Valuation:
N/A
Permit #:
PMW20220722392
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Commercial t/i- utility hook-up for equipment inside (e) lab. upgrade ada parking
Valuation:
$269,834
Permit #:
BLD2019-55408
Status:
final
Fee:
$5,176
Permit Type:
N/A
Building Type:
N/A
Three rooftop mechanical unit replacement
Valuation:
N/A
Permit #:
M20-090
Status:
final
Fee:
$241
Permit Type:
N/A
Building Type:
Offices
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Pacific Northstar Mechanical Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
Pacific Northstar Mechanical Inc License info
Verified License
| License # | 769797 |
| Status | Active |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning, Plumbing |
| Business Type | Corporation |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Pacific Northstar Mechanical Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
99
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Liberty Mutual Insurance Company |
101
Permits
- Building permit records show that Pacific Northstar Mechanical Inc has worked on 101 permitted projects.
Pacific Northstar Mechanical Inc Employees
JM
Joseph Steven Mardesich
Officer
PN
Pacific Northstar
Owner
PM
Pacific Northstar Mechanical
Owner
RM
Richard Nicholas Mardesich
Rmo / Ceo / Pres