Updated: Dec 22, 2025
Location and Projects
Address
PO BOX 398, Cottage Grove, MN, 55016
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Guardian Mechanical Service Inc
Guardian Mechanical Service Inc, Cottage Grv, Po Box 398, Cottage Grove, MN holds a Mechanical Contractor Bond license according to the Minnesota license board.
Their BuildZoom score of 102 ranks in the top 11% of 77,973 Minnesota licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Guardian Mechanical Service Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Guardian Mechanical Service Inc Services
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Guardian Mechanical Service Inc Contact Information
Phone Number: (651) 691-9120
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Address: PO BOX 398, Cottage Grove, MN 55016
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Guardian Mechanical Service Inc Cottage Grove
Quality
102
89th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Guardian Mechanical Service Inc has a BuildZoom score of 102, which places them above 89% of 77,973 contractors in Minnesota.
Activity
|
2 projects
|
2025 |
|
5 projects
|
2024 |
|
4 projects
|
2023 |
Our building permit records indicate that Guardian Mechanical Service Inc has worked on at least
11.0 projects over the past 3 years.
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
|
10 projects
|
Mechanical projects |
|
6 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that Guardian Mechanical Service Inc mostly works on
mechanical project
and hvac project
projects.
Pricing
|
4 projects
|
< $5k |
|
3 projects
|
$5k-$20k |
|
3 projects
|
$20k-$50k |
|
2 projects
|
$50k-$100k |
The typical size of their permits is approximately $7,100. This graph shows the distribution of these job values.
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 Guardian Mechanical Service Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Install 200 of new gas pipe for paint booth and upgrade old system to 2psi gas pressure
Valuation:
$4,000
Permit #:
20 25 012564 GAS 00 M
Status:
final
Fee:
N/A
Permit Type:
Gas
Building Type:
N/A
Re route infrared tube heater around new piece of equipment
Valuation:
$1,200
Permit #:
20 25 012729 GAS 00 M
Status:
final
Fee:
N/A
Permit Type:
Gas
Building Type:
N/A
Vb1 connect refrigerant piping to existing equipment pull a vaccum on piping and start up equipment air conditioning equipment included on separate permit by galaxy mechanical
Valuation:
$800
Permit #:
20 21 327331 REF 00 M
Status:
final
Fee:
N/A
Permit Type:
Refrigeration
Building Type:
N/A
Vb1 install gas line from gas main tree to the new furnace. pressure test and connect furnace included on separate permit by galaxy mechanical
Valuation:
$500
Permit #:
20 21 326558 GAS 00 M
Status:
final
Fee:
N/A
Permit Type:
Gas
Building Type:
N/A
Replacement of 2 hot water boilers
Valuation:
$62,000
Permit #:
20 24 086277 STM 00 M
Status:
final
Fee:
N/A
Permit Type:
Steam or hot water
Building Type:
N/A
Install gas piping from existing gas main to the new direct fired makeup air unit. total makeup air btu's are 165000
Valuation:
$2,000
Permit #:
20 24 006139 GAS 00 M
Status:
final
Fee:
N/A
Permit Type:
Gas
Building Type:
N/A
Provide and install refrigeration piping between the indoor and outdoor units. equipment supplied by galaxy mechanical
Valuation:
$29,000
Permit #:
20 23 052715 REF 00 M
Status:
final
Fee:
N/A
Permit Type:
Refrigeration
Building Type:
N/A
Install new gas piping from an existing gas main to feed (2) 5-ton packaged rooftop units. total length of pipe is less than 25 feet
Valuation:
$1,800
Permit #:
20 23 050664 GAS 00 M
Status:
final
Fee:
N/A
Permit Type:
Gas
Building Type:
N/A
Furnace
Valuation:
$25,000
Permit #:
RI152627
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Relocate existing furnace reroute ductwork & gasline new air conditioning
Valuation:
$6,200
Permit #:
CY076858
Status:
final
Fee:
$132
Permit Type:
Alterations
Building Type:
N/A
Installing 25 of temporary gas hose outside to connect to existing gas piping to provide temporary heat during construction
Valuation:
$1,500
Permit #:
20 23 096793 GAS 00 M
Status:
final
Fee:
N/A
Permit Type:
Gas
Building Type:
N/A
Remove 1 fulton pulse high efficient boiler and install 2 viessman wall hung high efficient boilers on factory supplied rack manifold system for redundancy
Valuation:
N/A
Permit #:
BPV-P2210-002
Status:
final
Fee:
$100
Permit Type:
Add/change to exi...
Building Type:
N/A
Replacement of 2 hot water boilers
Valuation:
$1,500
Permit #:
20 24 087866 GAS 00 M
Status:
final
Fee:
N/A
Permit Type:
Gas
Building Type:
N/A
Install gas piping from existing gas main to new heating equipment supplied by galaxy mechanical
Valuation:
$11,200
Permit #:
20 23 052710 GAS 00 M
Status:
final
Fee:
N/A
Permit Type:
Gas
Building Type:
N/A
Relocate ductwork old office to new office area laser 1 tech
Valuation:
$21,500
Permit #:
MECH2022-0446
Status:
final
Fee:
$333
Permit Type:
Alteration
Building Type:
N/A
Replace and existing steam boiler and condensate return tank
Valuation:
N/A
Permit #:
BPV-P2407-008
Status:
final
Fee:
$200
Permit Type:
Add/change to exi...
Building Type:
N/A
Replacement of 2 high efficient hot water heating boilers for the apartment building
Valuation:
N/A
Permit #:
BPV-P2410-047
Status:
final
Fee:
$120
Permit Type:
Add/change to exi...
Building Type:
N/A
Commercial furnace gasline main duct truck
Valuation:
$6,700
Permit #:
CY075276
Status:
final
Fee:
$142
Permit Type:
Alterations
Building Type:
N/A
Replacement of an existing low pressure steam boiler with a new low pressure steam boiler
Valuation:
N/A
Permit #:
BPV-P2109-059
Status:
final
Fee:
N/A
Permit Type:
Add/change to exi...
Building Type:
N/A
Air conditioner
Valuation:
$7,000
Permit #:
RI133469
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Guardian Mechanical Service Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
Guardian Mechanical Service Inc License info
Verified License
| License # | MB758436 |
| Status | Active |
| State | Minnesota |
| Type | Mechanical Contractor Bond |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for Guardian Mechanical Service Inc at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
102
BuildZoom Score
21
Permits
- Building permit records show that Guardian Mechanical Service Inc has worked on 21 permitted projects.