Updated: Apr 16, 2026
Location and Projects
Address
14777 307TH AVE NW, Princeton, MN, 55371
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L3 Services HVAC/Mechanical Contractor
L3 Services LLC, 14777-307 Th Ave NW, Princeton, MN holds a Mechanical Contractor Bond license and 1 other license according to the Minnesota license board.
Their BuildZoom score of 98 ranks in the top 16% of 77,973 Minnesota licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring L3 Services LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
L3 Services LLC Contact Information
Phone Number: (763) 443-8142
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Address: 14777 307TH AVE NW, Princeton, MN 55371
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L3 Services LLC Princeton
Quality
98
84th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
L3 Services LLC has a BuildZoom score of 98, which places them above 84% of 77,973 contractors in Minnesota.
Activity
|
3 projects
|
2025 |
|
3 projects
|
2024 |
|
1 project
|
2023 |
Our building permit records indicate that L3 Services LLC has worked on at least
7.0 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
|
7 projects
|
Mechanical projects |
|
6 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that L3 Services LLC mostly works on
mechanical project
and hvac project
projects.
Pricing
|
1 project
|
$5k-$20k |
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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Addition on to existing home and general remodel of existing area.- air conditioning duct work furnace range hood gas piping for fireplace furnace cooktop
Valuation:
N/A
Permit #:
PM25-0407
Status:
issued
Fee:
$171
Permit Type:
Remodel
Building Type:
N/A
Gas piping - house had a fire and needed to have the gas turned on and required a gas permit for air test
Valuation:
N/A
Permit #:
PM24-0543
Status:
issued
Fee:
$36
Permit Type:
Gas
Building Type:
N/A
Duct work range hood furnace duct work to dryer
Valuation:
N/A
Permit #:
PM25-0087
Status:
issued
Fee:
$111
Permit Type:
Remodel
Building Type:
N/A
Remodel kitchen area (main level). bump out in rear of house -duct work over/cooktop range
Valuation:
N/A
Permit #:
PM25-0478
Status:
issued
Fee:
$96
Permit Type:
Remodel
Building Type:
N/A
Air conditioning range warm duct system dryer cooktop
Valuation:
N/A
Permit #:
PM24-0672
Status:
issued
Fee:
$141
Permit Type:
Remodel
Building Type:
N/A
Range hood and warm air duct system
Valuation:
N/A
Permit #:
PM24-0435
Status:
issued
Fee:
$71
Permit Type:
Remodel
Building Type:
N/A
Relocate furnace into central location of home and tie ductwork back into new location
Valuation:
$13,000
Permit #:
MI196593
Status:
final
Fee:
$364
Permit Type:
Single family
Building Type:
N/A
Install a new bathroom fan in downstairs bathroom. relocate bathroom heat register
Valuation:
N/A
Permit #:
MG336933
Status:
issued
Fee:
$76
Permit Type:
Remodel - residen...
Building Type:
N/A
Heating of new master bedroom
Valuation:
$4,500
Permit #:
MI203613
Status:
final
Fee:
$145
Permit Type:
Single family
Building Type:
N/A
Adding bathroom fan to new bathroom
Valuation:
N/A
Permit #:
MG317648
Status:
final
Fee:
$76
Permit Type:
HVAC
Building Type:
N/A
Air conditioner/furnace air-conditioner-1 furnace-1
Valuation:
$4,100
Permit #:
CR198753
Status:
final
Fee:
$66
Permit Type:
N/A
Building Type:
N/A
Razing permit
Valuation:
N/A
Permit #:
63639
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Furnace and air changeout central ac-1 heating system-1
Valuation:
N/A
Permit #:
NH049804
Status:
final
Fee:
$70
Permit Type:
Heating system
Building Type:
N/A
Reconnect heat/return runs kitch.vent ll bathroom fan vent
Valuation:
$1,000
Permit #:
MI206881
Status:
final
Fee:
$42
Permit Type:
Single family
Building Type:
N/A
Move ductwork to achieve a smaller soffit
Valuation:
$2,000
Permit #:
MI203612
Status:
final
Fee:
$71
Permit Type:
Single family
Building Type:
N/A
Bathroom fan in upper level bathroom
Valuation:
N/A
Permit #:
MG281065
Status:
final
Fee:
$76
Permit Type:
Remodel - residen...
Building Type:
N/A
Change heat registers
Valuation:
$600
Permit #:
EP131749
Status:
Issued
Fee:
N/A
Permit Type:
Duct Work
Building Type:
N/A
Boiler boiler-1
Valuation:
$6,000
Permit #:
CR166728
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Ductwork/ventilation
Valuation:
$5,000
Permit #:
CR154174
Status:
final
Fee:
$168
Permit Type:
Commercial
Building Type:
N/A
Dryer venting
Valuation:
$450
Permit #:
CR155557
Status:
final
Fee:
$45
Permit Type:
Residential
Building Type:
N/A
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L3 Services LLC Reviews
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Verified License
BuildZoom confirmed this contractor's license
L3 Services LLC License info
Verified License
| License # | MB686329 |
| Status | Active |
| State | Minnesota |
| Type | Mechanical Contractor Bond |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for L3 Services LLC at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | MB686329 |
| Status | Active |
| State | Minnesota |
| Type | Mechanical Contractor Bond |
- When BuildZoom last verified this license, it had an expiration date of April, 2026. Check the current license status of L3 Services LLC with the Minnesota Department of Labor & Industry
This is a sample of licensing data; click here to access a complete history.
98
BuildZoom Score
19
Permits
- Building permit records show that L3 Services LLC has worked on 19 permitted projects.