Updated: Jun 08, 2026
Location and Projects
Address
16842 W IVERSON ST NE, Forest Lake, MN, 55025
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Grendahl Mechanical Inc
Grendahl Mechanical Inc, 16842 W Iverson St NE, Forest Lake, MN (Owned by: Grendahl, Mark S) holds a Plumbing license and 11 other licenses according to the Minnesota license board.
Their BuildZoom score of 93 ranks in the top 27% of 77,973 Minnesota licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Grendahl Mechanical Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Grendahl Mechanical Inc Contact Information
Phone Number: (952) 217-5548
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Address: 16842 W IVERSON ST NE, Forest Lake, MN 55025
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Building Permits by Grendahl Mechanical Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Per engineer drawings 13 new furnace and air conditioner split systems new ductwork re-use existing three rtus with new ductwork distribution
Valuation:
$164,000
Permit #:
20 19 105724 WAV 00 W
Status:
final
Fee:
N/A
Permit Type:
Warm air & ventil...
Building Type:
N/A
High school cafeteria hvac systems remodeling and addition per engineer's drawings and specification
Valuation:
$246,400
Permit #:
MI231947
Status:
final
Fee:
$4,845
Permit Type:
Commercial/ind
Building Type:
N/A
Tenant build out for xperience fitness
Valuation:
$265,000
Permit #:
AV075686
Status:
final
Fee:
$3,372
Permit Type:
Other Commercial
Building Type:
N/A
Ground up restaurant install owner furnished hvac equipment. furnish and install hvac ductwork
Valuation:
$132,300
Permit #:
M18-0481
Status:
final
Fee:
$1,794
Permit Type:
Addition
Building Type:
N/A
New detached garage/1 light with switch 1 gfi and 1 outlet. powered through the panel in the basement adding a 20 amp breaker
Valuation:
$1,000
Permit #:
20 18 117212 ELC 00 E
Status:
final
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
Hvac vein clinics of america
Valuation:
$154,000
Permit #:
SL281393
Status:
final
Fee:
$3,803
Permit Type:
Alteration nonres...
Building Type:
N/A
Tenant improvement for change of occupancy. addition of new rtus. air cleaner-0
Valuation:
N/A
Permit #:
NH055848
Status:
final
Fee:
$1,453
Permit Type:
Undefined
Building Type:
N/A
Remodel furnace & duct
Valuation:
$6,800
Permit #:
GV010024
Status:
issued
Fee:
$137
Permit Type:
heating-sys-warm ...
Building Type:
N/A
No Description Available
Valuation:
$149,000
Permit #:
AV079155
Status:
final
Fee:
$1,896
Permit Type:
New Commercial
Building Type:
N/A
Ductwork & venting
Valuation:
$2,100
Permit #:
GV012142
Status:
issued
Fee:
$46
Permit Type:
Ductwork
Building Type:
N/A
Hvac system renovations in cmf main office
Valuation:
$113,585
Permit #:
AV068084
Status:
final
Fee:
$1,908
Permit Type:
Other Commercial
Building Type:
N/A
Install fan with little duct work
Valuation:
$2,100
Permit #:
MI162961
Status:
final
Fee:
$75
Permit Type:
Single family
Building Type:
N/A
Low voltage thermostats and wiring of thermostats and hvac equipment they control
Valuation:
N/A
Permit #:
ELE2006-01162
Status:
final
Fee:
$36
Permit Type:
Technology systems
Building Type:
N/A
Furnace/air conditioner air-conditioner-1 furnace-1 gas opening-1 mechanical-0
Valuation:
$9,500
Permit #:
CR071789
Status:
expired
Fee:
$191
Permit Type:
N/A
Building Type:
N/A
Furnace/air conditioner
Valuation:
$12,000
Permit #:
CR071788
Status:
issued
Fee:
$220
Permit Type:
Commercial
Building Type:
N/A
Replace roof top units for pd
Valuation:
$51,900
Permit #:
AV068988
Status:
final
Fee:
$871
Permit Type:
Other Commercial
Building Type:
N/A
Replace roof top units for pd
Valuation:
$51,900
Permit #:
AV068988
Status:
Approved
Fee:
$872
Permit Type:
Other commercial
Building Type:
N/A
Mechanical
4 story with parking 41 multifamily units utilizing ptac & dx fan-coil units for cooling and heating. one rooftop units serving the corridors. parking level has gas makeup with exhaust system linked to co & no2. all associated duct work and supply and return registers and grills. refer to attached drawings
Valuation:
$392,900
Permit #:
BLDG810624
Status:
complete
Fee:
$5,727
Permit Type:
N/A
Building Type:
Apartment 6+ unit
Gas opening only
Valuation:
$100
Permit #:
CR075902
Status:
issued
Fee:
$46
Permit Type:
Commercial
Building Type:
N/A
Hvac
Valuation:
$16,700
Permit #:
CR104984
Status:
issued
Fee:
$328
Permit Type:
Commercial
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Grendahl Mechanical Inc License info
Verified License
| License # | PM692201 |
| Status | Active |
| State | Minnesota |
| Type | Plumbing |
| Business Type | Not Available |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Grendahl Mechanical Inc at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AM001316 |
| Status | Active |
| State | Minnesota |
| Type | Electrical |
| Business Type | Not Available |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Grendahl Mechanical Inc 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 # | BV002787 |
| Status | Active |
| City | Burnsville |
| Type | Contractor, Heating And Ventilation |
| Business Type | Not Available |
- When BuildZoom last verified this license, it had an expiration date of October, 2016. Check the current license status of Grendahl Mechanical Inc with the The City of Burnsville, MN
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | IR671942 |
| Status | Inactive |
| State | Minnesota |
| Type | Contractor Registration |
| Business Type | Not Available |
- According to the Minnesota Department of Labor & Industry, 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 Grendahl Mechanical Inc at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | MB003817 |
| Status | Inactive |
| State | Minnesota |
| Type | Mechanical Contractor Bond |
| Business Type | Not Available |
- According to the Minnesota Department of Labor & Industry, 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 Grendahl Mechanical Inc at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | PM059275 |
| Status | Inactive |
| State | Minnesota |
| Type | Plumbing |
| Business Type | Not Available |
- According to the Minnesota Department of Labor & Industry, 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 Grendahl Mechanical Inc at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | PM058600 |
| Status | Inactive |
| State | Minnesota |
| Type | Plumbing |
| Business Type | Not Available |
- According to the Minnesota Department of Labor & Industry, 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 Grendahl Mechanical Inc at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | QB120428 |
| Status | Inactive |
| State | Minnesota |
| Type | Residential Contractors |
| Business Type | Not Available |
- According to the Minnesota Department of Labor & Industry, 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 Grendahl Mechanical Inc at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | TS713080 |
| Status | Inactive |
| State | Minnesota |
| Type | Electrical |
| Business Type | Not Available |
- According to the Minnesota Department of Labor & Industry, 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 Grendahl Mechanical Inc at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | MB716626 |
| Status | Inactive |
| State | Minnesota |
| Type | Mechanical Contractor Bond |
| Business Type | Not Available |
- According to the Minnesota Department of Labor & Industry, 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 Grendahl Mechanical Inc at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | PJ692201 |
| Status | Inactive |
| State | Minnesota |
| Business Type | Not Available |
- According to the Minnesota Department of Labor & Industry, 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 Grendahl Mechanical Inc at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | RE692201 |
| Status | Inactive |
| State | Minnesota |
| Type | Reg Unl Electrician |
| Business Type | Not Available |
- According to the Minnesota Department of Labor & Industry, 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 Grendahl Mechanical Inc at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
111
Permits
- Building permit records show that Grendahl Mechanical Inc has worked on 111 permitted projects.
Grendahl Mechanical Inc Employees
.
.
GI
Grendahl Mechanical Inc
Owner
GL
Grendahl Mechanical Llc
Owner
GJ
Grendahl, Jeremy
Owner
GL
Grendahl, Jeremy L
Owner
GS
Grendahl, Mark S
Owner
GJ
Grendahl, Phillip J
Owner
JG
Jerry Grendahl
Owner