Updated: Jun 08, 2026
Location and Projects
Address
17889 BUNKER AVE, Walnut Grove, MN, 56180
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Wulf, Justin J Plumber
Wulf, Justin J, 17889 Bunker Ave, Walnut Grove, MN holds a High Pressure Piping license and 5 other licenses according to the Minnesota license board.
Their BuildZoom score of 99 ranks in the top 15% of 77,973 Minnesota licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Wulf, Justin J, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Wulf, Justin J Services
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Wulf, Justin J Contact Information
Phone Number: (320) 491-5571
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Address: 17889 BUNKER AVE, Walnut Grove, MN 56180
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Install sample cooler for steam sampling at surgical sterilizer. all piping will be done with 1/4 ss tubing and tylock fittings
Valuation:
N/A
Permit #:
HPP2412-00019
Status:
final
Fee:
$337
Permit Type:
Standard
Building Type:
N/A
Steam piping to new autoclaves epitopix vaxxinova
Valuation:
N/A
Permit #:
HPP2504-00006
Status:
final
Fee:
$725
Permit Type:
Time & materials
Building Type:
N/A
Replace steam pressure reducing valve feeding heating system old valve failed
Valuation:
N/A
Permit #:
HPP2412-00010
Status:
final
Fee:
$250
Permit Type:
Time & materials
Building Type:
N/A
Fab and install small dual wall asphalt spools
Valuation:
N/A
Permit #:
HPP2504-00039
Status:
final
Fee:
$250
Permit Type:
Time & materials
Building Type:
N/A
Repair 3 or 4” condensate leak on heat exchanger in south process building of ethanol plant. replace ~20 ft of pipe
Valuation:
N/A
Permit #:
HPP2402-00037
Status:
final
Fee:
$329
Permit Type:
Time & materials
Building Type:
N/A
Replace steam condensate pipe in clean process room. eliminate piping in ceiling reroute in exposed areas re-connect to main in mechanical space
Valuation:
N/A
Permit #:
HPP2305-00005
Status:
final
Fee:
$415
Permit Type:
Standard
Building Type:
N/A
Jacketed asphalt piping for new plant extend factory piping for customer connection
Valuation:
N/A
Permit #:
HPP2504-00037
Status:
issued
Fee:
$250
Permit Type:
Time & materials
Building Type:
N/A
Install new boiler and new feed mill
Valuation:
N/A
Permit #:
HPP2312-00038
Status:
final
Fee:
$3,560
Permit Type:
Blanket
Building Type:
N/A
Cut and cap 1 1/2 steam line replace reduced section of pipe with 2 1/2 spool blank off abandoned 2 1/2 valve
Valuation:
N/A
Permit #:
HPP2205-00005
Status:
final
Fee:
$283
Permit Type:
Time & materials
Building Type:
N/A
Install steam to water shell and tube heat exchanger and associated steam and condensate piping
Valuation:
N/A
Permit #:
HPP2405-00013
Status:
final
Fee:
$316
Permit Type:
Time & materials
Building Type:
N/A
Install 3 steam line to new scalder and install new control valves
Valuation:
N/A
Permit #:
HPP2204-00003
Status:
issued
Fee:
$250
Permit Type:
Time & materials
Building Type:
N/A
Relocate and replace steam prv for corn flaker. repipe condensate and steam around prv
Valuation:
N/A
Permit #:
HPP2310-00005
Status:
final
Fee:
$498
Permit Type:
Standard
Building Type:
N/A
Replace leaking section of boiler blow down with new socket weld fittings. 1 1/2 run with 3/4 branch using a lateral wye
Valuation:
N/A
Permit #:
HPP1912-00053
Status:
final
Fee:
$262
Permit Type:
Time & materials
Building Type:
N/A
Install 2 new miura lx-50s relocate existing after new boilers are running
Valuation:
N/A
Permit #:
BPV-P2303-022
Status:
final
Fee:
$560
Permit Type:
New installation
Building Type:
N/A
Install 2 new boilers new feed tank new steam header new blowdown separator. relocate existing boiler
Valuation:
N/A
Permit #:
HPP2212-00022
Status:
final
Fee:
$3,044
Permit Type:
Standard
Building Type:
N/A
Steam piping to replacement pellet mill
Valuation:
N/A
Permit #:
HPP2208-00013
Status:
final
Fee:
$771
Permit Type:
Standard
Building Type:
N/A
Install replacement 10 hp cast iron steam boiler for space heating
Valuation:
N/A
Permit #:
BPV-P2310-013
Status:
final
Fee:
$160
Permit Type:
New installation
Building Type:
N/A
Replace steris surgical sterilizer vent relief valves through roof
Valuation:
N/A
Permit #:
HPP2308-00013
Status:
final
Fee:
$343
Permit Type:
Time & materials
Building Type:
N/A
Replace prv and relocate for serviceability
Valuation:
N/A
Permit #:
HPP2312-00032
Status:
final
Fee:
$457
Permit Type:
Time & materials
Building Type:
N/A
Replace feed water tank and associated piping
Valuation:
N/A
Permit #:
HPP2403-00035
Status:
final
Fee:
$526
Permit Type:
Standard
Building Type:
N/A
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Verified License
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Wulf, Justin J License info
Verified License
| License # | HC738265 |
| Status | Active |
| State | Minnesota |
| Type | High Pressure Piping |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Wulf, Justin J at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | MB738265 |
| Status | Active |
| State | Minnesota |
| Type | Mechanical Contractor Bond |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Wulf, Justin J at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | HM087005 |
| Status | Active |
| State | Minnesota |
| Type | High Pressure Piping |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Wulf, Justin J at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | HJ087005 |
| Status | Inactive |
| State | Minnesota |
- 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 Wulf, Justin J at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | RF087005 |
| Status | Inactive |
| State | Minnesota |
| Type | Reg Unl Hpp Pipefitter |
- 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 Wulf, Justin J at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | PA087005 |
| Status | Inactive |
| State | Minnesota |
| Type | Reg Unl Plumber |
- 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 Wulf, Justin J at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
99
BuildZoom Score
42
Permits
- Building permit records show that Wulf, Justin J has worked on 42 permitted projects.
Wulf, Justin J Employees
WJ
Wulf, Justin J
Owner