Updated: May 16, 2026
Location and Projects
Address
6123 PIZARRO ST, Duluth, MN, 55807
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Williams, John J Plumber
Williams, John J, 6123 Pizarro St, Duluth, MN holds a Plumbing license and 4 other licenses according to the Minnesota license board.
Their BuildZoom score of 90 indicates that they are licensed or registered but we do not have additional information about them.
Their license was verified as active when we last checked. If you are thinking of hiring Williams, John J, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Williams, John J Services
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Williams, John J Contact Information
Phone Number: (218) 349-1848
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Address: 6123 PIZARRO ST, Duluth, MN 55807
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Williams, John J Duluth
Quality
90
47th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Williams, John J has a BuildZoom score of 90, which places them above 47% of 77,973 contractors in Minnesota.
Activity
|
1 project
|
2026 |
|
2 projects
|
2025 |
Our building permit records indicate that Williams, John J has worked on at least
3.0 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.
Pricing
|
1 project
|
< $5k |
|
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.
Install factory built gas fireplace insert into existing wood burning masonry fireplace to convert fireplace to natural gas burning unit including venting gas line and electrical. heat n glo supreme-i35-ift
Valuation:
N/A
Permit #:
PRMH202511663
Status:
triage
Fee:
N/A
Permit Type:
Alteration/repair...
Building Type:
N/A
Plumbing water heater replacement - commercial & 3+ multi-family
2025-10-01
Replace natural gas water heater with heat pump water heater
Valuation:
$1,190
Permit #:
CSPLUMC-2509-0146
Status:
complete
Fee:
$88
Permit Type:
N/A
Building Type:
N/A
Fireplace
Valuation:
N/A
Permit #:
PREL202511543
Status:
issued
Fee:
N/A
Permit Type:
Alteration/repair...
Building Type:
N/A
Meter move from inside to outside
Valuation:
N/A
Permit #:
PRMH201811685
Status:
final
Fee:
N/A
Permit Type:
Repair/replace
Building Type:
N/A
Commercial
R3/rem install new 8 x 7 overhead door to existing det garage with new (2) 12 lvl (dmh) header. applicant has plan. no plan kept. separate permits are required for electrical plumbing and heating/air conditioning/ventilation work. this work must be completed by a licensed contractor in a multi-family dwelling. work completed or omitted in violation of the building code shall be correc... see more
Valuation:
$1,200
Permit #:
BLDG216262
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Single family house
Building addition completed completed completed
1996-08-29
Plans attached: 12 x 14 deck w/landing & steps
Valuation:
N/A
Permit #:
074074
Status:
final
Fee:
$71
Permit Type:
N/A
Building Type:
N/A
Building addition completed completed completed completed
1997-07-25
14 x 16 deck & 12 x 12 deck plans attached
Valuation:
N/A
Permit #:
081078
Status:
final
Fee:
$105
Permit Type:
N/A
Building Type:
N/A
Approx 15 x 23 deck plans attached
Valuation:
N/A
Permit #:
081079
Status:
ISSUED
Fee:
$168
Permit Type:
Building addition
Building Type:
N/A
Mechanical alteration completed completed completed
1997-09-11
Direct vent gas fp
Valuation:
N/A
Permit #:
082533
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Plumbing (25 or fewer openings) - commercial & 3+ multi-family
2026-01-06
Bathroom group
Valuation:
$9,000
Permit #:
CSPLUMC-2601-0002
Status:
triage
Fee:
$261
Permit Type:
N/A
Building Type:
N/A
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Williams, John J Reviews
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Verified License
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Williams, John J License info
Verified License
| License # | PM018872 |
| Status | Active |
| State | Minnesota |
| Type | Plumbing |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Williams, John 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 # | BF018872 |
| Status | Inactive |
| State | Minnesota |
| Type | Plumbing |
- 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 Williams, John 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 # | SP018872 |
| Status | Inactive |
| State | Minnesota |
| Type | Special Engineer |
- 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 Williams, John 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 # | PM018872 |
| Status | Inactive |
| State | Minnesota |
| Type | Master 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 Williams, John 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 # | BF018872 |
| Status | Inactive |
| State | Minnesota |
| Type | Backflow Prevention Rebuilder |
- 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 Williams, John J at the Minnesota Department of Labor & Industry.
This is a sample of licensing data; click here to access a complete history.
90
BuildZoom Score
8
Permits
- Building permit records show that Williams, John J has worked on 8 permitted projects.
Williams, John J Employees
WJ
Williams, John J
Owner