Updated: Jul 23, 2026
Location and Projects
Address
3976 S 71ST ST, Milwaukee, WI, 53201
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Hartlaub, Mario T Plumber
Hartlaub, Mario T, 3976 S 71st St, Milwaukee, WI (Owned by: Mario T Hartlaub) holds a Plumber license and 3 other licenses according to the Wisconsin Rapids license board.
Their BuildZoom score of 106 ranks in the top 7% of 94,017 Wisconsin licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Hartlaub, Mario T, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Hartlaub, Mario T Services
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Hartlaub, Mario T Contact Information
Phone Number: (414) 331-0380
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Address: 3976 S 71ST ST, Milwaukee, WI 53201
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Hartlaub, Mario T Milwaukee
Quality
106
93rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Hartlaub, Mario T has a BuildZoom score of 106, which places them above 93% of 94,017 contractors in Wisconsin.
Activity
|
5 projects
|
2025 |
|
22 projects
|
2024 |
|
20 projects
|
2023 |
Our building permit records indicate that Hartlaub, Mario T has worked on at least
47.0 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
|
47 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that Hartlaub, Mario T mostly works on
plumbing project
projects.
Pricing
|
45 projects
|
< $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.
2535 n frederick av single family single fixture
Valuation:
$600
Permit #:
PLB-23-01451
Status:
issued
Fee:
$107
Permit Type:
N/A
Building Type:
N/A
2010 n hi mount bl single family single fixture
Valuation:
$600
Permit #:
PLB-23-01450
Status:
complete
Fee:
$107
Permit Type:
N/A
Building Type:
N/A
5436 n 19th st single family single fixture
Valuation:
$600
Permit #:
PLB-23-01446
Status:
complete
Fee:
$107
Permit Type:
N/A
Building Type:
N/A
4803 w woodlawn ct single family single fixture
Valuation:
$600
Permit #:
PLB-22-01062
Status:
complete
Fee:
$107
Permit Type:
N/A
Building Type:
N/A
3012 n downer av duplex single fixture
Valuation:
$600
Permit #:
PLB-23-01448
Status:
complete
Fee:
$107
Permit Type:
N/A
Building Type:
N/A
2071 s layton bl duplex single fixture
Valuation:
$600
Permit #:
PLB-23-01447
Status:
complete
Fee:
$107
Permit Type:
N/A
Building Type:
N/A
2812 s austin st duplex single fixture
Valuation:
$600
Permit #:
PLB-23-01444
Status:
complete
Fee:
$107
Permit Type:
N/A
Building Type:
N/A
3373 s 84th st multi-family single fixture
Valuation:
$600
Permit #:
PLB-23-01443
Status:
complete
Fee:
$120
Permit Type:
N/A
Building Type:
N/A
4011 s 76th st duplex single fixture
Valuation:
$600
Permit #:
PLB-23-01449
Status:
complete
Fee:
$107
Permit Type:
N/A
Building Type:
N/A
937 s 28th st duplex single fixture
Valuation:
$600
Permit #:
PLB-23-01445
Status:
complete
Fee:
$107
Permit Type:
N/A
Building Type:
N/A
R/r bfp for boiler - 2933 w lapham st - mario's plumbing
Valuation:
$600
Permit #:
PLB-22-03874
Status:
complete
Fee:
$107
Permit Type:
N/A
Building Type:
N/A
Plumbing - 2608 n humboldt bl - mario's plumbing
Valuation:
$600
Permit #:
PLB-22-01066
Status:
issued
Fee:
$107
Permit Type:
N/A
Building Type:
N/A
4822 w washington bl single family single fixture
Valuation:
$500
Permit #:
PLB-21-00118
Status:
complete
Fee:
$107
Permit Type:
N/A
Building Type:
N/A
4837 w wisconsin av single family single fixture
Valuation:
$500
Permit #:
PLB-21-00113
Status:
complete
Fee:
$107
Permit Type:
N/A
Building Type:
N/A
Plumbing - 3161 s lenox st - mario's plumbing
Valuation:
$600
Permit #:
PLB-22-03873
Status:
complete
Fee:
$107
Permit Type:
N/A
Building Type:
N/A
Plumbing - 2073 s 31st st - mario's plumbing
Valuation:
$600
Permit #:
PLB-22-03872
Status:
complete
Fee:
$107
Permit Type:
N/A
Building Type:
N/A
Plumbing - 3117 w madison st - mario's plumbing
Valuation:
$600
Permit #:
PLB-22-01065
Status:
complete
Fee:
$107
Permit Type:
N/A
Building Type:
N/A
Plumbing - 5801 w stack dr - mario's plumbing
Valuation:
$600
Permit #:
PLB-22-01064
Status:
issued
Fee:
$107
Permit Type:
N/A
Building Type:
N/A
3047 s howell av multi-family single fixture
Valuation:
$600
Permit #:
PLB-22-01059
Status:
complete
Fee:
$107
Permit Type:
N/A
Building Type:
N/A
3020 w arthur av single family single fixture
Valuation:
$600
Permit #:
PLB-22-01058
Status:
issued
Fee:
$107
Permit Type:
N/A
Building Type:
N/A
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Verified License
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Hartlaub, Mario T License info
Verified License
| License # | 224646 - PM |
| Status | Active |
| City | Wisconsin Rapids |
| Type | Plumber |
- BuildZoom verified this license was active as of August 2025.
Verify this license's status for Hartlaub, Mario T at the City of Wisconsin Rapids.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 224646 |
| Status | Active |
| City | Milwaukee |
| Type | Plumbing |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Hartlaub, Mario T at the City of Milwaukee License Search.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 224646 |
| Status | Active |
| State | Wisconsin |
| Type | Plumber |
- BuildZoom has not verified this license since March, 2023.
Verify this license's status for Hartlaub, Mario T at the Wisconsin Department of Safety and Professional Services.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 1124761 |
| Status | Active |
| State | Wisconsin |
| Type | Building Contractor Registration |
- BuildZoom has not verified this license since June, 2015.
Verify this license's status for Hartlaub, Mario T at the Wisconsin Department of Safety and Professional Services.
This is a sample of licensing data; click here to access a complete history.
106
BuildZoom Score
Insured
| Insurer | Erie Insurance |
172
Permits
- Building permit records show that Hartlaub, Mario T has worked on 172 permitted projects.
Hartlaub, Mario T Employees
HM
Hartlaub Mario
MH
Mario J Hartlaub
MH
Mario T Hartlaub
Owner