Updated: Jun 23, 2026
Location and Projects
Address
110 N 121st St, Milwaukee, WI, 53201
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Proserv Plumbing and Heating LLC
Proserv Plumbing and Heating LLC, 110 N 121st St, Milwaukee, WI (Owned by: Jon Weis) holds a Hvac Contractor license and 4 other licenses according to the Milwaukee license board.
Their BuildZoom score of 112 ranks in the top 3% of 94,017 Wisconsin licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Proserv Plumbing and Heating LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Proserv Plumbing and Heating LLC Services
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Proserv Plumbing and Heating LLC Contact Information
Phone Number: (414) 771-7885
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Address: 110 N 121st St, Milwaukee, WI 53201
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Proserv Plumbing and Heating LLC Milwaukee
Quality
112
97th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Proserv Plumbing and Heating LLC has a BuildZoom score of 112, which places them above 97% of 94,017 contractors in Wisconsin.
Activity
|
45 projects
|
2025 |
|
34 projects
|
2024 |
|
29 projects
|
2023 |
Our building permit records indicate that Proserv Plumbing and Heating LLC has worked on at least
108.0 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
|
103 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that Proserv Plumbing and Heating LLC mostly works on
hvac project
projects.
Pricing
|
38 projects
|
< $5k |
|
46 projects
|
$5k-$20k |
|
3 projects
|
$20k-$50k |
The typical size of their permits is approximately $5,800. This graph shows the distribution of these job values.
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.
Building Permits by Proserv Plumbing and Heating LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Kitchen and powder room remodel - dishwasher disposal 2 ice makers 2 sinks water closet
Valuation:
N/A
Permit #:
P25-0053
Status:
issued
Fee:
$75
Permit Type:
Remodel
Building Type:
N/A
Remodel kitchen and powder room - aav dishwasher ice maker sink and water closet
Valuation:
$2,200
Permit #:
P25-0231
Status:
issued
Fee:
$75
Permit Type:
Remodel
Building Type:
N/A
Bathroom remodels - bathroom 2 showers 4 sinks 2 water closets
Valuation:
$9,500
Permit #:
P25-0249
Status:
issued
Fee:
$90
Permit Type:
Remodel
Building Type:
N/A
Remodel - bathroom 2 showers 3 sinks 2 water closets
Valuation:
$7,000
Permit #:
P25-0145
Status:
issued
Fee:
$80
Permit Type:
Remodel
Building Type:
N/A
Furnace replacement (permit not required for direct replacement of air conditioning on a 1 or 2 family home. unless address is historic or brand new installment)
Valuation:
$7,600
Permit #:
HVAC-GEN-22-01565
Status:
complete
Fee:
$66
Permit Type:
N/A
Building Type:
N/A
Furnace replacement (permit not required for direct replacement of air conditioning on a 1 or 2 family home. unless address is historic or brand new installment)
Valuation:
$7,600
Permit #:
HVAC-GEN-22-01565
Status:
complete
Fee:
$66
Permit Type:
N/A
Building Type:
N/A
Remodel kitchen and bathroom - dishwasher ice maker 2 sinks water closet
Valuation:
N/A
Permit #:
P23-1784
Status:
final
Fee:
$65
Permit Type:
Remodel
Building Type:
N/A
Bathroom remodel - shower 2 sinks water closet and water distribution
Valuation:
N/A
Permit #:
P23-1612
Status:
final
Fee:
$90
Permit Type:
Remodel
Building Type:
N/A
Remodel kitchen/powder room - ductwork
Valuation:
N/A
Permit #:
P25-0052
Status:
issued
Fee:
$75
Permit Type:
Ductwork
Building Type:
N/A
Single family dwelling- 1 fixture
Valuation:
$4,200
Permit #:
PLB-25-02848
Status:
issued
Fee:
$106
Permit Type:
N/A
Building Type:
N/A
Single family dwelling- 1 fixture
Valuation:
$4,000
Permit #:
PLB-25-02576
Status:
issued
Fee:
$106
Permit Type:
N/A
Building Type:
N/A
Air conditioning and duct work
Valuation:
$14,000
Permit #:
HVAC-GEN-25-01454
Status:
issued
Fee:
$132
Permit Type:
N/A
Building Type:
N/A
Kitchen remodel - ductwork (exhaust)
Valuation:
$2,000
Permit #:
P25-0232
Status:
issued
Fee:
$75
Permit Type:
Ductwork
Building Type:
N/A
Pro serv plumbing heating cooling llc
Valuation:
$4,200
Permit #:
PLB-25-00958
Status:
complete
Fee:
$150
Permit Type:
N/A
Building Type:
N/A
Single family
Valuation:
$43,750
Permit #:
PLB-25-00103
Status:
issued
Fee:
$130
Permit Type:
N/A
Building Type:
N/A
Kitchen and bathroom remodel - dishwasher disposal ice maker shower 3 sinks water closet
Valuation:
N/A
Permit #:
P22-1783
Status:
final
Fee:
$80
Permit Type:
Remodel
Building Type:
N/A
Two bathroom remodels - ductwork
Valuation:
$1,500
Permit #:
P25-0144
Status:
final
Fee:
$75
Permit Type:
General
Building Type:
N/A
Kitchen remodel - dishwasher disposal ice maker and sink
Valuation:
N/A
Permit #:
P24-1929
Status:
issued
Fee:
$75
Permit Type:
Remodel
Building Type:
N/A
Remodel 2 bathrooms - 2 baths 2 sinks 2 water closets
Valuation:
N/A
Permit #:
P24-0102
Status:
final
Fee:
$65
Permit Type:
Remodel
Building Type:
N/A
Residential - 1 fixture
Valuation:
$500
Permit #:
PLB-25-01428
Status:
complete
Fee:
$106
Permit Type:
N/A
Building Type:
N/A
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Proserv Plumbing and Heating LLC Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Proserv Plumbing and Heating LLC License info
Verified License
| License # | 223850 - HVACQ |
| Status | Active |
| City | Milwaukee |
| Type | Hvac Contractor |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Proserv Plumbing and Heating LLC at the City of Milwaukee License Search.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 223850 |
| Status | Active |
| City | Milwaukee |
| Type | Plumbing |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Proserv Plumbing and Heating LLC at the City of Milwaukee License Search.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Milwaukee |
| Type | Home Improvement Contractor's License |
- BuildZoom verified this license was active as of June 2026.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 990833 |
| Status | Inactive |
| City | Milwaukee |
| Type | Hvac Contractor |
- According to the City of Milwaukee License Search, 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 Proserv Plumbing and Heating LLC at the City of Milwaukee License Search.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 990833-HVACCONT |
| Status | Inactive |
| State | Wisconsin |
| Type | Hvac Contractor |
- According to the Wisconsin Department of Safety and Professional Services, 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 Proserv Plumbing and Heating LLC at the Wisconsin Department of Safety and Professional Services.
This is a sample of licensing data; click here to access a complete history.
112
BuildZoom Score
Insured
| Insurer | Wilson Mutual |
349
Permits
- Building permit records show that Proserv Plumbing and Heating LLC has worked on 349 permitted projects.
Proserv Plumbing and Heating LLC Employees
JW
Jon P Weis
JW
Jon Weis
Owner