Updated: Jul 17, 2026
Location and Projects
Address
12 S JACKSON ST, Elkhorn, WI, 53121
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Derek's Plumbing & Hydronic Heating
Derek's Plumbing & Hydronic Heating, 12 S Jackson St, Elkhorn, WI (Owned by: Derek D Harkness) holds a Hvac Contractor, Regular, False license and 7 other licenses according to the Wisconsin Rapids license board.
Their BuildZoom score of 86 does not rank in the top 50% of Wisconsin contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Derek's Plumbing & Hydronic Heating, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Derek's Plumbing & Hydronic Heating Services
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Derek's Plumbing & Hydronic Heating Contact Information
Phone Number: (262) 723-4240
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Address: 12 S JACKSON ST, Elkhorn, WI 53121
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Derek's Plumbing & Hydronic Heating Elkhorn
Quality
86
21st percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Derek's Plumbing & Hydronic Heating has a BuildZoom score of 86, which places them above 21% of 94,017 contractors in Wisconsin.
Activity
|
1 project
|
2025 |
Our building permit records indicate that Derek's Plumbing & Hydronic Heating has worked on at least
1.0 project 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 |
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 Derek's Plumbing & Hydronic Heating
This is a sample of this contractor's permits. Click here to access their complete permit history.
Residence - rpr/replc leaky meter setting
Valuation:
$500
Permit #:
PLB-18-01245
Status:
complete
Fee:
$90
Permit Type:
N/A
Building Type:
N/A
New installation basement bathroom replace other plumbing fixtures in house and water heater
Valuation:
$4,500
Permit #:
1084442
Status:
N/A
Fee:
$334
Permit Type:
N/A
Building Type:
Residential: sing...
Plumbing - derek harkness 4436 n 73
Valuation:
$7,500
Permit #:
PLB-17-03136
Status:
canceled
Fee:
$182
Permit Type:
N/A
Building Type:
N/A
Hvac
Valuation:
$7,500
Permit #:
HVAC-GEN-17-02389
Status:
complete
Fee:
$177
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$2,500
Permit #:
RES-ALT-17-00488
Status:
issued
Fee:
$78
Permit Type:
N/A
Building Type:
N/A
Installation of new furnace and air conditioner
Valuation:
$4,500
Permit #:
1087375
Status:
N/A
Fee:
$56
Permit Type:
N/A
Building Type:
Single-family dwe...
Installation of new furnace and air conditioner
Valuation:
$4,500
Permit #:
1087374
Status:
N/A
Fee:
$71
Permit Type:
N/A
Building Type:
Single-family dwe...
Repair/replace items - water heater
Valuation:
$2,200
Permit #:
1089361
Status:
N/A
Fee:
$81
Permit Type:
N/A
Building Type:
Residential: sing...
Install new furnace and water heater
Valuation:
$4,300
Permit #:
1089354
Status:
N/A
Fee:
$56
Permit Type:
N/A
Building Type:
Single-family dwe...
Repair/replace items
Valuation:
$4,500
Permit #:
1066541
Status:
N/A
Fee:
$995
Permit Type:
N/A
Building Type:
Residential: sing...
Info - residential drain tile
Valuation:
N/A
Permit #:
RES-ALT-17-00738
Status:
withdrawn
Fee:
$6
Permit Type:
N/A
Building Type:
N/A
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Derek's Plumbing & Hydronic Heating Reviews
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Verified License
BuildZoom confirmed this contractor's license
Derek's Plumbing & Hydronic Heating License info
Verified License
| License # | 1064953 - HVACCONT |
| Status | Active |
| City | Wisconsin Rapids |
| Type | Hvac Contractor, Regular, False |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Derek's Plumbing & Hydronic Heating at the City of Wisconsin Rapids.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 221552 - PM |
| Status | Active |
| City | Wisconsin Rapids |
| Type | Plumber |
- BuildZoom verified this license was active as of August 2025.
Verify this license's status for Derek's Plumbing & Hydronic Heating at the City of Wisconsin Rapids.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 1064953-HVACCONT |
| Status | Active |
| State | Wisconsin |
| Type | Hvac Contractor |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Derek's Plumbing & Hydronic Heating at the Wisconsin Department of Safety and Professional Services.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 221552 |
| Status | Inactive |
| City | Milwaukee |
| Type | Plumbing |
- 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 Derek's Plumbing & Hydronic Heating at the City of Milwaukee License Search.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1064953 |
| 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 Derek's Plumbing & Hydronic Heating at the City of Milwaukee License Search.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 0200258 |
| Status | Inactive |
| City | Milwaukee |
| Type | 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 Derek's Plumbing & Hydronic Heating at the City of Milwaukee License Search.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Milwaukee |
| Type | Home Improvement Contractor's License |
- 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Milwaukee |
| Type | Home Improvement Contractor's License |
- 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.
This is a sample of licensing data; click here to access a complete history.
86
BuildZoom Score
Insured
| Insurer | Farmers Insurance |
Derek's Plumbing & Hydronic Heating Employees
DH
Derek D Harkness
Owner
DH
Derek Harkness
HD
Harkness Derek