Updated: May 29, 2026
Location and Projects
Address
N6759 Karst Dr, Eldorado, WI, 54932
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Karst Builders Construction
Karst Builders Inc, N6759 Karst Dr, Eldorado, WI (Owned by: Carl J Karst) holds a Dwelling Contractor, Regular license and 1 other license according to the Wisconsin Rapids license board.
Their BuildZoom score of 97 ranks in the top 18% of 94,017 Wisconsin licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Karst Builders Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Karst Builders Inc Services
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Karst Builders Inc Contact Information
Phone Number: (920) 921-1906
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Address: N6759 Karst Dr, Eldorado, WI 54932
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Karst Builders Inc Eldorado
Quality
97
82nd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Karst Builders Inc has a BuildZoom score of 97, which places them above 82% of 94,017 contractors in Wisconsin.
Activity
|
1 project
|
2025 |
|
1 project
|
2023 |
Our building permit records indicate that Karst Builders Inc has worked on at least
2.0 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.
Pricing
|
1 project
|
< $5k |
|
1 project
|
$20k-$50k |
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.
Interior remodel to include remove plaster and lathe in living room den and bedroom on the first floor. removing half wall in kitchen and a wall in living room to enlarge bedroom. existing windows in bedroom will provide 8% natural light and 4% ventilation. new beams columns and bedroom/living room wall added per plans submitted. all new loads will transfer to existing foundation wall... see more
Valuation:
$50,000
Permit #:
202507981
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residing house and garage. this permit does not include any mechanical work. any electrical violations created during the course of this project shall be corrected in a code complaint manner. please note that a licensed electrical contractor may be required to make the necessary alterations. all work to meets state and local codes
Valuation:
$24,454
Permit #:
202300705
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Interior demolish for exploratory work for future interior remodel project. separate permits will be required for any work beyond the demolish
Valuation:
$1,000
Permit #:
202507555
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Sfr / replace steel with vinyl siding on the house and attached garage also install (7) replacement windows and (1) patio door - sames sizes and locations also install trim inside - no structural changes check #1414
Valuation:
$26,764
Permit #:
157129
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installing new steel siding on the house and attached garage. this permit also includes gutters, typar, soffit, fascia and insulation on the porch wall.
Valuation:
$14,905
Permit #:
201400315
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Sfr/ installing siding and insulation board on the house, wrapping soffit and fascia and installing gutter toppers. the owner will be responsible for the electrical work.
Valuation:
$15,797
Permit #:
108103
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Sfr/ siding, soffit and fascia installation of steel siding, soffit, fascia and gutters for the house. this permit does not include any electrical work. check #14315
Valuation:
$14,206
Permit #:
145899
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Sfr/ install soffit, fascia, gutters and downspouts ck #1447
Valuation:
$4,800
Permit #:
158387
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Sfr / install siding on house. tear off, insulate and wrap windows. advance electric will take outelectrical permit.
Valuation:
$10,637
Permit #:
138769
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Sfr\ soffit and fascia
Valuation:
$2,800
Permit #:
158540
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Karst Builders Inc Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Karst Builders Inc License info
Verified License
| License # | 049500222 - DC |
| Status | Active |
| City | Wisconsin Rapids |
| Type | Dwelling Contractor, Regular |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Karst Builders Inc at the City of Wisconsin Rapids.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 2962-DCFR |
| Status | Active |
| State | Wisconsin |
| Type | Dwelling Contractor |
| Date Issued | 06-17-2025 |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Karst Builders Inc at the Wisconsin Department of Safety and Professional Services.
This is a sample of licensing data; click here to access a complete history.
97
BuildZoom Score
9
Permits
- Building permit records show that Karst Builders Inc has worked on 9 permitted projects.
Karst Builders Inc Employees
CK
Carl J Karst
Owner