Updated: May 15, 2026
Location and Projects
Address
1002 W Lincoln Way, Marshalltown, IA, 50158
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Hartwig Plumbing & Heating Inc
Hartwig Plumbing & Heating Inc, 1002 W Lincoln Way, Marshalltown, IA (Owned by: Keith R Brown) holds a Contractor license and 2 other licenses according to the Iowa license board.
Their BuildZoom score of 92 ranks in the top 32% of 39,764 Iowa licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Hartwig Plumbing & Heating Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Hartwig Plumbing & Heating Inc Services
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Hartwig Plumbing & Heating Inc Contact Information
Phone Number: (641) 752-5707
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Address: 1002 W Lincoln Way, Marshalltown, IA 50158
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Building Permits by Hartwig Plumbing & Heating Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
31-85-17 w 615 of s 1378 sw
Valuation:
$280,000
Permit #:
BP-2011-2511
Status:
approved
Fee:
$860
Permit Type:
N/A
Building Type:
N/A
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Hartwig Plumbing & Heating Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
Hartwig Plumbing & Heating Inc License info
Verified License
| License # | C130159 |
| Status | Active |
| State | Iowa |
| Type | Contractor |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Hartwig Plumbing & Heating Inc at the Iowa Workforce Development Agency.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 50900-CL |
| Status | Active |
| State | Iowa |
| Type | Plumbing And Mechanical |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of June, 2023. Check the current license status of Hartwig Plumbing & Heating Inc with the Iowa Department of Public Health
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | C088056 |
| Status | Inactive |
| State | Iowa |
| Type | Contractor |
| Business Type | Corporation |
- According to the Iowa Workforce Development Agency, 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 Hartwig Plumbing & Heating Inc at the Iowa Workforce Development Agency.
This is a sample of licensing data; click here to access a complete history.
92
BuildZoom Score
Bonded
| Bond Value | $1 |
Hartwig Plumbing & Heating Inc Employees
KB
Keith Brown
Owner
KB
Keith R Brown
Owner
MD
Matt Demmel
Master Of Record