Updated: Feb 18, 2026
Location and Projects
Address
1050 Valentine Drive, Dubuque, IA, 52003
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Maas Heating Inc
Maas Heating Inc, 1050 Valentine Dr, Dubuque, IA (Owned by: Ricky L Maas) holds a Contractor license and 2 other licenses according to the Iowa license board.
Their BuildZoom score of 97 ranks in the top 18% of 39,764 Iowa licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Maas Heating Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Maas Heating Inc Contact Information
Phone Number: (563) 557-7861
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Address: 1050 Valentine Drive, Dubuque, IA 52003
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Gas pressure test for unit 2 - upstairs apartment
Valuation:
N/A
Permit #:
P18-0089
Status:
issued
Fee:
$25
Permit Type:
N/A
Building Type:
N/A
Replace a 60, 000 btu furnace and a 2-ton air conditioning unit
Valuation:
N/A
Permit #:
M21-0459
Status:
issued
Fee:
$45
Permit Type:
N/A
Building Type:
N/A
Install 85 gallon water heater
Valuation:
N/A
Permit #:
P20-0087
Status:
issued
Fee:
$23
Permit Type:
N/A
Building Type:
N/A
Install rpz & expansion tank
Valuation:
N/A
Permit #:
P19-0144
Status:
issued
Fee:
$25
Permit Type:
N/A
Building Type:
N/A
Gas pressure test
Valuation:
N/A
Permit #:
P19-0713
Status:
issued
Fee:
$25
Permit Type:
N/A
Building Type:
N/A
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Maas Heating Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
Maas Heating Inc License info
Verified License
| License # | C130598 |
| Status | Active |
| State | Iowa |
| Type | Contractor |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for Maas 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 # | 50425-CL |
| Status | Active |
| State | Iowa |
| Type | Plumbing And Mechanical |
- When BuildZoom last verified this license, it had an expiration date of June, 2023. Check the current license status of Maas 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 # | C000148 |
| Status | Inactive |
| State | Iowa |
| Type | Contractor |
- 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 Maas Heating Inc at the Iowa Workforce Development Agency.
This is a sample of licensing data; click here to access a complete history.
97
BuildZoom Score
Bonded
| Bond Value | $1 |
Maas Heating Inc Employees
RM
Ricky L Maas
Owner
RM
Ricky Maas
Owner