Updated: Jun 23, 2026
Location
Address
521 5Th Street NW, Dyersville, IA, 52040
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Demmer Mechanical Corp
Demmer Mechanical Corp, 521-5 Th St NW, Dyersville, IA (Owned by: Allan Demmer) holds a Electrical 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 Demmer Mechanical Corp, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Demmer Mechanical Corp Contact Information
Phone Number: (563) 875-8544
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Address: 521 5Th Street NW, Dyersville, IA 52040
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Demmer Mechanical Corp License info
Verified License
| License # | EL000506EC |
| Status | Active |
| State | Iowa |
| Type | Electrical Contractor |
| Business Type | Corporation |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Demmer Mechanical Corp at the Iowa Department of Public Safety.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | C137743 |
| Status | Active |
| State | Iowa |
| Type | Contractor |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of June, 2026. Check the current license status of Demmer Mechanical Corp with the Iowa Workforce Development Agency
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 52541-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 Demmer Mechanical Corp with the Iowa Department of Public Health
This is a sample of licensing data; click here to access a complete history.
92
BuildZoom Score
Bonded
| Bond Value | $1 |
Demmer Mechanical Corp Employees
AD
Allan Demmer
Owner
MB
Michael Betts
Master Of Record
TF
Timothy Fitzgerald
Master Of Record