Location and Projects
Derr and Gruenewald Construction
Derr and Gruenewald Construction, Henderson, CO (Owned by: Jonathan Gruenewald, William Gruenewald, Robert Derr) holds a Steel Erection (Stl) license and 16 other licenses according to the Virginia license board.
Their BuildZoom score of 108 ranks in the top 5% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Derr and Gruenewald Construction, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Derr and Gruenewald Construction Services
Derr and Gruenewald Construction Contact Information
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Building Permits by Derr and Gruenewald Construction
This is a sample of this contractor's permits. Click here to access their complete permit history.
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Derr and Gruenewald Construction License info
Verified License
| License # | 2705170926 |
| Status | Active |
| State | Virginia |
| Type | Steel Erection (Stl) |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Derr and Gruenewald Construction at the Virginia Department of Professional and Occupational Regulation.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | RCE-40980 |
| Status | Active |
| State | Idaho |
| Type | General Contractor Registration |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Derr and Gruenewald Construction at the State of Idaho Bureau Of Occupational Licenses.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 0083297 |
| Status | Active |
| State | Nevada |
| Type | C 14 Steel Reinforcing And Erection |
| Business Type | Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Derr and Gruenewald Construction at the Nevada State Contractors Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 1043748 |
| Status | Active |
| State | California |
| Type | Steel, Structural |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Derr and Gruenewald Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | DERRGGC852BN |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Derr and Gruenewald Construction at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 17554 |
| Status | Active |
| State | Nevada |
| Type | C14 - Steel Reinforcing And Erection |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of June, 2014. Check the current license status of Derr and Gruenewald Construction with the Nevada State Contractors Board
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 55843 |
| Status | Active |
| State | Nevada |
| Type | C14 - Steel Reinforcing And Erection |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of July, 2014. Check the current license status of Derr and Gruenewald Construction with the Nevada State Contractors Board
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 4022 |
| Status | Active |
| State | North Dakota |
| Type | Corporation |
| Class | Class A - Unlimited contract amount |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of March, 2016. Check the current license status of Derr and Gruenewald Construction with the North Dakota Secretary of State
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 0082556 |
| Status | Inactive |
| State | Nevada |
| Type | C 14 Steel Reinforcing And Erection |
| Business Type | Corporation |
- According to the Nevada State Contractors Board, 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 Derr and Gruenewald Construction at the Nevada State Contractors Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LIC-0006008-ROW |
| Status | Inactive |
| City | Boulder |
| Type | Right Of Way |
| Class | Right-of-Way |
| Business Type | Corporation |
- According to the Boulder Licensing Board, 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 Derr and Gruenewald Construction at the Boulder Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Denver |
| Business Type | Corporation |
- According to the City and County of Denver Community Planning and Development, 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 | Denver |
| Business Type | Corporation |
- According to the City and County of Denver Community Planning and Development, 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
| License # | 0017554 |
| Status | Inactive |
| State | Nevada |
| Type | C 14 Steel Reinforcing And Erection |
| Business Type | Corporation |
- According to the Nevada State Contractors Board, 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 Derr and Gruenewald Construction at the Nevada State Contractors Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 0055843 |
| Status | Inactive |
| State | Nevada |
| Type | C 14 Steel Reinforcing And Erection |
| Business Type | Corporation |
- According to the Nevada State Contractors Board, 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 Derr and Gruenewald Construction at the Nevada State Contractors Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | DERRGCC150PM |
| Status | Inactive |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Corporation |
- According to the Washington State Department of Labor & Industries, 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 Derr and Gruenewald Construction at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 453828 |
| Status | Inactive |
| State | California |
| Type | Steel, Structural |
| Business Type | Corporation |
- According to the California Contractors State License Board, 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 Derr and Gruenewald Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | DERRGGC862CJ |
| Status | Inactive |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Corporation |
- According to the Washington State Department of Labor & Industries, 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 Derr and Gruenewald Construction at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
108
BuildZoom Score
Insured
| Insurer | Zurich American Ins Co |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Arch Insurance Company |
| Bond Value | $50,000 |
Insured
| Workers Comp Provider | Zurich American Insurance Company |
29
Permits
- Building permit records show that Derr and Gruenewald Construction has worked on 29 permitted projects.