Updated: Jul 12, 2026
Location and Projects
Address
208 NW 20TH STREET SUITE 2, Westminster, CO, 80036
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Nielson Underground Construction
Nielson Underground, (Owned by: Nielson Underground D6) holds a General Contractor license and 6 other licenses according to the Westminster license board.
Their BuildZoom score of 98 ranks in the top 16% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Nielson Underground, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Nielson Underground Services
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Nielson Underground Contact Information
Phone Number: (308) 414-1792
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Address: 208 NW 20TH STREET SUITE 2CO 80036
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Telecomm installation
Valuation:
N/A
Permit #:
ROW23-0518
Status:
issued
Fee:
$50
Permit Type:
Right of way
Building Type:
N/A
Bore210ft trench 11ft and 2 30"x60"x30 handhole
Valuation:
N/A
Permit #:
ROW22-01124
Status:
issued
Fee:
$561
Permit Type:
Directional boring
Building Type:
N/A
Telecomm installation
Valuation:
N/A
Permit #:
ROW23-0516
Status:
issued
Fee:
$250
Permit Type:
Right of way
Building Type:
N/A
Telecomm installation
Valuation:
N/A
Permit #:
ROW23-0515
Status:
issued
Fee:
$250
Permit Type:
Right of way
Building Type:
N/A
Telecomm installation
Valuation:
N/A
Permit #:
ROW23-0514
Status:
issued
Fee:
$250
Permit Type:
Right of way
Building Type:
N/A
Telecomm installation
Valuation:
N/A
Permit #:
ROW23-0513
Status:
issued
Fee:
$250
Permit Type:
Right of way
Building Type:
N/A
Telecomm installation
Valuation:
N/A
Permit #:
ROW23-0512
Status:
issued
Fee:
$250
Permit Type:
Right of way
Building Type:
N/A
Bore 519 and place 2 conduit. trench 10 place (3) vaults
Valuation:
N/A
Permit #:
ROW25-0719
Status:
issued
Fee:
$250
Permit Type:
Right of way
Building Type:
N/A
Bore 500 and place 2 conduit. trench 10 place (3) vaults
Valuation:
N/A
Permit #:
ROW25-0717
Status:
issued
Fee:
$250
Permit Type:
Right of way
Building Type:
N/A
Bore 210ft trench 11ft 2 30"x60"x30 hh
Valuation:
N/A
Permit #:
ROW22-01139
Status:
canceled
Fee:
N/A
Permit Type:
Directional boring
Building Type:
N/A
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Nielson Underground Reviews
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Verified License
BuildZoom confirmed this contractor's license
Nielson Underground License info
Verified License
| License # | 2504894 |
| Status | Active |
| City | Westminster |
| Type | General Contractor |
| Date Issued | 12-10-2025 |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Nielson Underground at the City of Westminster, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | LIC-01005571 |
| Status | Active |
| City | Boulder |
| Type | Right Of Way |
| Class | Right-of-Way |
| Date Issued | 04-30-2026 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Nielson Underground at the Boulder Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CON-25-0201 |
| Status | Active |
| County | Boulder County |
| Type | Miscellaneous |
| Date Issued | 09-10-2025 |
- BuildZoom verified this license was active as of November 2025.
Verify this license's status for Nielson Underground at the Boulder County Land Use Department.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 2202402 |
| Status | Active |
| City | Westminster |
| Type | Public Way Contractor |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Nielson Underground at the City of Westminster, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Denver |
| Type | Row Excavator |
- BuildZoom verified this license was active as of July 2026.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | AEC001163 |
| Status | Inactive |
| City | Littleton |
| Type | Contractor |
- According to the The City of Littleton, CO, 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 Nielson Underground at the The City of Littleton, CO.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LCC202100164 |
| Status | Inactive |
| City | Thornton |
| Type | Class D Excavation/Grading |
- According to the Thornton City Development Contractor License, 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 Nielson Underground at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
98
BuildZoom Score
8
Permits
- Building permit records show that Nielson Underground has worked on 8 permitted projects.
Nielson Underground Employees
JN
Jerrod Nielson
ND
Nielson Underground D6
Owner
TN
Taylor Nielson
Owner