Updated: Nov 17, 2025
Location and Projects
Address
3933 S MARIPOSA ST, Englewood, CO, 80110
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A-mac Underground Site Work Contractor
A-mac Underground Inc, 3933 S Mariposa St, Englewood, CO (Owned by: Mcmahon John E) holds a D Water Service license and 31 other licenses according to the Denver license board.
Their BuildZoom score of 97 ranks in the top 18% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring A-mac Underground Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
A-mac Underground Inc Contact Information
Phone Number: (720) 299-9420
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Address: 3933 S MARIPOSA ST, Englewood, CO 80110
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Building Permits by A-mac Underground Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
4637 n central park - chili's restaurant new ground up construction for a chili's restaurant
Valuation:
N/A
Permit #:
2021-SUDP-0003619
Status:
issued
Fee:
$56,640
Permit Type:
New
Building Type:
N/A
Renovation of existing story and a half single family residence and main floor addition of a master suite. new 2-car garage
Valuation:
N/A
Permit #:
2020-SUDP-0002982
Status:
issued
Fee:
$210
Permit Type:
Addition & altera...
Building Type:
N/A
96th & biscay or settlers temp asphalt tie-in
Valuation:
N/A
Permit #:
ROW23-00140
Status:
final
Fee:
$1,205
Permit Type:
N/A
Building Type:
N/A
Bore 1-4 slleve for irrigation n to s crossing thistle 130 on e side of 50th. bore 1-4 for irrigation crossing 50th e to w to new median 40
Valuation:
$3,200
Permit #:
BP-18-00826
Status:
final
Fee:
$86
Permit Type:
N/A
Building Type:
N/A
Drill in conduit for fiber optic run to feed to ralph moody
Valuation:
N/A
Permit #:
ERW18-0490
Status:
final
Fee:
$365
Permit Type:
Contractor
Building Type:
N/A
Directional boring for fiber at 81st and tower
Valuation:
N/A
Permit #:
ROW23-00141
Status:
final
Fee:
$2,084
Permit Type:
N/A
Building Type:
N/A
Replacing sidewalk panel 4x5; see erw19-0002
Valuation:
N/A
Permit #:
ERW19-0028
Status:
final
Fee:
$110
Permit Type:
Contractor
Building Type:
N/A
R/r wtr svc
Valuation:
$750
Permit #:
2018-PLUMB-0003532
Status:
issued
Fee:
$35
Permit Type:
N/A
Building Type:
Single family res...
Underground fire line and water service
Valuation:
N/A
Permit #:
2018-FIRE-0001921
Status:
final
Fee:
$59
Permit Type:
N/A
Building Type:
N/A
Potholing only along the south side of the 6th avenue service road starting approximately 200' west of arbutus and going east to approximately van gordon street to get utility information for plan & profile for future bore of zayo fiber facilities
Valuation:
$0
Permit #:
PW*1403388*1
Status:
N/A
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Potholing only for utility information to prepare plan & profile for future bore of zayo group facilities. just south of belleview, crossing south kipling street and running along the south side of belleview from kipling to wadsworth
Valuation:
$0
Permit #:
PW*1402834*1
Status:
N/A
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Potholing only for preparation of future plan & profile for installation of fiber for the zayo group. running along the west side of south wadsworth blvd from jefferson to mansfield, and crossing wadsworth just south of jefferson ave
Valuation:
$0
Permit #:
PW*1402684*1
Status:
N/A
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Run 2 conduit from row to school
Valuation:
N/A
Permit #:
ERW19-0002
Status:
final
Fee:
$225
Permit Type:
Contractor
Building Type:
N/A
Run 2 conduit from row to school
Valuation:
N/A
Permit #:
ERW19-0001
Status:
final
Fee:
$225
Permit Type:
Contractor
Building Type:
N/A
Potholing only across denver west marriott parkway at south leg of intersection with denver west parkway to locate utilities for preparation of plan & profile for future bore of conduit for zayo group
Valuation:
$0
Permit #:
PW*1403713*1
Status:
N/A
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Potholing of all utilities along future running line of bore for zayo group; along west side of sheridan from 6th avenue to 10th avenue, and along 5th avenue west to ames, and along 6th ave service road
Valuation:
$0
Permit #:
PW*1401899*1
Status:
N/A
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Potholing only of utilities to prepare plan & profile for future bore of zayo fiber facilities. south side of belleview just west of wadsworth, then south on west side of wadsworth to crestline ave.
Valuation:
$0
Permit #:
PW*1403397*1
Status:
N/A
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Potholing across kipling just south of belleview, and across belleview just east of kipling for future plan & profile to install zayo fiber via directional bore
Valuation:
$0
Permit #:
PW*1402834*2
Status:
N/A
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Potholing only of utilities along the south side of west 15th place west of kipling to prepare plan & profile for future bore to install fiber for zayo
Valuation:
$0
Permit #:
PW*1402107*1
Status:
N/A
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Pothole for future bore to install fiber for cell facility zayo group at s wadsworth & belleview intersection to northwest corner of crestline ave
Valuation:
$0
Permit #:
PW*1403335*1
Status:
N/A
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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A-mac Underground Inc License info
Verified License
| Status | Active |
| City | Denver |
| Type | D Water Service |
- BuildZoom verified this license was active as of November 2025.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Denver |
| Type | Row Sewer Contractor |
- BuildZoom verified this license was active as of November 2025.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AEC700 |
| Status | Active |
| Town | Parker |
| Type | Contractor |
- BuildZoom verified this license was active as of October 2025.
Verify this license's status for A-mac Underground Inc at the The Town of Parker, Colorado.
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Verified License
| Status | Active |
| City | Denver |
| Type | D Water Service |
- BuildZoom has not verified this license since September, 2024.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | SPC2755497 |
| Status | Active |
| City | Lafayette |
| Type | Special Contractor |
- When BuildZoom last verified this license, it had an expiration date of July, 2020. Check the current license status of A-mac Underground Inc with the City of Lafayette
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| City | Denver |
- When BuildZoom last verified this license, it had an expiration date of April, 2021. Check the current license status of A-mac Underground Inc with the City and County of Denver Community Planning and Development
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| City | Arvada |
| Type | Row Contractor, Utility Service |
- When BuildZoom last verified this license, it had an expiration date of April, 2016. Check the current license status of A-mac Underground Inc with the The City of Arvada, Colorado
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | CEN-13-01234 |
| Status | Active |
| City | Centennial |
| Type | Asphalt Paving Contractor |
- When BuildZoom last verified this license, it had an expiration date of April, 2016. Check the current license status of A-mac Underground Inc with the Centennial Community Development Contractor Licensing
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | CEN-13-02310 |
| Status | Active |
| City | Centennial |
| Type | Utility Contractor |
- When BuildZoom last verified this license, it had an expiration date of April, 2016. Check the current license status of A-mac Underground Inc with the Centennial Community Development Contractor Licensing
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 22990 |
| Status | Active |
| City | Thornton |
| Type | Right Of Way |
- When BuildZoom last verified this license, it had an expiration date of August, 2015. Check the current license status of A-mac Underground Inc with the Thornton City Development Contractor License
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | AEC700 |
| Status | Inactive |
| City | Arvada |
| Type | Contractor |
- According to the The City of Arvada, Colorado, 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 A-mac Underground Inc at the The City of Arvada, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Denver |
| Type | Row Sewer Contractor |
- 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 |
| Type | D Concrete & Foundations |
- 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.
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Inactive License
| Status | Inactive |
| City | Denver |
| Type | Demo A |
- 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.
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Inactive License
| Status | Inactive |
| City | Denver |
| Type | Row Sewer Contractor |
- 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.
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Inactive License
| Status | Inactive |
| City | Denver |
| Type | Row Excavator |
- 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.
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Inactive License
| Status | Inactive |
| City | Denver |
| Type | Row Excavator |
- 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.
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Inactive License
| Status | Inactive |
| City | Aurora |
| Type | Right Of Way Contractor |
- According to the Aurora, Colorado, 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.
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Inactive License
| Status | Inactive |
| City | Aurora |
| Type | Right Of Way Contractor |
- According to the Aurora, Colorado, 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 |
- 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.
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Inactive License
| License # | 1801352 |
| Status | Inactive |
| City | Westminster |
| Type | Public Way Contractor |
- According to the City of Westminster, Colorado, 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 A-mac Underground Inc at the City of Westminster, Colorado.
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Inactive License
| Status | Inactive |
| City | Aurora |
| Type | Right Of Way Contractor |
- According to the Aurora, Colorado, 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.
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Inactive License
| License # | AEC6711 |
| Status | Inactive |
| City | Arvada |
| Type | Contractor |
- According to the The City of Arvada, Colorado, 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.
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Inactive License
| Status | Inactive |
| City | Denver |
- 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.
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Inactive License
| Status | Inactive |
| City | Denver |
| Type | D Water Service |
- 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 | Aurora |
| Type | Right Of Way Contractor |
- According to the Aurora, Colorado, 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 | Aurora |
| Type | Right Of Way Contractor |
- According to the Aurora, Colorado, 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 |
| Type | Row Excavator |
- 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.
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Inactive License
| License # | D15060 |
| Status | Inactive |
| City | Littleton |
| Type | Class D |
- 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.
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Inactive License
| License # | CONV1857 |
| Status | Inactive |
| City | Littleton |
| Type | Bonded |
- 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.
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Inactive License
| License # | LCC2015007781 |
| 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 A-mac Underground Inc at the Thornton City Development Contractor License.
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Inactive License
| License # | BONDED00221 |
| Status | Inactive |
| City | Littleton |
| Type | Bonded |
- 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.
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97
BuildZoom Score
100
Permits
- Building permit records show that A-mac Underground Inc has worked on 100 permitted projects.
A-mac Underground Inc Employees
DL
David London
JS
James E Shinaut
Co Owner
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James Shinaut
JI
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JI
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JM
John Mc Mahan
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JM
John Mcmahon
ME
Mcmahon John E
Owner
NL
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Roger Sorge
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Shellie Miller