Updated: May 26, 2026
Location and Projects
Address
PO BOX 460909, Aurora, CO, 80046
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Diversified Underground Site Work Contractor
Diversified Underground Inc, Aurora, Po Box 460909, Aurora, CO (Owned by: Mark Allen/Richard Chuapoeo/Don Cain) holds a Row license and 20 other licenses according to the Colorado license board.
Their BuildZoom score of 109 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 Diversified Underground Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Diversified Underground Inc Contact Information
Phone Number: (720) 490-0381
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Address: PO BOX 460909, Aurora, CO 80046
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Diversified Underground Inc Aurora
Quality
109
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Diversified Underground Inc has a BuildZoom score of 109, which places them above 95% of 55,949 contractors in Colorado.
Activity
|
31 projects
|
2025 |
|
11 projects
|
2024 |
|
18 projects
|
2023 |
Our building permit records indicate that Diversified Underground Inc has worked on at least
60.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
3 projects
|
Excavation and grading projects |
Analyzing permits over the last 4 years shows that Diversified Underground Inc mostly works on
excavation and grading project
projects.
Pricing
|
9 projects
|
< $5k |
|
2 projects
|
$5k-$20k |
|
1 project
|
$20k-$50k |
The typical size of their permits is approximately $4,000. This graph shows the distribution of these job values.
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
Building Permits by Diversified Underground Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
January 16th & 17th install 355ft of 2 for electric from electric cabinet located 185ft south of s/w corner of kuner rd & jessup st south then s/w to transformer
Valuation:
$1,500
Permit #:
BP-22-02690
Status:
final
Fee:
$54
Permit Type:
N/A
Building Type:
N/A
Utility potholing in row (***9am to 3pm only for broadway traffic control setup*** all potholes must be flow-filled and restored properly. multiple potholes in one concrete sidewalk or street panel may result in ful panel replacements***)
Valuation:
N/A
Permit #:
ROW2020-00535
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
47 potholes for waterline and sewer line construction
Valuation:
N/A
Permit #:
ROW23-00474
Status:
final
Fee:
$7,696
Permit Type:
N/A
Building Type:
N/A
Install375ft of 2 for electric from existing pole located approx 1230ft south of s/e corner of bromley business pkwy & i-76 frontage rd south to power ped
Valuation:
$9,864
Permit #:
BP-21-01359
Status:
final
Fee:
$179
Permit Type:
N/A
Building Type:
N/A
9 potholes near broadway & table mesa dr and broadway & 18th st
Valuation:
N/A
Permit #:
ROW2025-00257
Status:
triage
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install conduit and setting hand holes
Valuation:
$20,000
Permit #:
PWROW2305-0366
Status:
issued
Fee:
$645
Permit Type:
Utility or homeowner
Building Type:
N/A
5 potholes on waterlines at 6ft deep in lakewood
Valuation:
N/A
Permit #:
ROW25-00180
Status:
issued
Fee:
$165
Permit Type:
Potholing
Building Type:
N/A
Install 345ft of (2) 2 for power and 445ft of (1) 2 for fi
Valuation:
$30,000
Permit #:
PWROW2306-0624
Status:
canceled
Fee:
$602
Permit Type:
Utility or homeowner
Building Type:
N/A
Utility potholes for future gas station
Valuation:
$4,400
Permit #:
ROW22-01319
Status:
expired
Fee:
$880
Permit Type:
Development
Building Type:
N/A
Install an approximate total of 250ft of 2 & 3
Valuation:
$7,000
Permit #:
ROW24-01001
Status:
applied
Fee:
$140
Permit Type:
Communications
Building Type:
N/A
Potholing - 25h-25183za
Valuation:
$4,000
Permit #:
ROW25-00399
Status:
issued
Fee:
$1,526
Permit Type:
Potholing only
Building Type:
N/A
Install 5 range points
Valuation:
$5,000
Permit #:
PS2503-0296
Status:
issued
Fee:
N/A
Permit Type:
Potholing
Building Type:
N/A
9 potholes near w 20th ave & teller st
Valuation:
N/A
Permit #:
ROW24-00066
Status:
issued
Fee:
$4,797
Permit Type:
Single excavation...
Building Type:
N/A
Install 2 sleeve for irrigation line from n/w corner of pearl street & 18th street west for 60 s/w to water meter pit located on the south side of 1795 pearl street
Valuation:
N/A
Permit #:
UTL2019-00535
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install 2 sleeve for irrigation line from n/w corner of pearl street & 18th street west for 60 s/w to water meter pit located on the south side of 1795 pearl street
Valuation:
N/A
Permit #:
ROW2019-00554
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Potholing
Valuation:
N/A
Permit #:
ROW25-00256
Status:
final
Fee:
$443
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
BP2023-0005
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Commercial
Potholing
Valuation:
N/A
Permit #:
ROW25-00510
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
10 potholes
Valuation:
N/A
Permit #:
ROW25-00005
Status:
issued
Fee:
$330
Permit Type:
Potholing
Building Type:
N/A
Install 140ft of up 2 at 36"d
Valuation:
N/A
Permit #:
ROW23-00595
Status:
final
Fee:
$533
Permit Type:
N/A
Building Type:
N/A
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Diversified Underground Inc Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Diversified Underground Inc License info
Verified License
| License # | ROW-CL-040 |
| Status | Active |
| Type | Row |
| Date Issued | 01-03-2026 |
- BuildZoom verified this license was active as of April 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CL-21132 |
| Status | Active |
| City | Centennial |
| Type | Utility |
| Class | Utility |
| Date Issued | 09-11-2025 |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for Diversified Underground Inc at the Centennial Community Development Contractor Licensing.
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 May 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AEC3854 |
| Status | Active |
| Town | Parker |
| Type | Contractor |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Diversified Underground Inc at the The Town of Parker, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | LIC-0008874-ROW |
| Status | Active |
| City | Boulder |
| Type | Right Of Way |
| Class | Right-of-Way |
| Date Issued | 01-30-2026 |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Diversified Underground Inc at the Boulder Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AEC259 |
| Status | Active |
| City | Arvada |
| Type | Contractor |
| Date Issued | 06-25-2025 |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Diversified Underground Inc at the The City of Arvada, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Aurora |
| Type | Right Of Way Contractor |
- BuildZoom verified this license was active as of May 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | LCC2015015634 |
| Status | Active |
| City | Thornton |
| Type | Class D Excavation/Grading Expires 2027 01 22 |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Diversified Underground Inc at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | LIC-0008874 |
| Status | Active |
| City | Boulder |
| Type | Right Of Way |
- When BuildZoom last verified this license, it had an expiration date of December, 2018. Check the current license status of Diversified Underground Inc with the Boulder Licensing Board
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| City | Arvada |
| Type | Row Contractor, Excavating |
- When BuildZoom last verified this license, it had an expiration date of March, 2016. Check the current license status of Diversified 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 # | 27536 |
| Status | Active |
| City | Thornton |
| Type | Excavation/Utility |
- When BuildZoom last verified this license, it had an expiration date of March, 2016. Check the current license status of Diversified Underground Inc with the Thornton City Development Contractor License
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 0008874 |
| Status | Active |
| City | Boulder |
| Type | Right-Of-Way |
- When BuildZoom last verified this license, it had an expiration date of March, 2016. Check the current license status of Diversified Underground Inc with the Boulder Licensing Board
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 25564 |
| Status | Active |
| City | Thornton |
| Type | Excavation/Utility |
- When BuildZoom last verified this license, it had an expiration date of March, 2016. Check the current license status of Diversified Underground Inc with the Thornton City Development Contractor License
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 23561 |
| Status | Active |
| City | Thornton |
| Type | Excavation/Utility |
- When BuildZoom last verified this license, it had an expiration date of March, 2016. Check the current license status of Diversified 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 # | 2101301 |
| 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 Diversified Underground Inc at the City of Westminster, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 2001006 |
| Status | Inactive |
| City | Westminster |
| Type | General 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 Diversified Underground Inc at the City of Westminster, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 0014261 |
| Status | Inactive |
| Pueblo | |
| Type | Excavation Earth Work |
- According to the Pueblo regional Building Department, 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 Diversified Underground Inc at the Pueblo regional Building Department.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | SPC9543257 |
| Status | Inactive |
| City | Lafayette |
| Type | Special Contractor |
- According to the City of Lafayette, 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 Diversified Underground Inc at the City of Lafayette.
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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1700078 |
| 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 Diversified Underground Inc at the City of Westminster, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | BONDED00107 |
| Status | Inactive |
| City | Littleton |
| Type | Contractor |
| Date Issued | 02-18-2026 |
- 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 Diversified Underground Inc at the The City of Littleton, CO.
This is a sample of licensing data; click here to access a complete history.
109
BuildZoom Score
112
Permits
- Building permit records show that Diversified Underground Inc has worked on 112 permitted projects.
Diversified Underground Inc Employees
DI
Diversified Underground Inc
Contractor
DR
Diversified Underground Inc Row
Owner
HC
Helena Chuapoco
LA
Lorenza Allen
Customer Service Contact
MA
Mark Allen
Owner
MC
Mark Allen/Richard Chuapoeo/Don Cain
Owner
SB
Stacy Bockorny
Owner