Updated: Jun 21, 2026
Location and Projects
Address
4642 Durham Ct, Denver, CO, 80239
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Excavation & Construction Specialist Inc
Excavation & Construction Specialist Inc, 4642 Durham Ct, Denver, CO (Owned by: Martinez Lopez Oned) holds a Row Sewer Contractor license and 17 other licenses according to the Denver license board.
Their BuildZoom score of 95 ranks in the top 22% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Excavation & Construction Specialist Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Excavation & Construction Specialist Inc Services
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Excavation & Construction Specialist Inc Contact Information
Phone Number: (720) 202-8302
Address: 4642 Durham Ct, Denver, CO 80239
Excavation & Construction Specialist Inc Denver
Quality
95
78th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Excavation & Construction Specialist Inc has a BuildZoom score of 95, which places them above 78% of 55,949 contractors in Colorado.
Activity
|
1 project
|
2025 |
|
1 project
|
2024 |
Our building permit records indicate that Excavation & Construction Specialist Inc has worked on at least
2.0 projects over the past 2 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.
Pricing
|
2 projects
|
$5k-$20k |
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 Excavation & Construction Specialist Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Install french drain under sidewalk_core into city storm
Valuation:
$6,500
Permit #:
ROW24-01639
Status:
plancheck
Fee:
$260
Permit Type:
N/A
Building Type:
N/A
New domestic water service
Valuation:
$14,000
Permit #:
2024-PLUMB-0013247
Status:
final
Fee:
$131
Permit Type:
N/A
Building Type:
Single family res...
City installation of secondary water service main south of indian paintbrush drive from west side of chambers road
Valuation:
$189,676
Permit #:
BP-18-00316
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Site stabilization for city installation of water line from sorrento sub to indigo trails
Valuation:
N/A
Permit #:
BP-18-00301
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Water main relocate for cr 17 phase 5
Valuation:
N/A
Permit #:
18-ROW0047
Status:
applied
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Water main relocate for cr 17 phase 4
Valuation:
N/A
Permit #:
18-ROW0046
Status:
applied
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Water main relocate for cr 17 phase 3
Valuation:
N/A
Permit #:
18-ROW0045
Status:
applied
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Water main relocate for cr 17 phase 2
Valuation:
N/A
Permit #:
18-ROW0044
Status:
applied
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Extend sanitary sewer line at island grove park - approx 723 to livestock barn from main sewer tap - fees deferred - received city of greeley sanitation connection dated 2/24/2016 signed by t swanson city of greeley cbo (tpotter)
Valuation:
$40,000
Permit #:
BCR15-01461
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Hydrant meter
Valuation:
N/A
Permit #:
BP-18-00380
Status:
final
Fee:
$100
Permit Type:
N/A
Building Type:
N/A
Install new sewer service in lindenwood to serve 1000 w. rid
Valuation:
N/A
Permit #:
ESC13-0166
Status:
issued
Fee:
$110
Permit Type:
Contractor
Building Type:
N/A
15-st-19
Valuation:
N/A
Permit #:
SITE16-00037
Status:
final
Fee:
N/A
Permit Type:
< 1 acre
Building Type:
N/A
Water main relocate for cr 17 phase 1
Valuation:
N/A
Permit #:
18-ROW0006
Status:
applied
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacing 5ton remote terminal unit
Valuation:
N/A
Permit #:
MECH14-00048
Status:
issued
Fee:
$194
Permit Type:
Commercial stand ...
Building Type:
N/A
10x4 street cut sewer service patching
Valuation:
N/A
Permit #:
ROW14-00567
Status:
final
Fee:
$398
Permit Type:
Multiple
Building Type:
N/A
Whisper creek townhomes- sub to nelson row13-00971
Valuation:
N/A
Permit #:
ROW13-01200
Status:
final
Fee:
N/A
Permit Type:
Other
Building Type:
N/A
Extend sanitary sewer service to livestock washbay vault
Valuation:
N/A
Permit #:
15120012
Status:
complete
Fee:
N/A
Permit Type:
plumbing permit a...
Building Type:
N/A
Fix belly in 4 sewer service holding water
Valuation:
$3,000
Permit #:
BP-15-00470-01
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Dig and fix a belly in the line 4 sewer
Valuation:
$4,500
Permit #:
BP-15-00052
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Water line replacement
Valuation:
N/A
Permit #:
ROW17-01438
Status:
issued
Fee:
N/A
Permit Type:
Multiple
Building Type:
N/A
Excavation & Construction Specialist Inc Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Excavation & Construction Specialist Inc License info
Verified License
| Status | Active |
| City | Denver |
| Type | Row Sewer Contractor |
- BuildZoom verified this license was active as of June 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Denver |
| Type | Row Sidewalk |
- BuildZoom verified this license was active as of June 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Denver |
| Type | D Water Service |
- BuildZoom verified this license was active as of June 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AEC706 |
| Status | Active |
| Town | Parker |
| Type | Contractor |
- BuildZoom has not verified this license since June, 2022.
Verify this license's status for Excavation & Construction Specialist Inc at the The Town of Parker, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| Town | Parker |
| Type | Contractor, Mechanical |
- BuildZoom has not verified this license since January, 2021.
Verify this license's status for Excavation & Construction Specialist Inc at the The Town of Parker, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | AEC11870 |
| 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.
Check this license's status for Excavation & Construction Specialist Inc at the The City of Arvada, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | AEC706 |
| 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.
Check this license's status for Excavation & Construction Specialist 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 | Aurora |
| Type | Row Asphalt Paving |
- According to the Aurora, Colorado, the status of this license was at one point cancelled. However, this information may have changed.
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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 7495467 |
| 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.
Check this license's status for Excavation & Construction Specialist Inc at the City and County of Denver Community Planning and Development.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Denver |
| Type | D Roofing Shingles Only |
- 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 6799023 |
| 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.
Check this license's status for Excavation & Construction Specialist Inc at the City and County of Denver Community Planning and Development.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Denver |
| Type | D Roofing Shingles Only |
- 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 150731063 |
| 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.
Check this license's status for Excavation & Construction Specialist Inc at the City of Westminster, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | BONDED00151 |
| 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.
Check this license's status for Excavation & Construction Specialist Inc at the The City of Littleton, CO.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LCC201700075 |
| 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.
Check this license's status for Excavation & Construction Specialist Inc at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LCC2015060892 |
| 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.
Check this license's status for Excavation & Construction Specialist Inc at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
Unverified License
| License # | 23831 |
| Status | Unable To Verify |
| City | Thornton |
| Type | Excavation/Utility |
- BuildZoom was not able to verify this license with the licensing board
This is a sample of licensing data; click here to access a complete history.
95
BuildZoom Score
20
Permits
- Building permit records show that Excavation & Construction Specialist Inc has worked on 20 permitted projects.
Excavation & Construction Specialist Inc Employees
JH
Josefa Hernandez
MO
Martinez Lopez Oned
Owner