Updated: Jul 22, 2026
Location and Projects
Address
12663 JERSEY CIRCLE W, Thornton, CO, 80602
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Mainline Construction Concrete Contractor
Their BuildZoom score of 0 does not rank in the top 50% of Colorado contractors.
If you are thinking of hiring Mainline Construction LLC, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Mainline Construction LLC Services
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Mainline Construction LLC Contact Information
Address: 12663 JERSEY CIRCLE W, Thornton, CO 80602
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Mainline Construction LLC Thornton
Quality
Alert*
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
*No active license on file. If you are Mainline Construction LLC, click “This is My Business” to update your information.
Activity
|
1 project
|
2025 |
|
2 projects
|
2024 |
Our building permit records indicate that Mainline Construction LLC has worked on at least
3.0 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
|
1 project
|
< $5k |
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 Mainline Construction LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Jb#800431 bore 150 place conduit pull cable splice
Valuation:
N/A
Permit #:
ROW2022-00306
Status:
triage
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Comcast wo#549278 boring placing conduit pulling cable and splicing
Valuation:
$2,500
Permit #:
ROW-0742-2021
Status:
approved
Fee:
$703
Permit Type:
N/A
Building Type:
N/A
Comcast wo474023 boring conduit placement pulling cable and splicing
Valuation:
$4,000
Permit #:
ROW-0695-2021
Status:
approved
Fee:
$278
Permit Type:
N/A
Building Type:
N/A
Comcast wo#569471 relocation and replacment of separate vaults
Valuation:
$4,000
Permit #:
ROW-0716-2021
Status:
approved
Fee:
$168
Permit Type:
N/A
Building Type:
N/A
Comcast wo#708739 boring placing conduit and cable splicing
Valuation:
$2,000
Permit #:
ROW-0833-2021
Status:
applied
Fee:
$236
Permit Type:
N/A
Building Type:
N/A
Comcast wo#530140 boring pulling cable splicing
Valuation:
$15,000
Permit #:
ROW-0686-2021
Status:
approved
Fee:
$986
Permit Type:
N/A
Building Type:
N/A
Restoration of concrete panels from comcast permit row-0001-2018
Valuation:
$1,000
Permit #:
ROW-0048-2018
Status:
approved
Fee:
$158
Permit Type:
N/A
Building Type:
N/A
Comcast wo#241499 boring and fiber work
Valuation:
$25,000
Permit #:
ROW-0516-2020
Status:
approved
Fee:
$654
Permit Type:
N/A
Building Type:
N/A
Replace concrete panels in the sidewalk/curb/gutter and remove entrance to business closest to jessup st per site plans addition landscape area per site plans
Valuation:
$80,000
Permit #:
BP-21-01530
Status:
final
Fee:
$854
Permit Type:
N/A
Building Type:
N/A
Jb#800431 bore 160 across pearl st bore 50 across 26th st place conduit pull cable 270 overset a vault and splice
Valuation:
N/A
Permit #:
ROW2022-00022
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Jb#800431 bore 160 across pearl st bore 50 across 26th st place conduit pull cable 270 overset a vault and splice
Valuation:
N/A
Permit #:
UTL2022-00025
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Comcast wo#660492 boring conduit and cable placement splicing
Valuation:
$3,000
Permit #:
ROW-0825-2021
Status:
approved
Fee:
$623
Permit Type:
N/A
Building Type:
N/A
Jb#800431 bore 150 place conduit pull cable splice
Valuation:
N/A
Permit #:
UTL2022-00341
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Concrete restoration
Valuation:
$1,500
Permit #:
ROW-0595-2020
Status:
approved
Fee:
$150
Permit Type:
N/A
Building Type:
N/A
Comcast wo#550063 boring pulling cable and splicing
Valuation:
$4,500
Permit #:
ROW-0740-2021
Status:
approved
Fee:
$578
Permit Type:
N/A
Building Type:
N/A
Bore 200 place 2x2 conduit pull cable jb#1926419
Valuation:
$2,000
Permit #:
PS2511-0035
Status:
issued
Fee:
$195
Permit Type:
General construction
Building Type:
N/A
Bore 605 aerial 1375
Valuation:
N/A
Permit #:
ROW24-01256
Status:
canceled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Comcst wo#556581 underground cable work and new vault placement
Valuation:
$25,000
Permit #:
ROW-0703-2021
Status:
canceled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Concrete restoration
Valuation:
$2,000
Permit #:
ROW-0497-2020
Status:
canceled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Mainline Construction LLC Reviews
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Mainline Construction LLC License info
License Not Verified
| License # | CEN-18-11265 |
| Status | Active |
| City | Centennial |
| Type | Concrete & Form License |
- When BuildZoom last verified this license, it had an expiration date of December, 2018. Check the current license status of Mainline Construction LLC 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 # | LIC-0011585 |
| 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 Mainline Construction LLC with the Boulder Licensing Board
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LIC-0011585-ROW |
| Status | Inactive |
| City | Boulder |
| Type | Right Of Way |
| Class | Right-of-Way |
- 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 Mainline Construction LLC at the Boulder Licensing Board.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
- How the BuildZoom Score works
- *No active license on file. If you are Mainline Construction LLC, click “This is My Business” to update your information.
16
Permits
- Building permit records show that Mainline Construction LLC has worked on 16 permitted projects.
Mainline Construction LLC Employees
JH
James Hood
Responsible Person