Location and Projects
Address
2020 20TH ST, Boulder, CO, 80302
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Cornerstone Contracting
Cornerstone Contracting LLC, 2020-20 Th St, Boulder, CO (Employee: Keenan Tompkins) holds a Residential Contractor Class C license and 2 other licenses according to the Denver license board.
Their BuildZoom score of 93 ranks in the top 27% of 55,949 Colorado licensed contractors.
If you are thinking of hiring Cornerstone Contracting LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Cornerstone Contracting LLC Contact Information
Phone Number: (303) 444-0432
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Address: 2020 20TH ST, Boulder, CO 80302
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Cornerstone Contracting LLC Boulder
Quality
93
73rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Cornerstone Contracting LLC has a BuildZoom score of 93, which places them above 73% of 55,949 contractors in Colorado.
Activity
|
1 project
|
2024 |
Our building permit records indicate that Cornerstone Contracting LLC has worked on at least
1.0 project 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-$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 Cornerstone Contracting LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
New proposed fence roughly 220 6 privacy fence and 60 of privacy fence
Valuation:
$15,000
Permit #:
24-001614
Status:
applied
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New single family dwelling w attached garage unheated (lu-16-0017/spr-16-0096)
Valuation:
$1,024,628
Permit #:
BP-18-0788
Status:
complete
Fee:
$21,635
Permit Type:
N/A
Building Type:
N/A
New single family dwelling w attached garage (spr-18-0017)
Valuation:
$1,037,942
Permit #:
BP-18-2825
Status:
complete
Fee:
$21,824
Permit Type:
N/A
Building Type:
N/A
Tear-off & re-roof and re-side detached garage
Valuation:
$15,000
Permit #:
BP-17-1294
Status:
complete
Fee:
$380
Permit Type:
N/A
Building Type:
N/A
Detached garage w 2nd floor
Valuation:
$300,000
Permit #:
BP-18-0102
Status:
complete
Fee:
$7,541
Permit Type:
N/A
Building Type:
N/A
Detached garage w 2nd floor
Valuation:
$300,000
Permit #:
BP-18-0102
Status:
complete
Fee:
$7,541
Permit Type:
N/A
Building Type:
N/A
New single family dwelling w attached garage (fmf-10-0016)
Valuation:
$304,000
Permit #:
BP-12-1702
Status:
complete
Fee:
$7,139
Permit Type:
N/A
Building Type:
N/A
Heated in ground swimming pool & spa
Valuation:
$81,000
Permit #:
BP-17-1538
Status:
complete
Fee:
$2,262
Permit Type:
N/A
Building Type:
N/A
Bwop ag pond 30 inches deep
Valuation:
$500
Permit #:
BP-17-0706
Status:
complete
Fee:
$76
Permit Type:
N/A
Building Type:
N/A
Elevator
Valuation:
$25,500
Permit #:
BP-19-0162
Status:
complete
Fee:
$925
Permit Type:
N/A
Building Type:
N/A
New master geos unit cn 69th & joyce
Valuation:
$238,711
Permit #:
RES15-01223
Status:
final
Fee:
$9,524
Permit Type:
New sf detached
Building Type:
N/A
New single family dwelling with attached garage (spr-16-0063)
Valuation:
$1,030,000
Permit #:
BP-16-1963
Status:
complete
Fee:
$21,679
Permit Type:
N/A
Building Type:
N/A
Barn - partially conditioned (spr-16-0063)
Valuation:
$200,000
Permit #:
BP-16-2424
Status:
complete
Fee:
$5,588
Permit Type:
N/A
Building Type:
N/A
New single family dwelling w attached garage (re: bp-14-1227 expire bp)
Valuation:
$965,500
Permit #:
BP-17-0828
Status:
complete
Fee:
$25,695
Permit Type:
N/A
Building Type:
N/A
Town home geos
Valuation:
$160,000
Permit #:
RES15-01261
Status:
final
Fee:
$5,651
Permit Type:
New sf attached
Building Type:
N/A
New barn for stabling horses.
Valuation:
$175,256
Permit #:
15-126833 BP
Status:
Active
Fee:
N/A
Permit Type:
434 Additions & A...
Building Type:
N/A
New sfdt 3-car garage 5 br
Valuation:
$608,519
Permit #:
15-108593 BP
Status:
Active
Fee:
N/A
Permit Type:
101 Single Family...
Building Type:
N/A
Town home geos
Valuation:
$160,000
Permit #:
RES15-01257
Status:
final
Fee:
$6,510
Permit Type:
New sf attached
Building Type:
N/A
Deconstruct playhouse & loafing shed (spr-16-0063)
Valuation:
$1,000
Permit #:
BP-16-1833
Status:
complete
Fee:
$107
Permit Type:
N/A
Building Type:
N/A
Town home geos
Valuation:
$160,000
Permit #:
RES15-01260
Status:
final
Fee:
$5,651
Permit Type:
New sf attached
Building Type:
N/A
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BZ Score
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Projects
Cornerstone Contracting LLC Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Cornerstone Contracting LLC License info
Verified License
| Status | Active |
| City | Denver |
| Type | Residential Contractor Class C |
- BuildZoom verified this license was active as of June 2026.
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
| 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.
Check this license's status for Cornerstone Contracting LLC 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.
93
BuildZoom Score
33
Permits
- Building permit records show that Cornerstone Contracting LLC has worked on 33 permitted projects.
Cornerstone Contracting LLC Employees
KT
Keenan Tompkins