Updated: May 26, 2026
Location and Projects
Address
8181 Arista Pl, Broomfield, CO, 80021
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Keystone Construction LLC
Experienced general contracting serving the Colorado Front Range through up-front costs, met timelines, & respect.
From BuildZoom: Keystone Construction LLC, 8181 Arista Pl, Broomfield, CO (Owned by: Steven Girard) holds a Building Contractor Class B license and 5 other licenses according to the Denver license board.
Their BuildZoom score of 100 ranks in the top 13% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Keystone Construction LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Keystone Construction LLC Services
Start a project today:
Custom Home Build
New Home Construction
Medium Multi-Family New Con...
Multi-Room Remodel
Kitchen Remodel
Bathroom Remodel
Basement Remodel
Medium Multi-Family Remodel...
Other Residential Remodel
Office Renovation
Restaurant Renovation
Retail Renovation
Other Commercial Renovation
Hardwood Flooring
Carpets
Laminate Flooring
Other Flooring
Framing
Wood Fences
Backsplash and Countertops
Stonework
Tile Flooring
Other Stone and Tile
Drywall
Interior Plaster
Brick and Blockwork
Other Masonry
Flatwork Concrete
Foundations
Other Concrete
Demolition
Paving, Driveways, and Side...
Excavation and Grading
Other Site Work
Garage Construction
Keystone Construction LLC Contact Information
Phone Number: (303) 557-8137
Address: 8181 Arista Pl, Broomfield, CO 80021
Keystone Construction LLC Broomfield
Quality
100
87th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Keystone Construction LLC has a BuildZoom score of 100, which places them above 87% of 55,949 contractors in Colorado.
Activity
|
2 projects
|
2023 |
Our building permit records indicate that Keystone Construction LLC has worked on at least
2.0 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.
Pricing
|
1 project
|
$5k-$20k |
|
1 project
|
$20k-$50k |
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 Keystone Construction LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
690 sf wood frame addition on 690 sf crawlspace to exisitng dwelling built in 1977 - includes electric - for family room
Valuation:
$84,146
Permit #:
RSA21-0232
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New single family residenc w/att shop
Valuation:
N/A
Permit #:
19-01840
Status:
final
Fee:
N/A
Permit Type:
B-2 one family
Building Type:
N/A
Residential basement finish addition remodel
Valuation:
$26,599
Permit #:
O16589
Status:
final
Fee:
$280
Permit Type:
434 (residential ...
Building Type:
N/A
Basement finish
Valuation:
$17,677
Permit #:
RES23-00323
Status:
final
Fee:
$797
Permit Type:
N/A
Building Type:
N/A
Addition
Valuation:
$55,000
Permit #:
O20818
Status:
final
Fee:
$489
Permit Type:
434 (residential ...
Building Type:
N/A
Interior/exterior remodel/repair
Valuation:
$8,500
Permit #:
O34034
Status:
final
Fee:
$136
Permit Type:
434 (residential ...
Building Type:
N/A
New single family residence
Valuation:
N/A
Permit #:
18-04413
Status:
final
Fee:
N/A
Permit Type:
B-2 one family
Building Type:
N/A
Interior remodel hopsculture
Valuation:
N/A
Permit #:
16-04506
Status:
final
Fee:
N/A
Permit Type:
F-17 bus rem/add/alt
Building Type:
N/A
Interior/exterior remodel/repair
Valuation:
$8,500
Permit #:
O34034
Status:
final
Fee:
$136
Permit Type:
434 (residential ...
Building Type:
N/A
Addition and patio cover
Valuation:
$48,000
Permit #:
N56261
Status:
final
Fee:
$448
Permit Type:
434 (residential ...
Building Type:
N/A
Kitchen & bathroom remodel
Valuation:
$10,000
Permit #:
N48587
Status:
final
Fee:
$144
Permit Type:
434 (residential ...
Building Type:
N/A
Addition swimming pool and deck
Valuation:
N/A
Permit #:
18-01739
Status:
final
Fee:
N/A
Permit Type:
F-16 residence re...
Building Type:
N/A
Basement finish
Valuation:
$45,304
Permit #:
M74218
Status:
final
Fee:
$432
Permit Type:
434 (residential ...
Building Type:
N/A
Basement finish
Valuation:
$16,335
Permit #:
M68816
Status:
final
Fee:
$200
Permit Type:
434 (residential ...
Building Type:
N/A
Basement finish
Valuation:
$16,335
Permit #:
M68816
Status:
final
Fee:
$200
Permit Type:
434 (residential ...
Building Type:
N/A
Addition
Valuation:
$20,354
Permit #:
N01517
Status:
final
Fee:
$232
Permit Type:
434 (residential ...
Building Type:
N/A
Foundation repair
Valuation:
$2,000
Permit #:
M68837
Status:
final
Fee:
$80
Permit Type:
434 (residential ...
Building Type:
N/A
Addition
Valuation:
$50,000
Permit #:
M48831
Status:
final
Fee:
$464
Permit Type:
434 (residential ...
Building Type:
N/A
Residential interior remodel/repair
Valuation:
$5,000
Permit #:
L51767
Status:
final
Fee:
$104
Permit Type:
434 (residential ...
Building Type:
N/A
Commercial interior remodel
Valuation:
$20,000
Permit #:
L17654
Status:
final
Fee:
N/A
Permit Type:
437 (commercial a...
Building Type:
N/A
Keystone Construction LLC Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Keystone Construction LLC License info
Verified License
| Status | Active |
| City | Denver |
| Type | Building Contractor Class B |
| Business Type | Limited Liability Company (Llc) |
- BuildZoom verified this license was active as of May 2026.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| City | Denver |
| Business Type | Limited Liability Company (Llc) |
- When BuildZoom last verified this license, it had an expiration date of February, 2023. Check the current license status of Keystone Construction LLC 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.
Verified License
| License # | C120206 |
| Status | Active |
| County | Douglas County |
| Type | General C |
| Business Type | Limited Liability Company (Llc) |
- BuildZoom has not verified this license since May, 2025.
Verify this license's status for Keystone Construction LLC at the Douglas County Building Division.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | AEC10246 |
| Status | Inactive |
| City | Arvada |
| Type | Contractor |
| Business Type | Limited Liability Company (Llc) |
- 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 Keystone Construction LLC at the The City of Arvada, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LCC202200389 |
| Status | Inactive |
| City | Thornton |
| Type | Class B Building Contractor |
| Business Type | Limited Liability Company (Llc) |
- 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 Keystone Construction LLC at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 2101678 |
| Status | Inactive |
| City | Westminster |
| Type | General Contractor |
| Business Type | Limited Liability Company (Llc) |
- 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 Keystone Construction LLC at the City of Westminster, Colorado.
This is a sample of licensing data; click here to access a complete history.
100
BuildZoom Score
424
Permits
- Building permit records show that Keystone Construction LLC has worked on 424 permitted projects.
Keystone Construction LLC Employees
SG
Steven Girard
Owner