Updated: Jul 10, 2026
Location and Projects
Address
21540 E Alamo pl, Centennial, CO, 80015
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Qcon Construction
Serving the Aurora, Colorado area, Qcon LLC has been active in residential remodeling and construction projects for 10 years. The company specializes in kitchen and bathroom renovations, basement finishing, and interior transformations for local homeowners. Qcon LLC manages projects from planning through completion, coordinating skilled trades to deliver updated living spaces tailored to client specifications. The portfolio features complete kitchen overhauls, custom tilework, new cabinetry installations, and finished basements designed for multi-purpose use. Qcon LLC also handles drywall, painting, flooring, plumbing, and electrical updates as part of larger remodels. The company focuses on single-family homes within Aurora and nearby communities. Throughout each project, Qcon LLC provides detailed proposals and clear communication to guide property owners through the renovation process.
Qcon LLC Services
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Qcon LLC Contact Information
Phone Number: (303) 886-2997
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Address: 21540 E Alamo pl, Centennial, CO 80015
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Qcon LLC Centennial
Quality
108
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Qcon LLC has a BuildZoom score of 108, which places them above 95% of 55,949 contractors in Colorado.
Activity
|
15 projects
|
2025 |
|
9 projects
|
2024 |
|
12 projects
|
2023 |
Our building permit records indicate that Qcon LLC has worked on at least
36.0 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
|
Home Additions |
Analyzing permits over the last 4 years shows that Qcon LLC mostly works on
home addition
projects.
Pricing
|
2 projects
|
< $5k |
|
9 projects
|
$5k-$20k |
|
9 projects
|
$20k-$50k |
|
6 projects
|
$50k-$100k |
The typical size of their permits is approximately $22,250. 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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
In the unfinished basement a full bathroom will be added. it will include three fixtures: a tub/shower toilet and vanity. the bathroom will be finished with drywall tile on the tub walls and tile flooring. one vanity light a gfci outlet (per code) and a bathroom fan controlled by a switch will be installed
Valuation:
$10,000
Permit #:
BLD-2025-03845
Status:
sent for review
Fee:
$177
Permit Type:
N/A
Building Type:
N/A
Buildingonline | basement finish approx 1021sf: living room w wet bar photo room home office home theatre full bathroom and unfinished storage and mechanical rooms
Valuation:
$8,166
Permit #:
1872257
Status:
issued
Fee:
$514
Permit Type:
Basement finish p...
Building Type:
N/A
Basement finishing - basement will have two bedrooms 3/4-bathroom existing mechanical room unfinished laundry and living area
Valuation:
$50,000
Permit #:
2025-LOG-0003599
Status:
plancheck
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Buildingonline |basement remodel approx 950 sf - bedroom living room playroom office full bathroom unfinished storage/mechanical room
Valuation:
$7,807
Permit #:
1884444
Status:
issued
Fee:
$514
Permit Type:
Basement finish p...
Building Type:
N/A
Finishing a basement - adding a bedroom study 3/4 bathroom sauna and a wet bar. *6/2/2025 revision to remove wet bar*
Valuation:
$54,392
Permit #:
BLD-SFD2025-00106
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Finishing an unfinished basement adding 2 bedrooms 3/4 bathroom and a wet bar. both bedrooms have an existing egress window. sog 1.5 void in framed walls per bmc
Valuation:
$69,825
Permit #:
BP-24-00460
Status:
complete
Fee:
$2,461
Permit Type:
N/A
Building Type:
Residential singl...
Basement finish: basement will have one bedroom 3/4 bathroom. one finished storage room one unfinished storage room and living area
Valuation:
$32,000
Permit #:
2025-LOG-0007755
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Basement finish: adding one bedroom with walk-in closet 3/4 bathroom and open living area. existing egress window in the bedroom and living room
Valuation:
$36,377
Permit #:
BP-24-02857
Status:
complete
Fee:
$1,418
Permit Type:
N/A
Building Type:
Residential singl...
Basement remodel. 2 bedrooms finished area 1200 sqft unfinished area 300 sqft. includes one 3/4 bathroom. both bedrooms has egress windows. existing code insulation
Valuation:
$61,500
Permit #:
BLD-2021-03912
Status:
expired
Fee:
$1,820
Permit Type:
N/A
Building Type:
N/A
Buildingonline | basement finish 940 sq ft - open living area with wet bar office 3/4 bathroom unfinished mechanical room
Valuation:
$7,756
Permit #:
1764726
Status:
issued
Fee:
$467
Permit Type:
Basement finish p...
Building Type:
N/A
We're finishing an unfinished basement in a single-family house. we're adding 2 bedrooms with walk-in closets and a full bathroom. with new egress windows
Valuation:
$67,799
Permit #:
2023-LOG-0012781
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Basement finish
Valuation:
$53,869
Permit #:
RES25-00056
Status:
final
Fee:
$2,007
Permit Type:
N/A
Building Type:
N/A
We're finishing an unfinished basement in a single-family house. we're adding 2 bedrooms with walk-in closets and a full bathroom. with new egress windows
Valuation:
N/A
Permit #:
2023-RESCON-0005027
Status:
final
Fee:
$672
Permit Type:
N/A
Building Type:
N/A
We're finishing an unfinished basement in a single-family house. we're adding 2 bedrooms with walk-in closets and a full bathroom. egress windows?
Valuation:
$52,796
Permit #:
2023-LOG-0012774
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Basement finish (unfinished existing). 3/4 bathroom mechanical room no bedrooms one office. egress window 4x4. wall insulation existing blanket. ceiling height 90
Valuation:
N/A
Permit #:
2022-RESCON-0002979
Status:
final
Fee:
$360
Permit Type:
N/A
Building Type:
N/A
Basement finish. 1 bedroom bathroom 3/4 open living space unfinished storage
Valuation:
$49,793
Permit #:
BLD-2022-03641
Status:
expired
Fee:
$1,951
Permit Type:
N/A
Building Type:
N/A
Bsmnt finish no bedroom 3/4bath unfinished storage&mech
Valuation:
N/A
Permit #:
BLDG25-3074
Status:
issued
Fee:
$1,675
Permit Type:
Basement finish
Building Type:
N/A
Buildingonline | basement 578 sf and new egress
Valuation:
$5,425
Permit #:
1876113
Status:
issued
Fee:
$514
Permit Type:
Basement finish p...
Building Type:
N/A
1 unfinished room - finish. addition full bathroom. existing bedroom remains untouched
Valuation:
$21,740
Permit #:
21NGN-01156
Status:
issued
Fee:
$1,011
Permit Type:
N/A
Building Type:
N/A
Basement finish - 675 sq ft
Valuation:
N/A
Permit #:
MSC171024
Status:
final
Fee:
$1,050
Permit Type:
Basement finish
Building Type:
N/A
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Projects
Qcon LLC Reviews
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Qcon LLC License info
Verified License
| License # | AEC002752 |
| Status | Active |
| City | Littleton |
| Type | Contractor |
| Date Issued | 03-28-2026 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Qcon LLC at the The City of Littleton, CO.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CL-36645 |
| Status | Active |
| City | Centennial |
| Type | General |
| Class | General - Class C |
| Date Issued | 03-26-2026 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Qcon LLC 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 | 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.
Verified License
| License # | 1801781 |
| Status | Active |
| City | Westminster |
| Type | General Contractor |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Qcon LLC at the City of Westminster, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AEC2505 |
| Status | Active |
| Town | Parker |
| Type | Contractor |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Qcon LLC 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 |
| City | Aurora |
| Type | Residential Building Contractor |
- BuildZoom verified this license was active as of July 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | C160557 |
| Status | Active |
| County | Douglas County |
| Type | General C |
- BuildZoom verified this license was active as of September 2025.
Verify this license's status for Qcon LLC at the Douglas County Building Division.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| County | Jefferson County |
| Type | Class C Contractor (1 2 Family Dwellings) |
| Class | 1-2 Family Dwellings |
- When BuildZoom last verified this license, it had an expiration date of December, 2023. Check the current license status of Qcon LLC with the Jefferson County Licensed Contractors
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | CEN-18-11190 |
| Status | Active |
| City | Centennial |
| Type | General Contractor Class C License |
- When BuildZoom last verified this license, it had an expiration date of October, 2018. Check the current license status of Qcon 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
| Status | Active |
| City | Denver |
- When BuildZoom last verified this license, it had an expiration date of August, 2022. Check the current license status of Qcon 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.
License Not Verified
| License # | 27705 |
| Status | Active |
| City | Thornton |
| Type | Class C Residential |
- When BuildZoom last verified this license, it had an expiration date of August, 2019. Check the current license status of Qcon LLC with the Thornton City Development Contractor License
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 2505 |
| Status | Active |
| Town | Parker |
| Type | Contractor, General |
- BuildZoom has not verified this license since June, 2016.
Verify this license's status for Qcon LLC at the The Town of Parker, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 22-099361 |
| Status | Inactive |
| City | Lafayette |
| Type | General Class C |
- 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 Qcon LLC at the City of Lafayette.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | AEC9890 |
| 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. If this is your business, please update your license status.
Check this license's status for Qcon 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 # | CON-20-0038 |
| Status | Inactive |
| County | Boulder County |
| Type | One And Two Family Residential |
- According to the Boulder County Land Use 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 Qcon LLC at the Boulder County Land Use Department.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 16-1927 |
| Status | Inactive |
| Town | Castle Rock |
| Type | Residential Contractor Class C |
- According to the Castle Rock Town, 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 Qcon LLC at the Castle Rock Town, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LCC2015063284 |
| Status | Inactive |
| City | Thornton |
| Type | Class C Residential Contractor |
- According to the Thornton City Development Contractor License, 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 Qcon LLC at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
108
BuildZoom Score
Insured
| Insurer | Sutton |
Insured
| Workers Comp Provider | Employer Group |
129
Permits
- Building permit records show that Qcon LLC has worked on 129 permitted projects.
Qcon LLC Employees
PB
Peter Borski
Licensee
PB
Petr Borski
QL
Qcon Llc
Owner