Updated: May 26, 2026
Location and Projects
Address
10 E. 120th Ave., Northglenn, CO, 80233
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Denco Construction LLC
Denco Construction LLC, 10 E 120th Ave, Northglenn, CO (Owned by: Rolando Altamirano) holds a Class A General Contractor Expires 2026 11 04 license and 8 other licenses according to the Thornton license board.
Their BuildZoom score of 99 ranks in the top 15% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Denco Construction LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Denco Construction LLC Services
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Denco Construction LLC Contact Information
Phone Number: (720) 221-2756
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Address: 10 E. 120th Ave., Northglenn, CO 80233
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Denco Construction LLC Northglenn
Quality
99
85th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Denco Construction LLC has a BuildZoom score of 99, which places them above 85% of 55,949 contractors in Colorado.
Activity
|
2 projects
|
2024 |
|
1 project
|
2023 |
Our building permit records indicate that Denco Construction LLC has worked on at least
3.0 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 |
|
1 project
|
$5k-$20k |
|
1 project
|
$100k-$250k |
|
1 project
|
$1mil+ |
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 Denco Construction LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Commercial - tenant improvement and change in use - converting existing banquet hall into ace hardware store with the same building structure and condition. work will include adding shelving and service counters to the existing space. there will be no construction except some walls have been removed with a demolish permit which has been closed
Valuation:
$1,200,000
Permit #:
BDP23-1397
Status:
expired
Fee:
$309
Permit Type:
Change in use
Building Type:
Commercial
Exterior remodel & front entry and hotel tower. also hotel public area facade
Valuation:
$748,500
Permit #:
20NGN-00401-Exterior
Status:
issued
Fee:
$23,168
Permit Type:
N/A
Building Type:
N/A
Renovations of 235 sleeping rooms on all floors only
Valuation:
$3,047,039
Permit #:
19NGN-01912
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tpo replacement of 64, 300 sf per manu specs
Valuation:
$405,000
Permit #:
19NGN-01987
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Demolition for remodel into an ace hardware location
Valuation:
$12,353
Permit #:
BDP22-2810
Status:
issued
Fee:
$314
Permit Type:
Demolish
Building Type:
Commercial
Replacement of 17 remote terminal unit units with electrical
Valuation:
$181,870
Permit #:
20NGN-00523-RTUs
Status:
issued
Fee:
$6,291
Permit Type:
N/A
Building Type:
N/A
Ace retail sign
Valuation:
$2,000
Permit #:
BDP23-0512
Status:
filed
Fee:
$45
Permit Type:
Addition
Building Type:
Commercial
Stair relocation and mezzanine remodel (new stairs) 847 sf total
Valuation:
$155,600
Permit #:
20NGN-00320-Stairs
Status:
issued
Fee:
$5,269
Permit Type:
N/A
Building Type:
N/A
Da2018-0023 western bowl redevelopment dev
Valuation:
$46,530
Permit #:
DEV20-00004
Status:
initial warranty
Fee:
$52,488
Permit Type:
N/A
Building Type:
N/A
Remodel for starbucks at front entry
Valuation:
$73,500
Permit #:
20NGN-00381-Starbucks
Status:
issued
Fee:
$3,075
Permit Type:
N/A
Building Type:
N/A
La quinta fa modifications to addition dry system to existing fa
Valuation:
N/A
Permit #:
FA22-0068
Status:
final
Fee:
$488
Permit Type:
Nfpa 72 new
Building Type:
N/A
Interior demolition of guest rooms to get ready for remodel
Valuation:
$1
Permit #:
19NGN-01951
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
La quinta hotel
Valuation:
N/A
Permit #:
COM18-0070
Status:
complete
Fee:
$254,705
Permit Type:
New
Building Type:
N/A
La quinta building sprinkler suppression submittal
Valuation:
N/A
Permit #:
FS21-0039
Status:
final
Fee:
$7,395
Permit Type:
Nfpa 13
Building Type:
N/A
La quinta sprinkler modifications for soffit
Valuation:
N/A
Permit #:
FS21-0134
Status:
final
Fee:
$271
Permit Type:
Nfpa 13
Building Type:
N/A
Laquinta dry system sprinkler for hidden spaces
Valuation:
N/A
Permit #:
FS22-0038
Status:
final
Fee:
$1,012
Permit Type:
Nfpa 13
Building Type:
N/A
La quinta hotel foundation only
Valuation:
N/A
Permit #:
COM19-0048
Status:
final
Fee:
$5,200
Permit Type:
Foundation only
Building Type:
N/A
La quinta hotel plumbing
Valuation:
N/A
Permit #:
PLUM19-0131
Status:
final
Fee:
$3,546
Permit Type:
Commercial sub co...
Building Type:
N/A
La quinta hotel-electric
Valuation:
N/A
Permit #:
ELEC20-0012
Status:
final
Fee:
$2,530
Permit Type:
Commercial sub co...
Building Type:
N/A
Laquinta fa submittal pkg
Valuation:
N/A
Permit #:
FA21-0110
Status:
final
Fee:
$4,431
Permit Type:
Nfpa 72 new
Building Type:
N/A
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Denco Construction LLC Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Denco Construction LLC License info
Verified License
| License # | LCC202500672 |
| Status | Active |
| City | Thornton |
| Type | Class A General Contractor Expires 2026 11 04 |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Denco Construction LLC at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AEC4838 |
| Status | Active |
| Town | Parker |
| Type | Contractor |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Denco Construction LLC at the The Town of Parker, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | D160498 |
| Status | Active |
| County | Douglas County |
| Type | General D |
- BuildZoom verified this license was active as of August 2025.
Verify this license's status for Denco Construction LLC at the Douglas County Building Division.
This is a sample of licensing data; click here to access a complete history.
Unverified License
| License # | ELEC-CL-015 |
| Status | Unable To Verify |
| Type | Electrical |
- 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.
Unverified License
| License # | A-CL-012 |
| Status | Unable To Verify |
| Type | Class A |
- 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.
Inactive License
| License # | AEC9133 |
| 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 Denco 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 # | 4863 |
| Status | Inactive |
| State | Colorado |
| Type | Electrical Contractor |
- According to the Colorado Division of Professions and Occupations, 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 Denco Construction LLC at the Colorado Division of Professions and Occupations.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 102178 |
| Status | Inactive |
| State | Colorado |
| Type | Electrical Contractor |
- According to the Colorado Division of Professions and Occupations, 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 Denco Construction LLC at the Colorado Division of Professions and Occupations.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | D1055 |
| Status | Inactive |
| City | Littleton |
| Type | Class D |
- According to the The City of Littleton, CO, 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 Denco Construction LLC at the The City of Littleton, CO.
This is a sample of licensing data; click here to access a complete history.
99
BuildZoom Score
56
Permits
- Building permit records show that Denco Construction LLC has worked on 56 permitted projects.
Denco Construction LLC Employees
DC
Denco Construction
Owner
DL
Denco Electric, Llc
RA
Rolando Altamirano
Owner
RJ
Rolando Altamirano Jr
Co Owner