Updated: May 27, 2026
Location and Projects
Address
7200 S ALTON WAY STE A-310, Centennial, CO, 80112
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Harmonic Construction Services Inc
Harmonic Construction Services Inc, 7200 S Alton Way, Centennial, CO (Owned by: Keith Holmes) holds a Building Contractor Class B license and 7 other licenses according to the Denver 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 Harmonic Construction Services Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Harmonic Construction Services Inc Services
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Harmonic Construction Services Inc Contact Information
Phone Number: (720) 771-7333
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Address: 7200 S ALTON WAY STE A-310, Centennial, CO 80112
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Harmonic Construction Services Inc Centennial
Quality
99
85th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Harmonic Construction Services Inc has a BuildZoom score of 99, which places them above 85% of 55,949 contractors in Colorado.
Activity
|
2 projects
|
2024 |
|
3 projects
|
2023 |
Our building permit records indicate that Harmonic Construction Services Inc has worked on at least
5.0 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 |
|
2 projects
|
$5k-$20k |
|
1 project
|
$20k-$50k |
|
1 project
|
$50k-$100k |
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 Harmonic Construction Services Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Repair and alteration of existing 12-unit apartment building. there is an associated administrative modification request being submitted with the log submittal documents
Valuation:
N/A
Permit #:
2021-FAI-0003137
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Fai tenant improvement. conversion of 5007 s.f. vacant (never occupied) commercial space to six (6) residential units. result is that entire building shall be r-2 with no mixed occupancy
Valuation:
N/A
Permit #:
2021-FAI-0003110
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition common laundry room with one washer and electric dryer
Valuation:
N/A
Permit #:
2021-COMMCON-0000123
Status:
issued
Fee:
$184
Permit Type:
N/A
Building Type:
N/A
Remove and replace lid over porte-cochere entry
Valuation:
$17,500
Permit #:
BLDG23-00850
Status:
final
Fee:
$755
Permit Type:
Tenant finish or ...
Building Type:
N/A
Interior renovation of unit 7437
Valuation:
$55,000
Permit #:
RES23-00470
Status:
final
Fee:
$2,090
Permit Type:
N/A
Building Type:
N/A
New parking pad
Valuation:
$20,000
Permit #:
COMM24-00007
Status:
approved
Fee:
$949
Permit Type:
Miscellaneous
Building Type:
N/A
Remodel of 1 bedroom apartment
Valuation:
$35,346
Permit #:
BLDG23-00870
Status:
final
Fee:
$1,349
Permit Type:
Remodel
Building Type:
N/A
Addition common laundry room with one washer and electric dryer
Valuation:
N/A
Permit #:
2021-LOG-0000164
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New parking pad
Valuation:
$16,000
Permit #:
RES23-01389
Status:
applied
Fee:
$735
Permit Type:
N/A
Building Type:
N/A
Castlegate apts deck repair units 2117 2118 2122
Valuation:
$750
Permit #:
COMM19-00042
Status:
final
Fee:
$75
Permit Type:
Miscellaneous
Building Type:
N/A
Interior renovation
Valuation:
$34,549
Permit #:
BLDG23-00367
Status:
expired
Fee:
$1,322
Permit Type:
Remodel
Building Type:
N/A
Castlegate apts deck repair units 1119 and 1120
Valuation:
$500
Permit #:
COMM19-00050
Status:
approved
Fee:
$53
Permit Type:
Miscellaneous
Building Type:
N/A
Castlegate apts deck repair units 1205 and 1209
Valuation:
$500
Permit #:
COMM19-00049
Status:
final
Fee:
$53
Permit Type:
Miscellaneous
Building Type:
N/A
Castlegate apts deck repair units 1917 & 1924
Valuation:
$500
Permit #:
COMM19-00039
Status:
final
Fee:
$53
Permit Type:
Miscellaneous
Building Type:
N/A
Castlegate deck repair units 1307 1309 1311
Valuation:
$750
Permit #:
COMM19-00030
Status:
final
Fee:
$75
Permit Type:
Miscellaneous
Building Type:
N/A
Castlegate deck repair units 1510 1511
Valuation:
$500
Permit #:
COMM19-00035
Status:
final
Fee:
$53
Permit Type:
Miscellaneous
Building Type:
N/A
Castlegate deck repair units 1317 1324
Valuation:
$500
Permit #:
COMM19-00031
Status:
final
Fee:
$53
Permit Type:
Miscellaneous
Building Type:
N/A
Remodel unit 115
Valuation:
$25,000
Permit #:
BLDG22-01373
Status:
final
Fee:
$1,027
Permit Type:
Remodel
Building Type:
N/A
Interior demolish
Valuation:
$4,000
Permit #:
DEMO23-00012
Status:
applied
Fee:
$62
Permit Type:
Minor (interior)
Building Type:
N/A
Castlegate apts deck repair unit 1219
Valuation:
$250
Permit #:
COMM19-00048
Status:
approved
Fee:
$48
Permit Type:
Miscellaneous
Building Type:
N/A
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Harmonic Construction Services Inc Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Harmonic Construction Services Inc License info
Verified License
| Status | Active |
| City | Denver |
| Type | Building Contractor Class B |
- BuildZoom verified this license was active as of May 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | MA190191 |
| Status | Active |
| County | Douglas County |
| Type | Mechanical A |
- BuildZoom verified this license was active as of October 2025.
Verify this license's status for Harmonic Construction Services Inc at the Douglas County Building Division.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | B190190 |
| Status | Active |
| County | Douglas County |
| Type | General B |
- BuildZoom verified this license was active as of October 2025.
Verify this license's status for Harmonic Construction Services Inc at the Douglas County Building Division.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NAT-113960-2 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
- According to the United States Environmental Protection Agency, 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 Harmonic Construction Services Inc at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Aurora |
| Type | Commercial Building Contractor |
- According to the Aurora, 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.
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
| License # | B00026 |
| Status | Inactive |
| City | Littleton |
| Type | Class B |
- 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 Harmonic Construction Services Inc at the The City of Littleton, CO.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | AEC6658 |
| 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 Harmonic Construction Services Inc at the The City of Arvada, Colorado.
This is a sample of licensing data; click here to access a complete history.
99
BuildZoom Score
69
Permits
- Building permit records show that Harmonic Construction Services Inc has worked on 69 permitted projects.
Harmonic Construction Services Inc Employees
CG
Cheryl Gonzales
Owner
HI
Harmonic Const Services Inc
Owner
KH
Keith A Holmes
Co Owner
KH
Keith Holmes
Owner
MM
Margaret Mcdermott