Updated: Jun 02, 2026
Location and Projects
Address
2565 regmington Rd, Elizabeth, CO, 80107
Use our bidding system to
request a quote
Onken Mechanical Service
Onken Mechanical Service, 2565 Regmington Rd, Elizabeth, CO (Owned by: Glen Onken) holds a Mechanical license and 8 other licenses according to the Castle Rock license board.
Their BuildZoom score of 105 ranks in the top 8% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Onken Mechanical Service, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Onken Mechanical Service Contact Information
Phone Number: (720) 670-0459
Edit
Address: 2565 regmington Rd, Elizabeth, CO 80107
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
Onken Mechanical Service Elizabeth
Quality
105
92nd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Onken Mechanical Service has a BuildZoom score of 105, which places them above 92% of 55,949 contractors in Colorado.
Activity
|
7 projects
|
2025 |
|
6 projects
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that Onken Mechanical Service has worked on at least
15.0 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
|
8 projects
|
HVAC projects |
|
7 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that Onken Mechanical Service mostly works on
hvac project
and mechanical project
projects.
Pricing
|
2 projects
|
< $5k |
|
5 projects
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
|
1 project
|
$50k-$100k |
The typical size of their permits is approximately $10,990. 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.
Building Permits by Onken Mechanical Service
This is a sample of this contractor's permits. Click here to access their complete permit history.
Remodel of ground level of my personal residence
Valuation:
$82,414
Permit #:
BLDG25-00074
Status:
issued
Fee:
$2,643
Permit Type:
Remodel
Building Type:
N/A
Muay thai gym - mechanical work com24-0212
Valuation:
N/A
Permit #:
MECH25-0056
Status:
final
Fee:
$157
Permit Type:
Commercial sub co...
Building Type:
N/A
Rs - residential
Valuation:
$40,550
Permit #:
22-13903
Status:
issued
Fee:
$1,115
Permit Type:
Alteration
Building Type:
Residential
Exterior underground gas line
Valuation:
$8,500
Permit #:
24-05053
Status:
issued
Fee:
$167
Permit Type:
Exterior undergro...
Building Type:
N/A
Outbuilding heat system hanging unit
Valuation:
$4,000
Permit #:
BLD-2024-00518
Status:
expired
Fee:
$151
Permit Type:
N/A
Building Type:
N/A
Install 90000 btu furnace with air conditioning unit --|state electrical license: 000679 | -- |comments: 3.0 tons air conditioning unit c
Valuation:
$4,500
Permit #:
1327580
Status:
issued
Fee:
$230
Permit Type:
Mechanical permit
Building Type:
N/A
Furnace/ac combo
Valuation:
$18,000
Permit #:
24-11012
Status:
issued
Fee:
$293
Permit Type:
Furnace/AC combo
Building Type:
N/A
Water heater
Valuation:
$1,800
Permit #:
25-07274
Status:
complete
Fee:
$63
Permit Type:
Water heater
Building Type:
N/A
Furnace/ac combo
Valuation:
$10,895
Permit #:
24-16692
Status:
complete
Fee:
$195
Permit Type:
Furnace/AC combo
Building Type:
N/A
Air conditioner
Valuation:
$7,900
Permit #:
24-16089
Status:
complete
Fee:
$153
Permit Type:
Air conditioner
Building Type:
N/A
Range/stove
Valuation:
$800
Permit #:
21-01451
Status:
complete
Fee:
$33
Permit Type:
Range/stove
Building Type:
N/A
Campfield furnace and air conditioning replacement
Valuation:
N/A
Permit #:
RAC21-0135
Status:
final
Fee:
$319
Permit Type:
Replace exsisting...
Building Type:
N/A
Furnace/ac combo
Valuation:
$8,000
Permit #:
20-04944
Status:
issued
Fee:
$153
Permit Type:
Furnace/AC combo
Building Type:
N/A
Air conditioner
Valuation:
$4,400
Permit #:
20-05660
Status:
issued
Fee:
$111
Permit Type:
Air conditioner
Building Type:
N/A
Replacing existing crawlspace furnace. like to like furnace (fr)
Valuation:
$2,800
Permit #:
18120249 00000MP
Status:
complete
Fee:
N/A
Permit Type:
Repair remodel
Building Type:
Residential
Rs - residential
Valuation:
$88,197
Permit #:
18-06302
Status:
issued
Fee:
$1,840
Permit Type:
Addition
Building Type:
Residential
Campfield water heater replacement
Valuation:
N/A
Permit #:
ROC21-0491
Status:
final
Fee:
$71
Permit Type:
Water heater
Building Type:
N/A
6621 s columbine street
Valuation:
N/A
Permit #:
CEN-17-00589
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Basement finish
Valuation:
$39,215
Permit #:
20-3821
Status:
final
Fee:
$1,876
Permit Type:
Basement finish
Building Type:
N/A
Powell basement finish
Valuation:
N/A
Permit #:
RES21-0205
Status:
issued
Fee:
$295
Permit Type:
Basement finish
Building Type:
N/A
Similar Contractors See more
License # CR24-0149
Parker, CO
129
BZ Score
$4.5K
Avg Project
-
Projects
128
BZ Score
$8.7K
Avg Project
-
Projects
License # CR25-0822
Englewood, CO
134
BZ Score
$6.7K
Avg Project
-
Projects
Onken Mechanical Service Reviews
BuildZoom hasn't received any reviews for Onken Mechanical Service. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Let us find you an HVAC pro in your area today
We'll search our vast network of HVAC Pros and connect
you with one that meets your needs today.
Verified License
BuildZoom confirmed this contractor's license
Onken Mechanical Service License info
Verified License
| License # | CR25-0554 |
| Status | Active |
| Town | Castle Rock |
| Type | Mechanical |
| Date Issued | 10-28-2025 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Onken Mechanical Service at the Castle Rock Town, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AEC1085 |
| Status | Active |
| Town | Parker |
| Type | Contractor |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Onken Mechanical Service at the The Town of Parker, Colorado.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | MA120027 |
| Status | Active |
| County | Douglas County |
| Type | Mechanical A |
- When BuildZoom last verified this license, it had an expiration date of January, 2026. Check the current license status of Onken Mechanical Service with the Douglas County Building Division
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 1085 |
| Status | Active |
| Town | Parker |
| Type | Contractor |
- When BuildZoom last verified this license, it had an expiration date of January, 2017. Check the current license status of Onken Mechanical Service with the The Town of Parker, Colorado
This is a sample of licensing data; click here to access a complete history.
Unverified License
| License # | 16-1586 |
| Status | Unable To Verify |
| Town | Castle Rock |
| Type | Mechanical |
- 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
| Status | Inactive |
| City | Aurora |
| Type | Mechanical Systems 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 |
| County | Jefferson County |
| Type | Class A Mechanical (Unrestricted) |
| Class | Unrestricted |
- According to the Jefferson County Licensed Contractors, 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 | Aurora |
| Type | Mechanical Systems 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
| License # | LCC2015062986 |
| Status | Inactive |
| City | Thornton |
| Type | Class D Mechanical |
- 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 Onken Mechanical Service at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
105
BuildZoom Score
Insured
| Insurer | State Auto |
Insured
| Workers Comp Provider | Pinnacol |
78
Permits
- Building permit records show that Onken Mechanical Service has worked on 78 permitted projects.
Onken Mechanical Service Employees
GO
Glen Onken
Owner
GO
Glenn Onken
Owner