Updated: Jul 15, 2026
Location and Projects
Address
115 WILCOX ST #200, Castle Rock, CO, 80104
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Green Frontier Electric Ltd
Green Frontier Electric Ltd, 115 Wilcox St, Castle Rock, CO (Owned by: Caleb Thiel) holds a Electrical license and 11 other licenses according to the Boulder license board.
Their BuildZoom score of 111 ranks in the top 4% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Green Frontier Electric Ltd, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Green Frontier Electric Ltd Contact Information
Phone Number: (720) 425-0625
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Address: 115 WILCOX ST #200, Castle Rock, CO 80104
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Green Frontier Electric Ltd Castle Rock
Quality
111
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Green Frontier Electric Ltd has a BuildZoom score of 111, which places them above 96% of 55,949 contractors in Colorado.
Activity
|
118 projects
|
2025 |
|
44 projects
|
2024 |
|
29 projects
|
2023 |
Our building permit records indicate that Green Frontier Electric Ltd has worked on at least
191.0 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
|
11 projects
|
Home Additions |
|
184 projects
|
Electrical projects |
Analyzing permits over the last 4 years shows that Green Frontier Electric Ltd mostly works on
electrical project
and home addition
projects.
Pricing
|
97 projects
|
< $5k |
|
37 projects
|
$5k-$20k |
|
28 projects
|
$20k-$50k |
|
16 projects
|
$50k-$100k |
The typical size of their permits is approximately $6,000. 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 Green Frontier Electric Ltd
This is a sample of this contractor's permits. Click here to access their complete permit history.
Replacing existing 1200a service and 11 meter stacks for units 101 102 103 104 201 202 203 204 205 206 and house panel. remove and replace house panel. new service to be two 600a disconnects to replace single 1200a
Valuation:
$45,452
Permit #:
2025-LOG-0005321
Status:
approved
Fee:
$194
Permit Type:
N/A
Building Type:
N/A
Replacing existing 1200a service and 11 meter stacks for units 101 102 103 104 201 202 203 204 205 206 and house panel. remove and replace house panel. new service to be two 600a disconnects to replace single 1200a
Valuation:
$45,441
Permit #:
2025-LOG-0005072
Status:
approved
Fee:
$194
Permit Type:
N/A
Building Type:
N/A
Replacing existing 1200a service and 11 meter stacks for units 101 102 103 104 201 202 203 204 205 206 and house panel. remove and replace house panel. new service to be two 600a disconnects to replace single 1200a
Valuation:
$45,441
Permit #:
2025-LOG-0005070
Status:
approved
Fee:
$194
Permit Type:
N/A
Building Type:
N/A
Replacing existing 1200a service and 11 meter stacks for units 101 102 103 104 201 202 203 204 205 206 and house panel. remove and replace house panel. new service to be two 600a disconnects to replace single 1200a
Valuation:
$41,320
Permit #:
2025-LOG-0005324
Status:
approved
Fee:
$178
Permit Type:
N/A
Building Type:
N/A
Replacing existing 1200a service and 11 meter stacks for units 101 102 103 104 201 202 203 204 205 206 and house panel. remove and replace house panel. new service to be two 600a disconnects to replace single 1200a
Valuation:
$41,310
Permit #:
2025-LOG-0005328
Status:
approved
Fee:
$178
Permit Type:
N/A
Building Type:
N/A
Replacing existing 1200a service and 11 meter stacks for units 101 102 103 104 201 202 203 204 205 206 and house panel. remove and replace house panel. new service to be two 600a disconnects to replace single 1200a. ** please note unit 101 has a new panel with surge protection and main breaker rated at 22kaic
Valuation:
$45,452
Permit #:
2025-LOG-0009726
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacing existing 1200a service and 11 meter stacks for units 101 102 103 104 201 202 203 204 205 206 and house panel. remove and replace house panel. new service to be two 600a disconnects to replace single 1200a
Valuation:
$45,452
Permit #:
2025-LOG-0009723
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacing existing 1200a service and 11 meter stacks for units 101 102 103 104 201 202 203 204 205 206 and house panel. remove and replace house panel. new service to be two 600a disconnects to replace single 1200a
Valuation:
$45,452
Permit #:
2025-LOG-0009719
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacing existing 1200a service and 11 meter stacks for units 101 102 103 104 201 202 203 204 205 206 and house panel. remove and replace house panel. new service to be two 600a disconnects to replace single 1200a
Valuation:
$45,452
Permit #:
2025-LOG-0009713
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacing existing 1200a service and 11 meter stacks for units 101 102 103 104 201 202 203 204 205 206 and house panel. remove and replace house panel. new service to be two 600a disconnects to replace single 1200a
Valuation:
$45,452
Permit #:
2025-LOG-0009708
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacing existing 1200a service and 11 meter stacks for units 101 102 103 104 201 202 203 204 205 206 and house panel. remove and replace house panel. new service to be two 600a disconnects to replace single 1200a
Valuation:
$45,441
Permit #:
2025-ELEC-0010158
Status:
final
Fee:
$388
Permit Type:
N/A
Building Type:
N/A
Replacing existing 1200a service and 11 meter stacks for units 101 102 103 104 201 202 203 204 205 206 and house panel. remove and replace house panel. new service to be two 600a disconnects to replace single 1200a
Valuation:
$45,452
Permit #:
2025-ELEC-0010227
Status:
final
Fee:
$388
Permit Type:
N/A
Building Type:
Multi-family resi...
Replacing existing 1200a service and 11 meter stacks for units 101 102 103 104 201 202 203 204 205 206 and house panel. remove and replace house panel. new service to be two 600a disconnects to replace single 1200a
Valuation:
$45,441
Permit #:
2025-ELEC-0008904
Status:
final
Fee:
$388
Permit Type:
N/A
Building Type:
Multi-family resi...
Replacing existing 1200a service and 11 meter stacks for units 101 102 103 104 201 202 203 204 205 206 and house panel. remove and replace house panel. new service to be two 600a disconnects to replace single 1200a
Valuation:
$41,310
Permit #:
2025-ELEC-0010271
Status:
final
Fee:
$356
Permit Type:
N/A
Building Type:
Multi-family resi...
Replacing existing 1200a service and 11 meter stacks for units 101 102 103 104 201 202 203 204 205 206 and house panel. remove and replace house panel. new service to be two 600a disconnects to replace single 1200a
Valuation:
$41,320
Permit #:
2025-ELEC-0010243
Status:
final
Fee:
$356
Permit Type:
N/A
Building Type:
Multi-family resi...
Knob and tube wiring remediation. we-wire portions of house affected by burst water pipe reveling old and dangerous electrical hazards. wire house with new wring methods as needed
Valuation:
$8,000
Permit #:
2025-ELEC-0002115
Status:
final
Fee:
$83
Permit Type:
N/A
Building Type:
Single family res...
22.825 kw solar 2 tesla powerwall 3's (ess) 2 span smart panels. existing solar being completely removed and replaced by new system
Valuation:
N/A
Permit #:
ELE2025-00304
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New photovoltaic roof system 11.5 kw air conditioning 14.1 kw dc and 13.5 energy storage system
Valuation:
$68,230
Permit #:
2025-ELEC-0001151
Status:
final
Fee:
$50
Permit Type:
N/A
Building Type:
Single family res...
20173 e 43rd single family residence - addition ess system to photovoltaic new ess system existing photovoltaic
Valuation:
$14,400
Permit #:
2025-ELEC-0003021
Status:
final
Fee:
$50
Permit Type:
N/A
Building Type:
Single family res...
22170 e 43rd single family residence - addition ess system to photovoltaic new ess system existing photovoltaic
Valuation:
$14,400
Permit #:
2025-LOG-0002514
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Green Frontier Electric Ltd Reviews
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Verified License
BuildZoom confirmed this contractor's license
Green Frontier Electric Ltd License info
Verified License
| License # | LIC-01001345 |
| Status | Active |
| City | Boulder |
| Type | Electrical |
| Class | Electrical |
| Date Issued | 05-21-2026 |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Green Frontier Electric Ltd at the Boulder Licensing Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 2604998 |
| Status | Active |
| City | Westminster |
| Type | General Contractor |
| Date Issued | 02-05-2026 |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Green Frontier Electric Ltd at the City of Westminster, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 25-000487 |
| Status | Active |
| City | Lafayette |
| Type | Electrical Contractor |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Green Frontier Electric Ltd at the City of Lafayette.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CR22-0791 |
| Status | Active |
| Town | Castle Rock |
| Type | Electrical |
| Date Issued | 09-09-2025 |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Green Frontier Electric Ltd at the Castle Rock Town, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 2201954 |
| Status | Active |
| City | Westminster |
| Type | Electrical Contractor |
| Date Issued | 09-25-2025 |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Green Frontier Electric Ltd at the City of Westminster, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AEC10042 |
| Status | Active |
| City | Arvada |
| Type | Contractor |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Green Frontier Electric Ltd at the The City of Arvada, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AEC000363 |
| Status | Active |
| City | Littleton |
| Type | Contractor |
| Date Issued | 02-06-2026 |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Green Frontier Electric Ltd at the The City of Littleton, CO.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 102334 |
| Status | Active |
| State | Colorado |
| Type | Electrical Contractor |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Green Frontier Electric Ltd at the Colorado Division of Professions and Occupations.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AEC7111 |
| Status | Active |
| Town | Parker |
| Type | Contractor |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Green Frontier Electric Ltd 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 | Denver |
| Type | Electrical |
- 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 # | 102334 |
| Status | Active |
| State | Colorado |
| Type | Electrical Contractor |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Green Frontier Electric Ltd at the Colorado Division of Professions and Occupations.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | E220173 |
| Status | Active |
| County | Douglas County |
| Type | Electrical |
- BuildZoom has not verified this license since May, 2025.
Verify this license's status for Green Frontier Electric Ltd at the Douglas County Building Division.
This is a sample of licensing data; click here to access a complete history.
111
BuildZoom Score
Insured
| Insurer | Ohio Security |
Insured
| Workers Comp Provider | Hartford |
205
Permits
- Building permit records show that Green Frontier Electric Ltd has worked on 205 permitted projects.
Green Frontier Electric Ltd Employees
CT
Caleb Thiel
Owner
GL
Green Frontier Electric Ltd
GE
Green Frontier Electric Ltd (D20, E)
Owner
GE
Green Frontier Electric Ltd D20, E
Owner
GE
Green Frontier Electric Ltd E
Owner