Updated: Jun 23, 2026
Location and Projects
Address
1280 S Shoshone St, Denver, CO, 80223
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Auxiliary Electric
MASTER ELECTRICIAN
FULLY INSURED
TROUBLESHOOTING
SERVICE CALLS
SERVICE CHANGES
REMODELS
TENANT FINISHES
LIGHTING UPGRADES
SURGE PROTECTION
GROUNDING UPGRADES
XCEL PROBLEMS
COMMERCIAL ELECTRICAL
RESIDENTIAL ELECTRICAL
LED LIGHTING
LAUNDRYMAT ELECTRICAL
OFFICE BLDG. ELECTRICAL
STRIP MALL ELECTRICAL
TROFFERS BALLAST WIRING
SLIMLINE H.O.
T-8/T-12 CONVERSIONS
RETROFITS/LED
From BuildZoom: Auxiliary Electric, 1280 S Shoshone St, Denver, CO (Owned by: Tyler Williams) holds a Electrical license and 17 other licenses according to the Centennial license board.
Their BuildZoom score of 106 ranks in the top 7% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Auxiliary Electric, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Auxiliary Electric Services
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Auxiliary Electric Contact Information
Phone Number: (303) 726-1962
Address: 1280 S Shoshone St, Denver, CO 80223
Auxiliary Electric Denver
Quality
106
93rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Auxiliary Electric has a BuildZoom score of 106, which places them above 93% of 55,949 contractors in Colorado.
Activity
|
12 projects
|
2025 |
|
9 projects
|
2024 |
|
7 projects
|
2023 |
Our building permit records indicate that Auxiliary Electric has worked on at least
28.0 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
|
New Constructions |
|
25 projects
|
Electrical projects |
Analyzing permits over the last 4 years shows that Auxiliary Electric mostly works on
electrical project
and new construction
projects.
Pricing
|
17 projects
|
< $5k |
|
2 projects
|
$5k-$20k |
|
8 projects
|
$20k-$50k |
|
1 project
|
$100k-$250k |
The typical size of their permits is approximately $3,410. 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.
Remodel to create a coffee bar and retail space. includes some plumbing improvements s well as pony walls built to accommodate countertops and equipment. new electrical circuits wall also be added to support equipment and new lighting fixtures. change of use has been submitted
Valuation:
$45,000
Permit #:
B202404456
Status:
complete
Fee:
$2,186
Permit Type:
N/A
Building Type:
N/A
Submitting one line from electrical. it says at the beginning to upload to existing permit but does not allow it new house with attached garage
Valuation:
$32,000
Permit #:
2024-ELEC-0013865
Status:
final
Fee:
$276
Permit Type:
N/A
Building Type:
Single family res...
Submitting one line from electrical. it says at the beginning to upload to existing permit but does not allow it new house with attached garage
Valuation:
$32,000
Permit #:
2024-LOG-0011044
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
444 n milwaukee st - single family residence - dwgs for quick permit 22-elec-15410 400 amp service
Valuation:
$5,000
Permit #:
2023-ELEC-0008968
Status:
final
Fee:
$159
Permit Type:
N/A
Building Type:
Single family res...
Twmp electrical pole
Valuation:
$580
Permit #:
2025-ELEC-0002114
Status:
final
Fee:
$35
Permit Type:
N/A
Building Type:
Single family res...
Change of contractor
Valuation:
N/A
Permit #:
2025-ELEC-0000841
Status:
final
Fee:
$100
Permit Type:
N/A
Building Type:
Duplex
Change of contractor
Valuation:
N/A
Permit #:
2025-ELEC-0000837
Status:
final
Fee:
$100
Permit Type:
N/A
Building Type:
Duplex
Temporary service
Valuation:
$525
Permit #:
2025-ELEC-0005138
Status:
final
Fee:
$35
Permit Type:
N/A
Building Type:
Single family res...
2540 s fillmore st - det garage 400 amp new house and detached garage 400 amp service
Valuation:
$48,000
Permit #:
2023-ELEC-0008542
Status:
issued
Fee:
$504
Permit Type:
N/A
Building Type:
Single family res...
2628 e cedar ave - attached garage 400amp new house attached garage 400 amp service
Valuation:
$50,000
Permit #:
2023-ELEC-0008428
Status:
issued
Fee:
$574
Permit Type:
N/A
Building Type:
Single family res...
2540 s fillmore temp pole. house is vacant and being demolished for new house. temp panel on south side in middle of lot
Valuation:
$540
Permit #:
2021-ELEC-0013295
Status:
final
Fee:
$35
Permit Type:
N/A
Building Type:
Single family res...
It's a new house. inspector want new one line showing overhead service feed
Valuation:
N/A
Permit #:
2024-ELEC-0001996
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
Single family res...
It's a new house. inspector want new one line showing overhead service feed
Valuation:
N/A
Permit #:
2024-LOG-0001327
Status:
approved
Fee:
$225
Permit Type:
N/A
Building Type:
N/A
2557_2553_2559 w 32nd ave - svc upgrade service upgrade and remodel 2557 and 2553 w 32nd ave
Valuation:
$8,000
Permit #:
2023-ELEC-0008998
Status:
issued
Fee:
$116
Permit Type:
N/A
Building Type:
N/A
2557_2553_2559 w 32nd ave - svc upgrade service upgrade and remodel 2557 and 2553 w 32nd ave
Valuation:
$6,800
Permit #:
2023-ELEC-0009000
Status:
issued
Fee:
$108
Permit Type:
N/A
Building Type:
N/A
448 n milwaukee st - single family residence - 400 amp svc 448 milwaukee 400 amp service
Valuation:
$1
Permit #:
2023-ELEC-0008991
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
2557_2553_2559 w 32nd ave - svc upgrade service upgrade and remodel 2557 and 2553 w 32nd ave
Valuation:
$3,500
Permit #:
2023-ELEC-0009001
Status:
issued
Fee:
$84
Permit Type:
N/A
Building Type:
N/A
400 amp electrical service and new house
Valuation:
$40,000
Permit #:
2024-LOG-0009444
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New house attached garage
Valuation:
$33,000
Permit #:
2025-ELEC-0009628
Status:
issued
Fee:
$284
Permit Type:
N/A
Building Type:
Single family res...
New house with 400 amp service and attached garage
Valuation:
$48,000
Permit #:
2023-LOG-0007668
Status:
withdrawn
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Auxiliary Electric Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Auxiliary Electric License info
Verified License
| License # | CL-001012-2019 |
| Status | Active |
| City | Centennial |
| Type | Electrical |
| Class | Electrical |
| Date Issued | 12-17-2025 |
| Business Type | Electrical Contractor |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Auxiliary Electric at the Centennial Community Development Contractor Licensing.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | E01026 |
| Status | Active |
| City | Littleton |
| Type | Contractor |
| Date Issued | 06-10-2026 |
| Business Type | Electrical Contractor |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Auxiliary Electric at the The City of Littleton, CO.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Denver |
| Type | Electrical |
| Business Type | Electrical Contractor |
- 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 # | 101231 |
| Status | Active |
| State | Colorado |
| Type | Electrical Contractor |
| Business Type | Electrical Contractor |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Auxiliary Electric at the Colorado Division of Professions and Occupations.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 1888 |
| Status | Active |
| State | Colorado |
| Type | Electrical Contractor |
| Business Type | Electrical Contractor |
- When BuildZoom last verified this license, it had an expiration date of September, 2017. Check the current license status of Auxiliary Electric with the Colorado Division of Professions and Occupations
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 27610 |
| Status | Active |
| City | Thornton |
| Type | Electrical |
| Business Type | Electrical Contractor |
- When BuildZoom last verified this license, it had an expiration date of October, 2017. Check the current license status of Auxiliary Electric with the Thornton City Development Contractor License
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 1230 |
| Status | Active |
| City | Arvada |
| Type | Bid Contractor, Electrical |
| Business Type | Electrical Contractor |
- When BuildZoom last verified this license, it had an expiration date of October, 2017. Check the current license status of Auxiliary Electric with the The City of Arvada, Colorado
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | EC.0001888 |
| Status | Active |
| State | Colorado |
| Type | Electrical Contractor |
| Business Type | Electrical Contractor |
- When BuildZoom last verified this license, it had an expiration date of October, 2017. Check the current license status of Auxiliary Electric with the Colorado Division of Professions and Occupations
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | COEC-1888 |
| Status | Active |
| City | Denver |
| Type | Electrical Contractor |
| Business Type | Electrical Contractor |
- When BuildZoom last verified this license, it had an expiration date of September, 2011. Check the current license status of Auxiliary Electric with the Denver Community Planning and Development
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1888 |
| Status | Inactive |
| State | Colorado |
| Type | Electrical Contractor |
| Business 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.
Check this license's status for Auxiliary Electric 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 # | 2101081 |
| Status | Inactive |
| City | Westminster |
| Type | Electrical Contractor |
| Business Type | Electrical Contractor |
- According to the City of Westminster, Colorado, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Auxiliary Electric at the City of Westminster, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Denver |
| Type | Electrical |
| Business Type | Electrical Contractor |
- 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Denver |
| Type | Electrical |
| Business Type | Electrical Contractor |
- 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Denver |
| Business Type | Electrical Contractor |
- 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 100930067 |
| Status | Inactive |
| City | Westminster |
| Type | Electrical Contractor |
| Business Type | Electrical Contractor |
- According to the City of Westminster, Colorado, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Auxiliary Electric at the City of Westminster, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | E00410 |
| Status | Inactive |
| City | Littleton |
| Type | Contractor |
| Business Type | Electrical Contractor |
- According to the The City of Littleton, CO, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Auxiliary Electric at the The City of Littleton, CO.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | LCC2015063260 |
| Status | Inactive |
| City | Thornton |
| Type | Class D Electrical |
| Business Type | Electrical 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.
Check this license's status for Auxiliary Electric at the Thornton City Development Contractor License.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | AEC1230 |
| Status | Inactive |
| City | Arvada |
| Type | Contractor |
| Business Type | Electrical 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.
Check this license's status for Auxiliary Electric at the The City of Arvada, Colorado.
This is a sample of licensing data; click here to access a complete history.
106
BuildZoom Score
Insured
| Insurer | Colorado Casualty Insurance |
120
Permits
- Building permit records show that Auxiliary Electric has worked on 120 permitted projects.
Auxiliary Electric Employees
TW
Tyler Williams
Owner
WL
Walker Nancy L
Owner
WA
Walker, David A