Updated: Jun 09, 2026
Location and Projects
Address
8260 Grandview Ave., Arvada, CO, 80002
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Superior Group Photos
Superior Group Electrician
Electrical Contracting Commerical Residential
From BuildZoom: Superior Group, 8260 Grandview Ave, Arvada, CO (Owned by: William Mazowski) holds a Contractor license and 6 other licenses according to the Parker license board.
Their BuildZoom score of 112 ranks in the top 3% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Superior Group, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Superior Group Contact Information
Phone Number: (720) 355-3388
Address: 8260 Grandview Ave., Arvada, CO 80002
Superior Group Arvada
Quality
112
97th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Superior Group has a BuildZoom score of 112, which places them above 97% of 55,949 contractors in Colorado.
Activity
|
10 projects
|
2025 |
|
9 projects
|
2024 |
|
3 projects
|
2023 |
Our building permit records indicate that Superior Group has worked on at least
22.0 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
|
3 projects
|
Home Additions |
|
17 projects
|
Electrical projects |
Analyzing permits over the last 4 years shows that Superior Group mostly works on
electrical project
and home addition
projects.
Pricing
|
13 projects
|
< $5k |
|
2 projects
|
$5k-$20k |
|
1 project
|
$20k-$50k |
|
2 projects
|
$500k-$1mil |
The typical size of their permits is approximately $3,000. 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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Marshall fire rebuild for a 5292 sq ft 2 story single family detached residence with a 6 beds 5 baths and a finished basement
Valuation:
$850,000
Permit #:
RES-3871-2025
Status:
issued
Fee:
$30,643
Permit Type:
N/A
Building Type:
N/A
Marshall fire rebuild for a 5109 sq ft 2 story single family detached residence with a 6 beds 5 baths and a finished basement
Valuation:
$850,881
Permit #:
RES-3920-2025
Status:
issued
Fee:
$30,873
Permit Type:
N/A
Building Type:
N/A
Remove the existing panel that someone in the past installed in the house at stairway that did not meet the minium requirement of the nec. installation of a new panel located outside and refeed the existing circuit into the new panel
Valuation:
$2,800
Permit #:
2024-ELEC-0003321
Status:
final
Fee:
$43
Permit Type:
N/A
Building Type:
Single family res...
8th floor addition 16 outlets in bar area for outlet a&c charger combinations. addition 5 light fixture boxes in corridor
Valuation:
$2,500
Permit #:
2025-ELEC-0008747
Status:
issued
Fee:
$43
Permit Type:
N/A
Building Type:
Commercial
Two new windows 3 new skylights new pantry added one new bathroom added interior layout revision
Valuation:
$42,000
Permit #:
RES-3849-2025
Status:
issued
Fee:
$2,038
Permit Type:
N/A
Building Type:
N/A
Detached garage-cottage electrical service 200- garage refeed the single family dwelling rough electrical wiring and final electrical wiring
Valuation:
$4,300
Permit #:
2024-ELEC-0000653
Status:
final
Fee:
$59
Permit Type:
N/A
Building Type:
Single family res...
Installation of 2 new 120 volt circuits for addition including receptacle outlets and light fixture
Valuation:
$1,400
Permit #:
2023-ELEC-0001756
Status:
issued
Fee:
$35
Permit Type:
N/A
Building Type:
Single family res...
Installation of 4 additional for bathroom outlet(s) light(s) and existing exhaust fan. added branch circuit for additional recess lighting
Valuation:
$2,500
Permit #:
2021-ELEC-0012335
Status:
final
Fee:
$43
Permit Type:
N/A
Building Type:
Single family res...
Bathroom remodel. addition 1-20 amp 120 volt circuit from the existing panel to the new bathroom location
Valuation:
$1,000
Permit #:
2024-ELEC-0004109
Status:
final
Fee:
$35
Permit Type:
N/A
Building Type:
Single family res...
Removed the damaged split bus panel > installation of a new 200 ampere over head service only
Valuation:
$2,400
Permit #:
2022-ELEC-0013157
Status:
final
Fee:
$43
Permit Type:
N/A
Building Type:
Single family res...
Inspection of panel-gfci-heater-light for meter release
Valuation:
N/A
Permit #:
ELEC25-0297
Status:
triage
Fee:
$90
Permit Type:
Commercial sub co...
Building Type:
N/A
Took over the existing job per general contractor ian. will finish the electrical service and final electrical
Valuation:
$3,800
Permit #:
2021-ELEC-0005776
Status:
final
Fee:
$51
Permit Type:
N/A
Building Type:
Single family res...
Electrical service electtical rough electrical final
Valuation:
$7,777
Permit #:
2024-ELEC-0005416
Status:
issued
Fee:
$83
Permit Type:
N/A
Building Type:
Single family res...
Springhill suites guest room and corridor finish renovations
Valuation:
N/A
Permit #:
BLDG23-3893
Status:
final
Fee:
$8,322
Permit Type:
Building
Building Type:
N/A
Install switch 4 light wire heat pump
Valuation:
N/A
Permit #:
ELEC25-0232
Status:
final
Fee:
$90
Permit Type:
Commercial sub co...
Building Type:
N/A
Installation of conduit and wiring for hot tub
Valuation:
$1,400
Permit #:
2024-ELEC-0005522
Status:
issued
Fee:
$35
Permit Type:
N/A
Building Type:
Single family res...
Electrical service-rough and final per nec
Valuation:
$6,000
Permit #:
2024-ELEC-0003938
Status:
final
Fee:
$167
Permit Type:
N/A
Building Type:
Single family res...
Electrical panel change
Valuation:
$3,000
Permit #:
ELEC25-00511
Status:
final
Fee:
$137
Permit Type:
Residential
Building Type:
N/A
Com25-0069 electrical
Valuation:
N/A
Permit #:
ELEC25-0294
Status:
issued
Fee:
$99
Permit Type:
Commercial sub co...
Building Type:
N/A
Temporary power only
Valuation:
$350
Permit #:
2025-ELEC-0008333
Status:
final
Fee:
$20
Permit Type:
N/A
Building Type:
Single family res...
Superior Group Reviews
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Verified License
BuildZoom confirmed this contractor's license
Superior Group License info
Verified License
| License # | AEC8872 |
| Status | Active |
| Town | Parker |
| Type | Contractor |
| Date Issued | 07-25-2025 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Superior Group 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 May 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 3385 |
| Status | Active |
| State | Colorado |
| Type | Electrical Contractor |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Superior Group 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 # | 3385 |
| Status | Active |
| State | Colorado |
| Type | Electrical Contractor |
- When BuildZoom last verified this license, it had an expiration date of September, 2017. Check the current license status of Superior Group with the Colorado Division of Professions and Occupations
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | AEC12137 |
| 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.
Check this license's status for Superior Group at the The City of Arvada, Colorado.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | ME-1835 |
| Status | Inactive |
| City | Fort Collins |
| Type | Sub Contractor |
- According to the City of Fort Collins, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Superior Group at the City of Fort Collins.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 100731021 |
| Status | Inactive |
| City | Westminster |
| 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 Superior Group at the City of Westminster, Colorado.
This is a sample of licensing data; click here to access a complete history.
112
BuildZoom Score
Insured
| Insurer | State National Insurance |
| Insured up to | $2,000,000 |
35
Permits
- Building permit records show that Superior Group has worked on 35 permitted projects.
Superior Group Employees
SG
Superior Group
WM
William Mazowski
Owner