Updated: Jun 02, 2026
Location and Projects
Address
12456 N. DUMONT WAY, Littleton, CO, 80125
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Greiner Electric
Greiner Electric, 12456 N Dumont Way, Littleton, CO (Owned by: David Greiner) holds a Electrical license and 3 other licenses according to the Castle Rock license board.
Their BuildZoom score of 110 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 Greiner Electric, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Greiner Electric Contact Information
Phone Number: (303) 470-9702
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Address: 12456 N. DUMONT WAY, Littleton, CO 80125
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Greiner Electric Littleton
Quality
110
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Greiner Electric has a BuildZoom score of 110, which places them above 96% of 55,949 contractors in Colorado.
Activity
|
43 projects
|
2025 |
|
7 projects
|
2024 |
Our building permit records indicate that Greiner Electric has worked on at least
50.0 projects over the past 2 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
|
4 projects
|
Commercial Renovations |
|
50 projects
|
Electrical projects |
Analyzing permits over the last 4 years shows that Greiner Electric mostly works on
electrical project
and commercial renovation
projects.
Pricing
|
25 projects
|
< $5k |
|
5 projects
|
$5k-$20k |
|
3 projects
|
$20k-$50k |
|
4 projects
|
$50k-$100k |
|
2 projects
|
$100k-$250k |
|
2 projects
|
$250k-$500k |
|
1 project
|
$500k-$1mil |
|
2 projects
|
$1mil+ |
The typical size of their permits is approximately $4,000. 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.
Commercial remodel - like for like change of appliances and finishes. plumbing mechanical - electrical - addition circuits for new kitchen equipment
Valuation:
$250,000
Permit #:
25-0644
Status:
final
Fee:
$6,278
Permit Type:
N/A
Building Type:
N/A
Basement mechanical room requires a replacement of their steam boiler. code analysis extract from 2020-log-0010064: the medical office building consists of a twelve-story tower portion and a four-story western portion. the construction type of the medical office building is type 1-a per ibc and type 1 per nfpa 220. the main occupancy group of the building is business (b) per ibc and b... see more
Valuation:
$95,000
Permit #:
2023-ELEC-0005768
Status:
final
Fee:
$735
Permit Type:
N/A
Building Type:
Commercial
Tenant finish of office space and warehouse space
Valuation:
$7,810,435
Permit #:
COMM25-00057
Status:
issued
Fee:
$221,841
Permit Type:
Tenant finish
Building Type:
N/A
2323 delgany st -scripps- mod dwgs 22-cc-3293 2323 delgany st - scripps -modification to scripps denver7 studio; exterior tenant finish scope original log and commcon; 2022-log-0016625 \ 2022-commcon-0003293. original zoning permit; 2023-zone-0001945. modified scope to affect arch elect struc and civil. mods to scope are due to value engineering exercise to reduce costs; there is a $0... see more
Valuation:
$1
Permit #:
2024-ELEC-0004948
Status:
issued
Fee:
$250
Permit Type:
N/A
Building Type:
Commercial
Desmet hall -gas detection panel - electrical permit 2024-elec-0004754 mechanical permit 2024-mech-0006696 fire alarm 2024-fire-0000287
Valuation:
$10,000
Permit #:
2025-FIRE-0003371
Status:
issued
Fee:
$649
Permit Type:
N/A
Building Type:
N/A
This is the last revision to permit# 2025-fire-0004541
Valuation:
$4,000
Permit #:
2025-FIRE-0006476
Status:
final
Fee:
$176
Permit Type:
N/A
Building Type:
N/A
Modified permit to 2024-fire-0005720
Valuation:
$265,882
Permit #:
2025-FIRE-0004541
Status:
issued
Fee:
$850
Permit Type:
N/A
Building Type:
N/A
Outside festival 5/31/25-6/1/25. grounding of (3) movie sets (2) 36kw generators (3) 56kw generators and (17) battery units
Valuation:
$4,000
Permit #:
2025-ELEC-0005399
Status:
final
Fee:
$51
Permit Type:
N/A
Building Type:
Commercial
Zeds dead & eli brown event 7/4/25 - 7/5/25. grounding of (3) movie set generators (1) 150kw generator and (6) bess units
Valuation:
$4,000
Permit #:
2025-ELEC-0006971
Status:
final
Fee:
$51
Permit Type:
N/A
Building Type:
Commercial
We received a request from the field inspector to provide additional information on the electrical drawings for 2023-boilerac-0000547 and have made revisions and comments to the drawings
Valuation:
N/A
Permit #:
2024-ELEC-0006232
Status:
final
Fee:
$145
Permit Type:
N/A
Building Type:
Commercial
Commercial interior remodel
Valuation:
$226,055
Permit #:
Q04127
Status:
filed
Fee:
$100
Permit Type:
437 (commercial a...
Building Type:
N/A
Simple plan event 8/17/25 - grounding of (3) movie generators (2) 56kw (2) 25kw (2) 33kw (2) 38kw (2) 38kw and (2) 145kw generators
Valuation:
$4,500
Permit #:
2025-ELEC-0008883
Status:
final
Fee:
$59
Permit Type:
N/A
Building Type:
Commercial
Fisher block party 5/26/25. grounding of (2) movie sets and (1) 20kw generator
Valuation:
$1,500
Permit #:
2025-ELEC-0005532
Status:
withdrawn
Fee:
$35
Permit Type:
N/A
Building Type:
Commercial
Day trip event 9/27/25 - grounding of (3) movie generators (2) 56kw (2) 25kw (2) 33kw (2) 38kw and (2) 145kw generators
Valuation:
$6,500
Permit #:
2025-ELEC-0010515
Status:
final
Fee:
$75
Permit Type:
N/A
Building Type:
Commercial
Underground music showcase 7/25/25-7/27/25 grounding of (2) movie sets (3) 56kw (1) 36kw (1)20kw generators and (4) bess units
Valuation:
$4,800
Permit #:
2025-ELEC-0008100
Status:
final
Fee:
$59
Permit Type:
N/A
Building Type:
Commercial
2121 e asbury ave - new scoreboard - electrical demolish existing practice field service. install new 30kva transformer and panel for new upsized score board
Valuation:
$32,210
Permit #:
2025-LOG-0006927
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Lowe's home improvement retail store
Valuation:
$9,450,000
Permit #:
BPC-017179-2021
Status:
final
Fee:
N/A
Permit Type:
Commercial other
Building Type:
N/A
Special event provide grounding for (1) 100kw generator at the national western event center for a 3 day event
Valuation:
$2,800
Permit #:
2025-ELEC-0008515
Status:
final
Fee:
$43
Permit Type:
N/A
Building Type:
Commercial
Jamie xx gordon city & boiler room event 8/6/25-8/10/25. grounding of (2) movie set generators and (3) bess unit
Valuation:
$2,000
Permit #:
2025-ELEC-0008471
Status:
final
Fee:
$35
Permit Type:
N/A
Building Type:
Commercial
Tenant improvement buildout of small office space
Valuation:
$6,500
Permit #:
2025-ELEC-0004384
Status:
final
Fee:
$175
Permit Type:
N/A
Building Type:
Commercial
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Greiner Electric Reviews
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Verified License
BuildZoom confirmed this contractor's license
Greiner Electric License info
Verified License
| License # | CR25-0329 |
| Status | Active |
| Town | Castle Rock |
| Type | Electrical |
| Date Issued | 03-31-2026 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Greiner Electric at the Castle Rock Town, Colorado.
This is a sample of licensing data; click here to access a complete history.
License Not Required
| Status | Not Required |
- BuildZoom verified in December, 2024 that this contractor does not need a license to be a electrician in Colorado.
This is a sample of licensing data; click here to access a complete history.
Unverified License
| License # | 04-0334 |
| Status | Unable To Verify |
| Town | Castle Rock |
| Type | Electrical |
- 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.
Unverified License
| License # | 21-021067 |
| Status | Unable To Verify |
| City | Lafayette |
| Type | Electrical Contractor |
- 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.
110
BuildZoom Score
Insured
| Insurer | Zurich American Ins. Company |
Insured
| Workers Comp Provider | Zurich American Ins. Company |
67
Permits
- Building permit records show that Greiner Electric has worked on 67 permitted projects.
Greiner Electric Employees
AK
Aubrey Knoll
Co Owner
DG
David Greiner
Owner
SF
Steve Foote