Updated: Jun 23, 2026
Location and Projects
Address
3697 South Waco Street, Aurora..., Aurora, CO, 80013
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Obrien Electrical Contractors
Obrien Electrical Contractors, 3697 S Waco St, Aurora, CO (Owned by: Erin O'brien) holds a Electrical license and 8 other licenses according to the Castle Rock license board.
Their BuildZoom score of 107 ranks in the top 6% of 55,949 Colorado licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Obrien Electrical Contractors, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Obrien Electrical Contractors Contact Information
Phone Number: (303) 463-1800
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Address: 3697 South Waco Street, Aurora..., Aurora, CO 80013
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Obrien Electrical Contractors Aurora
Quality
107
94th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Obrien Electrical Contractors has a BuildZoom score of 107, which places them above 94% of 55,949 contractors in Colorado.
Activity
|
22 projects
|
2025 |
|
2 projects
|
2024 |
Our building permit records indicate that Obrien Electrical Contractors has worked on at least
24.0 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
|
3 projects
|
Home Additions |
|
24 projects
|
Electrical projects |
Analyzing permits over the last 4 years shows that Obrien Electrical Contractors mostly works on
electrical project
and home addition
projects.
Pricing
|
13 projects
|
< $5k |
|
8 projects
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
The typical size of their permits is approximately $5,000. 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 Obrien Electrical Contractors
This is a sample of this contractor's permits. Click here to access their complete permit history.
New addition/re-wire existing 4 bathrooms upstairs laundry room dinning room office and basement bedroom in existing house
Valuation:
$35,000
Permit #:
2025-ELEC-0010398
Status:
issued
Fee:
$300
Permit Type:
N/A
Building Type:
Single family res...
New lighting in master bathroom kitchen remodel – new lighting – kitchen layout is same as existing - no new circuits
Valuation:
$8,000
Permit #:
2025-ELEC-0010253
Status:
issued
Fee:
$83
Permit Type:
N/A
Building Type:
Single family res...
Comments: the service is upgrading to 200 amp| the service type is underground feeder
Valuation:
$4,000
Permit #:
1862852
Status:
issued
Fee:
$174
Permit Type:
Electrical permit
Building Type:
N/A
Buildingonline | centro installation of new level 2 electric vehicle charging in parking area
Valuation:
$1,200
Permit #:
1924746
Status:
issued
Fee:
$73
Permit Type:
Electrical permit
Building Type:
N/A
Buildingonline |centro installation of new level 2 electric vehicle charging in parking area
Valuation:
$1,200
Permit #:
1924742
Status:
issued
Fee:
$73
Permit Type:
Electrical permit
Building Type:
N/A
Finish electric from prior electrician
Valuation:
$1,500
Permit #:
2025-ELEC-0005364
Status:
issued
Fee:
$35
Permit Type:
N/A
Building Type:
Single family res...
Comments: the service is upgrading to 200 amp| the service type is underground feeder
Valuation:
$1,900
Permit #:
1910373
Status:
issued
Fee:
$182
Permit Type:
Electrical permit
Building Type:
N/A
200 amp electrical service
Valuation:
$3,500
Permit #:
1877029
Status:
issued
Fee:
$182
Permit Type:
Electrical permit
Building Type:
N/A
Comments: 50amp receptacle to garage
Valuation:
$700
Permit #:
1821947
Status:
issued
Fee:
$174
Permit Type:
Electrical permit
Building Type:
N/A
Minor interior & exterior repairs due to vehicle impact
Valuation:
$13,000
Permit #:
RES25-00043
Status:
final
Fee:
$568
Permit Type:
N/A
Building Type:
N/A
Sub panel new circuits to heat pump power for condensate pump crawl space lights and gfi
Valuation:
N/A
Permit #:
ELE2022-01315
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Comments: the service is upgrading to 200 amp| the service type is underground feeder
Valuation:
$1,900
Permit #:
1607017
Status:
issued
Fee:
$161
Permit Type:
Electrical permit
Building Type:
N/A
Kitchen remodel and new lighting in master bathroom
Valuation:
$7,000
Permit #:
2025-ELEC-0010020
Status:
issued
Fee:
$75
Permit Type:
N/A
Building Type:
Single family res...
Comments: the service is upgrading to 200 amp| the service type is pvc riser
Valuation:
$2,225
Permit #:
1598771
Status:
issued
Fee:
$161
Permit Type:
Electrical permit
Building Type:
N/A
New lighting and clean up electric in walls
Valuation:
$12,000
Permit #:
2025-ELEC-0010428
Status:
issued
Fee:
$115
Permit Type:
N/A
Building Type:
Commercial
Comments: the service is upgrading to 200 amp| the service type is underground feeder| 200amp service change and 100amp sub panel
Valuation:
$2,000
Permit #:
1455058
Status:
issued
Fee:
$154
Permit Type:
Electrical permit
Building Type:
N/A
Addition and house re-wire
Valuation:
$25,000
Permit #:
2025-ELEC-0007315
Status:
issued
Fee:
$219
Permit Type:
N/A
Building Type:
Single family res...
Comments: the service is upgrading to 200 amp| the service type is underground feeder| added 100amp sub-panel in garage
Valuation:
$2,500
Permit #:
1435199
Status:
issued
Fee:
$154
Permit Type:
Electrical permit
Building Type:
N/A
200 amp service change overhead
Valuation:
$4,000
Permit #:
2025-ELEC-0010670
Status:
final
Fee:
$51
Permit Type:
N/A
Building Type:
Single family res...
200 amp service change overhead
Valuation:
$4,000
Permit #:
2025-ELEC-0010661
Status:
final
Fee:
$51
Permit Type:
N/A
Building Type:
Single family res...
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BZ Score
$6.5K
Avg Project
-
Projects
131
BZ Score
$4.8K
Avg Project
-
Projects
135
BZ Score
$8K
Avg Project
-
Projects
Obrien Electrical Contractors Reviews
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Verified License
BuildZoom confirmed this contractor's license
Obrien Electrical Contractors License info
Verified License
| License # | CR25-0810 |
| Status | Active |
| Town | Castle Rock |
| Type | Electrical |
| Date Issued | 10-29-2025 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Obrien Electrical Contractors at the Castle Rock Town, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AEC4935 |
| Status | Active |
| City | Arvada |
| Type | Contractor |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Obrien Electrical Contractors at the The City of Arvada, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AEC3155 |
| Status | Active |
| Town | Parker |
| Type | Contractor |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Obrien Electrical Contractors at the The Town of Parker, Colorado.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 060331071 |
| Status | Active |
| City | Westminster |
| Type | Electrical Contractor |
| Date Issued | 05-14-2026 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Obrien Electrical Contractors at the City of Westminster, Colorado.
This is a sample of licensing data; click here to access a complete history.
License Not Required
| Status | Not Required |
- BuildZoom verified in August, 2020 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.
Inactive License
| License # | E00797 |
| Status | Inactive |
| City | Littleton |
| Type | 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. If this is your business, please update your license status.
Check this license's status for Obrien Electrical Contractors at the The City of Littleton, CO.
This is a sample of licensing data; click here to access a complete history.
Unverified License
| License # | 16-1554 |
| 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.
Inactive License
| Status | Inactive |
| City | Denver |
| Type | Electrical |
- 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. 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 # | ELC7293955 |
| Status | Inactive |
| City | Lafayette |
| Type | Electrical Contractor |
- According to the City of Lafayette, 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 Obrien Electrical Contractors at the City of Lafayette.
This is a sample of licensing data; click here to access a complete history.
107
BuildZoom Score
Insured
| Insurer | Owners Insurance Company |
Insured
| Workers Comp Provider | Pinnacol Assurance |
43
Permits
- Building permit records show that Obrien Electrical Contractors has worked on 43 permitted projects.
Obrien Electrical Contractors Employees
EO
Erin O'brien
Owner
OC
O'brien Electrical Contractors
Owner
OE
O'brien Electrical Contractors E
Owner
RO
Richard O'brien
RO
Richard Obrien
Contact