Updated: May 26, 2026
Location and Projects
Address
8440 N OSCEOLA AVE, Niles, IL, 60714
Use our bidding system to
request a quote
Sigma Electric Inc
Sigma Electric Inc, 8440 N Osceola Ave, Niles, IL (Owned by: Robert Kochanek) holds a Electrical Contractor (General) license and 5 other licenses according to the City of Chicago license board.
Their BuildZoom score of 99 ranks in the top 15% of 65,686 Illinois licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Sigma Electric Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Sigma Electric Inc Contact Information
Phone Number: (773) 350-1170
Edit
Address: 8440 N OSCEOLA AVE, Niles, IL 60714
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
Sigma Electric Inc Niles
Quality
99
85th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Sigma Electric Inc has a BuildZoom score of 99, which places them above 85% of 65,686 contractors in Illinois.
Activity
|
2 projects
|
2025 |
|
5 projects
|
2024 |
|
7 projects
|
2023 |
Our building permit records indicate that Sigma Electric Inc has worked on at least
14.0 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
|
14 projects
|
Electrical projects |
Analyzing permits over the last 4 years shows that Sigma Electric Inc mostly works on
electrical project
projects.
Pricing
|
1 project
|
< $5k |
|
4 projects
|
$5k-$20k |
|
2 projects
|
$50k-$100k |
|
1 project
|
$100k-$250k |
|
1 project
|
$250k-$500k |
The typical size of their permits is approximately $20,000. 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.
Self certified 2019 cbc.erect 2 story with basement frame single family residence front metal stairs 2 car detached garage 6 ft wood fence as per plan
Valuation:
$500,000
Permit #:
101066188
Status:
issued
Fee:
$2,425
Permit Type:
N/A
Building Type:
N/A
Cbc-2019occupancy category rs-2 zoning rm-5interior alteration of an existing two dwelling two story building.new mechanical electrical and plumbing system per plansnew two story rear wood porch
Valuation:
$175,000
Permit #:
101042607
Status:
issued
Fee:
$925
Permit Type:
N/A
Building Type:
N/A
Spr 2019 cbc interior alterations for existing 1 1/2 story brick and frame residence demolish bedroom on 1st floor and relocated in basement renovate basement total demolition of attic interior rebuild two bedrooms and bathroom per plans **certified plans corrections: conditional permit subject to field inspections **
Valuation:
$20,000
Permit #:
101045777
Status:
complete
Fee:
$1,875
Permit Type:
N/A
Building Type:
N/A
Spr 2019 cbc:erect 2 story with basement frame single family residence with roof top deck pergola on roof top deck stair enclosure front stairs & new 2 car detached garage as per plan
Valuation:
$400,000
Permit #:
100977980
Status:
complete
Fee:
$3,515
Permit Type:
N/A
Building Type:
N/A
Spr 2019 cbrc: interior alterations to existing condominium unit 111 as per plans. (occupancy group r2; type iia constrcution)
Valuation:
$435,000
Permit #:
101034104
Status:
suspended
Fee:
$625
Permit Type:
N/A
Building Type:
N/A
Spr 2019 cbc convert existing 1du & commercial into 2 dwelling units erect 2nd floor addition and interior remodeling as per plan
Valuation:
$300,000
Permit #:
100949825
Status:
expired
Fee:
$2,701
Permit Type:
N/A
Building Type:
N/A
New 200-amp 1ph oh service w/disconnect outside. new 200-amp 1ph panel w 40 positions breaker
Valuation:
N/A
Permit #:
25ELEC-0011
Status:
issued
Fee:
$170
Permit Type:
N/A
Building Type:
N/A
Proposed 2nd story rear additon 3 story east side addition w/basement 2 attic dormers w/rooftop deck and 2nd floor deck at existing 2 story single family residence w/basement per plans
Valuation:
$200,000
Permit #:
100884627
Status:
expired
Fee:
$1,125
Permit Type:
N/A
Building Type:
N/A
New detached wood frame garage. dimensions and setbacks per application. building outside dimensions: 20'-0 x28'-0 . hip roof height to peak: 12'-0
Valuation:
$15,000
Permit #:
B200020814
Status:
issued
Fee:
$575
Permit Type:
Detached frame ga...
Building Type:
N/A
Self cert 2019 cbc: initial interior building out on first floor for restaurant (occupancy b construction type ii-b
Valuation:
$250,000
Permit #:
100922474
Status:
complete
Fee:
$1,575
Permit Type:
N/A
Building Type:
N/A
Internor renovations for an existing 2 story/2 unit residence per plans. permit #101031699 to address non-conforming front porch/rear decks
Valuation:
$80,000
Permit #:
101023297
Status:
complete
Fee:
$600
Permit Type:
N/A
Building Type:
N/A
Self cert: interior alterations to ground level vacant space. alteration to include mezzanine level ****structural peer review****e business
Valuation:
$500,000
Permit #:
100865235
Status:
complete
Fee:
$1,150
Permit Type:
N/A
Building Type:
N/A
Kitchen renovation and partial addition to owner's 2-story single-family home of 3-b construction
Valuation:
$80,000
Permit #:
101056693
Status:
issued
Fee:
$1,036
Permit Type:
N/A
Building Type:
N/A
Residence alterations/remodling (no new sq ftg)
Valuation:
$175,000
Permit #:
21-00004995|RAL00
Status:
applied
Fee:
N/A
Permit Type:
Room alteration
Building Type:
N/A
New 200-amp 1ph 120/240v oh service. replace outlets to gfci's. new smoke detector and carbon monoxide detectors
Valuation:
$4,000
Permit #:
B101054831
Status:
issued
Fee:
$75
Permit Type:
Electrical work
Building Type:
N/A
**electrical only permit****electrical only permit**new 400 amp 3 ph overhead service
Valuation:
$12,000
Permit #:
B101001289
Status:
complete
Fee:
$600
Permit Type:
Electrical work
Building Type:
N/A
Remodel – interior commercial – for commercial projects and residential buildings with 3 or more uni
2023-05-01
Interior remodel of existing space for buffalo wild wings go
Valuation:
N/A
Permit #:
22INTC-0283
Status:
complete
Fee:
$8,583
Permit Type:
N/A
Building Type:
N/A
Interior kitchen and basement renovation of an attached single family residence in a 2 dwelling unit 3 story frame building with basement. narrow 5 on rear west elevation and remove kitchen window on north elevation patch window opening with siding to match existing siding
Valuation:
N/A
Permit #:
18INTR-0248
Status:
issued
Fee:
$2,038
Permit Type:
N/A
Building Type:
N/A
Garage
Valuation:
$15,000
Permit #:
101019223
Status:
issued
Fee:
$550
Permit Type:
N/A
Building Type:
N/A
Change electrical contractor from t&d electrical llc to sigma electric for permit #100855179
Valuation:
N/A
Permit #:
B100877092
Status:
complete
Fee:
$75
Permit Type:
Administrative ch...
Building Type:
N/A
Similar Contractors See more
140
BZ Score
$7.5K
Avg Project
-
Projects
129
BZ Score
$2.6K
Avg Project
-
Projects
License # MC5635
Barrington, IL
125
BZ Score
$2M
Avg Project
-
Projects
Sigma Electric Inc Reviews
BuildZoom hasn't received any reviews for Sigma Electric Inc. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Let us find you an electrician in your area today
We'll search our vast network of Electricians and connect
you with one that meets your needs today.
Verified License
BuildZoom confirmed this contractor's license
Sigma Electric Inc License info
Verified License
| License # | ECC95598 |
| Status | Active |
| City | City Of Chicago |
| Type | Electrical Contractor (General) |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Sigma Electric Inc at the City of Chicago Data Portal.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| County | Cook County |
| Type | Electrical |
- According to the Cook County Department of Building and Zoning, 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 # | 201903139 |
| Status | Inactive |
| City | Oak Park |
| Type | Contractor |
- According to the Village of Oak Park, 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 Sigma Electric Inc at the Village of Oak Park.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | City Of Chicago |
| Type | General |
- According to the City of Chicago Data Portal, 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 # | 18LICL-0271 |
| Status | Inactive |
| City | Evanston |
| Type | Electrical |
- According to the City of Evanston Building and Inspection Services, 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 Sigma Electric Inc at the City of Evanston Building and Inspection Services.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Evanston |
| Type | Electrical |
- According to the City of Evanston Building and Inspection Services, 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 Sigma Electric Inc at the City of Evanston Building and Inspection Services.
This is a sample of licensing data; click here to access a complete history.
99
BuildZoom Score
43
Permits
- Building permit records show that Sigma Electric Inc has worked on 43 permitted projects.
Sigma Electric Inc Employees
KJ
Konrad Jozefowicz
RK
Robert Kochanek
Owner