Updated: Jul 13, 2026
Location and Projects
Address
961 S. Route 83, Elmhurst, IL, 60126
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Oak Brook Electric Inc
Oak Brook Electric Inc, 961 S Route, Elmhurst, IL (Owned by: Mark Sullivan) holds a Mechanical/Hvac Contractor Registration license and 20 other licenses according to the Palatine 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 Oak Brook Electric Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Oak Brook Electric Inc Contact Information
Phone Number: (630) 691-1121
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Address: 961 S. Route 83, Elmhurst, IL 60126
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Oak Brook Electric Inc Elmhurst
Quality
99
85th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Oak Brook Electric Inc has a BuildZoom score of 99, which places them above 85% of 65,686 contractors in Illinois.
Activity
|
2 projects
|
2025 |
|
3 projects
|
2024 |
|
6 projects
|
2023 |
Our building permit records indicate that Oak Brook Electric Inc has worked on at least
11.0 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
|
4 projects
|
Electrical projects |
Analyzing permits over the last 4 years shows that Oak Brook Electric Inc mostly works on
electrical project
projects.
Pricing
|
1 project
|
$20k-$50k |
|
1 project
|
$50k-$100k |
|
2 projects
|
$100k-$250k |
|
2 projects
|
$250k-$500k |
|
1 project
|
$500k-$1mil |
The typical size of their permits is approximately $166,386. 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 Oak Brook Electric Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Ductwork extension/reconfiguration repair/replacement affecting 2 systems : 4 exhaust fan(two (2) loren cook - 270 cps and two (2) loren cook - 365 cps) 2 other air handling equipment(armstrong series 4600 8x6x10h split case basement chiller room). electrical work under this permit = yes. locations: 2 residential unit(s) 1 non-residential unit(s) east and west penthouse and basement c... see more
Valuation:
$440,000
Permit #:
B200411255
Status:
issued
Fee:
$700
Permit Type:
Mechanical work
Building Type:
N/A
Repair/replacement affecting 1 systems : 8 exhaust fan(pennbarry - fx30b - roof area). electrical work under this permit = no. locations: 0 residential unit(s) 1 non-residential unit(s) exterior work replace 8 exhaust fans on roof
Valuation:
$166,386
Permit #:
B200416441
Status:
issued
Fee:
$100
Permit Type:
Mechanical work
Building Type:
N/A
Repair/replacement affecting 1 systems : 1 vrf zone fan unit(daikin fbq48tbvju below entrance lobby) 1 vrf zone fan unit(daikn rzq48tbvjua north reciving area) 1 vrf zone fan unit(daikin fxsq18tavju below south lobby) 1 vrf zone fan unit(daikin rxtq60tbvjua north recieving area) 1 vrf zone fan unit(daikin fxsq12tavju below manager s office) 1 vrf zone fan unit(daikin fxzq12tbvju recei... see more
Valuation:
$464,800
Permit #:
B200006963
Status:
complete
Fee:
$175
Permit Type:
Mechanical work
Building Type:
N/A
Repair/replacement affecting 2 systems : 2 fan coil unit(carrier 24sca460n003 2 units on penthouse roof.) 1 unit heater(unit heater 111 - garage basement) 1 unit heater(unit heater 214 - 1st floor garage) 1 blower coil unit(2nd floor east garage) 1 unit heater(suh 4 mondine hsb/hc 258 garage basement east) 2 unit heater(suh 5&6 - modine hsb/hc 258 & hsb/hc 121 1st floor east garage) 1... see more
Valuation:
$260,000
Permit #:
B200003276
Status:
issued
Fee:
$1,825
Permit Type:
Mechanical work
Building Type:
N/A
[plumbing permit] existing riser replacement (2-zones) as per plans. remove and replace deteriorated plumbing piping and equipment throughout the existing multi-residential building. create and patch openings in walls and ceilings for access to piping
Valuation:
$5,000,000
Permit #:
100956202
Status:
complete
Fee:
$4,250
Permit Type:
N/A
Building Type:
N/A
Self-cert 2019 cbrc: existing 1-story building - construction type iv-a (under old chicago code). interior alteration renovation approximately 2 110 sf of existing administrative computer lab and offices into student classrooms and lab simulation rooms. no change in occupancy and use
Valuation:
$65,000
Permit #:
101044779
Status:
suspended
Fee:
$1,775
Permit Type:
N/A
Building Type:
N/A
Repair/replacement affecting 1 systems : 1 heat exchanger(alfa laval t10bdcfg calculated heat loss (btu/hour) 754 400 rated output (btu) 468 000. pool mechanical room). electrical work under this permit = no. locations: 0 residential unit(s) 1 non-residential unit(s) pool mechanical room serving pool
Valuation:
$110,000
Permit #:
B200004710
Status:
complete
Fee:
$100
Permit Type:
Mechanical work
Building Type:
N/A
Repair/replacement affecting 1 systems : 1 rooftop packaged unit(york av20n3cp2e1aaa11a2 on roof). electrical work under this permit = no. locations: 0 residential unit(s) 1 non-residential unit(s) exterior work north end of roof
Valuation:
$28,730
Permit #:
B200006882
Status:
issued
Fee:
$100
Permit Type:
Mechanical work
Building Type:
N/A
Chiller replacement and temporary driveway for installation of a wmc chiller at century tower. replace of the existing carrier chiller with a daikin 401 ton chiller self contained water cooled r134a located in the northwest corner garage
Valuation:
N/A
Permit #:
101008955
Status:
issued
Fee:
$300
Permit Type:
N/A
Building Type:
N/A
Self-cert permit for interior tenant building out of 3rd floor medical service medical office space. work includes 14 treatment rooms reception waiting. office conference activity room break room and class room per plans
Valuation:
$100,000
Permit #:
101034985
Status:
suspended
Fee:
$2,607
Permit Type:
N/A
Building Type:
N/A
Replace water heaters with same kind in floors(20)(8pcs@250gal) and(57)(2 pcs @ 350gal) to include piping
Valuation:
$638,187
Permit #:
101007397
Status:
issued
Fee:
$1,050
Permit Type:
N/A
Building Type:
N/A
Suite 2400 self-cert permit for interior alterations to existing single tenant office space. work includes enlargement of break area new coffee bar with sink 2 private offices removal of ceiling grid in office area
Valuation:
$100,000
Permit #:
100975861
Status:
expired
Fee:
$2,219
Permit Type:
N/A
Building Type:
N/A
Self cert permit for interior building out of former chiropractic office to new non-ambulatory dental office. work includes waiting room 4 operatories 3 offices strilization lab break room it closet and mechanical closet per plans
Valuation:
$50,000
Permit #:
100942923
Status:
complete
Fee:
$825
Permit Type:
N/A
Building Type:
N/A
Self cert: interior improvements of approximately 2 880 sq ft on 13 floors of the existing class a-2 multiple dwellings of 171 w. oakstreet. this work will include demolition and replacement of (48) existing fan coil units associated piping and architectural work. no change in use
Valuation:
$1,100,000
Permit #:
100812852
Status:
complete
Fee:
$2,075
Permit Type:
N/A
Building Type:
N/A
Replace four water cooled condensing units with four 5 ton air cooled remote lg condensing units located at grade and serving the common areas of the building
Valuation:
N/A
Permit #:
100970670
Status:
issued
Fee:
$1,200
Permit Type:
N/A
Building Type:
N/A
Replace one cooling tower with one 1000 ton water cooled self-contained two cell bac cooling tower located on the roof and serving a condo building
Valuation:
N/A
Permit #:
100955741
Status:
issued
Fee:
$600
Permit Type:
N/A
Building Type:
N/A
Interior renovation of a 1040 sf amenity space located in mezzanine level of mid-rise residential tower. modifications to bathroom and kitchen as well a new partition wall to create two new rooms
Valuation:
$50,000
Permit #:
100832192
Status:
complete
Fee:
$827
Permit Type:
N/A
Building Type:
N/A
Replace 5 ton carrier unit in west elevator equipment room and 12 ton carrier unit in east elevator equipment room with new carrier units same size and location
Valuation:
N/A
Permit #:
100875393
Status:
issued
Fee:
$600
Permit Type:
N/A
Building Type:
N/A
Replace two rooftop units with two 40 ton air cooled self-contained r410a carrier rooftop units serving office space
Valuation:
N/A
Permit #:
100953233
Status:
issued
Fee:
$600
Permit Type:
N/A
Building Type:
N/A
Replace one mcquay chiller with one 300 ton water cooled self-contained r134a(740#) arctic cool centrifugal chiller serving a multi dwelling unit building. replace associated piping and bring the machine room up to code. contact clement gavin(312)743-3562 to schedule an inspection upon completion
Valuation:
N/A
Permit #:
100744575
Status:
issued
Fee:
$300
Permit Type:
N/A
Building Type:
N/A
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Oak Brook Electric Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
Oak Brook Electric Inc License info
Verified License
| License # | CON-009699-2026 |
| Status | Active |
| Town | Palatine |
| Type | Mechanical/Hvac Contractor Registration |
| Class | Mechanical/HVAC |
| Date Issued | 06-01-2026 |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Oak Brook Electric Inc at the Village of Palatine Registered Contractors.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | TGC029723 |
| Status | Active |
| City | City Of Chicago |
| Type | General Contractor (Class E) |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Oak Brook Electric Inc at the City of Chicago Data Portal.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 201702619 |
| Status | Active |
| City | Oak Park |
| Type | Contractor |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Oak Brook Electric Inc at the Village of Oak Park.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| County | Cook County |
| Type | Hvac |
| Date Issued | 01-13-2026 |
- BuildZoom verified this license was active as of July 2026.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| Town | Palatine |
| Type | Hvac |
- When BuildZoom last verified this license, it had an expiration date of December, 2021. Check the current license status of Oak Brook Electric Inc with the Village of Palatine Registered Contractors
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 05-00001489 |
| Status | Active |
| City | Aurora |
| Type | Elec(Com) Contractor |
- When BuildZoom last verified this license, it had an expiration date of November, 2010. Check the current license status of Oak Brook Electric Inc with the The City of Aurora, IL
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 13-00004845 |
| Status | Active |
| City | Aurora |
| Type | Heating Contractor |
- When BuildZoom last verified this license, it had an expiration date of March, 2014. Check the current license status of Oak Brook Electric Inc with the The City of Aurora, IL
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | CR00886 |
| Status | Active |
| County | Dupage County |
| Type | Sub Contractor (Per Trade) |
- When BuildZoom last verified this license, it had an expiration date of December, 2008. Check the current license status of Oak Brook Electric Inc with the County of DuPage
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | L-2014-131 |
| Status | Active |
| County | Kankakee County |
| Type | Hvac |
- When BuildZoom last verified this license, it had an expiration date of April, 2015. Check the current license status of Oak Brook Electric Inc with the Kankakee County Planning Department
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 2008-CR00886 |
| Status | Active |
| County | Dupage County |
| Type | Sub Contractor (Per Trade) |
- When BuildZoom last verified this license, it had an expiration date of September, 2014. Check the current license status of Oak Brook Electric Inc with the County of DuPage
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CR00886 |
| Status | Inactive |
| County | Dupage County |
| Type | Mechanical Piping |
- According to the County of Dupage Contractor Registration Information, 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 Oak Brook Electric Inc at the County of Dupage Contractor Registration Information.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 15LICH-0038 |
| Status | Inactive |
| City | Evanston |
| Type | Hvac |
- 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 Oak Brook 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
| License # | CR00886 |
| Status | Inactive |
| County | Dupage County |
| Type | Sub Contractor, Mechanical Piping |
- According to the County of Dupage Contractor Registration Information, 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 Oak Brook Electric Inc at the County of Dupage Contractor Registration Information.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CL-24-27120 |
| Status | Inactive |
| Town | Orland Park |
| Type | Hvac/Mechanical Contractor |
- According to the Village of Orland Park Contractor License, 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 Oak Brook Electric Inc at the Village of Orland Park Contractor License.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| County | Cook County |
| Type | Other |
- 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 # | 15LICH-0038 |
| Status | Inactive |
| City | Evanston |
| Type | Hvac |
- 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 Oak Brook 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
| License # | CL-20-27120 |
| Status | Inactive |
| Town | Orland Park |
| Type | Hvac/Mechanical Contractor |
- According to the Village of Orland Park Contractor License, 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 Oak Brook Electric Inc at the Village of Orland Park Contractor License.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NAT-71259-3 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
- According to the United States Environmental Protection Agency, 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 Oak Brook Electric Inc at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CL003244 |
| 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 Oak Brook Electric Inc at the Village of Oak Park.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NAT-71259-2 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
- According to the United States Environmental Protection Agency, 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 Oak Brook Electric Inc at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | City Of Chicago |
| Type | E $500,000 Project Ceiling |
- 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.
99
BuildZoom Score
192
Permits
- Building permit records show that Oak Brook Electric Inc has worked on 192 permitted projects.
Oak Brook Electric Inc Employees
MS
Mark Sullivan
Owner