Updated: Nov 16, 2025
Location and Projects
Address
17243 OKETO AVE, Tinley Park, IL, 60477
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Northern Comfort HVAC/Mechanical Contractor
Northern Comfort, (Owned by: William Minnich) holds a Sub Contractor, Hvac license and 4 other licenses according to the Dupage County license board.
Their BuildZoom score of 100 ranks in the top 13% of 65,686 Illinois licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Northern Comfort, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Northern Comfort Contact Information
Phone Number: (708) 372-4859
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Address: 17243 OKETO AVEIL 60477
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Northern Comfort
Quality
100
87th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Northern Comfort has a BuildZoom score of 100, which places them above 87% of 65,686 contractors in Illinois.
Activity
|
5 projects
|
2025 |
|
1 project
|
2024 |
|
3 projects
|
2023 |
|
4 projects
|
2022 |
Our building permit records indicate that Northern Comfort has worked on at least
13.0 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
|
6 projects
|
New Constructions |
Analyzing permits over the last 4 years shows that Northern Comfort mostly works on
new construction
projects.
Pricing
|
1 project
|
$20k-$50k |
|
1 project
|
$50k-$100k |
|
2 projects
|
$100k-$250k |
|
1 project
|
$500k-$1mil |
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-cert 2019 cbrc: new construction (1 385) sq. ft. 3-story type va frame 30 ht single-family residence with roof deck and new (525) sq. ft type va frame detached 2-car garage with roof deck (occupancy group r-5; type va construction)
Valuation:
$924,104
Permit #:
101067755
Status:
issued
Fee:
$4,400
Permit Type:
N/A
Building Type:
N/A
Spr 2019 cbrc - revision to permit #101006844 to deconvert from 6 du to 5 du by renovating and expand existing basement level dwelling unit into existing commercial space in an existing 2 story multi family building. total work at basement level is 887 sf. as per plans (occupancy group r2; type vb construction)**certified corrections subject to field inspections & audit **
Valuation:
$75,000
Permit #:
101053131
Status:
issued
Fee:
$975
Permit Type:
N/A
Building Type:
N/A
Tenant buildout for new laser hair removal salon the existing accessible washroom fixtures to remain provide new wall & floor finishes only in washroom. new plumbing work scope is limited to the installation of a new water heater mop sink & grey box in the storage room; installation of a new vanity sink in laser room 1 as per plans. **certified plans corrections: conditional permit su... see more
Valuation:
$175,000
Permit #:
100949636
Status:
complete
Fee:
$825
Permit Type:
N/A
Building Type:
N/A
Spr 2019 cbrc - new third floor addition and enclosure on 4th floor for access to roof deck and interior remodeling on paritial second floor in existing 2-1/2 story masonry building used as single family residence with full basement and 2 car attached garage
Valuation:
$110,000
Permit #:
100931686
Status:
suspended
Fee:
$825
Permit Type:
N/A
Building Type:
N/A
Spr 2019 cbc with revised april 2022 supplements: renovate basement level space of existing 6 dwelling unit + 1 commercial unit building to remove 2 existing basement level dwelling units and expand existing commercial unit to the entire basement level 887 s.f. of area. (occupancy: b and r2; construction type vb)**certified corrections subject to field inspections & audit **
Valuation:
$30,000
Permit #:
101006844
Status:
issued
Fee:
$1,500
Permit Type:
N/A
Building Type:
N/A
Self-cert: interior alterations and build-out (non-load bearing) of existing commercial space on the second floor suite 225&235. existing mechanical electrical and plumbing systems modifications per plans.proposed use/occupancy to remain the same class e business
Valuation:
$178,000
Permit #:
100839935
Status:
complete
Fee:
$2,746
Permit Type:
N/A
Building Type:
N/A
Self-cert - interior alterations and build-out of existing commercial space suite 200 non-load bearing. modifications to the existing mechanical and electrical systems per plans.proposed use/occupancy to remain the same class e business
Valuation:
$165,000
Permit #:
100837143
Status:
complete
Fee:
$2,881
Permit Type:
N/A
Building Type:
N/A
Renovation of existing 2 story iii-b residence with basement: replace existing rear enclosed frame porch with iii-b addition same size & location. deconvert 2 unit to single family residence. 1 story garage addition
Valuation:
$300,000
Permit #:
100783006
Status:
complete
Fee:
$1,241
Permit Type:
N/A
Building Type:
N/A
Revision to permit # 100851409 for relocation of previously approved roof top units and duct rops as per plans
Valuation:
$75,000
Permit #:
100893416
Status:
complete
Fee:
$808
Permit Type:
N/A
Building Type:
N/A
Renovation of existing 2 story iii-b single family residence with basement: replace existing rear enclosed frame porch with iv-a addition same size & location. convert iii-b structure to iv-a. new 1 story basement level addition
Valuation:
$50,000
Permit #:
100797568
Status:
complete
Fee:
$1,083
Permit Type:
N/A
Building Type:
N/A
Install furnaces in 8 residential units. install related electrical and plumbing for furnaces. install exit lights and emergency lights in 4 common stairways and basement areas. install smoke and co detectors throughout
Valuation:
$40,000
Permit #:
100801673
Status:
complete
Fee:
$1,050
Permit Type:
N/A
Building Type:
N/A
Doors (replacement only): qty 17 furnace (replacement only): qty 1 hot water heater (replacement only): qty 1
Valuation:
$50,000
Permit #:
100916012
Status:
issued
Fee:
$775
Permit Type:
N/A
Building Type:
N/A
Self cert revision to permit #100797568 to revise structural steel at rear iv-a frame addition for existing 2 story single family residence with basement. new deck to connect residence to garage
Valuation:
$5,000
Permit #:
100860495
Status:
complete
Fee:
$1,221
Permit Type:
N/A
Building Type:
N/A
Single family residence with 3 car garage
Valuation:
N/A
Permit #:
2201764
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Matthuis- singlr family residence
Valuation:
N/A
Permit #:
2102834
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Alterations to an existing 3 story and basement single family row house
Valuation:
$550,000
Permit #:
100782990
Status:
complete
Fee:
$1,236
Permit Type:
N/A
Building Type:
N/A
Single family residence (3 car garage)
Valuation:
N/A
Permit #:
1702760
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition ot existing house
Valuation:
N/A
Permit #:
2401579
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
Johnson residence
Valuation:
N/A
Permit #:
2302592
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Mckenna residence
Valuation:
N/A
Permit #:
2300679
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Northern Comfort Reviews
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Verified License
BuildZoom confirmed this contractor's license
Northern Comfort License info
Verified License
| License # | CR0004475 |
| Status | Active |
| County | Dupage County |
| Type | Sub Contractor, Hvac |
- BuildZoom verified this license was active as of November 2025.
Verify this license's status for Northern Comfort at the County of Dupage Contractor Registration Information.
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 Northern Comfort 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 # | CL-16-21674 |
| Status | Active |
| Town | Orland Park |
| Type | Heating Vent & A/C Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2015. Check the current license status of Northern Comfort with the Village of Orland Park Contractor License
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | CL-15-21674 |
| Status | Active |
| Town | Orland Park |
| Type | Heating Vent & A/C Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2015. Check the current license status of Northern Comfort with the Village of Orland Park Contractor License
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CL-19-21674 |
| 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 Northern Comfort at the Village of Orland Park Contractor License.
This is a sample of licensing data; click here to access a complete history.
100
BuildZoom Score
48
Permits
- Building permit records show that Northern Comfort has worked on 48 permitted projects.
Northern Comfort Employees
WM
William Minnich
Owner