Updated: Jun 02, 2026
Location and Projects
Address
5N359 Fairway LN, Itasca, IL, 60143
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Custom Air Systems HVAC/Mechanical Contractor
Custom Air Systems Inc, 5 N359 Fairway Ln, Itasca, IL (Owned by: James M. Elliott) holds a Mechanical/Hvac Contractor Registration license and 10 other licenses according to the Palatine license board.
Their BuildZoom score of 102 ranks in the top 11% of 65,686 Illinois licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Custom Air Systems Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Custom Air Systems Inc Contact Information
Phone Number: (630) 250-9628
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Address: 5N359 Fairway LN, Itasca, IL 60143
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Custom Air Systems Inc Itasca
Quality
102
89th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Custom Air Systems Inc has a BuildZoom score of 102, which places them above 89% of 65,686 contractors in Illinois.
Activity
|
2 projects
|
2025 |
|
8 projects
|
2024 |
|
6 projects
|
2023 |
Our building permit records indicate that Custom Air Systems Inc has worked on at least
16.0 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
|
9 projects
|
Commercial Renovations |
|
16 projects
|
HVAC projects |
Analyzing permits over the last 4 years shows that Custom Air Systems Inc mostly works on
hvac project
and commercial renovation
projects.
Pricing
|
1 project
|
$5k-$20k |
|
3 projects
|
$50k-$100k |
|
7 projects
|
$100k-$250k |
|
2 projects
|
$500k-$1mil |
|
1 project
|
$1mil+ |
The typical size of their permits is approximately $180,200. 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 Custom Air Systems Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Interior build-out of an 1552 sq ft business with fewer than 50 occupants inside an existing retail building. doing business as tropical smoothie cafe. scope of work includes architectural mechanical electrical and plumbing work. no changes to structure or exterior
Valuation:
$150,000
Permit #:
101063249
Status:
complete
Fee:
$975
Permit Type:
N/A
Building Type:
N/A
Self-certified interior fitout for veterinary use business occupancy. previous educational use or retail occupancy e or m. new veterinary suite layout with new finishes and mep distribution from existing mep systems
Valuation:
$500,000
Permit #:
101039267
Status:
suspended
Fee:
$1,074
Permit Type:
N/A
Building Type:
N/A
Self-cert 2029 cbrc : tenant build-out of 672 sq ft. wing stop restaurant and walk-in cooler. occupancy group b; type iib construction
Valuation:
$200,000
Permit #:
101058235
Status:
issued
Fee:
$1,825
Permit Type:
N/A
Building Type:
N/A
Self-cert 2019 cbrc: internal remodeling to convert existing 1st floor medical service space in a 2 story mixed use building to a veterinary service per plans
Valuation:
$750,000
Permit #:
101048068
Status:
suspended
Fee:
$1,243
Permit Type:
N/A
Building Type:
N/A
Interior build-out of a 1100 sq ft business with fewer than 50 occupants doing business as tropical smoothie café. scope of work includes architectural mechanical electrical and plumbing work. no changes to structure or exterior
Valuation:
$150,000
Permit #:
101060322
Status:
complete
Fee:
$925
Permit Type:
N/A
Building Type:
N/A
Self certified interior fit out of existing 2 850 square foottenant space in existing commercial strip mall for a veterinary use. new mep distribution
Valuation:
$520,000
Permit #:
101053056
Status:
complete
Fee:
$1,130
Permit Type:
N/A
Building Type:
N/A
Self-certified renovation of existing veterinary use and business occupancy at 1166 milwaukee. modifications to partial layout mep existing systems in existing veterinary use and business occupancy. tied to adjacent fitout permit # 101039267 for 1164 milwaukee
Valuation:
$100,000
Permit #:
101039272
Status:
phased permitting
Fee:
$925
Permit Type:
N/A
Building Type:
N/A
Self cert permit for interior remodel of portion of existing veterinary clinic within 4-story mixed-use building. remodeling includes 2 exam rooms 1 reception 1 waiting 1 treatment 1 tech space and 1 storage room per plans
Valuation:
$160,400
Permit #:
101042075
Status:
complete
Fee:
$1,262
Permit Type:
N/A
Building Type:
N/A
Self-certified 2019 cbrc: interior fitout for ground floor veterinary clinic including new layout and finishes new mep distribution from existing services erect new demising wall per plans. b occ type iib const
Valuation:
$450,000
Permit #:
100970900
Status:
complete
Fee:
$3,075
Permit Type:
N/A
Building Type:
N/A
Sc 2019 cbc: interior build-out for an existing ground floor space and basement per plans. mechanical electrical and plumbing work will be included. b occ
Valuation:
$241,375
Permit #:
101001611
Status:
complete
Fee:
$1,675
Permit Type:
N/A
Building Type:
N/A
Self-certification submittal for interior veterinary fit out and exterior cladding updates to existing building
Valuation:
$8,000,000
Permit #:
101047186
Status:
complete
Fee:
$1,167
Permit Type:
N/A
Building Type:
N/A
Self certified 2019 cbrc: interior fitout to existing demised space with existing mep services new vet clinic. new interior layout new mep distribution per plans. b occ
Valuation:
$450,000
Permit #:
100973609
Status:
expired
Fee:
$1,492
Permit Type:
N/A
Building Type:
N/A
Self-certified submital for a remodel to existing basement space and existing main level space in existing multi-level animal hospital
Valuation:
$200,000
Permit #:
101051251
Status:
issued
Fee:
$925
Permit Type:
N/A
Building Type:
N/A
Self-cert - interior fitout to existing suite for new veterinary clinic. reuse existing plumbing electrical hvac. 1 new hvac unit
Valuation:
$600,000
Permit #:
100994657
Status:
complete
Fee:
$1,214
Permit Type:
N/A
Building Type:
N/A
Self-certification project. first floor tenant remodel/build-out of 1 950 square feet business use tenant space into a new business use medspa clinic. scope of work includes architectural hvac plumbing electrical and fire protection. no new parking
Valuation:
$200,000
Permit #:
100939353
Status:
complete
Fee:
$825
Permit Type:
N/A
Building Type:
N/A
Interior demolition renovation & conversion from an existing 2 flat multi family residence to single family residence with scope to include architectural hvac plumbing & electrical. rs-3 zoning permits the use of 2 flat multi-family or single family residences
Valuation:
$180,000
Permit #:
100902909
Status:
expired
Fee:
$684
Permit Type:
N/A
Building Type:
N/A
Interior buildout of an existing tenant space for ground floor and basement
Valuation:
$237,745
Permit #:
101002736
Status:
complete
Fee:
$1,360
Permit Type:
N/A
Building Type:
N/A
Self-certified project 2019 cbrc - current proposed use/occ. is business (veterinary clinic). the clinic is expanding into the neighboring space that was previously a bar on the first floor. the entire area of the veterinary clinic remodel/alteration will now be 5248 s.f. the scope of work includes architectural hvac plumbing and electrical. no parking is required per 17-10-0102-e
Valuation:
$550,000
Permit #:
100893627
Status:
complete
Fee:
$1,676
Permit Type:
N/A
Building Type:
N/A
Self certified project - current use/occupancy is vacant and the proposed use/occupancy is e business (veterinary clinic). project includes building out of first floor unit a and b including 2 250 s.f. for a veterinary clinic. scope of work includes architectural hvac plumbing and electrical. no parking required per 17-3-0504-e off street parking requirements for lots abutting pedestr... see more
Valuation:
$300,000
Permit #:
100862871
Status:
complete
Fee:
$825
Permit Type:
N/A
Building Type:
N/A
Self certified project - current use/occupancy is e business and the proposed use/occupancy is e business (veterinary clinic). project includes building out of unit 7001 and 7003 of 2 578 s.f. for a veterinary clinic. scope of work includes architectural hvac plumbing and electrical. no new parking
Valuation:
$338,000
Permit #:
100855319
Status:
complete
Fee:
$1,648
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Custom Air Systems Inc License info
Verified License
| License # | CON-005736-2023 |
| Status | Active |
| Town | Palatine |
| Type | Mechanical/Hvac Contractor Registration |
| Class | Mechanical/HVAC |
| Date Issued | 04-28-2026 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Custom Air Systems Inc at the Village of Palatine Registered Contractors.
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 Custom Air Systems 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 # | CL-16-20265 |
| 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 Custom Air Systems Inc 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 # | 04-00010984 |
| Status | Active |
| City | Aurora |
| Type | General Contractor |
- When BuildZoom last verified this license, it had an expiration date of August, 2005. Check the current license status of Custom Air Systems 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 # | 12-00019198 |
| Status | Active |
| City | Aurora |
| Type | Heating Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2013. Check the current license status of Custom Air Systems 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 # | CL-15-20265 |
| 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 Custom Air Systems Inc 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 # | CR5830 |
| Status | Inactive |
| County | Dupage County |
| Type | Hvac |
- 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 Custom Air Systems 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 # | CR5830 |
| Status | Inactive |
| County | Dupage County |
| Type | Sub Contractor, Hvac |
- 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 Custom Air Systems 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 # | 1541549 |
| Status | Inactive |
| City | Milwaukee |
| Type | Hvac Contractor |
- According to the City of Milwaukee License Search, 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 Custom Air Systems Inc at the City of Milwaukee License Search.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CL-1009 |
| Status | Inactive |
| Town | Bartlett |
| Type | {U'license Type': U'heating/Air Conditioning'} |
- According to the Contractors Licensed in Bartlett, 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 Custom Air Systems Inc at the Contractors Licensed in Bartlett.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 09LICH-0617 |
| 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 Custom Air Systems Inc at the City of Evanston Building and Inspection Services.
This is a sample of licensing data; click here to access a complete history.
102
BuildZoom Score
277
Permits
- Building permit records show that Custom Air Systems Inc has worked on 277 permitted projects.
Custom Air Systems Inc Employees
JE
James Elliott
JE
James M. Elliott
Owner