Updated: Jul 07, 2026
Location and Projects
Address
21020 N RAND RD RAND 12 CENTER, Lake Zurich, IL, 60047
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Custom Contracting Ltd Construction
Custom Contracting Ltd, based in Lake Zurich, Illinois, draws on nearly forty years of construction experience to deliver innovative building solutions in the Chicago area. Guided by cofounder Leon LaJeunesse, the company serves clients seeking environments that foster wellbeing, support, and progress for occupants and building owners alike. Custom Contracting specializes in collaborative project delivery, aligning construction practices with the specialized needs of commercial and institutional clients. The firm is committed to sustainable construction, integrating environmentally friendly materials and building practices into its projects. By adhering to industry best practices and keeping pace with evolving technologies and regulations, Custom Contracting works to minimize project risk and ensure regulatory compliance. The company emphasizes active communication across project teams and partners to meet client goals and industry standards.
Custom Contracting Ltd Services
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Custom Contracting Ltd Contact Information
Phone Number: (224) 358-2189
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Address: 21020 N RAND RD RAND 12 CENTER, Lake Zurich, IL 60047
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Custom Contracting Ltd Lake Zurich
Quality
102
89th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Custom Contracting Ltd has a BuildZoom score of 102, which places them above 89% of 65,686 contractors in Illinois.
Activity
|
2 projects
|
2025 |
|
4 projects
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that Custom Contracting Ltd has worked on at least
8.0 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.
Pricing
|
1 project
|
< $5k |
|
1 project
|
$100k-$250k |
|
2 projects
|
$250k-$500k |
|
1 project
|
$500k-$1mil |
|
1 project
|
$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.
Building Permits by Custom Contracting Ltd
This is a sample of this contractor's permits. Click here to access their complete permit history.
Self-cert: renovation to existing ground floor medical office space as per plans. work to include four new exam rooms reconfiguration of the reception desk and support spaces as per plans. no change in use. i-a construction; b-business occupancy
Valuation:
$500,000
Permit #:
101025096
Status:
complete
Fee:
$875
Permit Type:
N/A
Building Type:
N/A
Self cert cbrc 2019: interior renovation of ground floor central medical and surgical supply storage room as per plans. i-2 occupancy; ia construction
Valuation:
$323,645
Permit #:
101074710
Status:
issued
Fee:
$1,825
Permit Type:
N/A
Building Type:
N/A
Self cert 2019 cbrc: interior alterations in existing building on the first floor to remove and replace the ct scanner as per plans (occupancy group b; type 1a construction)
Valuation:
$300,000
Permit #:
101040834
Status:
suspended
Fee:
$925
Permit Type:
N/A
Building Type:
N/A
Plumbing line repair
Valuation:
$1,500,000
Permit #:
NRB-091193-2025
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Self-cert 2019 cbrc: interior alterations to ground floor cath lab of existing hospital. work to include replacement of medical equipment (i-2 occupancy ia construction)
Valuation:
$229,000
Permit #:
101062277
Status:
complete
Fee:
$1,775
Permit Type:
N/A
Building Type:
N/A
Dish machine replacement
Valuation:
$568,000
Permit #:
NRB-081940-2024
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Commercial remodel - hph surgery offices conversion of 2nd floor unused space
Valuation:
$182,000
Permit #:
BCIH-22-01550
Status:
final
Fee:
$2,320
Permit Type:
N/A
Building Type:
N/A
Seasonal wall & roof system with openings for wheelchair access - northshore ambulatory care center b&f awning invoice #55576
Valuation:
$40,000
Permit #:
BREV-21-01179
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Seasonal wall & roof system with openings for wheelchair access - northshore ambulatory care center
Valuation:
$40,000
Permit #:
BCIH-21-01474
Status:
final
Fee:
$768
Permit Type:
N/A
Building Type:
N/A
Commercial remodel - h.p. hospital cardiac unit b&f #1117894
Valuation:
$291,881
Permit #:
BREV-18-00782
Status:
final
Fee:
$1,339
Permit Type:
N/A
Building Type:
N/A
Commercial remodel - h.p. hospital cardiac unit
Valuation:
$291,881
Permit #:
BCIH-18-01300
Status:
final
Fee:
$3,294
Permit Type:
N/A
Building Type:
N/A
Reinstatement of permit no 100828049 must begin work and or request inspections no later than 09.17.2024
Valuation:
$1
Permit #:
101058437
Status:
issued
Fee:
$900
Permit Type:
N/A
Building Type:
N/A
Pd#50 interior alterations to 1st floor immc pharmacy mechanical with piping at lower level through 2nd floor
Valuation:
$100,000
Permit #:
100827725
Status:
complete
Fee:
$575
Permit Type:
N/A
Building Type:
N/A
Commercial remodel - h.p. hospital cardiac unit
Valuation:
$291,881
Permit #:
BCIH-18-01300
Status:
final
Fee:
$3,294
Permit Type:
N/A
Building Type:
N/A
Interior renovation
Valuation:
$243,163
Permit #:
MU5050
Status:
complete
Fee:
$2,632
Permit Type:
N/A
Building Type:
N/A
Commercial remodel - h.p. hospital cardiac unit b&f #1117894
Valuation:
$291,881
Permit #:
BREV-18-00782
Status:
final
Fee:
$1,339
Permit Type:
N/A
Building Type:
N/A
Remodel – interior commercial – for commercial projects and residential buildings with 3 or more uni
2024-10-07
Remodel suite 765 pediatrics
Valuation:
N/A
Permit #:
24INTC-0354
Status:
issued
Fee:
$6,695
Permit Type:
N/A
Building Type:
N/A
Pd # 50 interior renovations to replace existing water heater with associated piping per plans
Valuation:
$25,000
Permit #:
100762563
Status:
complete
Fee:
$825
Permit Type:
N/A
Building Type:
N/A
Remove and replace sink same as existing
Valuation:
$2,000
Permit #:
100799912
Status:
issued
Fee:
$275
Permit Type:
N/A
Building Type:
N/A
: basement finish w powder room replace furnace
Valuation:
N/A
Permit #:
17-2069-BASE
Status:
final
Fee:
$878
Permit Type:
N/A
Building Type:
Building use group
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BZ Score
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Avg Project
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Projects
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BZ Score
$50K
Avg Project
-
Projects
142
BZ Score
$3.5K
Avg Project
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Projects
Custom Contracting Ltd Reviews
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Verified License
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Custom Contracting Ltd License info
Verified License
| License # | TGC023373 |
| Status | Active |
| City | City Of Chicago |
| Type | General Contractor (Class C) |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Custom Contracting Ltd at the City of Chicago Data Portal.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| County | Cook County |
| Type | Carpentry |
| Date Issued | 01-07-2026 |
- BuildZoom verified this license was active as of July 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| County | Cook County |
| Type | Drywall |
| Date Issued | 01-07-2026 |
- BuildZoom verified this license was active as of July 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| County | Cook County |
| Type | General With Trades |
| Date Issued | 01-07-2026 |
- BuildZoom verified this license was active as of July 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 09LICC-0324 |
| Status | Active |
| City | Evanston |
| Type | Gc Commercial |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Custom Contracting Ltd at the City of Evanston Building and Inspection Services.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 08-00008100 |
| Status | Active |
| City | Aurora |
| Type | General Contractor |
- When BuildZoom last verified this license, it had an expiration date of July, 2016. Check the current license status of Custom Contracting Ltd with the The City of Aurora, IL
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 3358 |
| Status | Inactive |
| Hoffman Estates | |
| Type | General Contractor |
- According to the Village of Hoffman Estates, 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 Contracting Ltd at the Village of Hoffman Estates.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 6845 |
| Status | Inactive |
| Hoffman Estates | |
| Type | General Contractor |
- According to the Village of Hoffman Estates, 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 Contracting Ltd at the Village of Hoffman Estates.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 14033 |
| Status | Inactive |
| Hoffman Estates | |
| Type | General Contractor |
- According to the Village of Hoffman Estates, 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 Contracting Ltd at the Village of Hoffman Estates.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | City Of Chicago |
| Type | C $5,000,000 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.
Inactive License
| License # | 3108 |
| Status | Inactive |
| Hoffman Estates | |
| Type | General Contractor |
- According to the Village of Hoffman Estates, 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 Contracting Ltd at the Village of Hoffman Estates.
This is a sample of licensing data; click here to access a complete history.
102
BuildZoom Score
50
Permits
- Building permit records show that Custom Contracting Ltd has worked on 50 permitted projects.
Custom Contracting Ltd Employees
DL
Donna Lajeunesse
Owner
LL
Leon Lajeunesse
Owner
SA
Sweedlana Atou
Owner