Updated: Jun 02, 2026
Location and Projects
Address
521 S LAGRANGE ROAD, Indian Head Park, IL, 60525
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Jamm Development Construction
Jamm Development Inc, 521 S Lagrange Rd, Lagrange, IL (Owned by: John Dunnett) holds a General Contractor (Class E) license and 6 other licenses according to the City of Chicago license board.
Their BuildZoom score of 98 ranks in the top 16% of 65,686 Illinois licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Jamm Development Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Jamm Development Inc Services
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Jamm Development Inc Contact Information
Phone Number: (708) 829-0053
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Address: 521 S LAGRANGE ROAD, Lagrange, IL 60525
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Jamm Development Inc Lagrange
Quality
98
84th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Jamm Development Inc has a BuildZoom score of 98, which places them above 84% of 65,686 contractors in Illinois.
Activity
|
1 project
|
2025 |
|
2 projects
|
2024 |
|
15 projects
|
2023 |
Our building permit records indicate that Jamm Development Inc has worked on at least
18.0 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
|
6 projects
|
< $5k |
|
6 projects
|
$5k-$20k |
|
2 projects
|
$100k-$250k |
The typical size of their permits is approximately $5,000. 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.
875 sf rear addition to an existing 3 600 sf one story masonry building. (existing use to remain an auto repair shop. type 2a construction)
Valuation:
$155,000
Permit #:
101024310
Status:
suspended
Fee:
$2,225
Permit Type:
N/A
Building Type:
N/A
Interior alterations to existing 17096 sf vacant building for 3 tenant spaces for group b-1 business use
Valuation:
$335,000
Permit #:
100974025
Status:
expired
Fee:
$8,281
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$150,000
Permit #:
B29338
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Existing commercial addition and new construction landscape in phases. division of zoning lots work to existing parking area addition new wood fence to north side and ornamental to west and south side of property
Valuation:
$250,000
Permit #:
100747500
Status:
complete
Fee:
$3,564
Permit Type:
N/A
Building Type:
N/A
Interior alterations - provide new lintel at opening between kitchen and storage prep area
Valuation:
$3,000
Permit #:
100953721
Status:
complete
Fee:
$1,575
Permit Type:
N/A
Building Type:
N/A
Roof recover only - no structural work
Valuation:
$6,000
Permit #:
100975633
Status:
issued
Fee:
$400
Permit Type:
N/A
Building Type:
N/A
Interior renovations to existing restaurant
Valuation:
$250,000
Permit #:
100789909
Status:
complete
Fee:
$938
Permit Type:
N/A
Building Type:
N/A
Fences: 227ft in x 6ft in: qty 1
Valuation:
$13,000
Permit #:
101010489
Status:
issued
Fee:
$225
Permit Type:
N/A
Building Type:
N/A
Fences: 100ft in x 6ft in: qty 1
Valuation:
$5,000
Permit #:
101004645
Status:
issued
Fee:
$150
Permit Type:
N/A
Building Type:
N/A
Fences: 51ft in x 6ft in: qty 1
Valuation:
$4,000
Permit #:
101015692
Status:
issued
Fee:
$225
Permit Type:
N/A
Building Type:
N/A
Fences: 54ft in x 6ft in: qty 1
Valuation:
$3,500
Permit #:
101013563
Status:
issued
Fee:
$225
Permit Type:
N/A
Building Type:
N/A
Fences: 50ft in x 6ft in: qty 1
Valuation:
$2,000
Permit #:
101007813
Status:
issued
Fee:
$225
Permit Type:
N/A
Building Type:
N/A
Fences: 250ft in x 6ft in: qty 1
Valuation:
$15,000
Permit #:
100957042
Status:
issued
Fee:
$225
Permit Type:
N/A
Building Type:
N/A
Revision to permit#100745449 change plumbing contractor to ph plumbing inc
Valuation:
$100
Permit #:
100880428
Status:
issued
Fee:
$75
Permit Type:
N/A
Building Type:
N/A
Fences: 100ft in x 6ft in: qty 1
Valuation:
$5,000
Permit #:
100986260
Status:
issued
Fee:
$225
Permit Type:
N/A
Building Type:
N/A
Fences: 81ft in x 6ft in: qty 1
Valuation:
$11,000
Permit #:
100964895
Status:
issued
Fee:
$225
Permit Type:
N/A
Building Type:
N/A
Interior demolish of an existing commercial site
Valuation:
$50,000
Permit #:
100780772
Status:
complete
Fee:
$575
Permit Type:
N/A
Building Type:
N/A
Fences: 180ft in x 6ft in: qty 1
Valuation:
$15,000
Permit #:
100935313
Status:
issued
Fee:
$150
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
EX28865
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
EX28653
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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BZ Score
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Jamm Development Inc Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Jamm Development Inc License info
Verified License
| License # | TGC017642 |
| Status | Active |
| City | City Of Chicago |
| Type | General Contractor (Class E) |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Jamm Development 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 # | 8328 |
| Status | Active |
| Hoffman Estates | |
| Type | General Contractor |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for Jamm Development Inc at the Village of Hoffman Estates.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | REG-2023-297 |
| Status | Inactive |
| County | Kankakee County |
| Type | Contractor Registration |
- According to the Kankakee County Planning Department, 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 Jamm Development Inc at the Kankakee County Planning Department.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 12086 |
| 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 Jamm Development Inc 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
| Status | Inactive |
| City | City Of Chicago |
| Type | D $2,000,000 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 # | 15LICC-0008 |
| Status | Inactive |
| City | Evanston |
| Type | Gc Commercial |
- 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 Jamm Development Inc at the City of Evanston Building and Inspection Services.
This is a sample of licensing data; click here to access a complete history.
98
BuildZoom Score
80
Permits
- Building permit records show that Jamm Development Inc has worked on 80 permitted projects.
Jamm Development Inc Employees
JD
John Dunnett
Owner