Updated: May 24, 2026
Location and Projects
Address
1025 SHAMBLISS CT, Buffalo Grove, IL, 60089
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Koa Construction
Koa Construction, 1025 Shambliss Ct, Buffalo Grove, IL (Owned by: Jay Jung) holds a General Contractor license and 5 other licenses according to the Hoffman Estates 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 Koa Construction, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Koa Construction Services
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Koa Construction Contact Information
Phone Number: (224) 688-4546
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Address: 1025 SHAMBLISS CT, Buffalo Grove, IL 60089
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Koa Construction Buffalo Grove
Quality
99
85th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Koa Construction has a BuildZoom score of 99, which places them above 85% of 65,686 contractors in Illinois.
Activity
|
3 projects
|
2025 |
|
1 project
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that Koa Construction has worked on at least
6.0 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-$20k |
|
2 projects
|
$50k-$100k |
|
2 projects
|
$100k-$250k |
|
1 project
|
$250k-$500k |
The typical size of their permits is approximately $95,000. 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.
Scope: nonstructural interior alteration to drywall cabinets and electrical of existing ups store; no plumbing work. locations: 0 residential unit(s) 1 non-residential unit(s) first floor 2506 n clark interior
Valuation:
$70,000
Permit #:
B200401156
Status:
issued
Fee:
$575
Permit Type:
Nonstructural int...
Building Type:
N/A
Bakery buildout
Valuation:
$495,000
Permit #:
BS24-2567
Status:
issued
Fee:
$2,200
Permit Type:
Tenant fit out
Building Type:
N/A
Restoration after fire damage conditions of permit: *separate permit for solar array to be re-installed you acknowledged and said ok they must submit for permits. *g.c. will submit certified truss drawing prior to 1st scheduled inspection
Valuation:
$80,000
Permit #:
PB23-0049
Status:
issued
Fee:
N/A
Permit Type:
Addition- basemen...
Building Type:
N/A
Convenience store buildout
Valuation:
$170,000
Permit #:
BS24-2569
Status:
issued
Fee:
$550
Permit Type:
Tenant fit out
Building Type:
N/A
Fire damage home repair -gutted/extensive roof/truss damage (interior demolish permit bld-072024-2023) red tag pbdrt-012898
Valuation:
$110,000
Permit #:
BLD-073642-2023
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Zoning b2 - retail store tenant improvements of existing building for new grocery store
Valuation:
N/A
Permit #:
24-00910
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Scope of work attachedâ
Valuation:
$12,000
Permit #:
RBLD-25-458
Status:
issued
Fee:
N/A
Permit Type:
Alteration - resi...
Building Type:
N/A
Interior landlord buildout
Valuation:
$15,800
Permit #:
PB19-0494
Status:
issued
Fee:
$600
Permit Type:
Commercial rehab ...
Building Type:
N/A
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156
BZ Score
$107K
Avg Project
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Projects
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BZ Score
$50K
Avg Project
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Projects
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BZ Score
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Projects
Koa Construction Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Koa Construction License info
Verified License
| License # | 17851 |
| Status | Active |
| Hoffman Estates | |
| Type | General Contractor |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for Koa Construction at the Village of Hoffman Estates.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 29666 |
| 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 Koa Construction at the Village of Hoffman Estates.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 30896 |
| 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 Koa Construction at the Village of Hoffman Estates.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CON-002573-2021 |
| Status | Inactive |
| Town | Palatine |
| Type | General Contractor Registration |
| Class | General Contractor |
- According to the Village of Palatine Registered Contractors, 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 Koa Construction at the Village of Palatine Registered Contractors.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | TGC139425 |
| Status | Inactive |
| City | City Of Chicago |
| Type | General Contractor (Class E) |
- 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.
Check this license's status for Koa Construction at the City of Chicago Data Portal.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CL-22-29099 |
| Status | Inactive |
| Town | Orland Park |
| Type | General 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 Koa Construction at the Village of Orland Park Contractor License.
This is a sample of licensing data; click here to access a complete history.
99
BuildZoom Score
7
Permits
- Building permit records show that Koa Construction has worked on 7 permitted projects.
Koa Construction Employees
JJ
Jay Jung
Owner