Updated: Jul 16, 2026
Location and Projects
Address
1582 Barclay BLV, Buffalo Grove, IL, 60089
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Certasun Solar Contractor
Certasun LLC, 1582 Barclay Blvd, Buffalo Grove, IL (Owned by: Joshua Johnsen) holds a General Contractor Registration license and 30 other licenses according to the Palatine license board.
Their BuildZoom score of 110 ranks in the top 4% of 65,686 Illinois licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Certasun LLC, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Certasun LLC Contact Information
Phone Number: (847) 302-9068
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Address: 1582 Barclay BLV, Buffalo Grove, IL 60089
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Certasun LLC Buffalo Grove
Quality
110
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Certasun LLC has a BuildZoom score of 110, which places them above 96% of 65,686 contractors in Illinois.
Activity
|
1 project
|
2026 |
|
116 projects
|
2025 |
|
129 projects
|
2024 |
|
120 projects
|
2023 |
Our building permit records indicate that Certasun LLC has worked on at least
366.0 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
|
19 projects
|
Home Additions |
|
4 projects
|
Commercial Renovations |
|
308 projects
|
Solar installations |
Analyzing permits over the last 4 years shows that Certasun LLC mostly works on
solar installation
and home addition
projects.
Pricing
|
72 projects
|
< $5k |
|
23 projects
|
$5k-$20k |
|
198 projects
|
$20k-$50k |
|
27 projects
|
$50k-$100k |
|
1 project
|
$100k-$250k |
The typical size of their permits is approximately $30,688. 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.
Line voltage electrical work. addition 1 circuits to existing 200 amp service disconnecting means. receptacle outlets: 1. lighting outlets: 0. electric vehicle supply equipment:1 spaces. specific location: detached garage
Valuation:
$206,933
Permit #:
B200410895
Status:
complete
Fee:
$175
Permit Type:
Electrical work
Building Type:
N/A
Install solar panels on roof of principal building. roof type: steep (>5:12). inverter output: 12.54 kw. array output: 14.85 kw. location: rooftop - principal structure. icc distributed generation installer cert. #18-0735
Valuation:
$50,299
Permit #:
B200410592
Status:
complete
Fee:
$300
Permit Type:
Small-scale solar...
Building Type:
N/A
Install solar panels on roof of principal building. roof type: steep (>5:12). inverter output: 12.54 kw. array output: 14.85 kw. location: rooftop - principal structure. icc distributed generation installer cert. #18-0735
Valuation:
$50,299
Permit #:
B200410592
Status:
complete
Fee:
$300
Permit Type:
Small-scale solar...
Building Type:
N/A
Install solar panels on roof of principal building. roof type: steep (>5:12). inverter output: 6.46 kw. array output: 7.65 kw. location: roof of principal structure riser replacement. icc distributed generation installer cert. #18-0735
Valuation:
$39,610
Permit #:
B200426154
Status:
complete
Fee:
$300
Permit Type:
Small-scale solar...
Building Type:
N/A
Install solar panels on roof of principal building. roof type: steep (>5:12). inverter output: 6.46 kw. array output: 7.65 kw. location: roof of principal structure riser replacement. icc distributed generation installer cert. #18-0735
Valuation:
$39,610
Permit #:
B200426154
Status:
complete
Fee:
$300
Permit Type:
Small-scale solar...
Building Type:
N/A
Install solar panels on roof of principal building. roof type: steep (>5:12). inverter output: 9.88 kw. array output: 11.7 kw. includes 13.5 kwh energy storage system. location: rooftop - principal building. icc distributed generation installer cert. #18-0735
Valuation:
$43,451
Permit #:
B200424036
Status:
issued
Fee:
$300
Permit Type:
Small-scale solar...
Building Type:
N/A
Install solar panels on roof of principal building. roof type: steep (>5:12). inverter output: 9.88 kw. array output: 11.7 kw. includes 13.5 kwh energy storage system. location: rooftop - principal building. icc distributed generation installer cert. #18-0735
Valuation:
$43,451
Permit #:
B200424036
Status:
issued
Fee:
$300
Permit Type:
Small-scale solar...
Building Type:
N/A
Install solar panels on roof of principal building. roof type: steep (>5:12). inverter output: 10 kw. array output: 7.2 kw. includes 13.5 kwh energy storage system. location: rooftop - principal structure. icc distributed generation installer cert. #18-0735
Valuation:
$39,712
Permit #:
B200424038
Status:
issued
Fee:
$300
Permit Type:
Small-scale solar...
Building Type:
N/A
Install solar panels on roof of principal building. roof type: steep (>5:12). inverter output: 10 kw. array output: 7.2 kw. includes 13.5 kwh energy storage system. location: rooftop - principal structure. icc distributed generation installer cert. #18-0735
Valuation:
$39,712
Permit #:
B200424038
Status:
issued
Fee:
$300
Permit Type:
Small-scale solar...
Building Type:
N/A
Install solar panels on roof of principal building. roof type: sloped (2:12 to 5:12). inverter output: 9.88 kw. array output: 11.7 kw. location: roof - principal structure. icc distributed generation installer cert. #18-0735
Valuation:
$39,000
Permit #:
B200421506
Status:
complete
Fee:
$300
Permit Type:
Small-scale solar...
Building Type:
N/A
Install solar panels on roof of principal building. roof type: sloped (2:12 to 5:12). inverter output: 9.88 kw. array output: 11.7 kw. location: roof - principal structure. icc distributed generation installer cert. #18-0735
Valuation:
$39,000
Permit #:
B200421506
Status:
complete
Fee:
$300
Permit Type:
Small-scale solar...
Building Type:
N/A
Install solar panels on roof of principal building. roof type: low-sloped (<2:12). inverter output: 9.5 kw. array output: 11.25 kw. location: rooftop - principal structure. icc distributed generation installer cert. #18-0735
Valuation:
$42,250
Permit #:
B200419639
Status:
complete
Fee:
$300
Permit Type:
Small-scale solar...
Building Type:
N/A
Install solar panels on roof of principal building. roof type: low-sloped (<2:12). inverter output: 9.5 kw. array output: 11.25 kw. location: rooftop - principal structure. icc distributed generation installer cert. #18-0735
Valuation:
$42,250
Permit #:
B200419639
Status:
complete
Fee:
$300
Permit Type:
Small-scale solar...
Building Type:
N/A
Install solar panels on roof of principal building. roof type: low-sloped (<2:12). inverter output: 9.5 kw. array output: 11.25 kw. location: rooftop - principal structure. icc distributed generation installer cert. #18-0735
Valuation:
$43,525
Permit #:
B200413513
Status:
complete
Fee:
$300
Permit Type:
Small-scale solar...
Building Type:
N/A
Install solar panels on roof of principal building. roof type: low-sloped (<2:12). inverter output: 9.5 kw. array output: 11.25 kw. location: rooftop - principal structure. icc distributed generation installer cert. #18-0735
Valuation:
$43,525
Permit #:
B200413513
Status:
complete
Fee:
$300
Permit Type:
Small-scale solar...
Building Type:
N/A
Install solar panels on roof of principal building. roof type: steep (>5:12). inverter output: 9.5 kw. array output: 11.25 kw. location: rooftop - principal structure. icc distributed generation installer cert. #18-0735
Valuation:
$43,105
Permit #:
B200410306
Status:
complete
Fee:
$300
Permit Type:
Small-scale solar...
Building Type:
N/A
Install solar panels on roof of principal building. roof type: steep (>5:12). inverter output: 9.5 kw. array output: 11.25 kw. location: rooftop - principal structure. icc distributed generation installer cert. #18-0735
Valuation:
$43,105
Permit #:
B200410306
Status:
complete
Fee:
$300
Permit Type:
Small-scale solar...
Building Type:
N/A
Install solar panels on roof of principal building. roof type: steep (>5:12). inverter output: 8.36 kw. array output: 9.9 kw. location: rooftop - principal structure. icc distributed generation installer cert. #18-0735
Valuation:
$35,443
Permit #:
B200409963
Status:
complete
Fee:
$300
Permit Type:
Small-scale solar...
Building Type:
N/A
Install solar panels on roof of principal building. roof type: steep (>5:12). inverter output: 8.36 kw. array output: 9.9 kw. location: rooftop - principal structure. icc distributed generation installer cert. #18-0735
Valuation:
$35,443
Permit #:
B200409963
Status:
complete
Fee:
$300
Permit Type:
Small-scale solar...
Building Type:
N/A
Install solar panels on roof of principal building. roof type: steep (>5:12). inverter output: 6.08 kw. array output: 7.2 kw. location: rooftop - principal structure. icc distributed generation installer cert. #18-0735
Valuation:
$26,016
Permit #:
B200421242
Status:
complete
Fee:
$300
Permit Type:
Small-scale solar...
Building Type:
N/A
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Certasun LLC License info
Verified License
| License # | CON-004500-2023 |
| Status | Active |
| Town | Palatine |
| Type | General Contractor Registration |
| Class | General Contractor |
| Date Issued | 01-06-2026 |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for Certasun LLC at the Village of Palatine Registered Contractors.
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Verified License
| License # | ECC95498 |
| Status | Active |
| City | City Of Chicago |
| Type | Electrical Contractor (General) |
- BuildZoom verified this license was active as of July 2026.
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Verified License
| License # | CL-25-30204 |
| Status | Active |
| Town | Orland Park |
| Type | Electrical Contractor |
- BuildZoom verified this license was active as of July 2026.
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Verified License
| License # | 24-0900 |
| Status | Active |
| State | Illinois |
- BuildZoom verified this license was active as of July 2026.
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Verified License
| License # | 24-0431 |
| Status | Active |
| State | Illinois |
- BuildZoom verified this license was active as of July 2026.
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Verified License
| License # | CR0001047 |
| Status | Active |
| County | Dupage County |
| Type | General Contractor W/Trades, Electric Hvac |
- BuildZoom verified this license was active as of July 2026.
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Verified License
| License # | 18-0735 |
| Status | Active |
| State | Illinois |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Certasun LLC at the Illinois Commerce Commission.
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Verified License
| Status | Active |
| County | Cook County |
| Type | Electrical |
| Date Issued | 05-06-2026 |
- BuildZoom verified this license was active as of July 2026.
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License Not Verified
| Status | Active |
| Town | Palatine |
| Type | Electrical |
- When BuildZoom last verified this license, it had an expiration date of December, 2021. Check the current license status of Certasun LLC with the Village of Palatine Registered Contractors
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License Not Verified
| License # | CL-599 |
| Status | Active |
| Town | Bartlett |
| Type | {U'license Type': U'general'} |
- When BuildZoom last verified this license, it had an expiration date of December, 2023. Check the current license status of Certasun LLC with the Contractors Licensed in Bartlett
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License Not Verified
| License # | L-2018-228 |
| Status | Active |
| County | Kankakee County |
| Type | Pool Installation |
- When BuildZoom last verified this license, it had an expiration date of June, 2021. Check the current license status of Certasun LLC with the Kankakee County Planning Department
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License Not Verified
| License # | CR8745 |
| Status | Active |
| County | Dupage County |
| Type | Electric |
- When BuildZoom last verified this license, it had an expiration date of June, 2022. Check the current license status of Certasun LLC with the County of Dupage Contractor Registration Information
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Inactive License
| License # | 25184 |
| 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.
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Inactive License
| License # | 26133 |
| 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.
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Inactive License
| License # | 27713 |
| Status | Inactive |
| Hoffman Estates | |
| Type | Electrical |
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Inactive License
| License # | 29304 |
| Status | Inactive |
| Hoffman Estates | |
| Type | General Contractor |
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Inactive License
| License # | 30526 |
| Status | Inactive |
| Hoffman Estates | |
| Type | General Contractor |
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Inactive License
| License # | 32275 |
| 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.
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Inactive License
| License # | 33300 |
| Status | Inactive |
| Hoffman Estates | |
| Type | General Contractor |
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Inactive License
| License # | CR8745 |
| Status | Inactive |
| County | Dupage County |
| Type | General Contractor W/Trades, Electric |
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Inactive License
| License # | 15787 |
| Status | Inactive |
| Hoffman Estates | |
| Type | General Contractor |
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Inactive License
| License # | TGC106802 |
| Status | Inactive |
| City | City Of Chicago |
| Type | General Contractor (Class E) |
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Inactive License
| License # | 15787 |
| Status | Inactive |
| Hoffman Estates | |
| Type | Electrical |
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Inactive License
| License # | CL-24-30204 |
| Status | Inactive |
| Town | Orland Park |
| Type | Electrical 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.
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Inactive License
| License # | REG-2018-228 |
| 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 Certasun LLC at the Kankakee County Planning Department.
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Inactive License
| License # | CL-20-26945 |
| Status | Inactive |
| Town | Orland Park |
| Type | Electrical Contractor |
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Inactive License
| License # | 19LICL-0163 |
| Status | Inactive |
| City | Evanston |
| Type | Electrical |
- 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.
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Inactive License
| License # | 202508497 |
| Status | Inactive |
| City | Oak Park |
| Type | Contractor |
- According to the Village of Oak Park, 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.
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Inactive License
| Status | Inactive |
| City | City Of Chicago |
| Type | General |
- 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.
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Inactive License
| Status | Inactive |
| City | City Of Chicago |
| Type | General |
- 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.
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Inactive License
| Status | Inactive |
| City | City Of Chicago |
| Type | E $500,000 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.
110
BuildZoom Score
714
Permits
- Building permit records show that Certasun LLC has worked on 714 permitted projects.
Certasun LLC Employees
DC
Daniel R Coultas
ID
Iain Drummond
JO
Jackson O Omushien
JQ
Janis Von Qualen
JL
Josh Lutton
Chief Executive Officer
JJ
Joshua Johnsen
Owner
JL
Joshua Lutton
Chief Executive Officer
KF
Kathleen Falk
Owner
SO
Sanjo Omoniyi
TG
Terrance M Garmon