Updated: May 30, 2026
Location and Projects
Address
9126 Medill Ave, Franklin Park, IL, 60131
Use our bidding system to
request a quote
Green Tech Construction Solar Contractor
Green Tech Construction, 9126 Medill Ave, Franklin Park, IL (Owned by: Robert Milchling) holds a Contractor License Application license and 8 other licenses according to the Bartlett license board.
Their BuildZoom score of 108 ranks in the top 5% of 65,686 Illinois licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Green Tech Construction, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Green Tech Construction Contact Information
Phone Number: (410) 322-6538
Edit
Address: 9126 Medill Ave, Franklin Park, IL 60131
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
Green Tech Construction Franklin Park
Quality
108
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Green Tech Construction has a BuildZoom score of 108, which places them above 95% of 65,686 contractors in Illinois.
Activity
|
47 projects
|
2025 |
|
4 projects
|
2024 |
Our building permit records indicate that Green Tech Construction has worked on at least
51.0 projects over the past 2 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
|
50 projects
|
Solar installations |
Analyzing permits over the last 4 years shows that Green Tech Construction mostly works on
solar installation
projects.
Pricing
|
2 projects
|
< $5k |
|
16 projects
|
$5k-$20k |
|
22 projects
|
$20k-$50k |
The typical size of their permits is approximately $20,254. 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 Green Tech Construction
This is a sample of this contractor's permits. Click here to access their complete permit history.
Install solar panels on roof of principal building. roof type: low-sloped (<2:12). inverter output: 8.9 kw. array output: 8.925 kw. location: roof work. icc distributed generation installer cert. #23-0612
Valuation:
$30,507
Permit #:
B200422610
Status:
issued
Fee:
$300
Permit Type:
Small-scale solar...
Building Type:
N/A
<h2>installing a grid connected 17.63kw rooftop solar photovoltaic system with a 13.5kwh tesla powerwall 3 bess. the system will be interconnected via a back fed breaker in the newly installed tesla gateway 3. the gateway 3 is a smart transfer switch and main service disconnect that will be installed between the existing electrical meter and main service panel. the gateway # will beco... see more
Valuation:
$33,497
Permit #:
ELECT20252546
Status:
filed
Fee:
$258
Permit Type:
Electrical
Building Type:
N/A
Installing a grid connected 7.79 k w rooftop solar/pv system with a 13.5kwh tesla powerwall 3 bess. the system will be interconnected via a backfed breaker in the newly installed tesla gateway 3. the gateway 3 is a smart transfer switch and main service disconnect that will be installed between the existing electrical meter and main service panel. the gateway 3 will become the main se... see more
Valuation:
$14,801
Permit #:
ELECT20252470
Status:
filed
Fee:
$145
Permit Type:
Electrical
Building Type:
N/A
Solar panel installation and electrical work (9.84kw 24 panels to be installed)
Valuation:
$18,696
Permit #:
RBLD-25-694
Status:
complete
Fee:
N/A
Permit Type:
Wind or solar ene...
Building Type:
N/A
Solar photovoltaic installation electrical work 16.4kw 40 modulesâ
Valuation:
$31,000
Permit #:
RBLD-25-893
Status:
issued
Fee:
N/A
Permit Type:
Wind or solar ene...
Building Type:
N/A
Solar photovoltaic installation electrical work 16.4kw 40modulesâ
Valuation:
$31,000
Permit #:
RBLD-25-871
Status:
issued
Fee:
N/A
Permit Type:
Wind or solar ene...
Building Type:
N/A
Solar photovoltaic installation electrical work 16.82kw 41 modulesâ
Valuation:
$31,939
Permit #:
RBLD-25-840
Status:
complete
Fee:
N/A
Permit Type:
Wind or solar ene...
Building Type:
N/A
Solar photovoltaic installation electrical work 6.56kw 16 modulesâ
Valuation:
$13,000
Permit #:
RBLD-25-894
Status:
complete
Fee:
N/A
Permit Type:
Wind or solar ene...
Building Type:
N/A
Solar photovoltaic installation electrical work 7.39kw 19 modulesâ
Valuation:
$14,022
Permit #:
RBLD-25-855
Status:
complete
Fee:
N/A
Permit Type:
Wind or solar ene...
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
2501153
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
No Description Available
Valuation:
N/A
Permit #:
2500982
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
Roof mounted photovoltaic system consisting of 46 400w modules
Valuation:
$11,500
Permit #:
ELECT20241657
Status:
revoked
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
Roof mounted photovoltaic system consisting of 19 440w modules
Valuation:
$4,750
Permit #:
SFD20242774
Status:
filed
Fee:
N/A
Permit Type:
Single family dwe...
Building Type:
N/A
Roof mounted photovoltaic system consisting of 19 440w modules
Valuation:
$4,750
Permit #:
ELECT20241644
Status:
filed
Fee:
N/A
Permit Type:
Electrical
Building Type:
N/A
Solar panel
Valuation:
$23,370
Permit #:
PB25-0678
Status:
triage
Fee:
N/A
Permit Type:
Solar panel
Building Type:
N/A
: solar panels
Valuation:
N/A
Permit #:
25-1340-SOLR
Status:
issued
Fee:
$189
Permit Type:
N/A
Building Type:
Building use group
: solar panels
Valuation:
N/A
Permit #:
25-1339-SOLR
Status:
issued
Fee:
$189
Permit Type:
N/A
Building Type:
Building use group
No Description Available
Valuation:
N/A
Permit #:
2502558
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
Solar panel
Valuation:
N/A
Permit #:
PB24-0649
Status:
triage
Fee:
N/A
Permit Type:
Solar panel
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
0357-25
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Similar Contractors See more
License # TGC140539
Chicago, IL
115
BZ Score
$40K
Avg Project
-
Projects
126
BZ Score
$27.9K
Avg Project
-
Projects
License # CL-2538
Chicago, IL
115
BZ Score
$24.2K
Avg Project
-
Projects
Green Tech Construction Reviews
BuildZoom hasn't received any reviews for Green Tech Construction. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Green Tech Construction License info
Verified License
| License # | CL-4725 |
| Status | Active |
| Town | Bartlett |
| Type | Contractor License Application |
| Date Issued | 07-02-2025 |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Green Tech Construction at the Contractors Licensed in Bartlett.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CR-10951 |
| Status | Active |
| Type | Contractor Registration |
| Date Issued | 02-24-2026 |
- BuildZoom verified this license was active as of March 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| County | Cook County |
| Type | Electrical |
| Date Issued | 02-19-2026 |
- BuildZoom verified this license was active as of May 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | REG-2025-113 |
| Status | Active |
| County | Kankakee County |
| Type | Contractor Registration |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Green Tech Construction at the Kankakee County Planning Department.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 25-0593 |
| Status | Active |
| State | Illinois |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Green Tech Construction at the Illinois Commerce Commission.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | TGC139779 |
| Status | Active |
| City | City Of Chicago |
| Type | General Contractor (Class C) |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Green Tech 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 # | 25LICL-0146 |
| Status | Inactive |
| City | Evanston |
| Type | Electrical |
| Date Issued | 01-22-2026 |
- 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 Green Tech Construction at the City of Evanston Building and Inspection Services.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CON-006559-2024 |
| Status | Inactive |
| Town | Palatine |
| Type | Electrical Contractor Registration |
| Class | Electrical |
| Date Issued | 06-30-2025 |
- 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 Green Tech 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 # | CR0003231 |
| Status | Inactive |
| County | Dupage County |
| Type | Sub Contractor, Electric |
- 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 Green Tech Construction at the County of Dupage Contractor Registration Information.
This is a sample of licensing data; click here to access a complete history.
108
BuildZoom Score
51
Permits
- Building permit records show that Green Tech Construction has worked on 51 permitted projects.
Green Tech Construction Employees
CM
Calvin Monson
GL
Green Tech Construction Llc
Licensee
RM
Robert Milchling
Owner
TO
Theresa Orozco
VB
Vishaal Bollam
Chief Executive Officer