Updated: Jul 11, 2026
Location and Projects
Address
5916 N Green Bay Ave, Milwaukee, WI, 53209
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Cor Improvements Photos
Cor Improvements
COR Improvements is a woman-owned, minority-owned, general contracting business specializing in kitchen and bathroom remodeling while offering a variety of other quality construction services in and around Milwaukee and Southeastern Wisconsin. Owner Maretes Hein founded the company in 2007 under the name My Girl Tuesday. She changed the name to COR Improvements in 2010 to better represent the company’s growing scope of construction, design and renovation services in the retail, residential, and commercial spaces.
COR Improvements is a fully licensed and insured company that employs knowledgeable and trustworthy individuals. When choosing COR Improvements, you are choosing quality and timely service. We are a committed team of professionals who are dedicated to making our customers’ lives easier.
From BuildZoom: Cor Improvements, 5916 N Green Bay Ave, Glendale, WI holds a Dwelling Contractor, Regular, False license and 4 other licenses according to the Wisconsin Rapids license board.
Their BuildZoom score of 109 ranks in the top 5% of 94,017 Wisconsin licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Cor Improvements, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Cor Improvements Services
Start a project today:
Custom Home Build
New Home Construction
Medium Multi-Family New Con...
Other Residential New Const...
Multi-Room Remodel
Kitchen Remodel
Bathroom Remodel
Basement Remodel
Medium Multi-Family Remodel...
Other Residential Remodel
Office Renovation
Restaurant Renovation
Retail Renovation
Other Commercial Renovation
Roofing
Hardwood Flooring
Carpets
Laminate Flooring
Other Flooring
Framing
Wood Fences
Backsplash and Countertops
Stonework
Tile Flooring
Other Stone and Tile
Drywall
Interior Plaster
Brick and Blockwork
Other Masonry
Flatwork Concrete
Foundations
Other Concrete
Demolition
Paving, Driveways, and Side...
Excavation and Grading
Cor Improvements Contact Information
Phone Number: (414) 745-6319
Address: 5916 N Green Bay Ave, Glendale, WI 53209
Cor Improvements Glendale
Quality
109
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Cor Improvements has a BuildZoom score of 109, which places them above 95% of 94,017 contractors in Wisconsin.
Activity
|
3 projects
|
2025 |
|
2 projects
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that Cor Improvements has worked on at least
7.0 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
|
2 projects
|
$5k-$20k |
|
1 project
|
$20k-$50k |
|
2 projects
|
$100k-$250k |
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.
Remodel 2nd floor primary bathroom; insulation in exposed exterior walls and in ceiling joist at unfinished attic areas; safety film installed on windows to turn them into tempered windows
Valuation:
$130,000
Permit #:
P25-0528
Status:
final
Fee:
$1,560
Permit Type:
Renovation
Building Type:
N/A
2nd floor bathroom remodel; office closet rebuild to enlarge
Valuation:
N/A
Permit #:
P22-2232
Status:
final
Fee:
$675
Permit Type:
Renovation
Building Type:
N/A
Basement remodel
Valuation:
$150,000
Permit #:
PB25-0264
Status:
issued
Fee:
$506
Permit Type:
Building
Building Type:
N/A
Attic conversion
Valuation:
$15,000
Permit #:
RES-ALT-23-00244
Status:
issued
Fee:
$340
Permit Type:
N/A
Building Type:
N/A
Kitchen bathroom and mudroom alteration
Valuation:
$20,000
Permit #:
RES-ALT-21-00818
Status:
complete
Fee:
$394
Permit Type:
N/A
Building Type:
N/A
Dumpster in prow - remodel project
Valuation:
N/A
Permit #:
P25-0550
Status:
final
Fee:
$75
Permit Type:
Dumpsters
Building Type:
N/A
Kitchen and bathroom vent replacements
Valuation:
$500
Permit #:
HVAC-GEN-21-03493
Status:
complete
Fee:
$61
Permit Type:
N/A
Building Type:
N/A
Remodel 3rd floor shower
Valuation:
$10,500
Permit #:
P25-0142
Status:
final
Fee:
$126
Permit Type:
Renovation
Building Type:
N/A
Dumpster in prow - remodel project portable toilet in prow parkway
Valuation:
N/A
Permit #:
P22-2233
Status:
final
Fee:
$150
Permit Type:
Dumpsters
Building Type:
N/A
Installing supply and return duct
Valuation:
$6,000
Permit #:
HVAC-GEN-20-02279
Status:
complete
Fee:
$112
Permit Type:
N/A
Building Type:
N/A
Bathroom remodel- walk in shower double vanity new floor
Valuation:
$7,665
Permit #:
PB22-0207
Status:
final
Fee:
$100
Permit Type:
Building
Building Type:
N/A
Remodel kitchen and bathroom
Valuation:
N/A
Permit #:
P21-0087
Status:
issued
Fee:
$468
Permit Type:
Renovation
Building Type:
N/A
Steel beam install per wafrp standards. excavation requires inspection prior to backfill. also reroofing house with attached garage. timely removal of debris required. call 262.532.4282 to schedule all required inspections
Valuation:
N/A
Permit #:
P58379
Status:
final
Fee:
$323
Permit Type:
01bldg
Building Type:
N/A
Kitchen renovation
Valuation:
$7,000
Permit #:
RES-ALT-20-00459
Status:
complete
Fee:
$148
Permit Type:
N/A
Building Type:
N/A
Attic remodel
Valuation:
$15,000
Permit #:
RES-ALT-19-00679
Status:
complete
Fee:
$361
Permit Type:
N/A
Building Type:
N/A
Bathroom remodel
Valuation:
$5,000
Permit #:
RES-ALT-24-00039
Status:
complete
Fee:
$186
Permit Type:
N/A
Building Type:
N/A
Single family - 3rd floor renovation
Valuation:
$5,000
Permit #:
RES-ALT-19-00665
Status:
complete
Fee:
$154
Permit Type:
N/A
Building Type:
N/A
Kitchen remodel and roof repair
Valuation:
$20,000
Permit #:
RES-ALT-19-00680
Status:
complete
Fee:
$392
Permit Type:
N/A
Building Type:
N/A
Single family - 3rd floor renovation
Valuation:
$5,000
Permit #:
RES-ALT-19-00665
Status:
complete
Fee:
$154
Permit Type:
N/A
Building Type:
N/A
Kitchen remodel
Valuation:
$4,380
Permit #:
RES-ALT-21-00201
Status:
complete
Fee:
$138
Permit Type:
N/A
Building Type:
N/A
Cor Improvements Reviews
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Verified License
BuildZoom confirmed this contractor's license
Cor Improvements License info
Verified License
| License # | 061200077 - DC |
| Status | Active |
| City | Wisconsin Rapids |
| Type | Dwelling Contractor, Regular, False |
| Business Type | Limited Liability Company (Llc) |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Cor Improvements at the City of Wisconsin Rapids.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Milwaukee |
| Type | Home Improvement Contractor's License |
| Business Type | Limited Liability Company (Llc) |
- BuildZoom verified this license was active as of July 2026.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 1175166 |
| Status | Active |
| State | Wisconsin |
| Type | Dwelling Contractor |
| Business Type | Limited Liability Company (Llc) |
- When BuildZoom last verified this license, it had an expiration date of June, 2019. Check the current license status of Cor Improvements with the Wisconsin Department of Safety and Professional Services
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1175166 |
| Status | Inactive |
| State | Wisconsin |
| Type | Manufactured Home Manufacturer |
| Business Type | Limited Liability Company (Llc) |
- According to the Wisconsin Department of Safety and Professional Services, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Cor Improvements at the Wisconsin Department of Safety and Professional Services.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 061200077 |
| Status | Inactive |
| City | Milwaukee |
| Type | Contractor |
| Business Type | Limited Liability Company (Llc) |
- According to the City of Milwaukee License Search, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Cor Improvements at the City of Milwaukee License Search.
This is a sample of licensing data; click here to access a complete history.
109
BuildZoom Score
46
Permits
- Building permit records show that Cor Improvements has worked on 46 permitted projects.