About 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.

Our Vision Statement

Building a new era of development, growth, and productivity in the construction industry for future generations.


Our Mission Statement

We exist to create outstanding relationships where ingenuity and collaboration come together. By implementing a culture that supports exceptional service, we are committed to bettering our industry with superior communication between our customers, team members and community while inspiring others to do the same.

Reviews From Customers

“Through excellent communication and exclusive craftsmanship, COR Improvements strives to build long-lasting relationships with each customer. We look forward to speaking with you about your project and making your dream become reality.”
-Maretes Hein, Owner
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