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Core Cleaning is independently owned and operated and fully insured for both residential and commercial cleaning services. It has been owned and operated by Karen Marth since 1990.  Joined by her 2 daughters, they have devoted themselves to providing reliable, consistent and Eco-friendly services, that allow them to take exceptional care of their clients and the environment.

As the owner of Core Cleaning, Karen is passionate about high quality, Eco-friendly, customer convenience focused service and has become known in the Durham Region as “The Queen of Clean”.  

When Karen was 20 years old, she had a 3 year old daughter and realized that she didn’t want to leave her with a babysitter when she had to go to work.  Karen bought an existing company, picked up the White Pages and a phone and was determined to grow this company, call by call Now 30 years later, Core Cleaning has become the #1 Cleaning Service in Durham Region.

When deciding to operate a business, Karen wanted to not just work, but she wanted to help people. Most families now have dual income, they have to balance their jobs, families, kids and household chores – Something has to give, and its typically spending time with our families to do chores instead.

Core Cleaning allows over 100 families every week to free up some space and time in their schedule, to focus on what matters most to them. It doesn’t matter who you are, when you come home to a sparkling home that someone else cleaned, you feel good and your family feels good

At Core Cleaning, we are so much more than just Housekeeping. We listened to our clients and understood that they had needs for other cleaning services, but they needed them with the convienence of getting them from one provider. We  expanded our service offerings, to meet the needs of our clients.  All of their cleaning needs are met with the same high level of quality and professionalism and we offer those services all in-house without contracting to 3rd parties.

We have created a way for you to get those more expensive Specialty Cleaning Services that can dramatically increase the value of your home, with a payment plan that can allow you up to 12 months to pay. 

When you invite Core Cleaning into your home, you can rest assure that you will get a detailed cleaning, to the CORE of your home. 

We have strong ties to our community.  

You can find us supporting Girls Inc. of Durham.  Attending Heart of Networking events and Ladies Who Dine. We’re also part of the Bownmanville local chapter of BNI – Build your Business.  Most recently we joined the Clarington Board of Trade!   

Ask Us About Our

Whole Home
Detailing Package

For A Clean The Goes To The Core!