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Best in Class

Here at Cornerstone Realty & Rental, our main focus is helping you achieve your rental property goals. Cornerstone Property management is a full-scale property management company with proudly over 10 years of helping owners just like you in the management field serving the Marshall, McCracken, Graves, and Calloway counties.

We are locally owned and operated - that means you get the individual attention your property deserves without just becoming another number in a huge corporation. Pair that with our leading edge software systems and top industry technology, and you get a custom plan tailored to make your properties thrive! 

We take care of investors from our local community to across the globe, helping them minimize risk and maximize profit.

Call us today and see if we are the right fit for you! 

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Meet the Team

Best in the Business


Deric Tarnowski


Deric Tarnowski started at Cornerstone Realty & Rental as operating manager in 2018. After growing the business he bought the company and hasn't looked back since. Deric was raised in the rental business and has a passion for helping people grow not only their rental portfolio's, but their knowledge as well.

He is a native to the area growing up by Kentucky Lake, attended Murray State University where he met his wife who is a local elementary school teacher. Deric understands to run a company in a town you have to know and love it, that is why he focuses his business in Murray.

Give him a call and see how he can help you reach your maximum potential!

Colleen Website.jpg

Colleen Jacob


Colleen Jacob is a Chicago native, but while attending Murray State University she became interested in real estate through her classes which has set her on a path to where she is today. After graduating with a major in Public Relations with a duel minor in Advertising and Real Estate she joined our team and has been excelling. Colleen brings an amazing set of skills to our clients and her personality is unmatched.

She is also studying to take her real estate licensing exam, and after will be helping with rental property acquisitions for our clients.

Give Colleen a call today!