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Long Island’s Premier Property Management Company

Real Property Management Landmark is Long Island’s Premier Property Management company specializing in single, multi-family, and mixed-use properties. We work with small, mid-sized, and large portfolio investors to maximize profits and ensure rental stability and property protection. With over 20 years of experience, call today to find out what Real Property Management Landmark can do for you.

Leave the hard work up to us

Our approach is simple.  We provide professional, trustworthy property management services, from tenant screening to leasing to maintenance to evictions. Whether you are a beginning investor or own several rental homes, we have a management package that will fill your needs.

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Rely on Professional Expertise

With Real Property Management Landmark, you can count on our local knowledge and expertise, supported by systems and processes developed over the past 30 years.  Join the thousands of rental homeowners and investors who trust Real Property Management across the country to manage their rental property. Whether you own one rental home or several investment properties, our staff is prepared to meet the demands of property management, 24 hours a day.  We know what works, what rents, and how to get more out of your rental property – all at a competitive price.

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Brad CasellaMeet Brad R Casella


Born and raised on Long Island, Brad started his real estate career in 1995, working for a small firm in Syosset, NY. In 2015, armed with a wealth of real estate, property management, and construction experience, Brad decided to start his own property management company, and Real Property Management Landmark was born. Since then, Brad and his dedicated team have built the company to manage more than 200 residential single-family homes, apartment buildings, commercial strip centers, and multifamily homes all over Nassau County and Suffolk County, New York.

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Rentals Available in Uniondale, NY, and the Surrounding Area

Looking for a place to live on Long Island, New York? We manage hundreds of rental homes with the best care possible. Let us know what you’re looking for online or call our office at 516-522-2859 and we will do our best to assist you.

Find Your New Place Today!

Beautiful craftsman home in Long Island NY exterior on bright sunny day with green grass and blue sky