Tatiana Marquez

Real Estate Advisor | NC Specialist | New Construction & First-Time Buyers

Costello Real Estate and Investment

The Carolina Brokerage | Buy with Confidence. Sell with Certainty

The Mission

To enhance the lives of those we serve by engaging, inspiring, and connecting the luxury community as we showcase the very finest in luxury real estate and the luxury lifestyle in and across our markets. Our unmatched exposure and influence across today’s most relevant and engaging platforms, combined with our local market expertise and commitment to strengthening the communities in which we live and work, ensures we deliver a world-class product and experience like no other.

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About Tatiana Marquez

Hi, I’m Tatiana Marquez, a bilingual real estate agent serving the Raleigh-Durham area and surrounding communities.

I specialize in helping buyers navigate the home buying process with confidence — whether you're purchasing your first home, relocating, or investing. I work closely with a trusted team to guide clients through every step, including financing options for different situations.

My goal is to make the process clear, smooth, and stress-free while helping you make a smart investment.

If you're thinking about buying or just want to explore your options, feel free to reach out — I’m here to help.