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Adhering to all current CDC, State, and Local Health & Safety Guidelines, we're opening up our offices again and resuming in-person real estate services. Read our policies and procedures to see how we're keeping you safe.

Read Daniel Gale Sotheby’s International Realty's commitment to fair housing for all.


Andrea Costa, CBR



I am here to help! On my website, you have the ability to search virtually every property for sale on Long Island and Queens. 

If you would like to talk with me to discuss the value of your home, need help in finding your dream home, or would like to see some properties that you have found, please contact me at 516-439-8211 for a confidential consultation. 


For more information on my background and qualifications, please see my bio.



I look forward to helping you!
With Warmest Regards,




Online Marketing Custom-Targeting

 Listing your house for sale with Andrea Costa and the Daniel Gale Sotheby’s International team gives your house an immediate advantage. You’ll receive a marketing plan created specifically for you and your house. Andrea’s strategic marketing skills will put your house directly in front of the right buyers with our custom-audience tools. Research has proven that 95% of all adults are using smartphones, so your marketing plan increases visibility to where your buyers are –– on mobile 24/7. Other high-end market advantages are always yours with the Daniel Gale Sotheby’s International Brand Advantage. 

We Have Offices All Around the World

Call 516.439.8211 to learn more about the Sotheby’s International Global Advantage.





Get your Home Value Today!