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Theresa DeSalvio GRI, CBR 516.526.1165

Maria Gigantiello CBR 516.457.5621


Theresa and Maria are a mother daughter team with 35 years of real estate experience.  They are both full time Realtors. 

Theresa has split her career servicing both Nassau and Suffolk Counties.  Theresa is a Graduate of the Realtor Institute (GRI) which is a mark of distinction that sets her apart showing her commitment to her industry and to her clients.  She has seen all types of markets and nothing can surprise her.  Theresa excels at negotiations and is always willing to go above and beyond to help her clients achieve their goals.  At the same time, she is extremely patient and understanding, and knows how to navigate through a transaction by bringing all parties together for a successful sale.  She became a Realtor to have the flexibility to be there for her children.  It wasn’t rare for Maria to follow her mom along to showings and to open houses.  This is where Maria learned the value of hard work, relationship building and a love for real estate.    

Maria graduated from Hofstra University with a Bachelor of Business Administration majoring in marketing.  She spent the first 15 years of her career as a corporate buyer.  Through this experience, Maria became well versed in international business practices as well as the art of negotiation.  With real estate running through her blood, her father also a Realtor of 30 years, Maria decided to take these skills to the real estate field.  Four years ago, Maria joined her mother to form a dynamic real estate team melding her background in business, marketing and technology with Theresa’s strong roots in the real estate market.  She quickly adapted to her new role and was chosen as Daniel Gale’s 2016 Rookie of the Year.  She is very detail oriented, analytic and result driven. She knows how important it is to be savvy with the latest real estate technology.  Whether it be the best real estate apps, social media, virtual home staging or digital marketing, she knows the best way to sell the features of your home, attract buyers and promote listings. 

Together, Theresa and Maria, are capable to handle whatever might come up during the marketing and sale of a property.  They both have the Certified Buyer Representative (CBR) certification and are experts in representing Buyers in a transaction.  They have a primary focus to always satisfy the customer and believe that listening to your client’s needs and providing continued communication are important keys to forming solid business relationships.

Theresa and Maria are very community minded.  They like to keep up with what’s going on in the towns they service such as new restaurants, developments, and attending community events.  They have a special connection to Veterans charities and are known in the community for lining the streets in their farm area with flags for Memorial Day.     


What is the Most Important Factor When Choosing a Real Estate Agent?

"Choosing an agent that is Honest and Trustworthy."

- Source 2017 NAR Home Buyer and Seller Generational Trends