

About Svetlana
Svetlana and The McCarthy Group at William Raveis Real Estate has consistently been ranked number one in Northern Fairfield County and also ranks in the top 1% of Realtors in Northern America. We have developed a proven marketing system that earns our clients the highest selling price . Buyers also benefit from our years of experience in negotiating and real estate knowledge. Our goal is to exceed client expectations through care, respect and a superior level of customer service. Five Star Professional has recognized Svetlana and The McCarthy Group for the last 7 years as Top Real Estate Agents in CT.
#8 in Closed Units Company Wide and Closed Volume in CT 2017
#8 in Closed Volume in CT 2018
#7 in Closed Units in CT 2018
Five Star Realtor by CT Magazine from 2013 – 2019
Top Producing / Top Listing / Top Selling Agent / Chairman's Elite Club 2003 – 2019
Excellence in Customer Service 2003 - 20179
As a top producer for The McCarthy Group for the past 18 years, Svetlana Mastrogiannis has successfully combined her background in marketing with her outgoing personality, knowledge of the industry and her desire to work with people. Svetlana came to the United States from Russia in 2001, there she received her Master's Degree in International Marketing and Business. An experienced world traveler, Svetlana utilizes her knowledge of multiple languages in real estate. "I enjoy working with all different types of people and personalities," Svetlana says. "Listening and understanding their needs helps me find them their ideal home, which is very rewarding."
Transaction History
- 1 Year
- 2 Year
- 5 Year
Neighborhoods Svetlana Has the Most Experience In
Svetlana's Listings and Deals
Svetlana's Active Listings
Awards and Designations
- #5 Producing Team in CT #8 Producing Team Companywide Five Star Realtor by CT Magazine 2013-2019 Top Producing/Top Listing/Top Selling Agent 2003-2019 Sales Vice President, Chairman’s Elite Club 2007-2019 Excellence in Customer Service 2003-2019
- NAR - National Association of Realtors
Svetlana's Reviews
3/19/25Lynn Carlisle
I had a great experience purchasing my home. Everything went smoothly. These two worked together and with me. They negotiated swiftly. I definitely recommend
2/11/25Gregory Smith
I couldn’t have asked for a better experience during the stress of selling my family’s home and transitioning to a new residence. Svetlana and Kelly were so professional and kind. Five stars!
Dr. Smith
9/20/24Michael Aloisi
Svetlana and Kelley were absolutely fantastic throughout the process of selling my home, offering terrific insight and guidance from start to finish. They were both extremely kind, courteous, professional, and knowledgeable and did an excellent job at staging and managing the many showings. They were always available and great at communicating, keeping me informed, and quickly responding to any questions I had. They went above and beyond, and I would highly recommend them to anyone looking to sell their home. It was truly a pleasure working with them and a very positive experience.
