About Heidi Karagianis
HOBBIES/INTEREST
Credentials
LICENSE
Designation
Broker / Associate Broker
REALTOR
Awards
-
2026
TOP AGENT
Port Washington, NY
2026
TOP AGENT
Manhasset, NY
Available Listings View All

View All ListingsBroker / Associate Broker
REALTOR
2026
Port Washington, NY
2026
Manhasset, NY

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Heidi is everything you want in a real estate agent and then some. From day one, she was firmly in our corner, taking the time to truly understand our needs, educate us throughout what can often be a stressful and overwhelming process for first-time home buyers. She always advocated for our best interests from start to finish. What could have easily been an anxiety-filled house hunt instead felt clear, guided, and even empowering thanks to her. Heidi has a rare ability to turn stress into confidence breaking everything down step by step while keeping us informed, prepared, and always one step ahead. She is a true sharp shooter and go-getter who is very knowledgeable about the market. Her patience, attention to detail, honesty, and willingness to go above and beyond made us feel confident at every step. Just as valuable is her incredible network from attorneys and inspectors to electricians and trusted vendors, Heidi always knows the right person for the job. If youre buying a home, especially for the first time, Heidi is exactly who you want in your corner. We could not recommend her more highly.
Heidi was truly the best agent we could have hoped for when selling our Port Washington home of 58 years. She was exceptional at preparing us for the market and guided us through every step of the process, from the initial listing to the closing and beyond. Not only did we achieve a better-than-expected selling price, but her professional advice was invaluable throughout. What truly set Heidi apart was her empathy. Selling a long-time family home was an emotional journey for my elderly mother, and Heidi went above and beyond to understand our personal situation. She handled the emotional toll with as much care and expertise as she did the technical aspects of the sale. I cannot recommend Heidi highly enough; I wish every seller could have an agent of her caliber!
Heidi is the only realtor you should consider on the North Shore. She knows everyone in the market and has a strong instinct for reading the other side during a deal. She brings a calm, steady presence that makes it clear she has been through this many times and knows how to navigate every step. For us, what mattered most was how accessible she was and how effectively she handled both sides of the process. She helped us secure a challenging purchase below asking and guided us through an even more complex sale involving multiple escrows. She is a true professional from start to finish, and I would confidently recommend her to anyone buying or selling a home.
Heidi is absolutely amazing! As we welcomed a new baby into our family we quickly realized that we would need a larger home and footprint. We had Heidi over to check out what we did with our renovation since buying our house (also through Heidi). We started looking at some houses together and the rest is history. We found an amazing new home that we just closed on and Heidi found us the perfect buyers to move into our prior home. Heidi makes the process easy and manages it from beginning to end. We would recommend Heidi hands down to anyone!
Working with Heidi was an exceptional experience from start to finish. Her deep market knowledge, combined with an impressive breadth of clients and relationships with other brokers, made both the selling and buying process feel seamless and well-orchestrated. She provided many great insights, patiently listened, and served as a great sounding board along the way; making sure we were heard and understood at each step. Most importantly, she consistently advocated for our best interests helped maximize financial outcomes on both sides of the transaction. I couldnt recommend her more highly to anyone looking for a trusted advisor who delivers results with ease and professionalism.
We first met Heidi Karagianis when we relocated to Port Washington, Long Island in the winter of 2025, and from day one she was exceptional. Heidi helped us secure a wonderful rental apartment, making what could have been a stressful move completely seamless and stress-free. Throughout our time in Port Washington, Heidi stayed in close contact, was incredibly responsive, and always patientaEUR"even when we sent her for-sale listings almost daily. When the time came to buy, she truly shined. Heidi found us the perfect home and expertly navigated the process, working professionally and ethically with both us and the sellers (as she represented both parties) to broker a fair and successful deal for everyone involved. Heidi is knowledgeable, trustworthy, and deeply familiar with the Port Washington and Long Island real estate market. Most importantly, she genuinely cares about her clients. We cannot recommend Heidi Karagianis highly enoughaEUR"shes not only an outstanding realtor, but shes become a friend through this journey. If youre looking for a top-tier real estate agent on Long Island, Heidi is the one to call.
I literally cannot be more appreciative of Heidi. She stuck with us for FIVE YEARS while we tried to find a house that fit our needs. She was incredibly supportive during the more frustrating times, always responded right away to my texts and calls, never gave up on us, and always told us the truth about properties. I would recommend her to anyone and everyone. She is the best!!
Heidi did an excellent job selling our house. She has extended knowledge about our neighborhood which excel in the process of our house. She was kind, friendly & gave me good advice whenever I needed. I'm highly recommend Heidi to anyone looking to buy or sell a house.
Excellent experience with Heidi. Heidi is an experienced and knowledgeable broker. She has decades of experience and works in your best interest all of the time. She has a great sense of timing and instinctual feel for how to display a home to achieve the greatest value. Super easy to work with.
Heidi is an outstanding excellent realtor. She is the most accomplished realtor I have worked with ,not only is she an expert in all aspects of selling a home, Heidi is always available. i have worked with many realtors throughout the years and she is hands down the very best! I can't say enough about how positive my selling experience was .
We are in the perfect house for us because of Heidi! After casually meeting at an open house, talking for almost and hour, and taking her business card, it was within the next hour that we called her asking to help us put an offer on a house. As millennial first time homebuyers, we were not at all prepared to put an offer in, but she was incredibly patient and consultative with us as we scrambled to get our paperwork together to put an offer in. While we lost the first offer due to an overly competitive situation, we gained Heidi as our partner and agent over the next few months in our search. Heidi took us under her wing from then on and not only showed us houses before they were listed, but also helped us fall more in love with Port Washington with her local recommendations and knowledge. Just at the point when we were about to lose hope and pause our search for when the market was more favorable, we got a call from Heidi saying, "I found YOUR house come out and see it NOW." We were initially hesitant as the house was slightly over our budget, but had learned at this point that when Heidi tells you do to something, you do it! So took the train out from Brooklyn to see the house. Once again Heidi was right aEUR" the house was perfect for us. Trusting her guidance and judgement, we put in a below-ask offer which, from her relationships and negotiation skills, was accepted and we got OUR house at a price we could manage. Not even a year from when we first met Heidi, we are now in a wonderful house and can proudly call Heidi our agent, neighbor, and friend. Heidi is the best in the biz, and you would be remiss not to choose her as your partner in the real estate buying process. We are grateful!
Heidi did a great job of steering us through the process of selling our home. She got us moving early to get the house ready to put on the market, including minor touch-up projects to increase the houses appeal and making sure that issues that might surface later (such as open permits) were addressed at the outset. She also had great ideas for putting the house in its best light when it came time to start showing it. She showed a broad and deep understanding of what buyers in our market are looking for and how to position a house in the best way to appeal to them. Heidi was highly organized and ran a very disciplined process, which helped us to stay on track. Her pricing advice was right on, and ultimately we got a very good price for the house.
Heidi helped us find an amazing rental and then our first dream home. We are so grateful! We seriously could not have done it without her. She does more than just show you a house - she offers great insight and she really knows Port Washington better than anyone else. This is very important when buying your first house and moving to a new area. You will be very lucky to have Heidi on your side. She is so much more than a real estate agent - she truly cares about her clients and wants them to find their perfect home.
When we decided to sell our house we were terrified and had no idea how to even start. We already knew that Heidi was incredibly motivated and very good at her job, but as soon as the journey began we quickly realized just how extremely fortunate we were to have her steering the ship. Heidi's experience, knowledge, expertise, boundless energy, and understanding of every aspect of the process was extraordinary. Heidi created and a plan & outlined a schedule, and with clear communication every step of the way, she simply did not stop until we had achieved our goal. And she was 3 steps ahead of any curveball that was heading our way, and had the vision to adapt and make decisions that needed to be made to keep us moving toward the finish line. Also, in the middle of it all, she was able to find us our next magnificent home in a very tight rental market. In my opinion, Heidi is a master realtor, and in addition to the exceptional results that she delivered, it was astounding to watch her expertly navigate this process - Absolute 5 stars!
Heidi is the best!! She is more than a realtor. She will stage your home, research and perfect the pricing. She will get you top dollar. She leaves no detail to chance. She hustles to get many people in the door. She sold our house in one weekend. Can't be happier. On the buy side, she is patient, never pushy. She really wants you to find your dream home.
I couldnt believe how fast and seamless the sale of our house was! On top of that there were so many offers we recieved within 48 hours over ask and they kept rolling inaEUR|.
Heidi is just the best. We have worked with Heidi for years and she has always provided great advice and support. She knew precisely what we were looking for in a new home and guided us through every step of the process of selling our home. Heidi puts her heart and guts into every part of the process and made us feel like we were her priority. We could not buy or sell our home without her.
Heidi is the best! She is extremely knowledgeable about the local real estate market and a pleasure to work with! She is patient, responsive and understands exactly what her clients are looking for. No matter what your budget, you are in good hands with Heidi!
I would highly recommend working with Heidi! She took the time to show us the entire area and educate us on different neighborhoods. As first time home buyers, she was always accessible to answer questions and help us with the process.
When our sister passed away, my brother and i had the difficult job of selling her house. For months we discussed all the things we needed to do, but we never really had a clear path to move ahead. When we first met Heidi, she came with detailed plans for hiring contractors, to get the house ready for listing in a short time. Shes a powerhouse of positivity and enthusiasm. The process was made more challenging by the fact that we live in a different state from where the house is, but Heidi took charge and set everything up for us. You can tell she really cares about the people she is working with. I cant imagine a better real estate agent.
Heidi is the absolute best!! Her knowledge of the market is top notch and she wont stop until you have your dream house. We have worked with Heidi for our last two houses and she is professional, knowledgeable, honest and a pleasure to work with. She secured us our current house after there was an accepted bid with another seller, we were beyond
Heidi helped us secure a home in the Port Washington region in a very tight buyers market. She kept us apprised of where our bid stood without compromising the sellers position. She was pleasant and full of information. She gave us local recommendations, including painter, etc, which we used and were very happy with. I was impressed when she went to the Town of North Hempstead of her own accord to make sure everything was permitted properly and to secure a survey. We have never had a realtor extend him or herself as much as Heidi did. Would recommend her without reservation and would consider using her for future real estate transactions!
Heidi is incredibly knowledgeable of the local market and overly generous with her time and attention to all her clients. As a first time home buyer, she made the process very seamless from open house to closing. Always immediately responsive and took the time to answer every question my wife and I had, both during the house hunting process and after we moved in. Thank you Heidi!
My son sold his 2-family investment house with Heidi and was so pleased he enthusiastically recommended her when it came time to sell our family home after 40 + years. She came over, walked through and immediately was full of ideas how to get us the best price in the current market. We agreed to give her complete control of setting the price and prepping the house for sale. To cut to the chase, we sold our home the first day of the open house and got over the asking price. I can?t recommend her any higher.
I worked with Heidi on my recent home purchase in Port Washington. She was knowledgeable, responsive and went above and beyond to help my family purchase our first home. I could not recommend her more!
We were so lucky to work with Heidi to find out first home. Not only is she professional, responsive, and knowledgeable, she made us feel supported and comfortable every step of the way. She is an absolute expert and was able to guide us through every step of the process. She responded to our every call, day and night, and kept us updated during nerve racking moments throughout our journey. We couldnt recommend her more!
We are so lucky to have found Heidi to represent the sale of our house. She is not only innately aware of the area but also how to best price, stage and ultimately sell your home. Heidi is a hustler and goes above and beyond. From bringing in an amazing photographer and cleaning crew to truly understanding each home and how to best position it for the current market. We very much appreciated Heidi?s communication from scheduling showings, feedback and offers; always ensuring we knew what was going on. She was able to get us multiple offers and ultimately sold our home over ask in a weekend. Heidi is an amazing person who produces fantastic results and we could not have been happier having worked with her. We would hire her again and again whether we were looking to buy or sell.
There is no one better in navigating the Port Washington real estate market than Heidi Karagianis. She represented us in the sale of our home and priced it perfectly. We held our breath, made all of the changes she recommended and sold the house, over asking, in 5 days. Shes tapped in to the market on a constant basis and, works with an incredibly capable team (painter, contractor, roofer etc) who were able to transform our home in less than 3 weeks. Shes trustworthy, intelligent and will fight for you.
We loved working with Heidi. She knew exactly what we wanted from the start, and worked with us honestly and diligently. She always made herself available no matter the day or time. Heidi took a very stressful situation for us and turned it into a success story!
Heidi was easy to work with and very professional. We met with Heidi a few months before listing our home. She walked us through all the steps of preparing the home and gave us an idea of what the value of our home was in the current market. She stayed in close touch as we prepared our house for sale. She created wonderful marketing materials, as well as video and photo shoots, to help best promote our home. She was available 24/7 for questions and concerns and thoughtfully guided us along the way. I would highly recommend Heidi to work with to sell you home. You will be in great hands and will good guidance and top effort to get you the best price for your home. Thank you for helping us move onto the next adventure!
Working with Heidi is a real pleasure. With first hand experience, its crystal clear why shes among the top producers in this area. We decided to work with Heidi primarily based on her track record in sales of homes in our price range, where she stands out in a crowded field. From the first meeting, the energy, knowledge, taste, and resources she brings to the table was immediately evident. The preparation for staging the house was executed meticulously, with numerous items she brought in which transformed the appeal. She worked relentlessly with her photographer to ensure the pictures capture the character and charm of the house in full details. All her hard work delivered the results in the multiple offers we received up to asking price. Her experience and attention to details also played a major part in ensuring the process went as smooth as possible from the beginning to the end. It really brought piece of mind knowing we can depend on her to help us make the right decisions throughout the process. Overall we couldnt be happier with Heidi in the sale of our house, and would most highly recommend her with no reservations. Just know, when you work with Heidi, youre in good hands.
We would not have found our new home without Heidi! As we were new to both looking for a house and the neighborhood, Heidi was invaluable to us with her breadth of knowledge, honesty, guidance and connections. She listened to exactly what we wanted and set realistic expectations for us and our targeted search. When it came down to negotiating, Heidi was our champion and got us our price. She is the most respected agent in the area and is a pleasure to go on this stressful journey with.
We loved working with Heidi. She is knowledgeable, diligent, straightforward and honest. She sold our house quickly, painlessly and over the list price. We would use her services again and recommend her most highly and without reservations.
We loved working with Heidi. She is knowledgeable, diligent, straightforward and honest. She sold our house quickly, painlessly and over the list price. We would use her services again and recommend her most highly and without reservations.
Heidi comes prepared! At our first meeting, she not only brought market comps, but as the leading real estate broker in the community, she shared first hand knowledge of the types of buyers that would be interested in our home and a game plan of how best to prep our home to maximize interest. Heidi drew up a game plan, including a room by room review of what to get rid of before we listed the house, what colors to paint the rooms and what furniture, art, plants, etc. she had in her personal collection to best stage each room. Heidi has a list of contractors and vendors to handle any work needed, each of whom was equally responsive. Teaming with Lisa Ruggiero, the two are an incomparable duo. Each brings an artistic and pragmatic eye for detail and a first hand knowledge of the market, interested buyers and their brokers that is incredibly impressive. When the house was ready to show, Heidi previewed it to a select group of buyers who she knew it would appeal to and who she knew were looking for a home like ours. We sold our house, above our listing price before even having an open house. We were relieved not to have to have lots of people coming into our home during the pandemic. We couldnt have asked for a better outcome. This is the 3rd home we sold in the community and Heidi stands head and shoulders above the field. Couldnt recommend her more highly and if you are fortunate to have BOTH Heidi and Lisa represent you, consider yourself incredibly fortunate. We do.
Heidi was so patient with us at all times. She was never pushy and allowed us to go through the process at our own pace. Very responsive and knowledgable about the market. When we found the house we wanted she guided us through the process seamlessly as it was our first home purchase. Highly recommend!
Heidi is great to work with! She is knowledgeable and supportive. She guides you through the entire process and gets the job done!!! We highly recommend using her.
Heidi was amazing in every respect. Her knowledge of the housing market is vast and there was never a moment that I felt I was not in the most capable hands. The process was smooth from the listing until the closing. Look no further for a broker.
Heidi is professional, knowledgeable and knows the current market. She listed and sold our house in 3 days. She was spot on about pricing, staging and showing our property. Heidi always had our best interest as her focus and we trusted her. We recommend her without reservation. A five star professional
Heidi is a unicorn in the real estate world! Not only is she an amazing real estate agent, but she is truly your friend from the minute you meet her. She cares about getting the right home for you and is there to support any decisions you make/offer counsel if you need it! Heidi knows her inventory very well, learns your preferences very quickly and is spot on in her listing recommendations. Heidi fought tooth and nail to get us our dream home in a very short time during COVID. She is a master negotiator and will fight for you just as if she was buying the home for herself. She will never pressure you to make any decisions, but will give you very realistic advice about timelines and properties. Bottom line: Heidi GETS IT DONE with a smile and give 110% to each client! If youre going to make such a big investment, go with the best agent there is!
I would not be living in my dream home were it not for a serendipitous chance meeting with Heidi Karagianis. I first crossed paths with Heidi at an open house back when my fiance and I were just starting to look. We knew we wanted to be in Port Washington, and at the same time, I knew exactly what I was looking for. Even still, I entertained all types of open houses to get a feel for the market. My fiance signed the guest book at that open house (which ironically was around the corner from what would be our home in Beacon Hill). Heidi promptly followed up with a combination of confidence and professionalism that stood out to me immediately from other agents. Being in sales myself, I was immediately attracted to her assertive and overall cool-can and WILL do attitude. It was clear to me this was an established and successful agent who was going to find me my first home. When we were ready to get serious, I contacted Heidi and detailed to her exactly what I was looking for; outlined must haves, wish list, timeline and budget. I even sent her a mood board with pictures! What happened shortly after is the stuff of real estate magic. In true cinematic form, she sent me ONE photo of a house that was coming for sale down the pipe. I didn?t tell her at the time, but the moment I laid eyes on it I knew it was the one (or at least I hoped it would be!) In this highly desirable and competitive market, you want to set yourself up with someone experienced and deliberate. Stumbling upon Heidi at that open house was certainly chance, but my decision to work with and trust her with this monumentally important task was not. From start to finish Heidi was transparent, communicative, trustworthy and most of all, efficient. Heidi conducts business with professionalism and integrity. She understood our needs and delivered. In short, when anyone is looking for recommendations for an agent, I always respond with??If and when you want to get it done, call Heidi.?
Weve had the pleasure of working with Heidi on 3 deals over the last 5 years and without any doubt, she is hands-down the best in the industry. She is honest, sincere, and extremely motivated to do right by her clients. Heidi is always thinking a few steps ahead of everyone else. Her knowledge of the market is unmatched. She knew exactly when to list our house and exactly the price-point to list it at to maximize our return. Her network and relationships helped to find our forever home in a time when inventory was extremely low and all hope of finding a home was lost. Heidi goes above and beyond, sharing all of her resources with us as we embark on construction, too. The best of the best!!!
Heidi worked with us to sell our Port Washington home. She was always sensitive to our wishes and needs to get thru what is always a stressful process, for any home owner. We put complete trust in Heidi and she came thru 100%, meeting all our expectations and needs. I didn?t know Heidi before 1st meeting her to sell our home and can now fully recommend her. Not only did she sell our home, but she found the buyer, so my advise to anyone looking to buy or sell a house in 11050, is to consider Heidi before deciding on a realtor.
Heidis reputation as the best realtor in Port Washington is certainly well-deserved. She is a consummate professional. She made the whole process, from marketing the house to closing , easy and stress-free (even during a pandemic). I cant say enough great things about Heidi. I highly recommend her!
Heidi?s selling price analysis was an exercise in which her knowledge of the neighborhood provided exact insight into this market. She knew exactly how to market my home. As a result of her extremely talented staging ability the pictures in my listing made me almost regret selling my home. After a successful open house Heidi called me just several days after with an offer well above our asking price. I put my total trust in Heidi and highly recommend her as your realtor.
We have worked w Heidi as both a buyer and a seller. She treats her clients as though they were her only client. Heidi is incredibly knowledgeable about the market and the Port Washington area and was able to provide insightful advice throughout the process. We were so grateful to work with her as we closed on our dream home and sold our current home on the same day (in the middle of a pandemic)! We couldn?t have done it without her!!
Heidi is great. Very professional and patient and has excellent market knowledge We had a seller that was very unreasonable and she worked diligently with the other agents to come to an amicable agreement
Heidi helped us find the right house for us and walked us through all the things to know. Heidi goes above and beyond for her clients and was always available for us to help out or answer our questions. She?s a pleasure to work with!!
I have worked with Heidi for many years and she has been fantastic. She is reliable , responsive and most importantly honest. I highly recommend her for anyone looking for representation.
Heidi is an extraordinary, bright and impressive realtor; leagues above the rest. Her knowledge of real estate, coupled with her insightful views on people, enhanced by her tenacity has made her a powerhouse. She knows the market well and seizes the perfect moments to sell. I recommend Heidi without reservation, she provided masterful service and support from start to finish!