Service Areas
About Sari McGuinness
Credentials
LICENSE
Specialties
- Buyer's Agent
- Commercial Properties
- Listing Agent
- Residential Real Estate
Awards
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2026
TOP AGENT
East Brunswick, NJ
2026
TOP AGENT
Monroe Township, NJ
2026
East Brunswick, NJ
2026
Monroe Township, NJ
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I could not be more grateful Jennifer was our Realtor. She helped us sell our condo in New Brunswick, NJ, and although we thought the process would be straightforward, it was anything but! There were issues with the HOA, with paperwork, with the attorney review process, with inspections, until we were on the verge of giving up. But Jennifer remained steadfast, used her expertise to get us over every hurdle, held our hands, provided support, and did it all with such a positive attitude. She walked us through every setback, and in the end, we made our closing date with a great price. I truly believe we got to the finish line due to her proactive approach and expert knowledge. If you are selling or buying, I think you would be very lucky to have her as your Realtor.
When we met Jen it was the perfect fit for us to have her as our realtor. From day one the amount of insight and clarity she brought to the whole process of both buying a new house and selling our current house was exceptional. Even in the most stressful times during the process Jen found a way to reassure and make us feel confident in our decisions. We couldn't have been happier choosing Jen as our realtor!
Mahbubul Karim made the entire process seamless by doing all the hard detail work. We first worked with him on a house purchase and were so satisfied we asked him to handle a subsequent house sale for us. If theres another real estate transaction in the future hell get the first call
Karim is a fantastic realtor. From the moment we first chatted to the final confirmations of the sale, Karim has been hands-on, communicative, and dedicated. If you want a realtor that is prepared and ready to tackle every part of the process, call Karim!
There aren't enough praises for Mr. Mahbubul Karim. He provides true top tier service when it comes to finding homes and working with clients until they are able to find what they are in the market for. If anyone is looking for a true dedicated real estate professional, look no further. Mahbubul Karim is the obvious choice. Thank you Mr. Karim for your hard work and personable approach to making my home search a true breeze. I might just have to buy a second home to get the opportunity to work with you again!
If you're looking for a realtor who is knowledgeable, responsive, patient, and truly advocates for her clients, I highly recommend Jennifer Repka. This is actually the second time our family has worked with Jennifer. She previously helped my stepson find and purchase his dream home, and we were so impressed with her professionalism, dedication, and results that there was no question who we would call when it came time to help my son purchase his first home. Simply put, we wouldn't trust anyone else. From the initial property search through closing, Jennifer was there every step of the way. As this was my son's first home purchase, there were many questions, decisions, inspections, negotiations, and unexpected issues that arose throughout the process. Jennifer consistently took the time to explain each step, provide sound guidance, and ensure that no detail was overlooked. What impressed us most was her responsiveness, communication, and commitment to her clients. She remained actively involved throughout the transaction, helped coordinate inspections and scheduling, navigated negotiations, and continued to assist with questions and follow-up matters even as closing approached. When issues arose, Jennifer was proactive, resourceful, and always focused on achieving the best possible outcome. Despite the many moving parts involved in the transaction, Jennifer helped keep the process moving forward efficiently and played an important role in facilitating a smooth closing within approximately 30 days. What truly sets Jennifer apart is that she doesn't simply facilitate a transactionaEUR"she remains engaged throughout the entire process and consistently advocates for her clients' best interests. Even after closing, she continued to assist with follow-up matters and helped address an issue involving a seller credit to ensure it was properly resolved. That level of commitment speaks volumes about the type of professional she is. In an industry where some people may make you feel like just another transaction, Jennifer makes you feel like family. She genuinely cares about her clients, takes pride in helping them succeed, and works tirelessly to ensure they have a positive experience and the best possible outcome. We are incredibly grateful for Jennifer's hard work and support in helping make my son's first home purchase a success. If you are searching for a realtor who is trustworthy, attentive, knowledgeable, and truly invested in her clients, Jennifer is the person you want on your side. Thank you, Jennifer, for helping our family achieve another homeownership milestone and for making the experience such a positive and memorable one.
Working with Jennifer was one of the best decisions we made during both our home-buying and home-selling journey. Four years ago, when we were searching for a home, she patiently guided us every step of the way aEUR" not just as a realtor, but almost like a trusted friend taking us by the hand through an important life decision. She listened carefully to every detail of what we wanted, searched diligently, and never made us feel rushed or pressured. Her responsiveness, professionalism, and genuine care gave us tremendous confidence throughout the process. Years later, when a job relocation required us to sell the same home, she once again went above and beyond. Since the house was vacant, she took care of countless details on our behalf and handled everything with incredible dedication and accountability, giving us complete peace of mind during a stressful transition. What truly sets her apart, however, is that her relationship with clients does not end at closing. In a world where many transactions become purely business, she continues to stay connected through thoughtful check-ins, greeting cards, and genuine care long after the deal is done. That personal touch speaks volumes about her character and the pride she takes in building lasting relationships, not just completing transactions. Theres a saying: aEURoePeople may forget what you said or what you did, but they will never forget how you made them feel.aEUR? That perfectly describes our experience with her. Its a no-brainer that we would work with her again anytime we get the opportunity, and we wholeheartedly recommend her to anyone looking not only for an exceptional realtor, but for someone who truly cares about her clients.
Just closed a house with Jon! Jon patiently worked with me through a challenging tenant, getting the house ready, inspected, listed and sold. He was very responsive and professional, and his support was tremendous especially managing this sale remotely. Can't thank him enough!
Sublime! Jen was recommended to us from a friend and we couldn't have had a more supportive and knowledgeable realtor to help us through the daunting process of being first-time homebuyers. I'd like to particularly note that I was seriously impressed with her consistent and communication and availability, even during late nights and weekends. Take a break, Jen! :) Overall rating - the process itself wasn't smooth - to be expected - but Jen made sure we had all the information we needed at each step and made sure to provide us with the pertinent information for any of our many questions. She gets 5 big booms ?? - Gill and Steve
We recently had the pleasure of working with Karim as our listing agent, and we cannot speak highly enough of the experience. From start to finish, Karim demonstrated exceptional professionalism, expertise, and integrity. His honesty and commitment to his clients were truly refreshing in an industry that can often feel overwhelming and impersonal. Throughout the process, Karim consistently went above and beyond to ensure that the sale of our home ran smoothly and efficiently. His strong support network and strategic insight were instrumental in securing a timely sale at a good price. What truly set Karim apart was his dedication to not only achieve results but also make us feel informed and supported through every step of the way. If you are looking to buy or sell a home, we highly recommend Karim without hesitation. We are grateful for his guidance and look forward to the opportunity to work with him again in the future.
My familys home search began during, and was challenged by, the Covid-19 pandemic. As with many others, challenges such as inflation, low inventory and high competition made our journey extremely difficult which resulted in over 60 unsuccessful offers. Our family knew of and was friends with Jon Adler for several years before we decided to contract with him as our realtor. As such, Jon was very familiar with our familys needs and wants. This knowledge really helped narrow and focus our search endeavors. Other great benefits, which would eventually prove to be instrumental in us eventually finding our home, was Jons expertise of the local market, his outstanding reputation amongst other realtors and uncanny ability to negotiate deals while still remaining calm under pressure. It has now been several months after the closing of our home and we still appreciate Jons commitment to customer satisfaction. Even beyond the sale, Jon has provided helpful homeowner recommendations and referrals which is probably why so many homeowners return to Jon for future business. Our family would certainly recommend Jon Adler as an exceptional realtor and we know you will too!
Selling our home while being out of state in Florida was a daunting task, but Karim made the entire process seamless and stress-free. From the very first remote meeting, he walked us through his strategy with confidence and clarity, instantly earning our trust. Karim went above and beyond in preparing our home for listing, and we were truly impressed with the effort and attention to detail he put into it. He followed through on everything he promised and kept us informed every step of the way, which was incredibly reassuring since we werent physically there. His dedication, hard work, and outstanding negotiation skills helped us secure the best possible price for our home. We couldnt have asked for a better experience and highly recommend Karim to anyone looking to sell their home!
I had the pleasure of working with Brother Mahbubul Karim to find our dream home. As first-time homebuyers, we had very little knowledge of the process, but he made everything so much easier by being there every step of the wayaEUR"answering our questions, explaining the details, and ensuring we were comfortable with every decision. He is friendly, professional, and incredibly knowledgeable. I would highly recommend him to anyone looking to buy or sell a home. Thank you for making our dream a reality!
Mahbubul did an amazing and outstanding job with the sale of my property. He was very helpful from day 1 and I felt supported through every step from the listing to the final closing. It was a great experience working with him and he also assisted in the purchase of my new home.
Excellent knowledge of local market and guided us throughout every step with patience and diligence as I was a first time buyer. Would highly recommend his services to anyone.
We had an excellent experience working with our realtor for the purchase of our home at 4 Jefferson Dr, Piscataway. From start to finish, he kept us informed every step of the way, ensuring we understood all the details involved in the process. Unlike our previous realtor, who seemed more interested in rushing the sale to make a quick commission, this individual genuinely cared about our needs and never pressured us into making a hasty decision. His honesty and dedication to our best interests were evident throughout the entire transaction. We felt confident knowing that he was on our side, protecting us from any potential pitfalls. He made sure we werent left in the dark about anything, giving us peace of mind during what can often be a stressful experience. If youre looking for a trustworthy realtor who puts your interests first and isnt just focused on closing a deal, I highly recommend him. Hes a genuinely kind person who goes above and beyond to ensure youre making the right decision. We couldnt be happier with our new home and the service we received.
Very professional and competent. Listened to our needs and preferences. Guided us through the very complex process of purchasing a home. Highly recommend.
Dedicated to her clients. Good communicator. Hard worker. Helped us to set the house and move furniture around. Knew the community and area. Highly recommended.
It was my first experience for buying a house and I had little to none knowledge about the processes, steps, requisties etc. I have heard stories from friend and relatives about buying process; such as how time consuming, tedious and tough it is. So I was bit nervous about diving into this joruney. But having Pratima on my side and handling my case. She made the entire processs smooth and seem so easy. She was understanding and thorough in all communications and never hesitated to explain herself when clarification was needed. She went above and beyond to provide exceptional client service.A A Thank You pratima once again for your above par service. Your professionalism and kind manners are very much appreciated, especially for first-time home buyers.
It was my first experience for buying a house and I had little to none knowledge about the processes, steps, requisties etc. I have heard stories from friend and relatives about buying process; such as how time consuming, tedious and tough it is. So I was bit nervous about diving into this joruney. But having Pratima on my side and handling my case. She made the entire processs smooth and seem so easy. She was understanding and thorough in all communications and never hesitated to explain herself when clarification was needed. She went above and beyond to provide exceptional client service.A A Thank You pratima once again for your above par service. Your professionalism and kind manners are very much appreciated, especially for first-time home buyers.
The most important thing is that from the first moment my wife and I felt that Judi is 100% loyal to our interests. She did not hesitate advising us against a house that from her experience was not a very good deal for us, and she definitely knew how to negotiate for the house we eventually set our eyes on. All while being very pleasant and extremely professional at the same time. Highly recommended!
Terrific all around professional..Robert is the one to call when you are of help regarding real estate deal. He was very prompt to my response , and delivered as promised. He does out of his way to help. Extremely knowledgeable in the field.
Bob Layton was our advisor in the purchase of a new home. He is extremely knowledgeable, understood our goals, and directed us to the perfect house. We can highly recommend hime.
He help us through some difficulty that we had. Was up front and honest from the start. He was patient and considerate of our needs. Always had a positive attitude. Very informative and had the answers that we needed every time we had a question
I am investor and finding an agent that understands both the residential market and investment side of things is great. Not only that but she is willing to go to battle for a client which unfortunately some times is needed. I will be using Marie again, in fact she is helping me now find a home for my family.
Excellent knowledge of local market; accommodating with my schedule for open house and appointment showings. Jennifer caught and solved problems at closing.
I have known Jennifer for over 30 years. She helped us sell our first home. She was extremely knowledgeable in the entire process and I would absolutely recommend her as an outstanding agent.
I have worked with agent Jennifer Geist for many years. She always goes the extra mile and has not only helped my family personally but the people whom I have recommended to her. She is an excellent agent.
Jennifer Geist Is a very experienced real estate agent. She has been in the business for a number of years. Her knowledge of the area is outstanding. She listen to what the client wants and works hard to help them find their dream home.
I have known Jennifer for 26 years. She has helped me and my family with our home purchases. She is very honest, reliable, attentive, very patient and always finds exactly what you need. I recommend her to everyone I know.