About John Mangini
OTHER LANGUAGES
Specialties
- Buyers
- Sellers
- Residential Property
- Commercial Property
Awards
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2026
TOP AGENT
Warren, NJ
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View All Listings2026
Warren, NJ

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For this senior, single homeowner making a first home sale, John was the perfect choice. Having regularly received Johns data analysis mailings of the real estate market in Warren, I knew he had a deeply studied knowledge of home values. When my time to move arrived, I read his numerous client reviews as well. Now, post home closing, I can heartily verify the excellence expressed is definitely not overstated. Although visitors to my home regularly made positive comments, John aEUR~s recommendations for bringing it to market readiness yielded most welcome results. Contracts came in quickly from the well-attended Open House. In 2025s turbulent market, Johns extensive expertise and professional demeanor quickly gained my confidence. His willingness to help with the smallest details, thorough explanations of every step of the process, and quick response to my calls, confirmed throughout that I could not have made a better choice for a realtor.
John was an excellent realtor and a pleasure to work with throughout our home purchase. He was knowledgeable, responsive, and guided us through every step of the process with clarity and confidence. We always felt well-informed and supported. Highly recommend John to anyone looking for a reliable and trustworthy real estate professional.
John was very helpful & easy to work with. Selling process was explained clearly & all questions were addressed timely. Listing price was spot on ! & house sold quickly for more than asking. I would definatly reccommend John for all your buying/selling needs !
John Mangini did an outstanding job in selling our house. Johns knowledge, professionalism and guidance through every step in the process was truly remarkable. His recommendations with respect to listing price, house staging, marketing strategies and bid negotiations made him an invaluable resource. I will never buy or sell real estate without John in my corner.
John was very knowledgeable, professional and helpful in every possible way in selling our Warren home. He really went above and beyond providing help with his valuable resources. He even spent time with many trips to storage for us. The whole family was very grateful for John's help in making this selling experience a successful one.