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John Costanzo

John Costanzo
Real Estate Salesperson Licensed as John Costanzo

LaGrange 1100 Route 55, Ste. 201 LaGrangeville NY 12540
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As a full-time Real Estate Professional I am dedicated to providing exceptional service to all my client's. With my vast amount of knowledge in the real estate industry and of the Mid-Hudson Valley, I am committed to providing my clients with a transaction that is effortless and straightforward. I recognize and truly appreciate the trust my clients place in me and will strive to consistently exceed their expectations. My team at BHHS Hudson Valley Properties is the Mid-Hudson Valley's leading real estate firm, ranking number one in the Mid-Hudson Multiple Listing Service every year since 1992. Call 845-380-6097 or Email jcostanzo@bhhshudsonvalley.com for all your Real Estate needs.

GEORGE L. | POUGHKEEPSIE, NY Verified Seller
John was amazing to work with while selling my late father’s house. He made everything easy and was always kind and helpful.
November 04, 2025
LINDA F. | HYDE PARK, NY Verified Seller
John has been with me throughout my first purchase and now my first sale. He was always attentive, knowledgeable and responsive! He guided me, made sure I understood the process, and was the best person to have on my side! Thank you!
June 19, 2025
ESTATE OF M. | POUGHKEEPSIE, NY Verified Seller
I would and have already recommended John to others. I have worked with John before, and he's always willing to jump in and go the extra mile to see things through to completion!
June 01, 2025
M. | POUGHKEEPSIE, NY Verified Landlord
John is very knowledgeable with the real estate market. He is a very kind man and works very hard for his clients.
November 11, 2023
SYLVIA B. | FISHKILL, NY Verified Buyer
John makes it a priority to help his clients and is always immediately responsive when the client reaches out to him. I highly recommend John, as he is a true professional.
November 05, 2023
RYAN S. | POUGHKEEPSIE, NY Verified Buyer
John is always very professional and extremely helpful throughout the whole buying or selling processes. He has always answered any questions I’ve had in a very timely manner and is extremely patient. He doesn’t just treat you like a client, but more like a friend, which makes the experience go a lot smoother and takes a lot of the stress out of the equation.
September 16, 2023
CALDWELL M. | POUGHKEEPSIE, NY Verified Buyer
John is very attentive, knowledgeable and very hardworking! His communication and want to make the process as easy for his client is A1. I wouldn’t work with anyone else. John is the best at what he does!
June 21, 2023
Zillow Review Verified Client
From day one, John always made me feel like the sale of my parents house was an easy task. Lots of emotions involved for me and through it all John made me feel like he had everything under control and there was nothing he couldn’t take care of for me!!! One if THE best experiences I have ever had selling a house!!! John was a top notch agent and I would highly recommend him!!!
March 17, 2022
Zillow Review Verified Client
John is simply the best! This is the second time I have enlisted John in the sale of a house and both times John's expertise helped sell and close on the house. John assisted us navigate through any and all issues/concerns that arose from the buyer. Being out of the area during this process made it more difficult for us to be able to address issues ourselves but John stepped in and made sure that everything was fully taken care of.
February 05, 2022
Zillow Review Verified Client
Amazing realtor, hes very helpful and passionate in what he does, hes very informative and dependable, you can count on him to help you with any information you may need. would recommend him to everyone !!!
November 02, 2021


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    No listings found.

      • Open House
      • Price Reduced
      • New Listing
      • Pending
      • Contract Signed
      • Under Contract
      • Coming Soon
      • virtual Visit
      • In-Person Showing
      • Virtual Showing
      • Virtual Open House {{VirtualOpenHouseOn}}
      • Closed

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      No listings found.

        • Open House
        • Price Reduced
        • New Listing
        • Pending
        • Contract Signed
        • Under Contract
        • Coming Soon
        • virtual Visit
        • In-Person Showing
        • Virtual Showing
        • Virtual Open House {{VirtualOpenHouseOn}}
        • Closed

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        • {{Baths}} Bathroom Bathrooms
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        BHHS Listing
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        No listings found.

          • Open House
          • Price Reduced
          • New Listing
          • Pending
          • Contract Signed
          • Under Contract
          • Coming Soon
          • virtual Visit
          • In-Person Showing
          • Virtual Showing
          • Virtual Open House {{VirtualOpenHouseOn}}
          • Closed

          {{FullAddress}}

          {{FormattedPrice}}

          • {{Beds}} Bedroom Bedrooms
          • {{Baths}} Bathroom Bathrooms
          • {{FormatedSqft}}Sqft
          • {{PropertyTypeLabel}}
          • MLS#{{IdcMlsNumber}}
          • {{Status}}
          IDX Listing
          BHHS Listing
          {{ListingCourtesy}}
          Request Info
          Details
          Next
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