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Katherine Giouvalakis

Douglas Elliman
4.935 reviews
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Recent Sales

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  • $1,130,000
    5 bd4 ba3,189 sqft Setauket, NY
    5 bd4 ba3,189 sqft
    Setauket, NY
    Sold 2 months ago
    Buyer
    8 Brandywine Drive, Setauket, NY, 11733
  • $765,000
    3 bd1 ba1,268 sqft Smithtown, NY
    3 bd1 ba1,268 sqft
    Smithtown, NY
    Sold 2 months ago
    Seller
    43 Dale Lane, Smithtown, NY, 11787
  • $1,210,000
    4 bd3 ba2,800 sqft Dix Hills, NY
    4 bd3 ba2,800 sqft
    Dix Hills, NY
    Sold 5 months ago
    Buyer
    10 Sarah Drive, Dix Hills, NY, 11746
  • $819,000
    3 bd2 ba1,732 sqft Riverhead, NY
    3 bd2 ba1,732 sqft
    Riverhead, NY
    Sold 1 year ago
    Seller
    55 Tyler Drive, Riverhead, NY, 11901
  • $750,000
    5 bd2 ba-- -- Oakdale, NY
    5 bd2 ba-- --
    Oakdale, NY
    Sold 2 years ago
    Seller
    28 Dale Drive, Oakdale, NY, 11769
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3
Sales last 12 months
79
Total sales
$270K-$1.2M
Price range
$758K
Average price

Get to know Katherine Giouvalakis

Licensed Associate Broker

Certified Luxury Home Marketing Specialist, Member of Institute for Luxury Home Marketing, CLHMS, GUILD

Sponsor, Certified Mentor, Express Offer Certified, Top Producer, President's Circle

Katherine is a life long resident of Long Island selling Luxury Properties in New York and South Florida. She is focused on delivering quality service, integrity and trust. She is able to provide superior service in all aspects of residential real estate. Spec...

Specialties
Buyer's AgentListing AgentRelocationFirst Time HomebuyersLuxury Homes
28 Years of experience
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Katherine Giouvalakis's sales and listings (79)

This map and property list shows the most recent 100 sales and 100 listings

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Sold (79)

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Katherine Giouvalakis's reviews (35)

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  • 5.0
    • 8/28/2025
    • • user00101489

    Sold a home in 2025.

    Katherine was a pleasure to work with. She always keep me informed on when she was showing the home as well as helping me understanding the different offers. She was ab...
    Katherine was a pleasure to work with. She always keep me informed on when she was showing the home as well as helping me underst...
    5.0
    • 2/15/2025
    • • klhuhn21

    Sold a home in 2025.

    Katherine is the ultimate professional where real estate is concerned. She was in constant communication with me, set up and attended open houses providing potential buye...
    Katherine is the ultimate professional where real estate is concerned. She was in constant communication with me, set up and atten...
  • 5.0
    • 9/23/2024
    • • Karin Larson

    Sold a home in 2024.

    Katherine was incredible from start to finish. She went out of her way, above and beyond, to help my sister, who has some special needs, get herself organized and packed...
    Katherine was incredible from start to finish. She went out of her way, above and beyond, to help my sister, who has some special...
    5.0
    • 1/11/2024
    • • rj80829

    Sold a Single Family home in 2024 in Commack, NY.

    Katherine was a pleasure to work with. She is honest, friendly, very accessible & extremely knowledgeable. She sold a house for me that needed a lot of work & she managed...
    Katherine was a pleasure to work with. She is honest, friendly, very accessible & extremely knowledgeable. She sold a house for me...
  • 5.0
    • 8/23/2023
    • • lucyzem06

    Sold a Single Family home in 2023 in North plainview, Plainview, NY.

    Katherine did an excellent job in the sale of our home. Her marketing was top notch. From the photos, to the drone pictures, to the virtual tour of our house, it attrac...
    Katherine did an excellent job in the sale of our home. Her marketing was top notch. From the photos, to the drone pictures, to ...
    5.0
    • 8/5/2023
    • • nickdoukakis

    Bought a home in 2023.

    I had an amazing experience working with this Katherine! Their expertise and dedication exceeded my expectations. From day one, they listened attentively to my needs, gui...
    I had an amazing experience working with this Katherine! Their expertise and dedication exceeded my expectations. From day one, th...
  • 5.0
    • 7/31/2023
    • • katerynabakhnak

    Bought a home in 2023.

    We truly enjoyed working with Katherine. She was very knowledgeable in the current housing market. After describing to her our dream house she was able to pin point a num...
    We truly enjoyed working with Katherine. She was very knowledgeable in the current housing market. After describing to her our dre...
    5.0
    • 10/8/2022
    • • emh536rn

    Bought a Single Family home in 2022 in Huntington station, NY.

    Katherine made the whole process of buying the house for my mom which can be very stressful very smooth. Also sold her home which went very well too. I would recommend h...
    Katherine made the whole process of buying the house for my mom which can be very stressful very smooth. Also sold her home which...
  • 5.0
    • 9/18/2022
    • • kennedymr

    Sold a Single Family home in 2022 in Huntington, NY.

    Katherine is a highly motivated agent who is determined to do whatever it takes to sell your home. She properly evaluates your home and comparable past and current sales...
    Katherine is a highly motivated agent who is determined to do whatever it takes to sell your home. She properly evaluates your ho...
    5.0
    • 7/5/2022
    • • Sung Cho

    Sold a Single Family home in 2022 in Smithtown, NY.

    Katherine is the best realtor! Katherine provided the perfect service to sell our home. She began with a detailed home evaluation and marketing plan. She is professional,...
    Katherine is the best realtor! Katherine provided the perfect service to sell our home. She began with a detailed home evaluation ...
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Service areas (25)

Katherine Giouvalakis

Douglas Elliman
4.935 reviews
3sales last 12 months
79total sales
$270K-$1.2Mprice range
$758Kaverage price
28years of experience
(516) 581-2356
(516) 581-2356
katherine.giouvalakis@elliman.com
71 Forest Avenue
Locust Valley, NY, 11788