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Off market
  • $3,625,500

    23 Sunnyside Ave, Shelter Island Heights, NY 11965

    6beds
    4,538sqft
    SingleFamily
    Built in 1900
    2.9 Acres Lot
    $3,625,500 Zestimate®
    $799/sqft
    $6,786 Estimated rent

    Home value

    $3,625,500

    $3.08M - $4.31M

    $6,786/mo

    Zestimate® history
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    $6,786/mo

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    $25,111/mo

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    $25,111/mo

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    What's special

    Glamorous and stately, this hilltop Heights Colonial, with views for miles, is centered in a 3 acre park-like setting w/free-form pool, mature landscaping and gardens. Elegantly restored throughout, ideal for entertaining, the living room with fireplace has French doors to the garden. Dining rm also w/fireplace and French doors to poolside terrace. Two butlers pantry's, foyer, laundry, .5 BA & 2 stairs complete the 1st fl. 2nd fl Master Bedroom suite with balcony, guest suite, 2 BR, full BA and office. 3rd floor hosts 3, full bathroom and attic.

    This property is not currently displayed as for sale or rent on Zillow. This may be different from what's on other websites or public sources.

    Facts & features

    Interior

    Bedrooms & bathrooms
    • Bedrooms: 6
    • Bathrooms: 5
    • Full bathrooms: 4
    • 1/2 bathrooms: 1
    Heating
    • Other
    Cooling
    • Central
    Appliances
    • Included: Dryer, Refrigerator, Washer
    Features
    • Basement: Partially finished
    • Has fireplace: Yes
    Interior area
    • Total interior livable area: 4,538 sqft

    Property

    Parking
    • Total spaces: 2
    • Parking features: Garage - Detached
    Features
    • Exterior features: Wood
    Lot
    • Size: 2.9 Acres
    Details
    • Parcel number: 0700006000200018002

    Construction

    Type & style
    • Home type: SingleFamily
    • Architectural style: Colonial
    Materials
    • Wood
    Condition
    • Year built: 1900

    Community & HOA

    Location
    • Region: Shelter Island Heights

    Financial & listing details

    • Price per square foot: $799/sqft
    • Tax assessed value: $3,503,000

    Price history

    DateEventPrice
    8/6/2021Sold$2,200,000-4.3%$485/sqft
    Source: OneKey® MLS as distributed by MLS GRID #L3249543 Report a problem
    7/3/2021Pending sale$2,299,000$507/sqft
    Source: Out East #354036 Report a problem
    12/31/2020Listed for sale$2,299,000$507/sqft
    Source: Daniel Gale Sotheby's International Realty #354036 Report a problem
    11/7/2020Pending sale$2,299,000$507/sqft
    Source: Daniel Gale Sotheby's International Realty #354036 Report a problem
    9/5/2020Listed for sale$2,299,000$507/sqft
    Source: Daniel Gale Sothebys Intl Rlty #3249543 Report a problem
    5/25/2019Listing removed$2,299,000$507/sqft
    Source: Daniel Gale Sothebys Intl Rlty #3128521 Report a problem
    4/9/2019Listed for sale$2,299,000+27.7%$507/sqft
    Source: Daniel Gale Sothebys Intl Rlty #3117527 Report a problem
    9/13/2012Sold$1,800,000-7.7%$397/sqft
    Source: OneKey® MLS as distributed by MLS GRID #L2475127 Report a problem
    2/14/2012Listed for sale$1,950,000$430/sqft
    Source: Daniel Gale Sotheby's International Realty #*1126269 Report a problem

    Public tax history

    YearProperty taxesTax assessment
    2025-- $3,503,000 +58%
    2024-- $2,217,000
    2023-- $2,217,000 +11.9%
    2022-- $1,982,000
    2021-- $1,982,000 +1%
    2020-- $1,963,000 +0.3%
    2019-- $1,958,000 +0.4%
    2018-- $1,950,000 +2.5%
    2017$11,565 $1,902,000 +5.7%
    2016-- $1,800,000 +3.7%
    2015-- $1,736,000 +4%
    2014-- $1,670,000 +3.7%
    2013-- $1,610,000 +0.6%
    2012-- $1,600,000 -1.5%
    2011-- $1,625,000 -2.4%
    2007$8,502 +0.5%$1,664,800 +32.1%
    2005$8,463 -3.1%$1,260,000 +3.9%
    2004$8,737 -2.6%$1,212,400
    2003$8,969 +23.2%$1,212,400 +86.5%
    2002$7,278 $650,000
    2001-- $650,000 +13%
    2000$6,120 $575,000
    Find assessor info on the county website

    Neighborhood: 11965

    Nearby schools

    GreatSchools rating
    Schools provided by the listing agent
    • Elementary: Shelter Island School
    • Middle: Shelter Island School
    • High: Shelter Island School
    • District: Shelter Island

    Source: The MLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.

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    Estimated market value
    $3,625,500
    Get a cash offer in 3 minutes
    Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
    Estimated market value
    $3,625,500