For Sale
Single family home for sale at 451 River Rd, Smithtown, NY 11780 | MLS# 1011636 | Listing updated on 2026-09-16
Photo 1 of Single family home for sale at 451 River Rd, Smithtown, NY 11780 | MLS# 1011636 | Listing updated on 2026-09-16
Photo 2 of Single family home for sale at 451 River Rd, Smithtown, NY 11780 | MLS# 1011636 | Listing updated on 2026-09-16
Photo 3 of Single family home for sale at 451 River Rd, Smithtown, NY 11780 | MLS# 1011636 | Listing updated on 2026-09-16
Photo 4 of Single family home for sale at 451 River Rd, Smithtown, NY 11780 | MLS# 1011636 | Listing updated on 2026-09-16
23+
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Street View

$1,150,000

Monthly Est:$5,724

  • Beds Icon5 Beds
  • Beds Icon
    3 Baths
  • Beds Icon3,000sqft

451 River Rd, Smithtown, NY 11780

$5,724/moEst:

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  • Single Family Residence

  • Built in 1975

  • $-- HOA

  • 2.05 acres lot

  • $383/sq.ft

Description

Nestled on 2.5 private acres in the picturesque Village of Nissequogue, this beautifully remodeled Colonial offers a rare opportunity to enjoy peaceful country-style living with seasonal water views of the Nissequogue River in one of Long Island’s most sought-after communities.
This well-maintained home features numerous updates, including a newer roof, siding, driveway, eat-in kitchen, and hardwood flooring throughout the first floor. The interior was freshly painted in March 2026, creating a bright and welcoming atmosphere.
The spacious den is highlighted by a cozy wood-burning fireplace with a stove insert, perfect for relaxing on cooler evenings. Updated bathrooms a...

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  • Houzeo last checked: 4 minutes ago
  • Listing updated: September 16, 2026 at 3:56 pm
  • Listing Provided by: Marianne J. Koke (631) 335-7111 | Daniel Gale Sothebys Intl Rlty (631) 584-6600
  • Source: OneKey MLS-NY | MLS#: 1011636 OneKey MLS-NY

Property Details

  • Status

    Active

  • Type

    Single Family Residence

  • No. of Stories

    -

  • County

    Suffolk County

  • City

    Smithtown

  • Neighborhood

    --

  • Year Built

    1975

  • HOA Fees

    -

  • Finished Area

    3,000 sqft

  • Lot Size

    2.05 acres lot

  • Basement Area

    - sqft

  • MLS Name

    OneKey MLS

  • MLS Number

    1011636

  • MLS Status

    Active

  • Days on Market

    101

  • Cumulative Days on Market

    98

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Facts & Features

Rooms

  • Bedrooms & bathrooms

    Bedrooms: 5

    Bathrooms: 3

  • Living Room

    Level: First

  • Dining Room

    Level: First

  • Family Room

    Level: First

  • Kitchen

    Level: First

  • Bedroom 1

    Level: First

  • Bathroom 1

    Level: First

  • Primary Bedroom

    Level: Second

  • Primary Bathroom

    Level: Second

  • Bedroom 2

    Level: Second

  • Bedroom 3

    Level: Second

  • Bathroom 2

    Level: Second

  • Bedroom 4

    Level: Second

  • Basement

    Level: Lower

Interior

  • Heating

    Propane

  • Cooling

    Central Air

  • Flooring

    Hardwood, Tile

  • Appliances

    Dishwasher, Dryer, Gas Range, Oven, Refrigerator, Stainless Steel Appliance(s), Washer

  • Interior Features

    First Floor Bedroom, First Floor Full Bath, Built In Features, Eat In Kitchen, Entrance Foyer, Formal Dining, Primary Bathroom, Quartz/quartzite Counters, Storage, Walk In Closet(s), Washer/dryer Hookup

  • Sewer

    Cesspool

Construction

  • Year Built

    Year Built: 1975

  • Home type

    Single Family Residence

  • Property Condition

    Updated/remodeled

  • Architectural Style

    Colonial

  • Construction Materials

    Brick, Cedar

Utilities & Energy

  • Parking Features

    Attached, Driveway, Garage

  • Water Source

    Public

  • Utilities

    Electricity Connected, Propane, Water Connected

  • Fireplace Features

    Family Room

  • Basement

    Full, Storage Space

Other Features

  • Patio And Porch Features

    Patio, Porch

  • Lot Features

    Back Yard, Front Yard, Landscaped, Private, Views

  • Disclosures

    Lead Paint, Seller Property Disclosure

Price History

DateEventPrice

08/05/2026

Source: mls_logoOneKey MLS-NY #KEY1011636

Price Increased

$1,150,000 +19727.59%

$383/sqft

06/10/2026

Source: mls_logoOneKey MLS-NY #KEY994283

Listing Removed

$5,800 -99.52%

$2/sqft

06/10/2026

Source: mls_logoOneKey MLS-NY #KEY1011636

Listed for Sale

$1,200,000

$400/sqft

06/10/2026

Source: mls_logoOneKey MLS-NY #KEY1011636

Price Increased

$1,200,000 +20589.66%

$400/sqft

05/05/2026

Source: mls_logoOneKey MLS-NY #KEY994283

Listed for Sale

$5,800

$2/sqft

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Based on information from OneKey MLS, through Sep 20, 2026, 09:46AM. IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed. © 2026 OneKey® MLS. All rights reserved.

Advertising Broker: Mark Karten | Karten Real Estate Services

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