5 Keystone Court, Smithtown, NY 11787
Property image
Property image
FOR SALE
NEW - 1 DAY AGO
0.46 ACRES

$1,199,000

  • 5 Beds
  • 3.5 Baths
  • 3,301 sqft (on 0.46 acres)

5 Keystone Court, Smithtown, NY 11787

Est. Mortgage $8,151/mo*
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Home Highlights

Single-Family Home
Built in 2010
0.46 acre lot
$363/sqft
Garage

Local Information

  • Map ViewExplore the area around 5 Keystone Court.
  • Schools1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

About this House

Welcome to this beautiful & Spacious 5 Bedroom Colonial, ideally situated on a cul de sac & offering 3301Sq Ft of living space ,not including the full basement.
From the moment you enter you will appriciate the generous room sizes, beautiful oak floors and the comfortable flow throughout this impressive home.
The granite Kitchen is designed for both everyday living and entertaining featuring a center island,ample cabinetry,and a covienient butlers pantry. A warm inviting wood burning fireplace creates a perfect setting for relaxing evenings at home. Step outside and discover your own private backyard oasis. Enjoy the oversized paver patio, perfect for outdoor dining and entertaining overlooking the beautiful heated saltwater inground pool. The basement provides valuble additional space and features an outside entrance offering endless possibilties. With aprroximately 3301 sq ft of living space, a Cul de sac location, this home offers the space,comfort and lifestyle you have been looking for !
Last check for updates: about 2 hours ago
Listing by: Long Island Home Prop LLC, (631) 676-4663
Elaine A. Halpin, (631) 926-3680
Source: OneKey® MLS as distributed by MLS GRID, MLS#1049096
Also Listed on OneKey® MLS as distributed by MLS GRID.

Home Details for 5 Keystone Court

Interior Features

Interior Details
Basement: FullNumber of Rooms: 14Types of Rooms: Master Bedroom, Bedroom 2, Bedroom 3, Bedroom 4, Master Bathroom, Bathroom 2, Bathroom 3, Bonus Room, Den, Dining Room, Gym, Kitchen, Laundry, Lavatory, Living Room, Office
Beds & Baths
Number of Bedrooms: 5Number of Bathrooms: 4Number of Bathrooms (full): 3Number of Bathrooms (half): 1
Dimensions and Layout
Living Area: 3301 Square Feet
Appliances & Utilities
Utilities: Cable Available, Electricity Connected, Natural Gas AvailableAppliances: Dishwasher, Gas Oven, Microwave, Refrigerator, Stainless Steel Appliance(s)DishwasherLaundry: Laundry RoomMicrowaveRefrigerator
Heating & Cooling
Heating: Natural GasHas CoolingAir Conditioning: Central AirHas HeatingHeating Fuel: Natural Gas
Fireplace & Spa
Number of Fireplaces: 1Fireplace: Family Room, Wood BurningHas a FireplaceNo Spa
Gas & Electric
Has Electric on Property
Windows, Doors, Floors & Walls
Flooring: Ceramic Tile, Wood
Levels, Entrance, & Accessibility
Floors: Ceramic Tile, Wood
Security
Security: Smoke Detector(s)

Exterior Features

Exterior Home Features
Patio / Porch: Patio, PorchFencing: VinylExterior: Basketball CourtHas a Private Pool
Parking & Garage
Number of Garage Spaces: 2Number of Covered Spaces: 2No CarportHas a GarageParking Spaces: 2Parking: Garage
Pool
Pool: In Ground, Salt Water, VinylPool
Water & Sewer
Sewer: Cesspool
Farm & Range
Not Allowed to Raise Horses

Days on Market

Cumulative Days on Market: 1Days on Market: 1

Property Information

Year Built
Year Built: 2010
Property Type / Style
Property Type: ResidentialProperty Subtype: Single Family Residence, ResidentialArchitecture: Colonial
Building
Construction Materials: Brick, Vinyl SidingNot Attached Property
Property Information
Parcel Number: 080013000400063005

Price & Status

Price
List Price: $1,199,000Price Per Sqft: $363

Active Status

MLS Status: Active

Location

Direction & Address
City: Smithtown
School Information
Elementary School: Mt Pleasant Elementary SchoolJr High / Middle School: Great Hollow Middle SchoolHigh School: Smithtown High School-WestHigh School District: Smithtown

Agent Information

Listing Agent
Listing ID: 1049096

Building

Building Area
Building Area: 3301 Square Feet

Community

Not Senior Community

HOA

No HOA

Lot Information

Lot Area: 0.46 acres

Listing Info

Special Conditions: None

Offer

Listing Agreement Type: Exclusive Right To Sell

Miscellaneous

BasementMls Number: 1049096Attic: Full, Pull StairsShowing Requirements: Appointment Only

Around this home

What Locals Say about Smithtown

At least 232 Trulia users voted on each feature.

  • 92 % Say car is needed

  • 89 % Say it's dog friendly

  • 88 % Say parking is easy

  • 88 % Say yards are well-kept

  • 85 % Say there's holiday spirit

  • 76 % Say it's quiet

  • 74 % Say people would walk alone at night

  • 67 % Say there's wildlife

  • 60 % Say they plan to stay for at least 5 years

  • 60 % Say kids play outside

  • 57 % Say neighbors are friendly

  • 55 % Say streets are well-lit

  • 41 % Say there are sidewalks

  • 39 % Say it's walkable to restaurants

  • 39 % Say there are community events

  • 37 % Say it's walkable to grocery stores

Sourced by Trulia users. Learn more about our methodology.
  • nancy hark
    "I have to commute very far - it takes 1-1/2 to 2 hours. There is always traffic on the route. Working from home would be better for me."
    1
    Flag
  • Madeline Barbera
    "There’s a nice dog area in blydenburgh park but this is a horse neighborhood there are over 10,000 horses living here "
    0
    Flag
  • Jackedon24s
    "I’ve lived here my whole life, and everybody is for the most part, friendly and watch out for each other"
    0
    Flag
  • Elle Tee
    "There are lots of families in this area. It’s very neighborly. Only issue would be the occasional larceny out of cars left unlocked at night. "
    2
    Flag
  • Cgallaer
    "Short drive to from the Deer Park and Smithtown LIRR stations. Not too far from the Huntington or Babylon stations. "
    1
    Flag
  • Kimani J.
    "Most residents do not use public transportation. You will need your own vehicle in order to get around. "
    0
    Flag
  • Cgallaer
    "Great place to raise a family with lots of parks and other outdoor activities. It’s also close to other towns in Suffolk County, beaches, and has several LIRR train lines nearby. "
    4
    Flag
  • Cgallaer
    "I work in Manhattan so I take the LIRR to work. There are several train stations in the area and most have lots of parking and good service. "
    3
    Flag
  • Ejclassicdesign
    "Very nice area, safe and close to the beach. Nice school district. It is pricey to attain entrance into the housing market but the values tend to increase relatively fast over time. "
    6
    Flag
  • Robert B.
    "Very safe neighborhood, friendly residents, good schools, very good shopping areas. Has good parks and hiking areas. "
    4
    Flag
  • A &. J. G.
    "Love this neighborhood and having everything so close. I wish there was more Hispanic restaurants around since we love that type of food and have to go far to get it."
    5
    Flag
  • A &. J. G.
    "Quite neighborhood to take a stroll either alone, with the kids or family, or simply to walk the dog. The streets are clean and you feel safe."
    1
    Flag
  • rg9623
    "Smithtown is a great place to raise a family. Has great public schools and has great parks and recreation. Beach’s are close and well maintained "
    5
    Flag
  • Adrian M.
    "Nice houses, safe, close to shopping and entertainment, limited public transportation and expensive."
    0
    Flag
  • hanalu
    "I live here for two years for now, it’s a quiet and safe place, nice people around, and great schools. The tax is crazy high, but if you can handle the housing price and the tax, you are all good to go. Many restaurants nearby, although not very diversity, but still satisfy your basic needs. "
    1
    Flag
  • Laura N.
    "Dog loving community. Great family town. Great school district. Enjoyed 23 years here. Highly recommended."
    0
    Flag
  • Adrian M.
    "The commute itime depends on the time of the day. At noon, traffic can be heavy downtown. Smithtown bypass traffic is usually good."
    0
    Flag
  • Alidalang4
    "Great community and accessibility to shopping and stores . The neighborhoods and neighbor are nice and maintained. Quiet clean neighborhood. "
    1
    Flag
  • Danielle M.
    "Amazing place to raise kids. Great school Districts and opportunities for students to do extra curricular activities as well as sports. The neighborhood is really community oriented and children are often seen in the area playing. One of the biggest benefits is there are many great families and places for the kids to play. I think you will be impressed with the schools and the participation of the staff and teachers. "
    0
    Flag
  • Unspecified
    "Neighbors look out for one another. The homes are well kept. Good schools. Town services are good. Great bars and restaurants nearby."
    1
    Flag
  • Mpyles1982
    "Great schools, early morning drop off available for working parents. A lot of activities to keep your children busy. The only downside is the area lacks diversity."
    0
    Flag
  • Heavensentforeva
    "Great family location. There are also tons of dog people where I currently reside. We usually all walk our dogs together. It is a tight knit community. Everyone pretty much knows everyone on our block. "
    0
    Flag
  • Robertaglasser
    "The homes are very unique many different styles of homes from capes to ranches to split levels nice neighborhoods for raising family "
    1
    Flag
  • Mayivalenzuela
    "We have a very safe, clean and peaceful environment. Near public and private beaches and parks. Great School district. "
    1
    Flag
  • Marissa
    "I’ve lived here for 9 years and everything is centrally located. Wonderful for families especially young ones. "
    1
    Flag

Market trends in Smithtown

Last updated July 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$808K
$4.33KMoM
Sale-to-List Price
—
Price per sq ft
—
Available listings
102
20MoM

Home Value

Trulia Estimate
$1.59M
Since last month
Increased$4K (+0.2%)
Since last year
Increased$92K (+6.1%)
Since last sale
Increased$868K (+120.2%)
Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.

Trulia Estimate

The of this home's value increased by +130% in the last 10 years
MonthEstimated value
2026
August 2026$1.59M
August 2026$1.58M
July 2026$1.59M
June 2026$1.52M
May 2026$1.61M
April 2026$1.58M
March 2026$1.52M
February 2026$1.52M
January 2026$1.48M
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016

Comparable sales

These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.
Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
66 Darling Avenue, Smithtown, NY
0.16
Single-Family Home
$800,000
05/06/26
4
3
2,154
80 Mount Pleasant Road, Smithtown, NY
0.09
Single-Family Home
$735,000
01/07/26
7
3
2,456
6 Cambridge Drive, Smithtown, NY
0.36
Single-Family Home
$862,000
02/10/26
4
2.5
4,000
72 Mount Pleasant Road, Smithtown, NY
0.14
Single-Family Home
$800,000
01/07/26
3
3
1,831
49 Lexington Avenue, Smithtown, NY
0.22
Single-Family Home
$854,000
04/28/26
3
3
2,195
2 Clearbrook Drive, Smithtown, NY
0.15
Single-Family Home
$795,000
01/16/26
3
2
2,159
44 Cross Street, Smithtown, NY
0.21
Single-Family Home
$810,000
12/01/25
4
2.5
2,312
2 Hayloft Court, Smithtown, NY
0.39
Single-Family Home
$1,700,250
11/21/25
5
3.5
3,531
25 Yellow Top Lane, Smithtown, NY
0.41
Single-Family Home
$1,600,000
09/03/26
5
3
3,610
31 Sterling Lane, Smithtown, NY
0.28
Single-Family Home
$835,000
09/22/25
4
2
2,026

Nearby home prices

Get a sense of expected prices in the area by checking the value of nearby homes.
Address
Distance
Price
Bed
Bath
Sqft
Status
6 Keystone Court, Smithtown, NY 11787
0.02
$1,550,000
4
3.5
2,600
For Sale
3 Bianco Court, Smithtown, NY 11787
0.06
$897,300
4
2.5
-
Off Market
67 Broadway, Smithtown, NY 11787
0.08
$799,000
4
3
2,304
For Sale
72 Mount Pleasant Road, Smithtown, NY 11787
0.14
$800,000
3
3
1,831
Recently Sold
2 Clearbrook Drive, Smithtown, NY 11787
0.15
$795,000
3
2
2,159
Recently Sold
2 Daisy Lane, Smithtown, NY 11787
0.17
$788,500
3
2
1,516
Off Market
66 Darling Avenue, Smithtown, NY 11787
0.16
$800,000
4
3
2,154
Recently Sold
4 Alberta Court, Smithtown, NY 11787
0.14
$864,400
4
2.5
1,867
Off Market
7 Clearbrook Drive, Smithtown, NY 11787
0.22
$1,007,300
5
4
2,302
Off Market
10 Clearbrook Drive, Smithtown, NY 11787
0.23
$803,900
5
2
2,784
Off Market
175 Evergreen Avenue, Smithtown, NY 11787
0.22
$850,000
3
2
1,617
Recently Sold

Price and Tax history

DateEventPrice
Sep 10, 2026
Source: OneKey® MLS as distributed by MLS GRID #1049096
Listed For Sale
$1,199,000
Aug 14, 2016
Source: Agent Provided
ListingRemoved
$711,000
May 3, 2016
Source: Agent Provided
Pending
$711,000
Jul 18, 2013
Source: Agent Provided
Listed For Sale
$711,000
May 29, 2013
Source: Agent Provided
ListingRemoved
$711,000

LGBTQ Local Legal Protections

Elaine A. Halpin, Long Island Home Prop LLC, (631) 676-4663
Agent Phone: (631) 926-3680
Based on information submitted to the MLS GRID as of 2026-09-11 01:04:17 PDT All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Some IDX listings have been excluded from this website. Click here for more information

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Frequently asked questions about 5 Keystone Court

  • What is the estimated monthly payment for 5 Keystone Court?
    Based on a $1,199,000 list price with 20% down at today's rates, the estimated monthly payment for 5 Keystone Court in Smithtown, NY is approximately $8,296 (about $6,373 principal & interest, $1,848 property taxes, and $75 homeowner's insurance). This is an estimate. Actual payment depends on your loan terms.
  • How does the list price for 5 Keystone Court compare to homes in Smithtown?
    5 Keystone Court in Smithtown, NY is listed at $1,199,000, about 48% above the $808K median sale price in Smithtown.
  • What do residents say about Smithtown?
    Residents describe Smithtown, NY as dog-friendly, easy to park in, and well-kept. Most residents say you need a car. See homes for sale in Smithtown, NY.
  • What are the closest schools to 5 Keystone Court?
    The closest schools to 5 Keystone Court in Smithtown, NY are Great Hollow Middle School (rated 6/10), Mount Pleasant Elementary School (rated 8/10), Smithtown High School West (rated 10/10).
  • Does 5 Keystone Court have air conditioning?
    Yes, 5 Keystone Court in Smithtown, NY has air conditioning.
  • Does 5 Keystone Court have a pool?
    Yes, 5 Keystone Court in Smithtown, NY has a pool.
5 Keystone Court, Smithtown, NY 11787 is a 5 bedroom, 4 bathroom, 3,301 sqft single-family home built in 2010. This property is currently available for sale and was listed by OneKey® MLS as distributed by MLS GRID on Sep 10, 2026. The MLS # for this home is MLS# 1049096.