21 Format Ln, Smithtown, NY 11787
OFF MARKET

21 Format Ln
Smithtown, NY 11787

  • 3 Beds
  • 2 Baths
  • 2,089 sqft (on 0.27 acres)

$842,400

Trulia Estimate
as of Aug 19, 2026
Est. Refi. Payment $5,634/mo*
Refinance Your Home

$842,400

Trulia Estimate
as of Aug 19, 2026
Est. Refi. Payment $5,634/mo*
Refinance Your Home
3 Beds
2 Baths
2,089 sqft
(on 0.27 acres)

Home Value

Trulia Estimate
$842K
Since last month
Increased$3K (+0.4%)
Since last year
Increased$37K (+4.6%)
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 +75% in the last 10 years
MonthEstimated value
2026
August 2026$844K
July 2026$841K
June 2026$847K
May 2026$843K
April 2026$810K
March 2026$806K
February 2026$795K
January 2026$799K
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
291 Terry Road, Smithtown, NY
0.20
Single-Family Home
$655,000
03/27/26
3
1.5
1,426
7 Quincy Lane, Smithtown, NY
0.11
Single-Family Home
$925,000
06/16/26
4
3
2,183
15 Format Lane, Smithtown, NY
0.05
Single-Family Home
$925,000
09/19/25
4
2.5
2,535
29 Harding Street, Smithtown, NY
0.12
Single-Family Home
$875,000
08/28/25
4
2.5
2,100
9 Chester Street, Smithtown, NY
0.12
Single-Family Home
$791,000
06/24/26
4
2.5
2,041
27 Dorchester Road, Smithtown, NY
0.23
Single-Family Home
$899,000
08/28/25
4
2
2,058
6 Sycamore Place, Smithtown, NY
0.39
Single-Family Home
$680,000
11/03/25
3
2
1,850
10 Quincy Lane, Smithtown, NY
0.15
Single-Family Home
$830,000
04/17/26
4
2.5
2,700
7 Jackson Street, Nesconset, NY
0.31
Single-Family Home
$1,020,000
07/14/26
3
2.5
2,543
44 Steven Place, Smithtown, NY
0.27
Single-Family Home
$881,000
07/16/26
4
2.5
1,879

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
19 Format Lane, Smithtown, NY 11787
0.02
$958,200
4
2.5
-
Off Market
15 Format Lane, Smithtown, NY 11787
0.05
$968,700
4
2.5
2,535
Off Market
15 Washington Avenue, Smithtown, NY 11787
0.06
$1,420,100
4
2.5
3,500
Off Market
28 Washington Avenue, Smithtown, NY 11787
0.06
$906,700
4
2.5
-
Off Market
35 Washington Avenue, Smithtown, NY 11787
0.10
$899,800
3
3
-
Off Market
18 Quincy Lane, Smithtown, NY 11787
0.11
$934,700
4
2.5
-
Off Market
20 Lincoln Avenue, Smithtown, NY 11787
0.15
$1,349,500
4
4
3,460
Off Market
29 Harding Street, Smithtown, NY 11787
0.12
$918,800
4
2.5
2,100
Off Market
305 Terry Road, Smithtown, NY 11787
0.13
$500,000
1
1
1,025
Recently Sold
7 Quincy Lane, Smithtown, NY 11787
0.11
$925,000
4
3
2,183
Recently Sold
1 Quincy Lane, Smithtown, NY 11787
0.11
$851,900
4
2.5
-
Off Market
9 Chester Street, Smithtown, NY 11787
0.12
$791,000
4
2.5
2,041
Recently Sold

Local Information

  • Map ViewExplore the area around 21 Format Ln.
  • Schools1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Property Type
Single-Family Home
Year Built
1972
Lot Size
0.27 acres
Living Area
2,089 sqft
Price/Sqft
$403
Parking
Garage

About this House

This single-family home is located at 21 Format Ln, Smithtown, NY. 21 Format Ln is in Smithtown, NY and in ZIP code 11787. This property has 3 bedrooms, 2 bathrooms and approximately 2,089 sqft of floor space. This property has a lot size of 0.27 acres and was built in 1972.
21 Format Ln, Smithtown, NY 11787 is a 3 bedroom, 2 bathroom, 2,089 sqft single-family home built in 1972. It is currently off market. The Trulia Estimate is $842,400, with a rent estimate of $3,876/month.

Home Details for 21 Format Ln

Interior Features

Heating & Cooling
Heating: Forced AirHeating Fuel: Forced Air
Levels, Entrance, & Accessibility
Stories: 2
Fireplace & Spa
Fireplace

Property Information

Year Built
Year Built: 1972
Property Type / Style
Property Type: Single Family HomeArchitecture: Colonial

Exterior Features

Exterior Home Features
Exterior: Other
Parking & Garage
GarageParking: Garage Attached

Community

Units in Building: 1

Lot Information

Lot Area: 0.27 acres

Price and Tax history

YearProperty taxTax assessment
2025Unavailable
$846,875
Home facts updated by county records

Market trends in Nesconset

Last updated July 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
—
Sale-to-List Price
—
Price per sq ft
—
Available listings
32
1MoM

Around this home

What Locals Say about Nesconset

At least 106 Trulia users voted on each feature.

  • 91 % Say parking is easy

  • 89 % Say yards are well-kept

  • 88 % Say it's dog friendly

  • 85 % Say car is needed

  • 80 % Say there's holiday spirit

  • 77 % Say it's quiet

  • 75 % Say people would walk alone at night

  • 61 % Say neighbors are friendly

  • 59 % Say kids play outside

  • 57 % Say they plan to stay for at least 5 years

  • 56 % Say there's wildlife

  • 52 % Say streets are well-lit

  • 45 % Say it's walkable to restaurants

  • 44 % Say there are sidewalks

  • 39 % Say there are community events

  • 30 % Say it's walkable to grocery stores

Sourced by Trulia users. Learn more about our methodology.
  • Trulia User
    "I’ve lived in this neighborhood since 1982! Very safe and wonderful and I wish I didn’t have to move!"
    0
    Flag
  • Courtney Syrop
    "Nesconset is perfectly nestled close and accessible to major highways and roads. It’s a hidden gem. "
    0
    Flag
  • Audree Dessaint
    "Nesconset, NY is a stellar town celebrated for its outstanding schools, diverse shopping, safety, and community warmth. The top-tier education system stands out, offering students an excellent learning environment. With a wide array of shopping options, residents enjoy a vibrant retail scene."
    1
    Flag
  • X87q7yz9pn
    "Good schools and overall a nice place to live. A lot to do close by. Many neighborhoods. Reasonable taxes"
    0
    Flag
  • Audree Dessaint
    "Great and peaceful neighborhood. Mall is 5 minutes away, stores are pretty close from my home. I love the neighborhood "
    0
    Flag
  • Brittany W.
    "Great neighborhood. Great schools. Kids are always outside playing and riding bikes. It’s quiet most of the time and great area. "
    4
    Flag
  • Juliacolace
    "I have been here for a year and a half. Drug dealers have occupied the house across the street everyone is afraid to do anything . "
    15
    Flag
  • Juliacolace
    "I’ve been here 2 years, no sidewalks, no lights at nite to take a early evening walk, cars are too fast here even on side streets . "
    2
    Flag
  • Courtney P.
    "I would be happy to raise my kids here ! Great neighborhood and very friendly . People always walk their dogs"
    0
    Flag
  • Courtney P.
    "It’s fairly close to major highways like the LIE and Northern State. It is pretty central and accessible to the LIRR as well. "
    0
    Flag
  • Dana.pomi
    "Concerts at the Gazebo in the summer on Tuesday is great, really brings the community together. The park in the library is also a great place to take your young children or dog! "
    2
    Flag
  • Aka92460
    "I drive to work. Public transportation is not very convenient for where I need to go. It’s about a 25 minute drive from north to south of the island. "
    0
    Flag
  • Juliacolace
    "Very quiet here, a lot of trees ! But no sidewalks anywhere making it difficult to take a stroll ! "
    0
    Flag
  • Rjgulotta
    "It’s nice and quiet everyone on the block gets along very well....the block has side walks and every house is very well maintained "
    1
    Flag
  • Juliacolace
    "A sidewalk ! There are no sidewalks and people drive to fast . Can’t walk dog safely . And sidewalks add a huge appeal to any neighborhood! They represent the value of the homes and community. "
    1
    Flag
  • Renshifred
    "I’ve lived here 31 years. It’s a great town and community. We are close to shopping, malls, Costco, BJs, Walmart, parks,beaches, hospitals and colleges. Schools are great in our district "
    1
    Flag
  • Mvendall
    "I have lived in Smithtown for 26 years ..Very nice area really never had any issues in this area. People are friendly everything is convenient to get to and its centrally located on Long Island. You really have everything you need here. "
    0
    Flag
  • Joe L.
    "good family community plenty of things to do. good school district which is reflected in taxes and prices"
    0
    Flag
  • Renshifred
    "Ive lived here 32 years its great! Great schools, restaurants and shopping. Traffic flow is great and the mall is close bye. "
    0
    Flag

LGBTQ Local Legal Protections

Frequently asked questions about 21 Format Ln

  • What is 21 Format Ln estimated to be worth?
    Trulia's estimated value for 21 Format Ln in Smithtown, NY is $842,400.
  • Is Smithtown a buyer's or seller's market?
    Smithtown is currently a seller's market, based on recent for-sale activity.
  • What do residents say about Smithtown?
    Residents describe Smithtown, NY as easy to park in, well-kept, and dog-friendly. Most residents say you need a car. See recently sold homes in Smithtown, NY.
  • What are the closest schools to 21 Format Ln?
    The closest schools to 21 Format Ln 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).
  • How big is the lot at 21 Format Ln?
    The lot at 21 Format Ln in Smithtown, NY is about 0.27 acres (11,761 sq ft).
  • Does 21 Format Ln have a garage?
    Yes, 21 Format Ln in Smithtown, NY has a garage.

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