142 Union Ave, Islip, NY 11751
Property image
Property image
OFF MARKET

142 Union Ave
Islip, NY 11751

  • 2 Beds
  • 1 Bath
  • 1,260 sqft

$643,200

Trulia Estimate
as of Aug 21, 2026
Est. Refi. Payment $4,340/mo*
Refinance Your Home

$643,200

Trulia Estimate
as of Aug 21, 2026
Est. Refi. Payment $4,340/mo*
Refinance Your Home
2 Beds
1 Bath
1,260 sqft

Home Value

Trulia Estimate
$643K
Since last month
Increased$4K (+0.7%)
Since last year
Increased$35K (+5.7%)
Since last sale
Increased$263K (+69.2%)
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 +116% in the last 10 years
MonthEstimated value
2026
August 2026$644K
July 2026$639K
June 2026$648K
May 2026$641K
April 2026$623K
March 2026$617K
February 2026$603K
January 2026$602K
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
191 Smith Avenue, Islip, NY
0.16
Single-Family Home
$633,500
04/09/26
2
1
1,112
149 Union Avenue, Islip, NY
0.04
Single-Family Home
$685,000
05/04/26
3
1
1,539
24 Bay 3rd, Islip, NY
0.32
Single-Family Home
$595,000
05/27/26
3
1
1,176
11 Doxsee Place, Islip, NY
0.43
Single-Family Home
$610,000
02/24/26
3
1
2,252
120 Church Avenue, Islip, NY
0.22
Single-Family Home
$775,000
10/27/25
2
1.5
2,498
146 Smith Avenue, Islip, NY
0.15
Single-Family Home
$765,000
11/19/25
3
2.5
1,800
34 Shebar Drive, Islip, NY
0.17
Single-Family Home
$90,000
03/23/26
3
2
1,348
91 Union Avenue, Islip, NY
0.13
Single-Family Home
$750,000
10/22/25
4
2
2,481
39 Shebar Drive, Islip, NY
0.23
Single-Family Home
$855,000
07/28/26
3
2
1,900
57 Wave Crest Drive, Islip, NY
0.30
Single-Family Home
$765,000
03/27/26
4
1.5
1,358

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
149 Union Avenue, Islip, NY 11751
0.04
$685,000
3
1
1,539
Recently Sold
174 S Bay Avenue, Islip, NY 11751
0.08
$1,111,800
4
2.5
2,961
Off Market
161 S Bay Avenue, Islip, NY 11751
0.10
$843,700
3
2
1,950
Off Market
148 Monell Avenue, Islip, NY 11751
0.07
$887,000
6
2
-
Off Market
117 Union Avenue, Islip, NY 11751
0.08
$867,000
3
2.5
2,415
Recently Sold
136 Monell Avenue, Islip, NY 11751
0.08
$801,100
5
3
2,212
Off Market
11 Shebar Drive, Islip, NY 11751
0.13
$1,077,700
4
3
2,600
Off Market
17 2nd Street, Islip, NY 11751
0.10
$861,000
3
2
1,486
Off Market
110 S Bay Avenue, Islip, NY 11751
0.12
$954,700
4
3
2,734
Off Market
155 Smith Avenue, Islip, NY 11751
0.13
$690,000
4
2
2,100
Recently Sold
34 Shebar Drive, Islip, NY 11751
0.17
$90,000
3
2
1,348
Recently Sold
13 1st Street, Islip, NY 11751
0.12
$717,900
3
2.5
1,342
Off Market

Local Information

  • Map ViewExplore the area around 142 Union Ave.
  • Schools3 Elementary Schools1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Property Type
Single-Family Home
Year Built
1937
Living Area
1,260 sqft
Price/Sqft
$510
Parking
Garage

About this House

This single-family home is located at 142 Union Ave, Islip, NY. 142 Union Ave is in Islip, NY and in ZIP code 11751. This property has 2 bedrooms, 1 bathroom and approximately 1,260 sqft of floor space. This property has a lot size of 9583 sqft and was built in 1937.
142 Union Ave, Islip, NY 11751 is a 2 bedroom, 1 bathroom, 1,260 sqft single-family home built in 1937. It last sold for $380,500 on Sep 24, 2019. It is currently off market. The Trulia Estimate is $643,200, with a rent estimate of $3,218/month.

Home Details for 142 Union Ave

Interior Features

Interior Details
BasementAtticTypes of Rooms: Dining Room, Family RoomCeiling Fan
Heating & Cooling
Heating: Forced Air, GasAir ConditioningCooling System: CentralHeating Fuel: Forced Air
Levels, Entrance, & Accessibility
Stories: 1Floors: Hardwood
Appliances & Utilities
Cable ReadyDishwasherDisposalDryerMicrowaveRefrigeratorWasher
Fireplace & Spa
Hot Tub or Spa

Exterior Features

Exterior Home Features
Roof: AsphaltDeckExterior: VinylGardenSprinkler System
Parking & Garage
GarageParking: Garage Detached

Property Information

Year Built
Year Built: 1937
Property Type / Style
Property Type: Single Family Home

Community

Units in Building: 1

Lot Information

Lot Area: 9583 sqft

Price and Tax history

DateEventPrice
Sep 24, 2019
Source: OneKey® MLS as distributed by MLS GRID #L3140754
Sold
$380,500
Jun 21, 2019
Source: Agent Provided
Listed For Sale
$375,000

Market trends in Islip

Last updated July 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
—
Sale-to-List Price
—
Price per sq ft
—
Available listings
36
6MoM

Around this home

What Locals Say about Islip

At least 118 Trulia users voted on each feature.

  • 90 % Say parking is easy

  • 90 % Say it's dog friendly

  • 88 % Say car is needed

  • 86 % Say there's holiday spirit

  • 85 % Say yards are well-kept

  • 75 % Say people would walk alone at night

  • 73 % Say kids play outside

  • 65 % Say neighbors are friendly

  • 64 % Say it's quiet

  • 63 % Say it's walkable to restaurants

  • 62 % Say streets are well-lit

  • 62 % Say they plan to stay for at least 5 years

  • 59 % Say there are sidewalks

  • 59 % Say it's walkable to grocery stores

  • 59 % Say there's wildlife

  • 49 % Say there are community events

Sourced by Trulia users. Learn more about our methodology.
  • Michellereid2323
    "Family-oriented neighborhood. Main Street is charming, walkable, and dotted with boutiques, cafes, and diners."
    0
    Flag
  • Matt Classie
    "Street fairs, events at Brookwood Hall during holidays. Theres lots to do in the town of Islip. Bats & Brews is a great event."
    0
    Flag
  • Yen160107
    "I have kids that play in the front yard and they step on the dog feces that they left behind. Also I have signs that say “kids at play” but they do not care"
    0
    Flag
  • Trulia User
    "The drive is horrible and the traffic which is 300 feet from your front door is deafening! A ten lane super hwy and that’s what you wake up to at 4:30 am every day ! Or you can take the train a mile away which you can also here every morning blasting it’s way to islip train station . "
    0
    Flag
  • Trulia User
    "Well celebrate almost all the events soccer games good school very friendly neighborhoods good shopping center "
    1
    Flag
  • Jamal G.
    "this neighborhood is a great place to live there are restaurants in the mall nearby good schools and they are also close"
    14
    Flag
  • Stephen B.
    "The taxes are very high here for the school. Bay Shore schools are just as good or better and the taxes are much lower. "
    9
    Flag
  • Michael .
    "Good! I work in the city and take the LIRR. The islip station has free parking and plenty of spaces."
    1
    Flag
  • Monmona
    "you need to have a car to commute around. around. if you live close enough to the Long Island Railroad, then you can walk to the station and take the train from there."
    1
    Flag
  • Fldsetter
    "I grew up here and actually bought my childhood home back after living in another part of the country . Beaches are close , most folks keep there homes well maintained . There are lot of children here and the schools are second to none . I wish the town would replace the roads here , and take better care of there pubic areas ! But let the young folks moving in fight that fight ! "
    1
    Flag
  • Djhafner132
    "5 min to train station.the neighbors are friendly.i am an avid fisherman and two fishing piers are less than a mile away.the streets are well treed and maintained "
    0
    Flag
  • Djhafner132
    "I lived here since 1973.The homes are well kept and neighbors are friendly.the town dock is an easy walk with great fishing the streets are well maintained.All in all a great place to live"
    0
    Flag
  • Djhafner132
    "Parades block parties great fishing close by.great south of montauk location.Great place to raise a family "
    0
    Flag
  • Ricktssf
    "I work locally, so I can walk to work. the train station to NYC is only 4 blocks away. easy commute on the train. "
    2
    Flag
  • G.Greco
    "I've made Islip my home since 1980. Yards are well kept, the streets are maintained, paved and cleaned regularly. The school district is good. It's a good place to live and raise a family. This area south of Montauk is very desirable"
    16
    Flag
  • Tannuramees
    "parades, fairs, shops close by, farmers market, good schools, nice neighborhood, school events, town events"
    1
    Flag
  • Catherine M.
    "I have lived here for 18 years and for the most part it’s a good area. I am not a huge fan of the school district but it’s not horrible either ."
    11
    Flag
  • Stefbartoli
    "Dog friendly neighborhood! People walk their dogs around regularly. Neighbors look out for each other’s pets as well. "
    1
    Flag
  • Tyase930
    "Quiet respectful neighbors. Walking distance to stores. Lots of new businesses and new development s."
    0
    Flag
  • Tony H.
    "I live in this neighborhood for 2 years so far people are very friendly, there's always parking, people walk their dogs at night and exercise regularly. It's pretty cool !!!"
    0
    Flag
  • Fldsetter
    "Crappy roads / rats / compact floresant lights instead of LED ( someone got paid off ) no trees left due to disease , and the town is not planting any ! Highway noise 10 lanes now on Sunrise HWY - RT27 . No plans for a sound wall ??? I guess we are lower class here in Islip . Airplane and helicopters all day and night fly over head ,, isn’t there a bay or ocean they can fly over then go straight up Lakeland Blvd to the airport ???? I will eave as soon as I find a house elsewhere and not in NY "
    0
    Flag
  • Ricktssf
    "I'm 17 years living in Islip. a little great Hamlet along the great South Bay. Town of Islip is much larger, but this is a Suburban area. "
    0
    Flag

LGBTQ Local Legal Protections

Frequently asked questions about 142 Union Ave

  • What is 142 Union Ave estimated to be worth?
    Trulia's estimated value for 142 Union Ave in Islip, NY is $643,200.
  • What is the price history for 142 Union Ave?
    142 Union Ave in Islip, NY last sold for $380,500 in September 2019.
  • Is Islip a buyer's or seller's market?
    Islip is currently a seller's market, based on recent for-sale activity.
  • What do residents say about Islip?
    Residents describe Islip, NY as easy to park in, dog-friendly, and well-kept. Most residents say you need a car. See recently sold homes in Islip, NY.
  • Does 142 Union Ave have air conditioning?
    Yes, 142 Union Ave in Islip, NY has air conditioning.
  • Does 142 Union Ave have laundry facilities?
    Yes, 142 Union Ave in Islip, NY has in-unit laundry.

Explore by feature - Air Conditioning

7 rentals with air conditioning in Islip, NY

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