18 William Ave, Central Islip, NY 11722
Cozy Kitchen
Sunny Living Room
OFF MARKET

$582,900

Trulia Estimate
  • 4 Beds
  • 2 Baths

18 William Ave, Central Islip, NY 11722

Est. Refi. Payment $3,903/mo*
Refinance Your Home
Currently Off Market - Sold May 24, 2021 for $315,000

Home Value

Trulia Estimate
$583K
Since last month
Increased$5K (+0.9%)
Since last year
Increased$26K (+4.6%)
Since last sale
Increased$269K (+85.2%)
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 +226% in the last 10 years
MonthEstimated value
2026
August 2026$584K
July 2026$578K
June 2026$583K
May 2026$579K
April 2026$562K
March 2026$564K
February 2026$564K
January 2026$561K
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
13 Dietz Street, Central Islip, NY
0.06
Single-Family Home
$570,000
05/15/26
4
1.5
1,098
60 Dietz Street, Central Islip, NY
0.14
Single-Family Home
$553,000
02/27/26
4
2
1,138
40 Church Street, Central Islip, NY
0.06
Single-Family Home
$620,000
04/02/26
4
2
1,602
34 Hilliard Avenue, Central Islip, NY
0.18
Single-Family Home
$620,000
05/01/26
4
2
1,224
27 William Avenue, Central Islip, NY
0.10
Single-Family Home
$630,000
11/19/25
4
3
1,327
8 Naples Avenue, Central Islip, NY
0.41
Single-Family Home
$575,000
09/08/25
4
1.5
1,225
4 Naples Avenue, Central Islip, NY
0.40
Single-Family Home
$520,000
10/16/25
4
1.5
1,195
25 Hawthorne Avenue, Central Islip, NY
0.31
Single-Family Home
$689,000
03/25/26
4
2
1,787
61 Wheeler Road, Central Islip, NY
0.20
Single-Family Home
$660,000
05/13/26
4
3
1,446
23 Bronx Avenue, Central Islip, NY
0.46
Single-Family Home
$470,000
11/03/25
3
1.5
1,263

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
16 William Avenue, Central Islip, NY 11722
0.02
$620,400
3
2
1,604
Off Market
13 Dietz Street, Central Islip, NY 11722
0.06
$570,000
4
1.5
1,098
Recently Sold
13 William Avenue, Central Islip, NY 11722
0.04
$642,600
4
1
1,304
Off Market
40 Church Street, Central Islip, NY 11722
0.06
$620,000
4
2
1,602
Recently Sold
19 Oakdale Avenue, Central Islip, NY 11722
0.08
$686,100
4
2
1,742
Off Market
5 Monsen Street, Central Islip, NY 11722
0.13
$638,100
4
2
10,890
Off Market
39 Wheeler Road, Central Islip, NY 11722
0.14
$651,100
5
2
1,305
Off Market
4 Mcgrath Street, Central Islip, NY 11722
0.16
$624,000
4
1
-
Off Market
27 William Avenue, Central Islip, NY 11722
0.10
$630,000
4
3
1,327
Recently Sold
30 Oakdale Avenue, Central Islip, NY 11722
0.11
$487,000
2
1
840
Recently Sold
60 Dietz Street, Central Islip, NY 11722
0.14
$553,000
4
2
1,138
Recently Sold
33 Hilliard Ave, Central Islip, NY 11722
0.16
$774,300
7
4
1,600
Off Market

Local Information

  • Map ViewExplore the area around 18 William Ave.
  • Schools1 Preschool School2 Elementary Schools1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Property Type
Single-Family Home
Year Built
1962

About this House

otivated!Owner Will Listen To All Offers!Home Much Larger Then Appears.Must See!Fabulous Cape With 4 Nice Size Bedrooms,2 New Bths,Wood Flrs,New Roof,Windows,Gutters And Freshly Painted.Fenced In Yard W/1.5 Det Garage. All New Appliances.Owner Will Give $2000 Towards Closing. Bring All Offers Owner Will Listen
18 William Ave, Central Islip, NY 11722 is a 4 bedroom, 2 bathroom single-family home built in 1962. It last sold for $315,000 on May 24, 2021. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $582,900, with a rent estimate of $4,030/month.

Home Details for 18 William Ave

Property Information

Year Built
Year Built: 1962
Property Type / Style
Property Type: Single Family Home

Community

Units in Building: 1

Lot Information

Lot Area: 7405 sqft

Price and Tax history

DateEventPrice
May 24, 2021
Source: N/A
Sold
$315,000
Mar 18, 2021
Source: OneKey® MLS as distributed by MLS GRID #3283458
Pending
$299,999
Feb 26, 2021
Source: OneKey® MLS as distributed by MLS GRID #3283458
ListingRemoved
Feb 24, 2021
Source: OneKey® MLS as distributed by MLS GRID #3283458
Listed For Sale
$299,999
Feb 3, 2021
Source: OneKey® MLS as distributed by MLS GRID #3283458
ListingRemoved

Market trends in Central Islip

Last updated July 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
—
Sale-to-List Price
—
Price per sq ft
—
Available listings
63
2MoM

Around this home

What Locals Say about Central Islip

At least 347 Trulia users voted on each feature.

  • 85 % Say car is needed

  • 82 % Say parking is easy

  • 82 % Say yards are well-kept

  • 70 % Say it's dog friendly

  • 67 % Say there's holiday spirit

  • 58 % Say kids play outside

  • 56 % Say it's quiet

  • 56 % Say there are sidewalks

  • 51 % Say it's walkable to grocery stores

  • 48 % Say they plan to stay for at least 5 years

  • 47 % Say streets are well-lit

  • 46 % Say neighbors are friendly

  • 43 % Say it's walkable to restaurants

  • 41 % Say people would walk alone at night

  • 41 % Say there's wildlife

  • 32 % Say there are community events

Sourced by Trulia users. Learn more about our methodology.
  • Diesumi1976
    "I work 8 minutes away so is wonderful, on the other hand my wife is 45 minutes away but is not bad at all "
    0
    Flag
  • Joel Romero
    "This is a good place to have pets , dogs must love this place , there’s a lot of open space all around."
    0
    Flag
  • Naheim S.
    "I've lived here for 13 years and it's been truly a wonderful experience, neighbors are great safety is always paramount along with 24 hour security ensuring all resident are safe. The community is always clean & updated with trees and roads, i was truly lucky to get an opportunity to live here in this luxury town-home community."
    10
    Flag
  • Trulia User
    "LIRR is nearby. Buses are nearby and usually run every hour. However, a lot of patience and walking is required if you are taking public transportation."
    0
    Flag
  • Trulia User
    "Need a car to get around. Stores around but about half mile to a mile away. Can walk but in cold days it can be hard. Close to MTA and bus. Very noisy, with other homes and people around. "
    0
    Flag
  • Trulia User
    "Very nice houses and a dog/family park. The area is very save, train station and busses as well. A very nice school system."
    0
    Flag
  • Trulia User
    "quiet and friendly people. access to many stores and public transportation. close to all major highways. "
    0
    Flag
  • Trulia User
    "ive lived in this neighborhood for 15 years! great neighborhood , neighbors are friendly , all areas are clean! has good parks for children "
    0
    Flag
  • Trulia User
    "Short and a lot of traffic all the time, many accidents and the sirens don't stop, a lot of people walking, riding bikes, picking up bottles and all kind of stuff. "
    0
    Flag
  • Williamsmario20
    "A lot of space to walk your dogs. One thing I don’t like is a lot of dog owners have faulty fences and dogs do escape. "
    2
    Flag
  • Trulia User
    "Everyone looks out for each other. College woods is on little community within itself. People say what they want until you lived here and experienced the people then you can’t comment "
    14
    Flag
  • Emmanuelrosario2122
    "Everyone is friendly and there nice and sometimes dogs get out of there houses and there dangerous breeds "
    14
    Flag
  • Keila G.
    "Typically I don’t shop in this area but I do like that when there is a quick errand I need to do I have options. I always feel safe and it’s normally quiet in the area I live in. "
    3
    Flag
  • Shebuti
    "Although it is not a safe area I haven’t faced any issues during my 5 years stay in this area. It’s not the nicest community but it is cheap. If you are living in a gated community then it is quite safe."
    5
    Flag
  • Jonitoatias
    "Central Islip is a nice, multicultural neighborhood, but you would definitely need a car if you live here..."
    4
    Flag
  • Cew318
    "I do see people walking dogs in the area. I know there are a couple of parks in the area. You can also bring your dog into the pet store. "
    1
    Flag
  • Thatsmecutie
    "School system is terrible. Child was enrolled privately at first then ultimately homeschooled when I lived there. Lots for kids to do in surrounding areas though. Library, trampoline park, etc"
    1
    Flag
  • Thatsmecutie
    "Feel pretty safe here. The peripheral area is a little sketchy still. However, the area is being built up and that will hopefully change the surrounding areas. "
    3
    Flag
  • Emmaaa515
    "I hate this area it’s gross people don’t take care of it the town is run down I can not wait to move "
    0
    Flag
  • Maudlynne A.
    "I am not sure. People own dogs around the neighborhood but i don't often see them walking their dogs. it's a spacious street to walk dogs. "
    0
    Flag
  • Maudlynne A.
    "we mind our own business. if you ask for hp you will get it. it's very very quite and comfortable. we secretly look out for each other but don't want to admit it."
    10
    Flag
  • Maudlynne A.
    "LIRR is my transportation to and from work. it is safe and punctual most of the time. it's very expensive but I work in Jamaica Queens so I have no choice. The Commute itself is smooth and relaxing."
    0
    Flag
  • Martin W.
    "College woods in central Islip is a good area. The neighbors a really nice, always looking to extend a helping hand. And a lot of them have stories for days, which will help any single or couple fit right in. "
    11
    Flag
  • Julgomez2
    "its redidential everything is changing for the good. the school are better than how they were in the past."
    6
    Flag
  • Martin W.
    "College woods is a great location to live in Central Islip. My Neighbors are fantastic and very welcoming. "
    0
    Flag
  • Bejeanntte
    "there are many families.a big shopping center many supermarkets ...good schools.railroad near us...court house ....a big stadium"
    0
    Flag
  • Ashleyn
    "it's horrible here a lot of gangs, and druggies. it's dangerous here and would not recommend anyone move here."
    9
    Flag
  • Mr.jones.jones1989
    "There’s a lot of dog owners around where I live now and all dogs are welcomed here. No dogs Rome freely everyone cleans up behind there dogs"
    3
    Flag
  • Sexydova14043
    "That the area is safe for kids. Also that the school district is good. They should be able to walk around the community being safe"
    0
    Flag
  • Romerofam38
    "Very close to LIRR and major highways, also the federal courthouse. Great for commuting! Lots of new building coming in the next few years"
    1
    Flag
  • Lilianajtoro
    "The area is very quiet and neighbors look out for each other. Everybody has a great relationship and very friendly environment. "
    1
    Flag

LGBTQ Local Legal Protections

Frequently asked questions about 18 William Ave

  • What is 18 William Ave estimated to be worth?
    Trulia's estimated value for 18 William Ave in Central Islip, NY is $582,900.
  • What is the price history for 18 William Ave?
    18 William Ave in Central Islip, NY last sold for $315,000 in May 2021.
  • Is Central Islip a buyer's or seller's market?
    Central Islip is currently a seller's market, based on recent for-sale activity.
  • What do residents say about Central Islip?
    Residents describe Central Islip, NY as easy to park in, well-kept, and dog-friendly. Most residents say you need a car. See recently sold homes in Central Islip, NY.
  • How big is the lot at 18 William Ave?
    The lot at 18 William Ave in Central Islip, NY is about 0.17 acres (7,405 sq ft).

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