18 William Ave
Central Islip, NY 11722
- 4 Beds
- 2 Baths
4 Beds
2 Baths
Local Information
© Google
-- mins to
Description
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
This property is off market, which means it's not currently listed for sale or rent on Trulia. This may be different from what's available on other websites or public sources.
Home Highlights
Parking
No Info
Outdoor
No Info
HOA
None
Price/Sqft
No Info
Listed
Less than a day ago
Home Details for 18 William Ave
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Year Built Year Built: 1962 |
Property Type / Style Property Type: Single Family Home |
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Units in Building: 1 |
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Lot Area: 7405 sqft |
Price History for 18 William Ave
| Date | Price | Event | Source |
|---|---|---|---|
| 05/24/2021 | $315,000 | Sold | N/A |
| 03/18/2021 | $299,999 | Pending | OneKey® MLS as distributed by MLS GRID #3283458 |
| 02/26/2021 | ListingRemoved | OneKey® MLS as distributed by MLS GRID #3283458 | |
| 02/24/2021 | $299,999 | Listed For Sale | OneKey® MLS as distributed by MLS GRID #3283458 |
| 02/03/2021 | ListingRemoved | OneKey® MLS as distributed by MLS GRID #3283458 | |
| 01/26/2021 | $299,999 | Listed For Sale | OneKey® MLS as distributed by MLS GRID #3283458 |
| 10/06/2008 | $250,000 | Sold | N/A |
| 03/11/2008 | $318,999 | ListingRemoved | Agent Provided |
| 01/31/2008 | $318,999 | Listed For Sale | Agent Provided |
Market trends in Central Islip
Last updated April 2026
Avg. sale price
—
Sale-to-List Price
—
Price per sq ft
—
Available listings
57
Property Tax and Assessment
| Year | 2025 |
|---|---|
| Tax | |
| Assessment | $28,400 |
Home facts updated by county records
Comparable Sales for 18 William Ave
Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.06 | Single-Family Home | $570,000 | 05/15/26 | 4 | 1.5 | 1,098 | |
0.14 | Single-Family Home | $553,000 | 02/27/26 | 4 | 2 | 1,138 | |
0.06 | Single-Family Home | $620,000 | 04/02/26 | 4 | 2 | 1,602 | |
0.18 | Single-Family Home | $620,000 | 02/18/26 | 4 | 2 | 1,224 | |
0.10 | Single-Family Home | $630,000 | 11/19/25 | 4 | 3 | 1,327 | |
0.44 | Single-Family Home | $375,000 | 06/23/25 | 4 | 1 | - | |
0.22 | Single-Family Home | $135,600 | 08/27/25 | 4 | 2 | - | |
0.41 | Single-Family Home | $575,000 | 09/08/25 | 4 | 1.5 | 1,225 | |
0.40 | Single-Family Home | $520,000 | 10/16/25 | 4 | 1.5 | 1,195 | |
0.30 | Single-Family Home | $580,000 | 07/30/25 | 3 | 2 | - |
Nearby homes
Get a sense of prices in the area by checking nearby homes.Assigned Schools
These are the assigned schools for 18 William Ave.
What Locals Say about Central Islip
At least 346 Trulia users voted on each feature.
85 % Say car is needed
81 % Say parking is easy
81 % 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 neighbors are friendly
47 % Say streets are well-lit
43 % Say it's walkable to restaurants
41 % Say people would walk alone at night
40 % Say there's wildlife
33 % Say there are community events
Sourced by Trulia users. Learn more about our methodology.
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18 William Ave, Central Islip, NY 11722 is a 4 bedroom, 2 bathroom single-family home built in 1962. This property is not currently available for sale. 18 William Ave was last sold on May 24, 2021 for $315,000. The current Trulia Estimate for 18 William Ave is $579,400.

