$1,732,500
- 5 Beds
- 3.5 Baths
- 3,610 sqft (on 0.50 acres)
20 Bayview Ave, Islip, NY 11751
Est. Refi. Payment $11,497/mo*
Refinance Your HomeCurrently Off Market - Sold Aug 16, 2018 for $1,300,000
Home Value
Trulia Estimate
$1.73MSince last month
Decreased$33K (-1.8%)Since last year
Increased$113K (+6.9%)Since last sale
Increased$433K (+33.3%)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 +127% in the last 10 years
| Month | Estimated value |
|---|---|
2026 | |
| August 2026 | $1.73M |
| July 2026 | $1.77M |
| June 2026 | $1.76M |
| May 2026 | $1.69M |
| April 2026 | $1.67M |
| March 2026 | $1.67M |
| February 2026 | $1.65M |
| January 2026 | $1.67M |
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 |
|---|---|---|---|---|---|---|---|
0.28 | Single-Family Home | $1,205,000 | 07/15/26 | 5 | 3.5 | 2,448 | |
0.26 | Single-Family Home | $999,999 | 05/15/26 | 4 | 2.5 | 3,087 | |
0.23 | Single-Family Home | $935,000 | 05/08/26 | 4 | 2.5 | 2,204 | |
0.15 | Single-Family Home | $1,525,000 | 05/22/26 | 6 | 5.5 | 3,438 | |
0.13 | Single-Family Home | $835,000 | 01/27/26 | 4 | 2.5 | 2,676 | |
0.32 | Single-Family Home | $1,850,000 | 05/29/26 | 8 | 5.5 | 5,145 | |
0.37 | Single-Family Home | $1,110,000 | 05/08/26 | 4 | 2.5 | 2,925 | |
0.65 | Single-Family Home | $1,350,000 | 02/10/26 | 4 | 2.5 | 2,598 | |
0.60 | Single-Family Home | $800,000 | 11/06/25 | 6 | 3 | 3,000 | |
0.45 | Single-Family Home | $950,000 | 03/25/26 | 4 | 2 | 2,662 |
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 |
|---|---|---|---|---|---|---|
0.05 | - | 5 | 3.5 | 3,308 | Off Market | |
0.04 | $988,600 | 4 | 2.5 | 3,041 | Off Market | |
0.10 | $1,451,100 | 3 | 2 | 3,100 | Off Market | |
0.06 | $1,449,000 | 3 | 2 | 1,835 | For Sale | |
0.11 | $1,250,700 | 4 | 3 | 2,494 | Off Market | |
0.12 | $954,900 | 4 | 3 | 2,668 | Off Market | |
0.09 | - | 2 | 1.5 | 1,354 | Off Market | |
0.09 | $1,886,500 | 4 | 3.5 | 2,980 | Off Market | |
0.16 | $735,000 | 4 | 2 | 1,870 | Recently Sold | |
0.16 | $399,000 | - | - | - | For Sale | |
0.11 | $728,800 | 3 | 2 | 1,788 | Off Market | |
0.15 | - | - | - | - | Off Market |
Local Information
-- mins to
Home Highlights
Property Type
Single-Family Home
Year Built
1964
Lot Size
0.5 acres
Living Area
3,610 sqft
Price/Sqft
$480
About this House
This Magnificent Water Front Home Is Perfect For Any Boater! 160 Feet Of Bulk Head 5Yrs Old. Amazing Sunsets From Every Floor. 2 Story Great Room With Balcony All Around From Second Floor. Dual Fireplace Into The Formal Which Then Leads To The 4 Seasons Sunroom To Watch Nature At It's Best On The Water. Country Club Backyard With Custom Designed In Ground Pool, Cabana House With Half Bath Etc. Master Suite With Sitting Room, Grand Walk In Closet, Sitting Room With Magnificent Water Views!!!
20 Bayview Ave, Islip, NY 11751 is a 5 bedroom, 4 bathroom, 3,610 sqft single-family home built in 1964. It last sold for $1,300,000 on Aug 16, 2018. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $1,732,500, with a rent estimate of $5,885/month.
Home Details for 20 Bayview Ave
|
|---|
Year Built Year Built: 1964 |
Property Type / Style Property Type: Single Family HomeArchitecture: Other |
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Interior Details Number of Rooms: 10Types of Rooms: Dining Room |
Appliances & Utilities DryerRefrigeratorWasher |
Heating & Cooling Air ConditioningCooling System: Central |
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Exterior Home Features Patio |
Pool Pool |
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Lot Area: 0.50 acres |
Price and Tax history
| Date | Event | Price |
|---|---|---|
Aug 16, 2018 Source: OneKeyยฎ MLS as distributed by MLS GRID #L3019230 | Sold | $1,300,000 |
Jun 14, 2018 Source: Agent Provided | Pending | $1,349,990 |
Apr 10, 2018 Source: Agent Provided | Listed For Sale | $1,349,990 |
| Year | Property tax | Tax assessment |
|---|---|---|
| 2025 | Unavailable | $96,000 |
Home facts updated by county records
Market trends in Islip
Last updated July 2026
Avg. sale price
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Sale-to-List Price
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Price per sq ft
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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.
LGBTQ Local Legal Protections
LGBTQ Local Legal Protections
Frequently asked questions about 20 Bayview Ave
- What is 20 Bayview Ave estimated to be worth?Trulia's estimated value for 20 Bayview Ave in Islip, NY is $1,732,500.
- What is the price history for 20 Bayview Ave?20 Bayview Ave in Islip, NY last sold for $1,300,000 in August 2018.
- 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 20 Bayview Ave have air conditioning?Yes, 20 Bayview Ave in Islip, NY has air conditioning.
- Does 20 Bayview Ave have a pool?Yes, 20 Bayview Ave in Islip, NY has a pool.

