Suffolk County » 11751 » Avondale Dr » 21 Avondale Dr

21 Avondale Drive, Islip, NY 11751 Property Information

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Address

Primary address	21 Avondale Drive, Islip
Zip code	11751
County	Suffolk

Municipality	Islip
Parcel ID	397-1-38

Sales & Tax Overview for 21 Avondale Drive, Islip

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Sale date	11/01/1996
Sale price	$164,500

Arm's length	Register
Property tax	$14,772

Lot & Building Information for 21 Avondale Drive, Islip

Building class	One Family Year-Round Residence (210)
Acreage	0.27

Zoning, Use & Area Overview

Walk Score

Transit Score

Bike Score

Zoning district	Register
School district	Islip

View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.

Other Property Data for 21 Avondale Drive, Islip

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About 21 Avondale Drive, Islip

What is the assessed value of 21 Avondale Drive, Islip, NY 11751 and the property tax paid?

Assessed at $46,800, the tax amount paid for 21 Avondale Drive, Islip, NY 11751 is $14,771.

When was 21 Avondale Drive, Islip, NY 11751 last sold?

21 Avondale Drive, Islip, NY 11751 was last sold in 09/27/2024.

Ownership Information

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Commercial Real Estate nearby

Real Estate Reports:

Lucian Alixandrescu, Jul 28, 2026 Brooklyn Emerges as NYC’s Coworking Growth Engine, Manhattan Rents Cross $100 in the Plaza District

New York City’s office market continued to lead the U.S. in Q2, but internal shifts were most visible in the flex office market. Brooklyn’s coworking inventory grew 6.2% Q-o-Q even as Manhattan’s supply retreated. At the same time, Brooklyn’s asking rents for traditional office leases climbed more than twice as fast as the national average.

Eliza Theiss, Jul 22, 2026 Prices Rise in 32 of NYC’s Leading Neighborhoods as City and Manhattan Hit Record Highs

Q2 2026 saw NYC and Manhattan reach historic highs, with Brooklyn and Queens marking close to new records as well. Meanwhile, Hudson Yards remained at the top, Central Midtown posted its highest price ever and Carroll Gardens marked its third consecutive quarter over $2 million

Laura Pop-Badiu, Jul 15, 2026 How to Find Property Owners — The Complete Guide

For real estate professionals looking for the best ways to find property owners — whether through free methods based on public sources or paid tools with verified, in-depth data — this comprehensive guide breaks down every step of the due diligence process.

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Past Sales & Property History for 21 Avondale Drive, Islip

Create a free account to view the complete sales history for 21 Avondale Drive, Islip, including title documents, transfer conditions, mortgages and liens.

Purchase date	Purchase price	Buyer name	Seller name
11/01/1996	$164,500	Register	Register

More about Suffolk County Property Records

Title Documents for 21 Avondale Drive, Islip

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R: Recorded date
D: Document date

Property Taxes for 21 Avondale Drive, Islip

Access detailed property tax data for 21 Avondale Drive, Islip, NY 11751. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year	2025-2026
Property tax	$14,772
Market value	$659,155
Assessed value	$46,800

More about Suffolk County Property Taxes

Assessment History for 21 Avondale Drive, Islip

Here's the assessment & property tax history for 21 Avondale Drive, Islip, including the evolution of the total tax rate and corresponding property tax.

Year	Market value	Assessment value	Total tax rate	Property tax	Year over year change
2025-2026	$659,155	$46,800	31.564	$14,772	+3.54%
2024-2025	$659,155	$46,800	30.486	$14,267	+3.73%
2023-2024	$642,857	$46,800	29.39	$13,755	+1.68%
2022-2023	$565,218	$46,800	28.904	$13,527	+0.07%
2021-2022	$504,310	$46,800	28.884	$13,518	+3.07%

Permits for 21 Avondale Drive, Islip

The complete history of permits filed for 21 Avondale Drive, Islip, including new construction or demolition permits, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.

Data not available for this property.

Risk

Create a free account to unlock extended information for 21 Avondale Drive, Islip, including whether it's located in FEMA flood zones, floodways or special flood hazard areas, as well as the Coastal barriers resources system area (COBRA).

FEMA flood zone(s)	X (See more on map)

Transportation

Access the detailed traffic volume map for 21 Avondale Drive, Islip to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

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Schools

Nearest elementary schools

Name	Rating	Type	Grade range	No of students	Distance (miles)
Maud S Sherwood Elementary School	6	Public	2-5	335	0.53
St Mary School	NR	Private	PK-8	413	0.74
St Mary School	NR	Private	PK-8	413	0.74
Wing Elementary School	NR	Public	K-1	379	1.08
John F Kennedy Elementary School	5	Public	3-5	450	1.16

Nearest middle schools

Name	Rating	Type	Grade range	No of students	Distance (miles)
St Mary School	NR	Private	PK-8	413	0.74
Islip Middle School	4	Public	6-8	641	0.76
St Patrick School	NR	Private	PK-8	534	1.82
East Islip Middle School	6	Public	6-8	804	2.19
Bay Shore Middle School	5	Public	6-8	1,298	2.49

Nearest high schools

Name	Rating	Type	Grade range	No of students	Distance (miles)
Islip High School	9	Public	9-12	892	0.78
East Islip High School	8	Public	9-12	1,145	2.25
Bay Shore Senior High School	5	Public	9-12	1,910	2.38
MDQ Academy	NR	Private	PK-12	412	3.75
Brentwood High School	3	Public	9-12	4,641	4.10

Neighbors for 21 Avondale Drive, Islip

Here are the neighbors for 21 Avondale Drive, Islip.

Address	Square feet	Purchase date	Purchase price
1692 Manatuck Blvd, Bay Shore	960	11/20/2017	$238,500
1614 Manatuck Blvd, Bay Shore		08/26/2002
149 Glensummer Rd, Holbrook		09/23/2019
33 Community Rd, Bay Shore	1,424	07/22/2025	$610,000
46 Timber Ridge Dr, Holbrook	1,403	06/03/2021	$510,000
64 Bushwick Ave, Brentwood		12/11/1996	$87,000
14 Oneil Ave, Bay Shore		08/19/2025
15 S 4th St, Bay Shore		06/13/2023
52 Normandy Dr, Holbrook		06/18/2003
1549 Illinois Ave, Bay Shore		12/05/2015
266 Feller Dr, Central Islip		02/11/2025
159 Atlantic Pl, Hauppauge		04/05/2006	$470,000
3 Dione Ln, Hauppauge	1,909	04/01/2022	$600,000
19 Sequoia Way, Holbrook		08/06/2025	$815,000
480 Grundy Ave, Holbrook		06/13/2020
3 Alfred St, Sayville		07/08/2022	$535,000
114 Yale Ave, Oakdale		11/29/2012
10 Kemp St, East Islip		06/22/2000
85 Pace Dr S, West Islip		05/17/2006	$960,000
9 Claremont Ave, Bay Shore	1,760	06/03/2021	$415,000

Nearby ZIP Codes for 21 Avondale Drive, Islip

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Date	Type	Amount	Party 1	Party 2	Doc image
11/07/2024 - R 09/27/2024 - D	Deed
11/06/1996 - R 11/01/1996 - D	Deed