Suffolk County  »  11766  »  Island Trl  »  20 Island Trl

20 Island Trl, Mount Sinai, NY 11766 - Property report

Also known as: 20 Island Trl

Property image for 20 Island Trl, Mount Sinai, NY 11766
static Mapbox map

Property type

Townhouse or Single Family Residential (211)

Year built

2005

Acreage

0.38

Sale price

$564K

General information

Unlock this property report with a free account

Access up-to-date information from property owner names to sales history, deeds, tax info, mortgages, development data, planimetric maps and more.

Address
Primary address
20 Island Trl
ZIP code
11766
County
Suffolk
Village (SWIS code)
472289
Parcel ID
1122240

Owner

Find out who owns 20 Island Trl, Mount Sinai, NY 11766. Uncover corporate and individual owners with a free account.

Sales
Sale date
03/22/2005
Sale price
$564,900
Arm's length
Tax
Tax year
2025-2026
Current property tax
$17,970
Building
Property type
Townhouse or Single Family Residential (211)
Building sq. ft.
3,474
Year built
2005
Lot
Acreage
0.38

Area overview

Walk score
10 /100.  Car-Dependent
Transit score
0 /100.  Minimal Transit
Bike score
29 /100.  Somewhat Bikeable

Data provided by: Walk Score®

School district
472207

View more such as transportation, nearby schools and risk designations.

Ownership

Ownership information for 20 Island Trl, Mount Sinai, NY

Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address
Documents

Sales history for 20 Island Trl, Mount Sinai, NY 11766

Sale date Sale price Buyer name Seller name
03/22/2005 $564,900 XXXXXXX XXXXXXX X XXXXXX XXXXXXX XX XXXXX XX

*Most recent sale on record for this property.

More about Suffolk County property records.

Title documents

Date Type Amount Party 1 Party 2
07/06/2023 - R
04/11/2023 - D		 Discharge XXXX X XXXXXXX XXXXXXXXXXXXX XXXXXXX XXX XXXXXXXX XX
08/12/2021 - R Assignment XXXX X XXXXXXX XXXXXXX XXXX XXXX XXXXXXXX XXXX
08/06/2019 - R
07/17/2019 - D		 Assignment XXXX X XXXXXXX XXXXXXXXXXX XXXX XXXXXXXXX XXX
06/15/2005 - R
03/22/2005 - D		 Deed XXXXXX XXXXXXX XX XXXXX XX XXXXXXX XXXXXXX X

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 20 Island Trl, Mount Sinai, NY

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax
Tax year
2025-2026
Property tax
$17,970
Recent tax assessments
Market value
$824,528
Assessed value
$4,370

More about Suffolk County Property Taxes

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year Market value Assessed value Tax rate Property tax Y-o-Y change
2025-2026 $824,528 $4,370 411.221 $17,970 +4.30%
2024-2025 $824,528 $4,370 394.249 $17,229 +3.18%
2023-2024 $809,259 $4,370 382.097 $16,698 +3.44%
2022-2023 $704,839 $4,370 369.378 $16,142 +2.22%
2021-2022 $590,540 $4,370 361.352 $15,791 +2.37%
2020-2021 $567,532 $4,370 352.982 $15,425 +2.16%
2019-2020 $508,140 $4,370 345.531 $15,100 +0.12%
2018-2019 $508,140 $4,370 345.113 $15,081 +1.84%
2017-2018 $485,556 $4,370 338.893 $14,810 +0.54%
2016-2017 $480,220 $4,370 337.064 $14,730 +2.88%
Permits

Permit information for 20 Island Trl, Mount Sinai, NY

No recently recorded permits for this property.

Neighborhood

Brookhaven residential market stats

Access a detailed real estate market overview of Brookhaven so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Brookhaven and compare it to other neighborhoods in Suffolk.

Median sale price

$575,000

4.5% Y-o-Y

Median price/sq. ft.

$348

2.4% Y-o-Y

Suffolk county median sale price

$677,000

5.9% Y-o-Y

Risk

Create a free account to unlock expanded risk information, such as crime incidents in the area, tsunami and landslides risks, or its location relative to FEMA flood zones and the Coastal Barriers Resources System Area (COBRA).

FEMA flood zones

FEMA flood zones
X

Transportation

Daily traffic map
View daily traffic map

Access the detailed traffic volume map for 20 Island Trl, Mount Sinai, NY 11766 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
Mount Sinai Middle School 5 Public 5-8 667 1.05
Mount Sinai Elementary School 7 Public K-4 659 1.99
Sound Beach School 4 Public 3-5 473 2.15
John F Kennedy Middle School 4 Public 4, 6-8 822 2.34
Andrew Muller Primary School NR Public K-2 468 2.39
Clinton Avenue School NR Public K-2 441 2.41
North Shore Christian School NR Private PK, K-6 101 2.45
North Shore Christian School NR Private PK, K-6 101 2.45
Terryville Road School 2 Public 3-5 454 2.63
Port Jefferson Elementary School 5 Public PK, K-5 364 2.75
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Mount Sinai Middle School 5 Public 5-8 667 1.05
North Country Road School 5 Public 6-8 534 2.17
John F Kennedy Middle School 4 Public 4, 6-8 822 2.34
Maryhaven Center Of Hope NR Private 47 2.89
Port Jefferson Middle School 7 Public 6-8 222 3.38
Rocky Point Middle School 4 Public 6-8 638 3.57
Our Lady of Wisdom Regional School NR Private PK-8 74 3.61
Selden Middle School 4 Public 6-8 1,058 4.56
The Laurel Hill School NR Private PK-8 321 5.04
Jericho Elementary School 3 Public 1-5, 7 413 5.54
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Miller Place High School 9 Public 9-12 820 0.95
Mount Sinai High School 9 Public 9-12 720 1.27
Comsewogue High School 6 Public 9-12 1,153 2.05
Maryhaven Center Of Hope NR Private 47 2.89
Earl L Vandermeulen High School 9 Public 9-12 323 3.38
Sunshine Alternative Education Center NR Private 10-12 10 3.38
Rocky Point High School 7 Public 9-12 923 3.50
Ward Melville Senior High School 10 Public 9-12 1,507 3.67
Newfield High School 8 Public 9-12 1,559 4.81
Centereach High School 6 Public 9-12 1,475 5.62

Data provided by GreatSchools.org © 2026. All rights reserved.

Neighbors for 20 Island Trl, Mount Sinai, NY

48 Island Trl, Mount Sinai 16 Island Trl, Mount Sinai 30 Island Trl, Mount Sinai 8 Island Trl, Mount Sinai 22 Island Trl, Mount Sinai 32 Island Trl, Mount Sinai 34 Island Trl, Mount Sinai 38 Island Trl, Mount Sinai 1 Island Trl, Mount Sinai 7 Island Trl, Mount Sinai 52 Island Trl, Mount Sinai 44 Island Trl, Mount Sinai 18 Island Trl, Mount Sinai 14 Island Trl, Mount Sinai 60 Island Trl, Mount Sinai 9 Island Trl, Mount Sinai 36 Island Trl, Mount Sinai 50 Island Trl, Mount Sinai 3 Island Trl, Mount Sinai 5 Island Trl, Mount Sinai

Nearby ZIP codes for 20 Island Trl, Mount Sinai, NY

11720, Suffolk County, NY 11727, Suffolk County, NY 11733, Suffolk County, NY 11738, Suffolk County, NY 11742, Suffolk County, NY 11755, Suffolk County, NY 11763, Suffolk County, NY 11764, Suffolk County, NY 11776, Suffolk County, NY 11777, Suffolk County, NY 11778, Suffolk County, NY 11784, Suffolk County, NY 11786, Suffolk County, NY 11789, Suffolk County, NY 11790, Suffolk County, NY 11953, Suffolk County, NY 11961, Suffolk County, NY 11980, Suffolk County, NY

Frequently asked questions

What is the year built for 20 Island Trl, Mount Sinai, NY 11766?

The development at 20 Island Trl, Mount Sinai, NY 11766 was built in 2005.

What is the total square footage of 20 Island Trl, Mount Sinai, NY 11766?

20 Island Trl, Mount Sinai, NY 11766 has a total of 3,474 square feet.

When was 20 Island Trl, Mount Sinai, NY 11766 last sold and what was the sale price?

20 Island Trl, Mount Sinai, NY 11766 was last sold on 03/22/2005 for $564,900.

What is the assessed value of 20 Island Trl, Mount Sinai, NY 11766?

20 Island Trl, Mount Sinai, NY 11766 is currently assessed at $4,370.

What are the property taxes for 20 Island Trl, Mount Sinai, NY 11766?

The property taxes for 20 Island Trl, Mount Sinai, NY 11766 total $17,970.

Disclaimer

Copyright 2003-2026 by PropertyShark.com

All data comes from government sources. No attempt has been made to validate it. No attempt has been made to validate the accuracy of the programming of this website.

Do not rely on this report to support investment decisions. The only authoritative source for the information in this report is the government agencies from which the data was acquired.

Sign up for a free account