Suffolk County  »  11733  »  Cornwallis Rd  »  21 Cornwallis Rd

21 Cornwallis Road, East Setauket, NY 11733 - Property report

Also known as: 21 Cornwallis Rd

Property image for 21 Cornwallis Road, East Setauket, NY 11733
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Property type

One Family Year-Round Residence (210)

Year built

1971

Acreage

0.52

Sale price

$836,000

General information

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Address
Primary address
21 Cornwallis Road
ZIP code
11733
County
Suffolk
Village (SWIS code)
472289
Parcel ID
439350

Owner

Find out who owns 21 Cornwallis Road, East Setauket, NY 11733. Uncover corporate and individual owners with a free account.

Sales
Sale date
08/16/2024
Sale price
$836,000
Arm's length
Tax
Tax year
2025-2026
Current property tax
$19,556
Building
Property type
One Family Year-Round Residence (210)
Building sq. ft.
2,416
Year built
1971
Lot
Acreage
0.52

Area overview

Walk score
10 /100.  Car-Dependent
Transit score
0 /100.  Minimal Transit
Bike score
36 /100.  Somewhat Bikeable
School district
472201

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

Ownership

Ownership information for 21 Cornwallis Road, East Setauket, NY

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

Sales history for 21 Cornwallis Road, East Setauket, NY 11733

Sale date Sale price Buyer name Seller name
08/16/2024 $836,000 XXXXXX XXXX XXXXX XXXXXXXX XXXXXXX X

*Most recent sale on record for this property.

More about Suffolk County property records.

Title documents

Date Type Amount Party 1 Party 2
10/08/2024 - R
08/16/2024 - D		 Deed XXXXXXX XXXXXXXX X XXXX XXXXXX XXXX

*Most recent recorded document on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 21 Cornwallis Road, East Setauket, NY

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

Current property tax
Tax year
2025-2026
Current property tax
$19,556
Base tax
$21,908
Recent tax assessments
Market value
$971,698
Assessed value
$5,150
Exemptions

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 $971,698 $5,150 425.389 $21,908 +4.07%
2024-2025 $971,698 $5,150 408.764 $21,051 +5.13%
2023-2024 $953,703 $5,150 388.818 $20,024 +1.20%
2022-2023 $830,645 $5,150 384.195 $19,786 +2.22%
2021-2022 $695,946 $5,150 375.859 $19,357 +1.41%
2020-2021 $668,831 $5,150 370.648 $19,088 +3.17%
2019-2020 $598,837 $5,150 359.253 $18,502 +0.87%
2018-2019 $598,837 $5,150 356.164 $18,342 +2.12%
2017-2018 $572,222 $5,150 348.773 $17,962 +1.86%
2016-2017 $565,934 $5,150 342.409 $17,634 +2.90%
Permits

Permit information for 21 Cornwallis Road, East Setauket, 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

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FEMA flood zones

FEMA flood zones
X

Transportation

Daily traffic map
View daily traffic map

Access the detailed traffic volume map for 21 Cornwallis Road, East Setauket, NY 11733 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)
Nassakeag Elementary School 7 Public PK, K-6 543 0.20
Nassakeag Elementary School 7 Public PK, K-6 543 0.20
Minnesauke Elementary School 8 Public PK, K-6 642 1.02
Minnesauke Elementary School 8 Public PK, K-6 642 1.02
International Christian School NR Private PK, K-12 0 1.76
International Christian School NR Private PK, K-12 0 1.76
William Sidney Mount School 6 Public PK, K-6 511 1.80
William Sidney Mount School 6 Public PK, K-6 511 1.80
Arrowhead Elementary School 5 Public PK, K-6 571 1.89
Arrowhead Elementary School 5 Public PK, K-6 571 1.89
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Robert Cushman Murphy Junior High School 8 Public 7-9 667 1.12
The Stony Brook School NR Private 7-12 412 1.55
International Christian School NR Private PK, K-12 0 1.76
Paul J Gelinas Junior High School 8 Public 7-9 647 2.23
Dawnwood Middle School 5 Public 6-8 1,074 2.60
Harbor Country Day School NR Private PK-8 134 2.83
Port Jefferson Middle School 7 Public 6-8 222 2.88
The Laurel Hill School NR Private PK-8 321 2.92
John F Kennedy Middle School 4 Public 4, 6-8 822 3.10
Selden Middle School 4 Public 6-8 1,058 3.31
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
The Stony Brook School NR Private 7-12 412 1.55
Ward Melville Senior High School 10 Public 9-12 1,507 1.74
International Christian School NR Private PK, K-12 0 1.76
Centereach High School 6 Public 9-12 1,475 2.58
Earl L Vandermeulen High School 9 Public 9-12 323 2.88
Sunshine Alternative Education Center NR Private 10-12 10 2.94
Our Savior New American School NR Private PK, K-12 122 3.35
Maryhaven Center Of Hope NR Private 47 3.50
Newfield High School 8 Public 9-12 1,559 3.56
Comsewogue High School 6 Public 9-12 1,153 3.75

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

Neighbors for 21 Cornwallis Road, East Setauket, NY

27 Cornwallis Rd, East Setauket 31 Cornwallis Rd, East Setauket 41 Cornwallis Rd, East Setauket 2 Cornell CT, East Setauket 12 Settlers Way, East Setauket 5 Settlers Way, East Setauket 39 Cornwallis Rd, East Setauket 6 Settlers Way, East Setauket 25 Cornwallis Rd, East Setauket 15 Settlers Way, East Setauket 11 Settlers Way, East Setauket 23 Cornwallis Rd, East Setauket 7 Settlers Way, East Setauket 10 Settlers Way, East Setauket 17 Settlers Way, East Setauket 29 Cornwallis Rd, East Setauket 4 Cornell CT, East Setauket 26 Cornwallis Rd, East Setauket 9 Settlers Way, East Setauket 8 Settlers Way, East Setauket

Nearby ZIP codes for 21 Cornwallis Road, East Setauket, NY

11720, Suffolk County, NY 11727, Suffolk County, NY 11738, Suffolk County, NY 11741, Suffolk County, NY 11742, Suffolk County, NY 11749, Suffolk County, NY 11754, Suffolk County, NY 11755, Suffolk County, NY 11764, Suffolk County, NY 11766, Suffolk County, NY 11767, Suffolk County, NY 11776, Suffolk County, NY 11777, Suffolk County, NY 11779, Suffolk County, NY 11780, Suffolk County, NY 11784, Suffolk County, NY 11787, Suffolk County, NY 11788, Suffolk County, NY 11790, Suffolk County, NY

Frequently asked questions

What is the year built for 21 Cornwallis Road, East Setauket, NY 11733?

The development at 21 Cornwallis Road, East Setauket, NY 11733 was built in 1971.

What is the total square footage of 21 Cornwallis Road, East Setauket, NY 11733?

21 Cornwallis Road, East Setauket, NY 11733 has a total of 2,416 square feet.

When was 21 Cornwallis Road, East Setauket, NY 11733 last sold and what was the sale price?

21 Cornwallis Road, East Setauket, NY 11733 was last sold on 08/16/2024 for $836,000.

What is the assessed value of 21 Cornwallis Road, East Setauket, NY 11733?

21 Cornwallis Road, East Setauket, NY 11733 is currently assessed at $5,150.

What are the property taxes for 21 Cornwallis Road, East Setauket, NY 11733?

The property taxes for 21 Cornwallis Road, East Setauket, NY 11733 total $21,907.

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