Suffolk County  »  11790  »  Main St  »  20 Main St

20 Main Street, Stony Brook, NY 11790 - Property report

Also known as: 20 Main St

Property image for 20 Main Street, Stony Brook, NY 11790
static Mapbox map

Property type

One Family Year-Round Residence (210)

Year built

1880

Acreage

0.2

Sale price

$495,000

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 Main Street
ZIP code
11790
County
Suffolk
Village (SWIS code)
472289
Parcel ID
8601720

Owner

Find out who owns 20 Main Street, Stony Brook, NY 11790. Uncover corporate and individual owners with a free account.

Sales
Sale date
01/15/2021
Sale price
$495,000
Arm's length
Tax
Tax year
2025-2026
Current property tax
$7,444
Building
Property type
One Family Year-Round Residence (210)
Building sq. ft.
1,438
Year built
1880
Lot
Acreage
0.2

Area overview

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

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

Ownership

Ownership information for 20 Main Street, Stony Brook, NY

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

Sales history for 20 Main Street, Stony Brook, NY 11790

Sale date Sale price Buyer name Seller name
01/15/2021 $495,000 XXXX XXXXXXXX; XXXXX XXXXXXXX XXXXXXXX XXXXXXXXXX
04/27/2012 $370,500 XXXXXXXX XXXXXXXXXX XXXXXXXXX XXXXXX X; XXXXXXX XXXXXX X
08/07/2007 $389,000 XXXXXXXXX XXXXXX X; XXXXXXX XXXXXX X XXXXXXX XXXXXX X; XXXXX XXXXXX X

*Most recent sales on record for this property.

More about Suffolk County property records.

Title documents

Date Type Amount Party 1 Party 2
04/13/2021 - R
01/15/2021 - D		 Deed
(Bargain and sale)		 XXXXXXXX XXXXXXXXXX XXXX XXXXXXXX
05/09/2012 - R
04/27/2012 - D		 Deed
(Bargain and sale)		 XXXXXXXXX XXXXXX X XXXXXXXX XXXXXXXXXX
08/16/2007 - R
08/07/2007 - D		 Deed
(Bargain & sale deed)		 XXXXXXX XXXXXX X XXXXXXXXX XXXXXX X
07/13/2001 - R
12/29/2000 - D		 Deed XXXXXX XXXXX X XXXXXX XXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 20 Main Street, Stony Brook, 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
$7,444
Recent tax assessments
Market value
$330,189
Assessed value
$1,750

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 $330,189 $1,750 425.389 $7,444 +4.07%
2024-2025 $330,189 $1,750 408.764 $7,153 +5.13%
2023-2024 $324,075 $1,750 388.818 $6,804 +1.20%
2022-2023 $282,258 $1,750 384.195 $6,723 +2.22%
2021-2022 $236,487 $1,750 375.859 $6,578 +1.41%
2020-2021 $227,273 $1,750 370.648 $6,486 +3.17%
2019-2020 $203,488 $1,750 359.253 $6,287 +0.87%
2018-2019 $203,488 $1,750 356.164 $6,233 +2.12%
2017-2018 $194,444 $1,750 348.773 $6,104 +1.86%
2016-2017 $192,308 $1,750 342.409 $5,992 +2.90%
Permits

Permit information for 20 Main Street, Stony Brook, 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 Main Street, Stony Brook, NY 11790 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)
International Christian School NR Private PK, K-12 0 0.55
International Christian School NR Private PK, K-12 0 0.55
North Shore Montessori NR Private PK-K 63 0.74
North Shore Montessori NR Private PK-K 63 0.74
William Sidney Mount School 6 Public PK, K-6 511 1.29
William Sidney Mount School 6 Public PK, K-6 511 1.29
Harbor Country Day School NR Private PK-8 134 1.58
Nassakeag Elementary School 7 Public PK, K-6 543 1.87
Nassakeag Elementary School 7 Public PK, K-6 543 1.87
Minnesauke Elementary School 8 Public PK, K-6 642 2.10
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
International Christian School NR Private PK, K-12 0 0.55
The Stony Brook School NR Private 7-12 412 0.94
Harbor Country Day School NR Private PK-8 134 1.58
Robert Cushman Murphy Junior High School 8 Public 7-9 667 2.02
Paul J Gelinas Junior High School 8 Public 7-9 647 2.13
The Knox School NR Private 6-12 156 2.29
Ss Philip & James School NR Private PK-8 214 2.56
Nesaquake Middle School 7 Public 6-8 473 3.31
Dawnwood Middle School 5 Public 6-8 1,074 3.88
Port Jefferson Middle School 7 Public 6-8 222 4.25
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
International Christian School NR Private PK, K-12 0 0.55
The Stony Brook School NR Private 7-12 412 0.94
The Knox School NR Private 6-12 156 2.29
Smithtown High School East 10 Public 9-12 1,475 3.17
Ward Melville Senior High School 10 Public 9-12 1,507 3.56
Centereach High School 6 Public 9-12 1,475 3.91
Earl L Vandermeulen High School 9 Public 9-12 323 4.25
Lake Grove School NR Private 8-12 50 4.39
Our Savior New American School NR Private PK, K-12 122 4.57
Newfield High School 8 Public 9-12 1,559 5.17

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

Neighbors for 20 Main Street, Stony Brook, NY

17 Bennett Ln, Stony Brook 43 Erland Rd, Stony Brook 159 Christian Ave, Stony Brook 9 Hilltop Rd, Stony Brook 23 W Meadow Ln, Stony Brook 233 Christian Ave, Stony Brook 237 Christian Ave, Stony Brook 41 Erland Rd, Stony Brook 5 Terrell Ln, Stony Brook 44 Erland Rd, Stony Brook 12 Dogwood Dr, Stony Brook 24 W Meadow Ln, Stony Brook 30 Lubber St, Stony Brook 104 Christian Ave, Stony Brook 15 Bennett Ln, Stony Brook 192 Christian Ave, Stony Brook 39 Erland Rd, Stony Brook 163 Christian Ave, Stony Brook 89 Christian Ave, Stony Brook 10 Dickerson Ave, Stony Brook

Nearby ZIP codes for 20 Main Street, Stony Brook, NY

11716, Suffolk County, NY 11720, Suffolk County, NY 11727, Suffolk County, NY 11733, 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 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

Frequently asked questions

What is the year built for 20 Main Street, Stony Brook, NY 11790?

The development at 20 Main Street, Stony Brook, NY 11790 was built in 1880.

What is the total square footage of 20 Main Street, Stony Brook, NY 11790?

20 Main Street, Stony Brook, NY 11790 has a total of 1,438 square feet.

When was 20 Main Street, Stony Brook, NY 11790 last sold and what was the sale price?

20 Main Street, Stony Brook, NY 11790 was last sold on 01/15/2021 for $495,000.

What is the assessed value of 20 Main Street, Stony Brook, NY 11790?

20 Main Street, Stony Brook, NY 11790 is currently assessed at $1,750.

What are the property taxes for 20 Main Street, Stony Brook, NY 11790?

The property taxes for 20 Main Street, Stony Brook, NY 11790 total $7,444.

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