Suffolk County  »  11766  »  Chestnut St  »  99 Chestnut St

99 Chestnut Street, Mount Sinai, NY 11766 - Property report

Also known as: 99 Chestnut St

Property image for 99 Chestnut Street, Mount Sinai, NY 11766
static Mapbox map

Property type

One Family Year-Round Residence (210)

Year built

1928

Acreage

1.23

Sale price

$338,000

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
99 Chestnut Street
ZIP code
11766
County
Suffolk
Village (SWIS code)
472289
Parcel ID
1142680

Owner

Find out who owns 99 Chestnut Street, Mount Sinai, NY 11766. Uncover corporate and individual owners with a free account.

Sales
Sale date
11/06/2009
Sale price
$338,000
Arm's length
Tax
Tax year
2025-2026
Current property tax
$5,140
Zoning & Use
Zoning
Residence (A-1)
Building
Property type
One Family Year-Round Residence (210)
Building sq. ft.
801
Year built
1928
Lot
Acreage
1.23

Area overview

Walk score
11 /100.  Car-Dependent
Transit score
0 /100.  Minimal Transit
Bike score
30 /100.  Somewhat Bikeable
School district
472207

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

Ownership

Ownership information for 99 Chestnut Street, Mount Sinai, NY

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

Sales history for 99 Chestnut Street, Mount Sinai, NY 11766

Sale date Sale price Buyer name Seller name
11/06/2009 $338,000 XXXXXX XXXXXXX X; XXXXXXXXX XXXXXX XXXX XXXXXXX X; XXXXXXXXX XXXXXXX
01/07/2004 $290,000 XXXXXXX XXXXXXXXX XXXXXX XXXXXXXX

*Most recent sales on record for this property.

More about Suffolk County property records.

Title documents

Date Type Amount Party 1 Party 2
07/28/2025 - R
06/02/2025 - D		 Deed XXXXXXX XXXXXX X XXXXXXX XX XXXXXX XXXXXX X XXXXXXX
01/29/2019 - R
01/21/2019 - D		 Assignment XXXXXXX XXX XXXX XXX XXXXXXXX XXXXXXX XXX
11/17/2009 - R
11/06/2009 - D		 Deed
(Bargain & Sale Deed)		 XXXX XXXXXXX X XXXXXX XXXXXXX X
06/12/2006 - R
05/15/2006 - D		 Deed
04/13/2004 - R
01/07/2004 - D		 Deed XXXXXX XXXXXXXX XXXXXXX XXXXXXXXX
03/08/2004 - R
07/29/2003 - D		 Deed
12/22/2003 - R
07/29/2003 - D		 Deed

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 99 Chestnut Street, 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
$5,140
Recent tax assessments
Market value
$235,849
Assessed value
$1,250

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 $235,849 $1,250 411.221 $5,140 +4.30%
2024-2025 $235,849 $1,250 394.249 $4,928 +3.18%
2023-2024 $231,481 $1,250 382.097 $4,776 +3.44%
2022-2023 $201,613 $1,250 369.378 $4,617 +2.22%
2021-2022 $168,919 $1,250 361.352 $4,517 +2.37%
2020-2021 $162,338 $1,250 352.982 $4,412 +2.16%
2019-2020 $145,349 $1,250 345.531 $4,319 +0.12%
2018-2019 $145,349 $1,250 345.113 $4,314 +21.23%
2017-2018 $116,667 $1,050 338.893 $3,558 +0.54%
2016-2017 $115,385 $1,050 337.064 $3,539 +1.70%
Permits

Permit information for 99 Chestnut Street, 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 99 Chestnut Street, 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 0.97
John F Kennedy Middle School 4 Public 4, 6-8 822 1.79
Clinton Avenue School NR Public K-2 441 1.90
North Shore Christian School NR Private PK, K-6 101 1.90
North Shore Christian School NR Private PK, K-6 101 1.90
Terryville Road School 2 Public 3-5 454 2.08
Mount Sinai Elementary School 7 Public K-4 659 2.33
Port Jefferson Elementary School 5 Public PK, K-5 364 2.43
Port Jefferson Elementary School 5 Public PK, K-5 364 2.43
Maryhaven Center Of Hope NR Private 47 2.54
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Mount Sinai Middle School 5 Public 5-8 667 0.97
John F Kennedy Middle School 4 Public 4, 6-8 822 1.79
Maryhaven Center Of Hope NR Private 47 2.54
North Country Road School 5 Public 6-8 534 2.58
Port Jefferson Middle School 7 Public 6-8 222 2.96
Our Lady of Wisdom Regional School NR Private PK-8 74 3.29
Selden Middle School 4 Public 6-8 1,058 4.08
Rocky Point Middle School 4 Public 6-8 638 4.11
The Laurel Hill School NR Private PK-8 321 4.65
Jericho Elementary School 3 Public 1-5, 7 413 5.07
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Mount Sinai High School 9 Public 9-12 720 1.11
Miller Place High School 9 Public 9-12 820 1.50
Comsewogue High School 6 Public 9-12 1,153 1.54
Maryhaven Center Of Hope NR Private 47 2.54
Sunshine Alternative Education Center NR Private 10-12 10 2.86
Earl L Vandermeulen High School 9 Public 9-12 323 2.96
Ward Melville Senior High School 10 Public 9-12 1,507 3.13
Rocky Point High School 7 Public 9-12 923 4.04
Newfield High School 8 Public 9-12 1,559 4.34
Centereach High School 6 Public 9-12 1,475 5.09

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

Neighbors for 99 Chestnut Street, Mount Sinai, NY

93 Chestnut St, Mount Sinai 123 Chestnut St, Mount Sinai 131 Chestnut St, Mount Sinai 87 Chestnut St, Mount Sinai 83 Chestnut St, Mount Sinai 107 Chestnut St, Mount Sinai 109 Chestnut St, Mount Sinai 121 Chestnut St, Mount Sinai 127 Chestnut St, Mount Sinai 115 Chestnut St, Mount Sinai 91 Chestnut St, Mount Sinai 79 Chestnut St, Mount Sinai 111 Chestnut St, Mount Sinai 125 Chestnut St, Mount Sinai 75 Chestnut St, Mount Sinai 95 Chestnut St, Mount Sinai 103 Chestnut St, Mount Sinai 97 Chestnut St, Mount Sinai 81 Chestnut St, Mount Sinai 73 Chestnut St, Mount Sinai

Nearby ZIP codes for 99 Chestnut Street, 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 99 Chestnut Street, Mount Sinai, NY 11766?

The development at 99 Chestnut Street, Mount Sinai, NY 11766 was built in 1928.

What is the total square footage of 99 Chestnut Street, Mount Sinai, NY 11766?

99 Chestnut Street, Mount Sinai, NY 11766 has a total of 801 square feet.

When was 99 Chestnut Street, Mount Sinai, NY 11766 last sold and what was the sale price?

99 Chestnut Street, Mount Sinai, NY 11766 was last sold on 11/06/2009 for $338,000.

What is the assessed value of 99 Chestnut Street, Mount Sinai, NY 11766?

99 Chestnut Street, Mount Sinai, NY 11766 is currently assessed at $1,250.

What are the property taxes for 99 Chestnut Street, Mount Sinai, NY 11766?

The property taxes for 99 Chestnut Street, Mount Sinai, NY 11766 total $5,140.

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