Suffolk County  »  11766  »  Osborne Ave  »  70 Osborne Ave

70 Osborne Avenue, Mount Sinai, NY 11766 - Property report

Also known as: 70 Osborne Ave

Property image for 70 Osborne Avenue, Mount Sinai, NY 11766
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Property type

One Family Year-Round Residence (210)

Year built

1970

Acreage

0.36

Sale price

$665K

General information

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Address
Primary address
70 Osborne Avenue
ZIP code
11766
County
Suffolk
Village (SWIS code)
472289
Parcel ID
1143069

Owner

Find out who owns 70 Osborne Avenue, Mount Sinai, NY 11766. Uncover corporate and individual owners with a free account.

Sales
Sale date
08/23/2021
Sale price
$665,000
Arm's length
Tax
Tax year
2025-2026
Current property tax
$14,290
Building
Property type
One Family Year-Round Residence (210)
Building sq. ft.
2,263
Year built
1970
Lot
Acreage
0.36

Area overview

Walk score
0 /100.  Car-Dependent
Transit score
0 /100.  Minimal Transit
Bike score
35 /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 70 Osborne Avenue, Mount Sinai, NY

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

Sales history for 70 Osborne Avenue, Mount Sinai, NY 11766

Sale date Sale price Buyer name Seller name
08/23/2021 $665,000 XXXXX XXXXXXXXXX X.; XXXXXXX XXXXXXX XXXXXX XXXXX X.; XXXXXXX XXXXX X,
03/19/2001 $279,900 XXXXX XXXXXX X XXXXXX XXXXXX
08/27/1998 $181,280 XXXXXX XXXXXX/XXXXXXXX XXXXX XXXXXX X/XXXXXXX X

*Most recent sales on record for this property.

More about Suffolk County property records.

Title documents

Date Type Amount Party 1 Party 2
12/10/2021 - R
09/24/2021 - D		 Discharge XXXXXX X XXXXX XXXXXXXX XXXXXXX XXXXXX XXXXX
10/27/2021 - R
08/23/2021 - D		 Deed XXXXXX XXXXX X. XXXXX XXXXXXXXXX X.
10/06/2021 - R
09/08/2021 - D		 Discharge XXXXXX X XXXXX XXXXXXXX XXXXXXX XXXXXX XXXXX
02/27/2020 - R Mortgage XXXXXX X XXXXX XXXXXXXX XXX
03/29/2001 - R
03/19/2001 - D		 Deed XXXXXX XXXXXX XXXXX XXXXXX X
09/22/1998 - R
08/27/1998 - D		 Deed XXXXX XXXXXX X/XXXXXXX X XXXXXX XXXXXX/XXXXXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 70 Osborne Avenue, 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
$14,290
Recent tax assessments
Market value
$655,661
Assessed value
$3,475

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 $655,661 $3,475 411.221 $14,290 +4.30%
2024-2025 $655,661 $3,475 394.249 $13,700 +3.18%
2023-2024 $643,519 $3,475 382.097 $13,278 +3.44%
2022-2023 $560,484 $3,475 369.378 $12,836 +2.22%
2021-2022 $469,595 $3,475 361.352 $12,557 +2.37%
2020-2021 $451,299 $3,475 352.982 $12,266 +2.16%
2019-2020 $404,070 $3,475 345.531 $12,007 +3.09%
2018-2019 $392,442 $3,375 345.113 $11,648 +1.84%
2017-2018 $375,000 $3,375 338.893 $11,438 +0.54%
2016-2017 $370,879 $3,375 337.064 $11,376 +1.70%
Permits

Permit information for 70 Osborne Avenue, 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

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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 70 Osborne Avenue, 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)
Clinton Avenue School NR Public K-2 441 1.66
West Middle Island School 4 Public K-4 642 1.77
Coram Elementary School 3 Public PK, K-4 914 2.02
Coram Elementary School 3 Public PK, K-4 914 2.02
North Shore Christian School NR Private PK, K-6 101 2.15
North Shore Christian School NR Private PK, K-6 101 2.15
Terryville Road School 2 Public 3-5 454 2.17
John F Kennedy Middle School 4 Public 4, 6-8 822 2.23
Stagecoach School 4 Public K-5 353 2.25
Boyle Road Elementary School 7 Public 3-5 334 2.47
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
John F Kennedy Middle School 4 Public 4, 6-8 822 2.23
Mount Sinai Middle School 5 Public 5-8 667 2.48
Selden Middle School 4 Public 6-8 1,058 3.32
Maryhaven Center Of Hope NR Private 47 3.79
North Country Road School 5 Public 6-8 534 3.83
Port Jefferson Middle School 7 Public 6-8 222 4.04
Jericho Elementary School 3 Public 1-5, 7 413 4.19
Rocky Point Middle School 4 Public 6-8 638 4.32
Our Lady of Wisdom Regional School NR Private PK-8 74 4.54
Dawnwood Middle School 5 Public 6-8 1,074 4.71
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Comsewogue High School 6 Public 9-12 1,153 1.43
Miller Place High School 9 Public 9-12 820 2.19
Sunshine Alternative Education Center NR Private 10-12 10 2.46
Mount Sinai High School 9 Public 9-12 720 2.61
Newfield High School 8 Public 9-12 1,559 3.50
Ward Melville Senior High School 10 Public 9-12 1,507 3.56
Maryhaven Center Of Hope NR Private 47 3.79
Earl L Vandermeulen High School 9 Public 9-12 323 4.04
Sachem High School East 7 Public 9-12 2,082 4.18
Rocky Point High School 7 Public 9-12 923 4.27

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

Neighbors for 70 Osborne Avenue, Mount Sinai, NY

78 Osborne Ave, Mount Sinai 88 Osborne Ave, Mount Sinai 94 Osborne Ave, Mount Sinai 50 Osborne Ave, Mount Sinai 48 Osborne Ave, Mount Sinai 80 Osborne Ave, Mount Sinai 58 Osborne Ave, Mount Sinai 82 Osborne Ave, Mount Sinai 74 Osborne Ave, Mount Sinai 84 Osborne Ave, Mount Sinai 1 Mead Ave, Mount Sinai 62 Osborne Ave, Mount Sinai 56 Osborne Ave, Mount Sinai 72 Osborne Ave, Mount Sinai 86 Osborne Ave, Mount Sinai 68 Osborne Ave, Mount Sinai 66 Osborne Ave, Mount Sinai 64 Osborne Ave, Mount Sinai 60 Osborne Ave, Mount Sinai 54 Osborne Ave, Mount Sinai

Nearby ZIP codes for 70 Osborne Avenue, 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 70 Osborne Avenue, Mount Sinai, NY 11766?

The development at 70 Osborne Avenue, Mount Sinai, NY 11766 was built in 1970.

What is the total square footage of 70 Osborne Avenue, Mount Sinai, NY 11766?

70 Osborne Avenue, Mount Sinai, NY 11766 has a total of 2,263 square feet.

When was 70 Osborne Avenue, Mount Sinai, NY 11766 last sold and what was the sale price?

70 Osborne Avenue, Mount Sinai, NY 11766 was last sold on 08/23/2021 for $665,000.

What is the assessed value of 70 Osborne Avenue, Mount Sinai, NY 11766?

70 Osborne Avenue, Mount Sinai, NY 11766 is currently assessed at $3,475.

What are the property taxes for 70 Osborne Avenue, Mount Sinai, NY 11766?

The property taxes for 70 Osborne Avenue, Mount Sinai, NY 11766 total $14,289.

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