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35 Osborne Avenue, Mount Sinai, NY 11766 Property Information

35 Osborne Avenue, Mount Sinai, NY 11766 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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35 Osborne Avenue, Mount Sinai, NY 11766
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Address

Primary address 35 Osborne Avenue, Mount Sinai
Zip code 11766
County Suffolk
Municipality Brookhaven
Parcel ID 1143026

Sales & Tax Overview for 35 Osborne Avenue, Mount Sinai

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Property tax $12,789

Lot & Building Information for 35 Osborne Avenue, Mount Sinai

Building sqft 2,384
Building class One Family Year-Round Residence (210)
Acreage 0.38
Year built 1970
Rooms 8
Bedrooms 4
Bathrooms 1
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


School district Mount Sinai

View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.

Other Property Data for 35 Osborne Avenue, Mount Sinai

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About 35 Osborne Avenue, Mount Sinai

What is the year built & the total sq. ft. for 35 Osborne Avenue, Mount Sinai, NY 11766?

35 Osborne Avenue, Mount Sinai, NY 11766 was built in 1970 and has a total of 2,384 square feet.

What is the assessed value of 35 Osborne Avenue, Mount Sinai, NY 11766 and the property tax paid?

Assessed at $3,110, the tax amount paid for 35 Osborne Avenue, Mount Sinai, NY 11766 is $12,788.

When was 35 Osborne Avenue, Mount Sinai, NY 11766 last sold?

35 Osborne Avenue, Mount Sinai, NY 11766 was last sold in 09/17/2009.

Ownership Information

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Real Estate Reports:
Laura Pop-Badiu, May 21, 2026 How to Find Land Boundaries: Free & Paid Methods
If you need to find land boundaries fast, you can start with a free county parcel/GIS viewer or a premium platform like PropertyShark to see an approximate parcel outline and lot data. However, keep in mind that a web-based land boundaries map is a starting point, not the legal finish line.
Laura Pop-Badiu, May 07, 2026 Locked-In Owners, Mobile Renters: Homeowners Stay Put as Renters Move 3.7x More Across Largest U.S. Cities 
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Eliza Theiss, Apr 23, 2026 $4.6M Hudson Yards Maintains Top Spot, Luxury Sales in Malba Set $2.5M Price Record for Queens
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Research 100M+ property records powered by:
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Past Sales & Property History for 35 Osborne Avenue, Mount Sinai

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No recorded sales for this property.

Title Documents for 35 Osborne Avenue, Mount Sinai

To view the complete history of deeds, mortgages, assignments of leases and rents, and more, sign up for free. Available data goes back to 1966.

Date Type Amount Party 1 Party 2 Doc image
09/17/2009 - D
09/15/2010 - R
Deed
           
           
           
           
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R: Recorded date
D: Document date

Property Taxes for 35 Osborne Avenue, Mount Sinai

Access detailed property tax data for 35 Osborne Avenue, Mount Sinai, NY 11766. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year 2025-2026
Property tax $12,789
Market value $586,793
Assessed value $3,110

Assessment History for 35 Osborne Avenue, Mount Sinai

Here's the assessment & property tax history for 35 Osborne Avenue, Mount Sinai, including the evolution of the total tax rate and corresponding property tax.

Year Market value Assessment value Total tax rate Property tax Year over year change
2024-2025 $586,793 $3,110 394.249 $12,261 +3.18%
2023-2024 $575,926 $3,110 382.097 $11,883 +3.44%
2022-2023 $501,613 $3,110 369.378 $11,488 +2.22%
2021-2022 $420,271 $3,110 361.352 $11,238 +2.37%
2020-2021 $403,896 $3,110 352.982 $10,978 +2.16%

Permits for 35 Osborne Avenue, Mount Sinai

The complete history of permits filed for 35 Osborne Avenue, Mount Sinai, including new construction or demolition permits, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.

Data not available for this property.

Risk

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FEMA flood zone(s) X (See more on map)

Transportation

Access the detailed traffic volume map for 35 Osborne Avenue, Mount Sinai to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

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Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance to school (mi)
Clinton Avenue School NR Public K-2 441 1.69
West Middle Island School 4 Public K-4 642 1.95
North Shore Christian School NR Private PK, K-6 101 2.09
North Shore Christian School NR Private PK, K-6 101 2.09
John F Kennedy Middle School 4 Public 4, 6-8 822 2.13

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
John F Kennedy Middle School 4 Public 4, 6-8 822 2.13
Mount Sinai Middle School 5 Public 5-8 667 2.15
North Country Road School 5 Public 6-8 534 3.49
Selden Middle School 4 Public 6-8 1,058 3.54
Maryhaven Center Of Hope NR Private 47 3.54

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Comsewogue High School 6 Public 9-12 1,153 1.40
Miller Place High School 9 Public 9-12 820 1.88
Mount Sinai High School 9 Public 9-12 720 2.29
Sunshine Alternative Education Center NR Private 10-12 10 2.57
Ward Melville Senior High School 10 Public 9-12 1,507 3.50

Data provided by GreatSchools.org © 2025. All rights reserved.

Neighbors for 35 Osborne Avenue, Mount Sinai

Here are the neighbors for 35 Osborne Avenue, Mount Sinai.

Address Square feet Purchase date Purchase price
31 Osborne Ave, Mount Sinai 2,400 03/15/2018 $455,000
29 Osborne Ave, Mount Sinai 2,334 10/02/1998 $143,000
2 Barry Ln, Mount Sinai 2,051
23 Osborne Ave, Mount Sinai 1,730 10/31/2018 $368,000
38 Osborne Ave, Mount Sinai 2,099 03/24/2005 $392,000
19 Osborne Ave, Mount Sinai 1,730 05/14/2024
39 Osborne Ave, Mount Sinai 2,372 04/24/2015
47 Osborne Ave, Mount Sinai 2,012 10/09/2014 $75,245
27 Osborne Ave, Mount Sinai 2,283 07/30/1998
41 Osborne Ave, Mount Sinai 1,973 09/30/1999 $230,000
43 Osborne Ave, Mount Sinai 1,973 01/30/2003
46 Osborne Ave, Mount Sinai 1,934 03/26/1997 $171,000
33 Osborne Ave, Mount Sinai 3,072 06/30/2009 $589,000
17 Osborne Ave, Mount Sinai 2,366 12/22/2016 $10
15 Osborne Ave, Mount Sinai 1,660 04/03/2012
21 Osborne Ave, Mount Sinai 2,552 06/14/2024 $720,000
40 Osborne Ave, Mount Sinai 2,211 03/03/2015 $397,500
37 Osborne Ave, Mount Sinai 2,479 02/03/2024 $10
45 Osborne Ave, Mount Sinai 2,332 03/24/2003
1 Celia St, Mount Sinai 2,410

Nearby ZIP Codes for 35 Osborne Avenue, Mount Sinai

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