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105 Mt Sinai Avenue, Mount Sinai, NY 11766 Property Information

105 Mt Sinai Avenue, Mount Sinai, NY 11766 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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105 Mt Sinai Avenue, Mount Sinai, NY 11766
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Address

Primary address 105 Mt Sinai Avenue, Mount Sinai
Zip code 11766
County Suffolk
Municipality Brookhaven
Parcel ID 8710854

Sales & Tax Overview for 105 Mt Sinai Avenue, Mount Sinai

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

Sale date 03/21/1997
Sale price $55,000
Arm's length
Current property tax $17,197

Lot & Building Information for 105 Mt Sinai Avenue, Mount Sinai

Building sqft 2,749
Building class One Family Year-Round Residence (210)
Acreage 0.97
Year built 2000
Rooms 9
Bedrooms 4
Bathrooms 2
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district
School district Mount Sinai

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

Other Property Data for 105 Mt Sinai Avenue, Mount Sinai

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About 105 Mt Sinai Avenue, Mount Sinai

What is the year built & the total sq. ft. for 105 Mt Sinai Avenue, Mount Sinai, NY 11766?

105 Mt Sinai Avenue, Mount Sinai, NY 11766 was built in 2000 and has a total of 2,749 square feet.

What is the assessed value of 105 Mt Sinai Avenue, Mount Sinai, NY 11766 and the property tax paid?

Assessed at $4,400, the tax amount paid for 105 Mt Sinai Avenue, Mount Sinai, NY 11766 is $18,093.

When was 105 Mt Sinai Avenue, Mount Sinai, NY 11766 last sold?

105 Mt Sinai Avenue, Mount Sinai, NY 11766 was last sold in 10/21/1998.

Ownership Information

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Real Estate Reports:
Lucian Alixandrescu, May 27, 2026 NYC Office Market Ahead of National Curve: Manhattan Q1 Vacancy Drops to 13.1% 
New York City’s office market outpaced the U.S. on several major metrics in Q1, with Manhattan vacancy nearly 5 percentage points below the national benchmark, asking rents climbing against a downward national trend and flex inventory crossing 15 million square feet.
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 
Renters became the primary drivers of long-distance mobility across the largest U.S. cities, moving 3.7 times more than owners in 2024, as high mortgage rates and housing costs kept many homeowners in place.
Research 100M+ property records powered by:
  • 2000+ governmental and public data sources
  • 80 dedicated analysts and researchers
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Past Sales & Property History for 105 Mt Sinai Avenue, Mount Sinai

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Purchase date Purchase price Buyer name Seller name
03/21/1997 $55,000

Title Documents for 105 Mt Sinai Avenue, Mount Sinai

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Date Type Amount Party 1 Party 2 Doc image
10/21/1998 - D
11/02/1998 - R
Deed
03/21/1997 - D
03/31/1997 - R
Deed
           
           
           
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R: Recorded date
D: Document date

Property Taxes for 105 Mt Sinai Avenue, Mount Sinai

Access detailed property tax data for 105 Mt Sinai Avenue, Mount Sinai, NY 11766. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year 2025-2026
Base tax $18,094
Current property tax $17,197
Market value $830,189
Assessed value $4,400

Assessment History for 105 Mt Sinai Avenue, Mount Sinai

Here's the assessment & property tax history for 105 Mt Sinai 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 $849,057 $4,500 394.249 $17,741 +3.18%
2023-2024 $833,333 $4,500 382.097 $17,194 +3.44%
2022-2023 $725,806 $4,500 369.378 $16,622 +2.22%
2021-2022 $608,108 $4,500 361.352 $16,261 +2.37%
2020-2021 $584,416 $4,500 352.982 $15,884 +2.16%

Permits for 105 Mt Sinai Avenue, Mount Sinai

The complete history of permits filed for 105 Mt Sinai 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 105 Mt Sinai 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)
Mount Sinai Middle School 5 Public 5-8 667 1.08
John F Kennedy Middle School 4 Public 4, 6-8 822 1.90
Clinton Avenue School NR Public K-2 441 1.95
North Shore Christian School NR Private PK, K-6 101 2.00
North Shore Christian School NR Private PK, K-6 101 2.00

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Mount Sinai Middle School 5 Public 5-8 667 1.08
John F Kennedy Middle School 4 Public 4, 6-8 822 1.90
North Country Road School 5 Public 6-8 534 2.58
Maryhaven Center Of Hope NR Private 47 2.70
Port Jefferson Middle School 7 Public 6-8 222 3.12

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Mount Sinai High School 9 Public 9-12 720 1.24
Miller Place High School 9 Public 9-12 820 1.39
Comsewogue High School 6 Public 9-12 1,153 1.59
Maryhaven Center Of Hope NR Private 47 2.70
Sunshine Alternative Education Center NR Private 10-12 10 2.92

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

Neighbors for 105 Mt Sinai Avenue, Mount Sinai

Here are the neighbors for 105 Mt Sinai Avenue, Mount Sinai.

Address Square feet Purchase date Purchase price
48 Birch Hill Rd, Mount Sinai 1,637 01/31/2022 $650,000
123 MT Sinai Ave, Mount Sinai 2,774 10/12/1995 $232,500
2 Hawthorne St, Mount Sinai 2,084 10/11/2024
9 High Hill Rd, Mount Sinai 2,088 01/09/2015 $310,000
107 MT Sinai Ave, Mount Sinai 988
12 Birch Hill Rd, Mount Sinai 3,017 12/17/2020 $500,000
119 MT Sinai Ave N, Mount Sinai 1,800 08/09/2005
179 MT Sinai Ave, Mount Sinai 09/10/2015
52 Shore Rd, Mount Sinai 1,830 02/27/2002
66 Birch Hill Rd, Mount Sinai 1,015 12/16/2013 $240,000
146 Shore Rd, Mount Sinai 2,432 05/25/2021 $1,150,000
156 Shore Rd, Mount Sinai
8 High Hill Rd, Mount Sinai 1,051 06/01/2023 $505,000
28 Ashland St, Mount Sinai 3,615 08/30/2024 $500,000
157 N Country Rd, Mount Sinai 07/17/2002 $285,000
529 MT Sinai CRM Rd, Mount Sinai 12/14/2023 $499,999
604 MT Sinai Coram Rd, Mount Sinai 2,588 11/29/2016 $600,000
649 MT Sinai Coram Rd, Mount Sinai 728 07/19/2017 $224,000
6 Ashland St, Mount Sinai 1,429 05/11/2022
266 Shore Rd, Mount Sinai 2,442 11/06/2023 $10

Nearby ZIP Codes for 105 Mt Sinai Avenue, Mount Sinai

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