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

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

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

Primary address 100 Mt Sinai Avenue, Mount Sinai
Zip code 11766
County Suffolk
Municipality Brookhaven
Parcel ID 8709650

Sales & Tax Overview for 100 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.

Current property tax $10,206

Lot & Building Information for 100 Mt Sinai Avenue, Mount Sinai

Building sqft 1,274
Building class One Family Year-Round Residence (210)
Acreage 1
Year built 1957
Rooms 6
Bedrooms 3
Bathrooms 1
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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 100 Mt Sinai Avenue, Mount Sinai

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About 100 Mt Sinai Avenue, Mount Sinai

What is the year built & the total sq. ft. for 100 Mt Sinai Avenue, Mount Sinai, NY 11766?

100 Mt Sinai Avenue, Mount Sinai, NY 11766 was built in 1957 and has a total of 1,274 square feet.

What is the assessed value of 100 Mt Sinai Avenue, Mount Sinai, NY 11766 and the property tax paid?

Assessed at $2,700, the tax amount paid for 100 Mt Sinai Avenue, Mount Sinai, NY 11766 is $11,102.

When was 100 Mt Sinai Avenue, Mount Sinai, NY 11766 last sold?

100 Mt Sinai Avenue, Mount Sinai, NY 11766 was last sold in 10/21/1994.

Ownership Information

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Real Estate Reports:
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.
Eliza Theiss, Apr 23, 2026 $4.6M Hudson Yards Maintains Top Spot, Luxury Sales in Malba Set $2.5M Price Record for Queens
Despite prices declining, Hudson Yards remained the most expensive NYC neighborhood, but TriBeCa’s growth closed the gap to under $400,000, while Malba set a new historic price record for Queens at $2.5 million, securing the highest ranking ever for the borough at #5.
Eliza Theiss, Apr 15, 2026 2026 Q1 Foreclosure Report: Brooklyn Filings Fall Sharply, Bronx & Staten Island Hit New Peaks
Behind a deceptively mild citywide downtick, borough foreclosure markets pulled into significantly diverging paths as Brooklyn cases were nearly halved and the Bronx hit a new, record high. Meanwhile, Queens remained unchanged, Staten Island surged back up and Manhattan cooled slowly.
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Past Sales & Property History for 100 Mt Sinai Avenue, Mount Sinai

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No recorded sales for this property.

Title Documents for 100 Mt Sinai 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
10/21/1994 - D
12/06/1994 - R
Deed
           
           
           
           
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R: Recorded date
D: Document date

Property Taxes for 100 Mt Sinai Avenue, Mount Sinai

Access detailed property tax data for 100 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 $11,103
Current property tax $10,206
Market value $509,434
Assessed value $2,700

Assessment History for 100 Mt Sinai Avenue, Mount Sinai

Here's the assessment & property tax history for 100 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 $509,434 $2,700 394.249 $10,645 +3.18%
2023-2024 $500,000 $2,700 382.097 $10,317 +3.44%
2022-2023 $435,484 $2,700 369.378 $9,973 +2.22%
2021-2022 $364,865 $2,700 361.352 $9,757 +2.37%
2020-2021 $350,649 $2,700 352.982 $9,531 +2.16%

Permits for 100 Mt Sinai Avenue, Mount Sinai

The complete history of permits filed for 100 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 100 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 0.99
John F Kennedy Middle School 4 Public 4, 6-8 822 1.85
Clinton Avenue School NR Public K-2 441 1.94
North Shore Christian School NR Private PK, K-6 101 1.96
North Shore Christian School NR Private PK, K-6 101 1.96

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Mount Sinai Middle School 5 Public 5-8 667 0.99
John F Kennedy Middle School 4 Public 4, 6-8 822 1.85
North Country Road School 5 Public 6-8 534 2.55
Maryhaven Center Of Hope NR Private 47 2.60
Port Jefferson Middle School 7 Public 6-8 222 3.02

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Mount Sinai High School 9 Public 9-12 720 1.14
Miller Place High School 9 Public 9-12 820 1.44
Comsewogue High School 6 Public 9-12 1,153 1.59
Maryhaven Center Of Hope NR Private 47 2.60
Sunshine Alternative Education Center NR Private 10-12 10 2.91

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

Neighbors for 100 Mt Sinai Avenue, Mount Sinai

Here are the neighbors for 100 Mt Sinai Avenue, Mount Sinai.

Address Square feet Purchase date Purchase price
201 N Country Rd, Mount Sinai
92 MT Sinai Ave, Mount Sinai 1,456 02/18/2021 $410,000
87 MT Sinai Ave, Mount Sinai 1,303 12/17/2018
203 N Country Rd, Mount Sinai 1,750 07/13/2000
23 Apricot Rd, Mount Sinai 3,738 02/24/2016
96 MT Sinai Ave, Mount Sinai 1,787 06/21/2023 $549,000
108 MT Sinai Ave, Mount Sinai 1,694 09/12/2013
259 E Shore Rd, Mount Sinai 2,610 12/01/2003 $499,900
11 W Shore Rd, Mount Sinai 06/20/2024
749 MT Sinai Coram Rd, Mount Sinai 12/04/2002 $525,000
238 N Country Rd, Mount Sinai 1,857 04/25/2008 $382,750
685 MT Sinai Coram Rd, Mount Sinai 1,786 01/20/1995 $140,000
30 Ashland St, Mount Sinai 1,519 10/21/2020 $350,000
561 Route 25a, Mount Sinai 05/16/2014 $750,000
91 MT Sinai Ave, Mount Sinai 838 01/04/2001 $150,000
74 Birch Hill Rd, Mount Sinai 794 12/23/2021 $525,000
23 Shore Rd, Mount Sinai 1,463
681 MT Sinai Coram Rd, Mount Sinai 1,801 01/13/2023
15 Birch Hill Rd, Mount Sinai 2,208 09/22/2020 $610,000
83 Shore Rd, Mount Sinai 2,892 10/15/2008

Nearby ZIP Codes for 100 Mt Sinai Avenue, Mount Sinai

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