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

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

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

Primary address 49 Mt Sinai Avenue, Mount Sinai
Zip code 11766
County Suffolk
Municipality Brookhaven
Parcel ID 8709380

Sales & Tax Overview for 49 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 12/09/2004
Sale price $520,000
Arm's length
Current property tax $15,552

Lot & Building Information for 49 Mt Sinai Avenue, Mount Sinai

Building sqft 3,313
Building class One Family Year-Round Residence (210)
Acreage 1
Year built 1984
Rooms 8
Bedrooms 4
Bathrooms 3
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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 49 Mt Sinai Avenue, Mount Sinai

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  • • Improvements for 49 Mt Sinai Avenue, Mount Sinai , including their type, square footage, grade and when they were built.
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About 49 Mt Sinai Avenue, Mount Sinai

What is the year built & the total sq. ft. for 49 Mt Sinai Avenue, Mount Sinai, NY 11766?

49 Mt Sinai Avenue, Mount Sinai, NY 11766 was built in 1984 and has a total of 3,313 square feet.

What is the assessed value of 49 Mt Sinai Avenue, Mount Sinai, NY 11766 and the property tax paid?

Assessed at $4,000, the tax amount paid for 49 Mt Sinai Avenue, Mount Sinai, NY 11766 is $16,448.

When was 49 Mt Sinai Avenue, Mount Sinai, NY 11766 last sold and what was the last sale price?

49 Mt Sinai Avenue, Mount Sinai, NY 11766 was last sold in 12/09/2004 for $520,000.

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 49 Mt Sinai Avenue, Mount Sinai

Create a free account to view the complete sales history for 49 Mt Sinai Avenue, Mount Sinai, including title documents, transfer conditions, mortgages and liens.

Purchase date Purchase price Buyer name Seller name
12/09/2004 $520,000

Title Documents for 49 Mt Sinai Avenue, Mount Sinai

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Date Type Amount Party 1 Party 2 Doc image
12/09/2004 - D
01/28/2005 - R
Deed
           
           
           
           
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R: Recorded date
D: Document date

Property Taxes for 49 Mt Sinai Avenue, Mount Sinai

Access detailed property tax data for 49 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 $16,449
Current property tax $15,552
Market value $754,717
Assessed value $4,000

Assessment History for 49 Mt Sinai Avenue, Mount Sinai

Here's the assessment & property tax history for 49 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 $754,717 $4,000 394.249 $15,770 +3.18%
2023-2024 $740,741 $4,000 382.097 $15,284 +3.44%
2022-2023 $645,161 $4,000 369.378 $14,775 +2.22%
2021-2022 $540,540 $4,000 361.352 $14,454 +2.37%
2020-2021 $519,481 $4,000 352.982 $14,119 +2.16%

Permits for 49 Mt Sinai Avenue, Mount Sinai

The complete history of permits filed for 49 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

Create a free account to unlock extended information for 49 Mt Sinai Avenue, Mount Sinai, including whether it's located in FEMA flood zones, floodways or special flood hazard areas, as well as the Coastal barriers resources system area (COBRA).

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

Transportation

Access the detailed traffic volume map for 49 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 0.70
Mount Sinai Elementary School 7 Public K-4 659 1.96
John F Kennedy Middle School 4 Public 4, 6-8 822 2.04
North Shore Christian School NR Private PK, K-6 101 2.18
North Shore Christian School NR Private PK, K-6 101 2.18

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Mount Sinai Middle School 5 Public 5-8 667 0.70
John F Kennedy Middle School 4 Public 4, 6-8 822 2.04
North Country Road School 5 Public 6-8 534 2.22
Maryhaven Center Of Hope NR Private 47 2.48
Port Jefferson Middle School 7 Public 6-8 222 2.97

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Mount Sinai High School 9 Public 9-12 720 0.89
Miller Place High School 9 Public 9-12 820 1.32
Comsewogue High School 6 Public 9-12 1,153 1.89
Maryhaven Center Of Hope NR Private 47 2.48
Earl L Vandermeulen High School 9 Public 9-12 323 2.97

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

Neighbors for 49 Mt Sinai Avenue, Mount Sinai

Here are the neighbors for 49 Mt Sinai Avenue, Mount Sinai.

Address Square feet Purchase date Purchase price
124 Hickory St, Port Jefferson Station 1,692
130 Hickory St, Port Jefferson Station 1,458 09/03/2020 $320,000
143 N Country Rd, Mount Sinai 3,384
11 Grasslands Cir, Mount Sinai 05/05/2020
29 Crystal Brook Hollow Rd, Mount Sinai 07/02/2013
129 N Country Rd, Mount Sinai 2,362 08/19/2015 $400,000
772 MT Sinai Coram Rd, Mount Sinai 02/28/2014
8 George Hill Rd, Mount Sinai 1,456 04/10/2019
258 N Country Rd, Mount Sinai 5,854
54 N Country Rd, Mount Sinai 1,766 09/10/2024 $10
124 Hickory St, Mount Sinai 10/01/2021 $630,000
401 Route 25a, Mount Sinai 04/23/2024
74 N Country Rd, Mount Sinai 1,652 03/11/2022 $615,000
746 MT Sinai Ave, Mount Sinai
125 N Country Rd, Mount Sinai 10/05/2015 $10
746 MT Sinai Coram Rd, Mount Sinai
53 MT Sinai Ave, Mount Sinai 3,670
381 Route 25a, Mount Sinai
34 Ashland St, Mount Sinai 1,830 03/28/2022
25 Hawthorne St, Mount Sinai

Nearby ZIP Codes for 49 Mt Sinai Avenue, Mount Sinai

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