Suffolk County  »  11766  »  Valley CT  »  3 Valley CT

3 Valley Court, Mount Sinai, NY 11766 Property Information

3 Valley Court, Mount Sinai, NY 11766 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
Unlock this property report with a free account.

Access up-to-date information from property owner names to sales history, tax info, title documents, mortgages, development, maps, permits and more.
Sign Up Now
Research 100M+ property records powered by:
  • 2000+ governmental and public data sources
  • 80 dedicated analysts and researchers
  • 20+ years of real estate experience
Learn More

Photo & Map Show Hide

3 Valley Court, Mount Sinai, NY 11766
static Mapbox map

Address

Primary address 3 Valley Court, Mount Sinai
Zip code 11766
County Suffolk
Municipality Brookhaven
Parcel ID 1131870

Sales & Tax Overview for 3 Valley Court, Mount Sinai

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

Sale date 09/29/1995
Sale price $190,000
Arm's length
Current property tax $15,347

Lot & Building Information for 3 Valley Court, Mount Sinai

Building sqft 2,502
Building class One Family Year-Round Residence with Accessory Apartment (215)
Acreage 0.43
Year built 1973
Rooms 10
Bedrooms 5
Bathrooms 3
Unlock this property report with a free account.

Access up-to-date information from property owner names to sales history, tax info, title documents, mortgages, development, maps, permits and more.
Sign Up Now

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 3 Valley Court, Mount Sinai

Property reports include comprehensive occupancy, improvement and development information (where available).
Create a free account to access valuable data points such as:

  • • Improvements for 3 Valley Court, Mount Sinai , including their type, square footage, grade and when they were built.
  • Development maps such as planimetric, zoning, land use and urban landscape maps (building age and stories).
Unlock all property data with a free account.
Sign up

About 3 Valley Court, Mount Sinai

What is the year built & the total sq. ft. for 3 Valley Court, Mount Sinai, NY 11766?

3 Valley Court, Mount Sinai, NY 11766 was built in 1973 and has a total of 2,502 square feet.

What is the assessed value of 3 Valley Court, Mount Sinai, NY 11766 and the property tax paid?

Assessed at $3,950, the tax amount paid for 3 Valley Court, Mount Sinai, NY 11766 is $16,243.

When was 3 Valley Court, Mount Sinai, NY 11766 last sold and what was the last sale price?

3 Valley Court, Mount Sinai, NY 11766 was last sold in 09/29/1995 for $190,000.

Ownership Information

View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.

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 
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.
Research 100M+ property records powered by:
  • 2000+ governmental and public data sources
  • 80 dedicated analysts and researchers
  • 20+ years of real estate experience
Learn More

Past Sales & Property History for 3 Valley Court, Mount Sinai

Create a free account to view the complete sales history for 3 Valley Court, Mount Sinai, including title documents, transfer conditions, mortgages and liens.

Purchase date Purchase price Buyer name Seller name
09/29/1995 $190,000

Title Documents for 3 Valley Court, 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
09/29/1995 - D
10/13/1995 - R
Deed
           
           
           
           
Unlock daily updated title documents, including buyer and seller information (when available).
Sign up

R: Recorded date
D: Document date

Property Taxes for 3 Valley Court, Mount Sinai

Access detailed property tax data for 3 Valley Court, 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 $16,243
Current property tax $15,347
Market value $745,283
Assessed value $3,950

Assessment History for 3 Valley Court, Mount Sinai

Here's the assessment & property tax history for 3 Valley Court, 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 $773,585 $4,100 394.249 $16,164 +3.18%
2023-2024 $759,260 $4,100 382.097 $15,666 +3.44%
2022-2023 $661,290 $4,100 369.378 $15,144 +2.22%
2021-2022 $554,055 $4,100 361.352 $14,815 +2.37%
2020-2021 $532,468 $4,100 352.982 $14,472 +2.16%

Permits for 3 Valley Court, Mount Sinai

The complete history of permits filed for 3 Valley Court, 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 3 Valley Court, 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 3 Valley Court, Mount Sinai to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

View daily traffic map

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 0.27
Port Jefferson Elementary School 5 Public PK, K-5 364 1.70
Port Jefferson Elementary School 5 Public PK, K-5 364 1.70
John F Kennedy Middle School 4 Public 4, 6-8 822 1.81
Maryhaven Center Of Hope NR Private 47 1.84

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Mount Sinai Middle School 5 Public 5-8 667 0.27
John F Kennedy Middle School 4 Public 4, 6-8 822 1.81
Maryhaven Center Of Hope NR Private 47 1.84
North Country Road School 5 Public 6-8 534 2.28
Port Jefferson Middle School 7 Public 6-8 222 2.36

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Mount Sinai High School 9 Public 9-12 720 0.29
Maryhaven Center Of Hope NR Private 47 1.84
Miller Place High School 9 Public 9-12 820 1.88
Comsewogue High School 6 Public 9-12 1,153 1.95
Earl L Vandermeulen High School 9 Public 9-12 323 2.36

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

Neighbors for 3 Valley Court, Mount Sinai

Here are the neighbors for 3 Valley Court, Mount Sinai.

Address Square feet Purchase date Purchase price
7 Valley CT, Mount Sinai 2,067 05/13/2022 $592,800
51 Vidoni Dr, Mount Sinai 2,115 06/03/2009 $372,000
45 Vidoni Dr, Mount Sinai 2,036 03/07/2024
46 Vidoni Dr, Mount Sinai 1,652 02/22/2018 $360,000
5 Valley CT, Mount Sinai 2,630 08/23/2023
49 Vidoni Dr, Mount Sinai 1,900
47 Vidoni Dr, Mount Sinai 2,140 08/03/2005 $405,500
52 Vidoni Dr, Mount Sinai 2,160 02/22/2019 $425,000
53 Vidoni Dr, Mount Sinai 2,078 11/14/2014 $290,000
55 Vidoni Dr, Mount Sinai 2,115 06/28/2006 $447,500
60 Vidoni Dr, Mount Sinai 1,611
48 Vidoni Dr, Mount Sinai 2,024 06/12/2001
54 Vidoni Dr, Mount Sinai 2,070 09/27/2005
8 Valley CT, Mount Sinai 2,960 11/20/2003 $440,000
4 Valley CT, Mount Sinai 2,535 10/01/2013
57 Vidoni Dr, Mount Sinai 2,129 04/20/2021
50 Vidoni Dr, Mount Sinai 2,425 06/16/2022 $515,000
56 Vidoni Dr, Mount Sinai 2,544
58 Vidoni Dr, Mount Sinai 2,055 02/29/1996 $130,000
6 Valley CT, Mount Sinai 2,295 06/23/2000 $255,000

Nearby ZIP Codes for 3 Valley Court, Mount Sinai

Not sure if we cover all the data-points you need? View sample full report View sample full report