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4 Guardian Court, Mount Sinai, NY 11766 Property Information

4 Guardian Court, Mount Sinai, NY 11766 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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4 Guardian Court, Mount Sinai, NY 11766
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Address

Primary address 4 Guardian Court, Mount Sinai
Zip code 11766
County Suffolk
Municipality Brookhaven
Parcel ID 1111846

Sales & Tax Overview for 4 Guardian 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 08/30/2010
Sale price $400,000
Arm's length
Current property tax $10,412

Lot & Building Information for 4 Guardian Court, Mount Sinai

Building sqft 1,346
Building class One Family Year-Round Residence (210)
Acreage 0.75
Year built 1984
Rooms 7
Bedrooms 3
Bathrooms 2
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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 4 Guardian Court, Mount Sinai

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About 4 Guardian Court, Mount Sinai

What is the year built & the total sq. ft. for 4 Guardian Court, Mount Sinai, NY 11766?

4 Guardian Court, Mount Sinai, NY 11766 was built in 1984 and has a total of 1,346 square feet.

What is the assessed value of 4 Guardian Court, Mount Sinai, NY 11766 and the property tax paid?

Assessed at $2,750, the tax amount paid for 4 Guardian Court, Mount Sinai, NY 11766 is $11,308.

When was 4 Guardian Court, Mount Sinai, NY 11766 last sold and what was the last sale price?

4 Guardian Court, Mount Sinai, NY 11766 was last sold in 08/30/2010 for $400,000.

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 4 Guardian Court, Mount Sinai

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Purchase date Purchase price Buyer name Seller name
08/30/2010 $400,000
06/28/1999 $223,500
08/19/1993 $159,000
       
       
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*Here are the three most recent sales for this property.


Title Documents for 4 Guardian Court, Mount Sinai

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Date Type Amount Party 1 Party 2 Doc image
08/30/2010 - D
10/22/2010 - R
Deed
(Bargain & sale deed)
06/28/1999 - D
09/20/1999 - R
Deed
08/19/1993 - D
09/14/1993 - R
Deed
           
           
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R: Recorded date
D: Document date

Property Taxes for 4 Guardian Court, Mount Sinai

Access detailed property tax data for 4 Guardian 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 $11,309
Current property tax $10,412
Market value $518,868
Assessed value $2,750

Assessment History for 4 Guardian Court, Mount Sinai

Here's the assessment & property tax history for 4 Guardian 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 $518,868 $2,750 394.249 $10,842 +3.18%
2023-2024 $509,259 $2,750 382.097 $10,508 +3.44%
2022-2023 $443,548 $2,750 369.378 $10,158 +2.22%
2021-2022 $371,622 $2,750 361.352 $9,937 +2.37%
2020-2021 $357,143 $2,750 352.982 $9,707 +2.16%

Permits for 4 Guardian Court, Mount Sinai

The complete history of permits filed for 4 Guardian 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

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

Transportation

Access the detailed traffic volume map for 4 Guardian Court, 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 1.60
Clinton Avenue School NR Public K-2 441 1.87
John F Kennedy Middle School 4 Public 4, 6-8 822 2.06
North Shore Christian School NR Private PK, K-6 101 2.10
North Shore Christian School NR Private PK, K-6 101 2.10

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Mount Sinai Middle School 5 Public 5-8 667 1.60
John F Kennedy Middle School 4 Public 4, 6-8 822 2.06
North Country Road School 5 Public 6-8 534 2.93
Maryhaven Center Of Hope NR Private 47 3.16
Port Jefferson Middle School 7 Public 6-8 222 3.53

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Miller Place High School 9 Public 9-12 820 1.44
Comsewogue High School 6 Public 9-12 1,153 1.53
Mount Sinai High School 9 Public 9-12 720 1.76
Sunshine Alternative Education Center NR Private 10-12 10 2.83
Maryhaven Center Of Hope NR Private 47 3.16

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

Neighbors for 4 Guardian Court, Mount Sinai

Here are the neighbors for 4 Guardian Court, Mount Sinai.

Address Square feet Purchase date Purchase price
6 Summer St, Mount Sinai 1,346 09/10/2019 $385,000
3 Guardian CT, Mount Sinai 1,922 04/24/2019
168 Hamlet Dr, Mount Sinai 3,025 09/27/2024
166 Hamlet Dr, Mount Sinai 2,144 01/09/2004 $530,000
35 Guardian Dr, Mount Sinai 1,695 12/10/2018
2 Guardian CT, Mount Sinai 1,467 10/03/2025 $575,000
23 Guardian Dr, Mount Sinai 1,551 12/01/2003 $380,000
8 Summer St, Mount Sinai 1,346 06/29/2020 $375,000
164 Hamlet Dr, Mount Sinai 2,783 10/24/2023 $995,000
37 Guardian Dr, Mount Sinai 1,346 01/08/2002 $260,000
170 Hamlet Dr, Mount Sinai 2,783 05/02/2022
29 Guardian Dr, Mount Sinai 1,551 10/05/2001 $260,000
31 Guardian Dr, Mount Sinai 1,829 11/27/1996 $146,000
33 Guardian Dr, Mount Sinai 1,454 09/06/2017
4 Summer St, Mount Sinai 1,551 12/19/1997 $158,500
27 Guardian Dr, Mount Sinai 1,599
5 Guardian CT, Mount Sinai 1,714
1 Guardian CT, Mount Sinai 1,782 08/28/2006 $465,000
21 Guardian Dr, Mount Sinai 1,551 08/15/2025 $650,000
25 Guardian Dr, Mount Sinai 1,395

Nearby ZIP Codes for 4 Guardian Court, Mount Sinai

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