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21 Grasslands Circle, Mount Sinai, NY 11766 Property Information

21 Grasslands Circle, Mount Sinai, NY 11766 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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21 Grasslands Circle, Mount Sinai, NY 11766
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Address

Primary address 21 Grasslands Circle, Mount Sinai
Zip code 11766
County Suffolk
Municipality Brookhaven
Parcel ID 1128258

Sales & Tax Overview for 21 Grasslands Circle, Mount Sinai

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

Sale date 03/22/2006
Sale price $600,000
Arm's length
Property tax $18,176

Lot & Building Information for 21 Grasslands Circle, Mount Sinai

Building sqft 2,803
Building class One Family Year-Round Residence (210)
Acreage 0.48
Year built 1997
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 21 Grasslands Circle, Mount Sinai

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  • • Improvements for 21 Grasslands Circle, Mount Sinai , including their type, square footage, grade and when they were built.
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About 21 Grasslands Circle, Mount Sinai

What is the year built & the total sq. ft. for 21 Grasslands Circle, Mount Sinai, NY 11766?

21 Grasslands Circle, Mount Sinai, NY 11766 was built in 1997 and has a total of 2,803 square feet.

What is the assessed value of 21 Grasslands Circle, Mount Sinai, NY 11766 and the property tax paid?

Assessed at $4,420, the tax amount paid for 21 Grasslands Circle, Mount Sinai, NY 11766 is $18,175.

When was 21 Grasslands Circle, Mount Sinai, NY 11766 last sold and what was the last sale price?

21 Grasslands Circle, Mount Sinai, NY 11766 was last sold in 03/22/2006 for $600,000.

Ownership Information

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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:
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Past Sales & Property History for 21 Grasslands Circle, Mount Sinai

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Purchase date Purchase price Buyer name Seller name
03/22/2006 $600,000
05/18/2005 $530,869
03/02/2001 $499,000
       
       
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*Here are the three most recent sales for this property.


Title Documents for 21 Grasslands Circle, Mount Sinai

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Date Type Amount Party 1 Party 2 Doc image
03/22/2006 - D
04/05/2006 - R
Deed
(Bargain & sale deed)
05/18/2005 - D
06/20/2005 - R
Deed
(Referee`s deed)
03/02/2001 - D
03/21/2001 - R
Deed
05/07/1997 - D
05/23/1997 - R
Deed
           
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R: Recorded date
D: Document date

Property Taxes for 21 Grasslands Circle, Mount Sinai

Access detailed property tax data for 21 Grasslands Circle, Mount Sinai, NY 11766. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year 2025-2026
Property tax $18,176
Market value $833,963
Assessed value $4,420

Assessment History for 21 Grasslands Circle, Mount Sinai

Here's the assessment & property tax history for 21 Grasslands Circle, 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 $833,963 $4,420 394.249 $17,426 +3.18%
2023-2024 $818,518 $4,420 382.097 $16,889 +3.44%
2022-2023 $712,903 $4,420 369.378 $16,327 +2.22%
2021-2022 $597,297 $4,420 361.352 $15,972 +2.37%
2020-2021 $574,026 $4,420 352.982 $15,602 +2.16%

Permits for 21 Grasslands Circle, Mount Sinai

The complete history of permits filed for 21 Grasslands Circle, 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 21 Grasslands Circle, 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 21 Grasslands Circle, 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 0.83
Mount Sinai Elementary School 7 Public K-4 659 0.84
Sound Beach School 4 Public 3-5 473 1.22
Andrew Muller Primary School NR Public K-2 468 1.59
Port Jefferson Elementary School 5 Public PK, K-5 364 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 0.83
North Country Road School 5 Public 6-8 534 1.23
Maryhaven Center Of Hope NR Private 47 2.37
John F Kennedy Middle School 4 Public 4, 6-8 822 2.91
Our Lady of Wisdom Regional School NR Private PK-8 74 2.92

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Mount Sinai High School 9 Public 9-12 720 0.95
Miller Place High School 9 Public 9-12 820 1.70
Maryhaven Center Of Hope NR Private 47 2.37
Earl L Vandermeulen High School 9 Public 9-12 323 3.01
Comsewogue High School 6 Public 9-12 1,153 3.02

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

Neighbors for 21 Grasslands Circle, Mount Sinai

Here are the neighbors for 21 Grasslands Circle, Mount Sinai.

Address Square feet Purchase date Purchase price
1 Farm House CT, Mount Sinai 2,499 01/30/2019 $615,000
23 Grasslands Cir, Mount Sinai 2,674 08/26/2015 $140,000
25 Grasslands Cir, Mount Sinai 3,168 08/15/2016 $620,000
3 Farm House CT, Mount Sinai 3,548 11/09/2023
30 Grasslands Cir, Mount Sinai 3,165 02/16/2023 $850,000
24 Grasslands Cir, Mount Sinai 3,654 07/20/1999 $106,000
35 Grasslands Cir, Mount Sinai 2,781
26 Grasslands Cir, Mount Sinai 2,520 04/06/2020 $565,000
22 Grasslands Cir, Mount Sinai 3,644 10/06/2020 $715,000
20 Grasslands Cir, Mount Sinai 3,091 03/05/2014 $695,000
27 Grasslands Cir, Mount Sinai 2,858 06/05/2003
29 Grasslands Cir, Mount Sinai 2,498 07/05/2018 $607,500
37 Grasslands Cir, Mount Sinai 3,064 05/03/2001 $445,000
19 Grasslands Cir, Mount Sinai 2,642 09/06/2018 $608,000
16 Grasslands Cir, Mount Sinai 3,960 02/19/2009 $538,144
33 Grasslands Cir, Mount Sinai 3,316 08/21/2003 $600,000
32 Grasslands Cir, Mount Sinai 3,593 04/12/1999 $99,000
28 Grasslands Cir, Mount Sinai 2,852 09/20/2021 $750,000
31 Grasslands Cir, Mount Sinai 3,265 09/08/2000 $415,000
18 Grasslands Cir, Mount Sinai 2,974 12/18/2009 $587,000

Nearby ZIP Codes for 21 Grasslands Circle, Mount Sinai

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