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831 Mount Avenue, Wyandanch, NY 11798 Property Information

831 Mount Avenue, Wyandanch, NY 11798 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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831 Mount Avenue, Wyandanch, NY 11798
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Address

Primary address 831 Mount Avenue, Wyandanch
Zip code 11798
County Suffolk
Municipality Babylon
Parcel ID 83-3-27

Sales & Tax Overview for 831 Mount Avenue, Wyandanch

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

Sale date 07/20/2018
Sale price $250,000
Arm's length
Property tax $10,812

Lot & Building Information for 831 Mount Avenue, Wyandanch

Building sqft 1,789
Building class One Family Year-Round Residence (210)
Acreage 0.326
Year built 1961
Bathrooms 1
Half bathrooms 1
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district
Qualified opportunity zone
School district Wyandanch

View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.

Other Property Data for 831 Mount Avenue, Wyandanch

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  • • Improvements for 831 Mount Avenue, Wyandanch , including their type, square footage, grade and when they were built.
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About 831 Mount Avenue, Wyandanch

What is the year built & the total sq. ft. for 831 Mount Avenue, Wyandanch, NY 11798?

831 Mount Avenue, Wyandanch, NY 11798 was built in 1961 and has a total of 1,789 square feet.

What is the assessed value of 831 Mount Avenue, Wyandanch, NY 11798 and the property tax paid?

Assessed at $3,080, the tax amount paid for 831 Mount Avenue, Wyandanch, NY 11798 is $10,811.

When was 831 Mount Avenue, Wyandanch, NY 11798 last sold?

831 Mount Avenue, Wyandanch, NY 11798 was last sold in 06/22/2020.

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 831 Mount Avenue, Wyandanch

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Purchase date Purchase price Buyer name Seller name
07/20/2018 $250,000
02/16/2018 $10
02/25/2016 $159,139
       
       
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*Here are the three most recent sales for this property.


Title Documents for 831 Mount Avenue, Wyandanch

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Date Type Amount Party 1 Party 2 Doc image
06/22/2020 - D
02/10/2022 - R
Deed
07/20/2018 - D
08/10/2018 - R
Deed
(Bargain and sale)
02/16/2018 - D
02/16/2018 - R
Deed
(Bargain and sale)
02/25/2016 - D
03/23/2016 - R
Deed
(Bargain and sale)
01/09/2015 - D
04/22/2015 - R
Deed
(Foreclosure)
01/19/2006 - D
02/21/2006 - R
Deed
(Bargain & sale deed)
05/07/2003 - D
06/02/2003 - R
Deed
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R: Recorded date
D: Document date

Property Taxes for 831 Mount Avenue, Wyandanch

Access detailed property tax data for 831 Mount Avenue, Wyandanch, NY 11798. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year 2025-2026
Property tax $10,812
Market value $522,034
Assessed value $3,080

Assessment History for 831 Mount Avenue, Wyandanch

Here's the assessment & property tax history for 831 Mount Avenue, Wyandanch, 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 $459,701 $3,080 344.33 $10,605 +1.70%
2023-2024 $466,667 $3,080 338.5657 $10,428 +1.29%
2022-2023 $394,872 $3,080 334.2681 $10,295 +0.21%
2021-2022 $354,023 $3,080 333.5693 $10,274 +1.44%
2020-2021 $338,462 $3,080 328.8335 $10,128 +4.29%

Permits for 831 Mount Avenue, Wyandanch

The complete history of permits filed for 831 Mount Avenue, Wyandanch, 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 831 Mount Avenue, Wyandanch 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)
La Francis Hardiman Elementary School NR Public PK, K-2 624 0.22
La Francis Hardiman Elementary School NR Public PK, K-2 624 0.22
Martin Luther King Elementary School 3 Public 3-5 621 0.22
ACADEMY CHARTER SCHOOL 2 NR Charter K-2 144 0.69
Belmont Elementary School 5 Public K-5 370 1.09

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Milton L Olive Middle School 5 Public 6-8 581 1.03
Robert Frost Middle School 7 Public 6-8 903 1.64
Robert Moses Middle School 4 Public 6-8 1,074 1.68
Ss Cyril & Methodius School NR Private PK-8 195 1.86
St Cyril & Methodius Catholic School NR Private PK-8 190 1.86

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Wyandanch Memorial High School 2 Public 9-12 843 0.86
Deer Park High School 7 Public 9-12 1,314 1.91
North Babylon High School 6 Public 9-12 1,506 2.18
Ascent School for Individuals With Autism NR Private 4-12 24 2.94
West Babylon Senior High School 7 Public 9-12 1,247 2.94

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

Neighbors for 831 Mount Avenue, Wyandanch

Here are the neighbors for 831 Mount Avenue, Wyandanch.

Address Square feet Purchase date Purchase price
181 State Ave, Wyandanch 1,260 04/17/2023
166 Parkway Blvd, Wyandanch 1,190 09/15/2017 $229,000
182 Parkway Blvd, Wyandanch 912 03/07/2022 $420,000
2 Holly CT, North Babylon 1,763
253 W 22nd St, Deer Park 1,880
6 Holly CT, North Babylon 1,808 09/13/2021
10 Holly CT, North Babylon 2,066 11/02/2019
4 Holly CT, North Babylon 2,163 07/12/2019 $412,000
255 W 22nd St, Deer Park
241 W 22nd St, Deer Park 1,619 04/25/1997 $142,500
247 W 22nd St, Deer Park 1,656 07/09/2019 $440,000
187 State Ave, Wyandanch 1,008
193 State Ave, Wyandanch 720 10/15/2013 $81,000
235 W 22nd St, Deer Park 1,889
174 Parkway Blvd, Wyandanch 912 12/21/2023 $500,000
819 Mount Ave, Wyandanch 1,866 09/26/2025 $820,000
186 Parkway Blvd, Wyandanch 1,050 02/16/2022 $372,000
92 Erlanger Blvd, North Babylon 1,680
229 W 22nd St, Deer Park 1,619 02/07/2017 $350,000
8 Holly CT, North Babylon 2,066 08/12/2025 $630,000

Nearby ZIP Codes for 831 Mount Avenue, Wyandanch

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