Suffolk County  »  11798  »  Mount Ave  »  831 Mount Ave

831 Mount Avenue, Wyandanch, NY 11798 - Property report

Also known as: 831 Mount Ave

Property image for 831 Mount Avenue, Wyandanch, NY 11798
static Mapbox map

Property type

One Family Year-Round Residence (210)

Year built

1961

Acreage

0.326

Sale price

$250,000

General information

Unlock this property report with a free account

Access up-to-date information from property owner names to sales history, deeds, tax info, mortgages, development data, planimetric maps and more.

Address
Primary address
831 Mount Avenue
ZIP code
11798
County
Suffolk
Village (SWIS code)
472089
Parcel ID
83-3-27

Owner

Find out who owns 831 Mount Avenue, Wyandanch, NY 11798. Uncover corporate and individual owners with a free account.

Sales
Sale date
07/20/2018
Sale price
$250,000
Arm's length
Tax
Tax year
2025-2026
Current property tax
$10,812
Zoning & Use
Zoning
C
Qualified opportunity zone
Building
Property type
One Family Year-Round Residence (210)
Building sq. ft.
1,789
Year built
1961
Lot
Acreage
0.326

Area overview

Walk score
40 /100.  Car-Dependent
Transit score
0 /100.  Minimal Transit
Bike score
45 /100.  Somewhat Bikeable
School district
472009

View more such as transportation, nearby schools and risk designations.

Ownership

Ownership information for 831 Mount Avenue, Wyandanch, NY

Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address
Documents

Sales history for 831 Mount Avenue, Wyandanch, NY 11798

Sale date Sale price Buyer name Seller name
07/20/2018 $250,000 XXXXXXX XXXX; XXXXXX XXXXXXXX XXXXXXXXXX XXXXXXXXXXXX XXXXXXXX XXX
02/16/2018 $10 XXXXXXXXXX XXXXXXXXXXXX XXXXXXXX XXX XXX XXXX XXX XXX
02/25/2016 $159,139 XXX XXXX XXX XXX XXXX XXXX XXX

*Most recent sales on record for this property.

More about Suffolk County property records.

Title documents

Date Type Amount Party 1 Party 2
11/24/2025 - R Mortgage XXXXXXX XXXX XXX XXX
01/06/2025 - R Mortgage XXXXXXX XXXX XXX XXX
08/12/2024 - R Mortgage XXXXXXX XXXX XXX XXX
05/07/2024 - R Mortgage XXXXXXX XXXX XXX XXX
11/09/2023 - R Mortgage XXXXXXX XXXX XXX XXX
02/10/2022 - R
06/22/2020 - D		 Deed XXXXXXXX XXXXXX XXXX XXXXXXX
12/02/2020 - R Mortgage XXXXXX X XXXX XXXXXXX XXXXXXXX XXXX
01/03/2020 - R
12/23/2019 - D		 Assignment XXXXXXX XXXX XXXXXXXX XXXX XXXXXXXXX XXX
08/10/2018 - R
07/20/2018 - D		 Deed XXXXXXXXXX XXXXXXXXXXXX XXXXXXXX XXX XXXXXXX XXXX
08/10/2018 - R Mortgage XXXXXXX XXXX XXXXX XXXXXXXX XX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 831 Mount Avenue, Wyandanch, NY

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

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

More about Suffolk County Property Taxes

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year Market value Assessed value Tax rate Property tax Y-o-Y change
2025-2026 $522,034 $3,080 351.0308 $10,812 +1.95%
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%
2019-2020 $317,526 $3,080 315.31 $9,712 +0.66%
2018-2019 $287,850 $3,080 313.2529 $9,648 +1.56%
2017-2018 $275,000 $3,080 308.4405 $9,500 +3.33%
2016-2017 $261,017 $3,080 298.4967 $9,194 +4.17%
Permits

Permit information for 831 Mount Avenue, Wyandanch, NY

No recently recorded permits for this property.

Neighborhood

Risk

Create a free account to unlock expanded risk information, such as crime incidents in the area, tsunami and landslides risks, or its location relative to FEMA flood zones and the Coastal Barriers Resources System Area (COBRA).

FEMA flood zones

FEMA flood zones
X

Transportation

Daily traffic map
View daily traffic map

Access the detailed traffic volume map for 831 Mount Avenue, Wyandanch, NY 11798 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
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
May Moore Primary School NR Public PK, K-2 466 1.34
May Moore Primary School NR Public PK, K-2 466 1.34
Woods Road Elementary School 3 Public K-5 328 1.55
Santapogue School 5 Public PK, K-5 348 1.72
Santapogue School 5 Public PK, K-5 348 1.72
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
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
West Babylon Junior High School 5 Public 6-8 804 2.40
Ascent School for Individuals With Autism NR Private 4-12 24 2.94
Upper Room Christian School NR Private K-12 149 3.00
West Hollow Middle School 6 Public 6-8 969 3.07
Our Lady Of Lourdes School NR Private PK-8 209 3.19
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
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
Upper Room Christian School NR Private K-12 149 3.00
Lindenhurst Senior High School 7 Public 9-12 1,897 3.25
Babylon Junior Senior High School 5 Public 7-12 703 3.56
Sagamore Children's Psychiatric Center NR Public 7-12 37 3.70
Western Suffolk Boces NR Public K-12 761 4.03

Data provided by GreatSchools.org © 2026. All rights reserved.

Neighbors for 831 Mount Avenue, Wyandanch, NY

181 State Ave, Wyandanch 166 Parkway Blvd, Wyandanch 182 Parkway Blvd, Wyandanch 2 Holly CT, North Babylon 253 W 22nd St, Deer Park 6 Holly CT, North Babylon 10 Holly CT, North Babylon 4 Holly CT, North Babylon 255 W 22nd St, Deer Park 241 W 22nd St, Deer Park 247 W 22nd St, Deer Park 187 State Ave, Wyandanch 193 State Ave, Wyandanch 235 W 22nd St, Deer Park 174 Parkway Blvd, Wyandanch 819 Mount Ave, Wyandanch 186 Parkway Blvd, Wyandanch 92 Erlanger Blvd, North Babylon 229 W 22nd St, Deer Park 8 Holly CT, North Babylon

Nearby ZIP codes for 831 Mount Avenue, Wyandanch, NY

11701, Suffolk County, NY 11702, Suffolk County, NY 11703, Suffolk County, NY 11704, Suffolk County, NY 11714, Nassau County, NY 11718, Suffolk County, NY 11726, Suffolk County, NY 11729, Suffolk County, NY 11731, Suffolk County, NY 11735, Nassau County, NY 11735, Suffolk County, NY 11740, Suffolk County, NY 11746, Suffolk County, NY 11747, Suffolk County, NY 11757, Suffolk County, NY 11762, Nassau County, NY 11795, Suffolk County, NY 11797, Nassau County, NY 11804, Nassau County, NY

Frequently asked questions

What is the year built for 831 Mount Avenue, Wyandanch, NY 11798?

The development at 831 Mount Avenue, Wyandanch, NY 11798 was built in 1961.

What is the total square footage of 831 Mount Avenue, Wyandanch, NY 11798?

831 Mount Avenue, Wyandanch, NY 11798 has a total of 1,789 square feet.

When was 831 Mount Avenue, Wyandanch, NY 11798 last sold and what was the sale price?

831 Mount Avenue, Wyandanch, NY 11798 was last sold on 07/20/2018 for $250,000.

What is the assessed value of 831 Mount Avenue, Wyandanch, NY 11798?

831 Mount Avenue, Wyandanch, NY 11798 is currently assessed at $3,080.

What are the property taxes for 831 Mount Avenue, Wyandanch, NY 11798?

The property taxes for 831 Mount Avenue, Wyandanch, NY 11798 total $10,811.

Disclaimer

Copyright 2003-2026 by PropertyShark.com

All data comes from government sources. No attempt has been made to validate it. No attempt has been made to validate the accuracy of the programming of this website.

Do not rely on this report to support investment decisions. The only authoritative source for the information in this report is the government agencies from which the data was acquired.

Sign up for a free account