Suffolk County  »  11951  »  Riverside Ave  »  137 Riverside Ave

137 Riverside Avenue, Mastic Beach, NY 11951 - Property report

Also known as: 137 Riverside Ave

Property image for 137 Riverside Avenue, Mastic Beach, NY 11951
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Property type

One Family Year-Round Residence (210)

Acreage

0.33

General information

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Address
Primary address
137 Riverside Avenue
ZIP code
11951
County
Suffolk
Village (SWIS code)
472289
Parcel ID
939-7-16

Owner

Find out who owns 137 Riverside Avenue, Mastic Beach, NY 11951. Uncover corporate and individual owners with a free account.

Tax
Tax year
2025-2026
Current property tax
$5,435
Zoning & Use
Zoning
Residence District (R1)
Building
Property type
One Family Year-Round Residence (210)
Lot
Acreage
0.33

Area overview

Walk score
29 /100.  Car-Dependent
Transit score
0 /100.  Minimal Transit
Bike score
27 /100.  Somewhat Bikeable
School district
472232

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

Ownership

Ownership information for 137 Riverside Avenue, Mastic Beach, NY

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

Sales history for 137 Riverside Avenue, Mastic Beach, NY 11951

No recently recorded sales for this property.

More about Suffolk County property records.

Title documents

Date Type Amount Party 1 Party 2
04/22/2016 - R
02/22/2016 - D		 Deed XXXXXX XXXXXXXXX XXXXXXXX XXXXXX, XX XXXXXXX

*Most recent recorded document on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 137 Riverside Avenue, Mastic Beach, NY

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

Current property tax
Tax year
2025-2026
Current property tax
$5,435
Base tax
$6,140
Recent tax assessments
Market value
$313,208
Assessed value
$1,660

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
2024-2025 $313,208 $1,660 363.67 $6,037 +2.08%
2023-2024 $307,408 $1,660 356.252 $5,914 -12.23%
2022-2023 $267,742 $1,660 405.87 $6,737 -3.28%
2021-2022 $224,324 $1,660 419.634 $6,966 +0.99%
2020-2021 $215,584 $1,660 415.528 $6,898 +2.62%
2019-2020 $193,023 $1,660 404.929 $6,722 +6.64%
2017-2018 $184,444 $1,660 379.733 $6,304 -0.25%
2016-2017 $182,418 $1,660 380.67 $6,319 +2.40%
2015-2016 $174,737 $1,660 371.745 $6,171 +2.63%
2014-2015 $174,737 $1,660 362.216 $6,013 +2.26%
Permits

Permit information for 137 Riverside Avenue, Mastic Beach, NY

No recently recorded permits for this property.

Neighborhood

Risk

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FEMA flood zones

FEMA flood zones
AE, X

Transportation

Daily traffic map
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Access the detailed traffic volume map for 137 Riverside Avenue, Mastic Beach, NY 11951 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)
John S Hobart Elementary School 3 Public K-5 798 0.68
Nathaniel Woodhull Elementary School 6 Public K-5 703 0.71
William Floyd Learning Center NR Public K-5 68 0.86
William Floyd Elementary School 4 Public K-5 742 0.86
Tangier Smith Elementary School 5 Public K-5 755 0.93
Moriches Elementary School 5 Public K-5 822 1.49
Clayton Huey Elementary School 5 Public PK, K-5 598 2.48
Clayton Huey Elementary School 5 Public PK, K-5 598 2.48
Our Lady Queen Of Apostles Reg Catholic School NR Private PK-8 153 3.00
Our Lady Queen Of Apostles Reg Catholic School NR Private PK-8 153 3.00
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
William Paca Middle School 4 Public 6-8 1,009 0.80
William Floyd Middle School 3 Public 6-8 1,053 2.07
Center Moriches Middle School 3 Public 6-8 325 2.31
Our Lady Queen Of Apostles Reg Catholic School NR Private PK-8 153 3.00
Eastport South Manor Junior Senior High School 5 Public 7-12 1,530 3.32
Leonard E Burket Christian School NR Private PK-12 77 3.50
East Moriches School 6 Public 5-8 309 4.30
Bellport Middle School 4 Public 6-8 838 5.54
Victory Christian Academy NR Private PK-12 71 6.35
Longwood Junior High School 3 Public 7-8 1,388 6.67
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
William Floyd High School 5 Public 9-12 3,013 0.61
Center Moriches High School 8 Public 9-12 556 2.31
Eastport South Manor Junior Senior High School 5 Public 7-12 1,530 3.32
Leonard E Burket Christian School NR Private PK-12 77 3.50
Bellport Senior High School 5 Public 9-12 1,392 4.31
Victory Christian Academy NR Private PK-12 71 6.35
Longwood High School 7 Public 9-12 2,977 7.02
Aunt T's Home Day Care NR Private PK, K-12 0 7.75
Patchogue Medford High School 5 Public 9-12 2,443 7.85
Eastern Suffolk Boces NR Public K-12 1,721 8.10

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

Neighbors for 137 Riverside Avenue, Mastic Beach, NY

32 Shore Dr, Mastic Beach 115 Riverside Ave, Mastic Beach 155 Riverside Ave, Mastic Beach 28 Shore Dr, Mastic Beach 30 Shore Dr, Mastic Beach 135 Riverside Ave, Mastic Beach 145 Riverside Ave, Mastic Beach 151 Riverside Ave, Mastic Beach 119 Riverside Ave, Mastic Beach 630 Mastic Rd, Mastic Beach 125 Riverside Ave, Mastic Beach 123 Riverside Ave, Mastic Beach 157 Riverside Ave, Mastic Beach 106 Shore Dr, Mastic Beach 121 Riverside Ave, Mastic Beach 111 Riverside Ave, Mastic Beach 131 Riverside Ave, Mastic Beach 127 Riverside Ave, Mastic Beach 141 Riverside Ave, Mastic Beach 102 Shore Dr, Mastic Beach

Nearby ZIP codes for 137 Riverside Avenue, Mastic Beach, NY

11713, Suffolk County, NY 11719, Suffolk County, NY 11763, Suffolk County, NY 11772, Suffolk County, NY 11933, Suffolk County, NY 11934, Suffolk County, NY 11940, Suffolk County, NY 11941, Suffolk County, NY 11949, Suffolk County, NY 11950, Suffolk County, NY 11953, Suffolk County, NY 11955, Suffolk County, NY 11960, Suffolk County, NY 11961, Suffolk County, NY 11967, Suffolk County, NY 11972, Suffolk County, NY 11977, Suffolk County, NY 11978, Suffolk County, NY 11980, Suffolk County, NY

Frequently asked questions

What is the assessed value of 137 Riverside Avenue, Mastic Beach, NY 11951?

137 Riverside Avenue, Mastic Beach, NY 11951 is currently assessed at $1,660.

What are the property taxes for 137 Riverside Avenue, Mastic Beach, NY 11951?

The property taxes for 137 Riverside Avenue, Mastic Beach, NY 11951 total $6,140.

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