Date
Details
Price
Change
Source
2/12/2026
Listed
$450,000
—
MLS
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
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$450,000
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Property Description
This beautifully maintained 3 Bedroom Ranch offers the perfect blend of comfort, charm, and convenience with easy one-level living on a generous property in the William Floyd School District. Featuring hardwood floors and a bright, airy layout ideal for entertaining, this home includes a welcoming living room and a spacious eat-in kitchen with a large dining area-perfect for gatherings and everyday living. Enjoy peace of mind with major updates already completed, including a new heating system, new roof, updated siding, and windows, providing both efficiency and lasting value. Step outside to your private backyard retreat where the property extends down to a peaceful creek, offering a rare natural setting and a serene backdrop for relaxing, entertaining, or enjoying the outdoors. A fantastic opportunity to own a move-in ready home with valuable upgrades, conveniently located close to beaches, parks, shopping, and transportation. Call today for a private showing
Full Property Details
Full Property Details for 137 Riverside Ave
General
- Price: $450,000
- Taxes: $6,260
- Status: Active
- Type: Single Family
- Source: Long_Island
- MLS ID: 959543
- Updated: 2/12/2026
- Added to Site: 13 day(s) ago
Interior
- Number of Rooms: 5
- Interior Features: First Floor Bedroom, First Floor Full Bath, Eat-in Kitchen, Primary Bathroom
- Appliances: Dishwasher, Dryer, Electric Oven, Refrigerator, Washer
- Laundry Facilities: Yes
- Flooring: Hardwood
Rooms
Bathrooms
- Total Bathrooms: 1
- Full Bathrooms: 1
Bedrooms
- Total Bedrooms: 3
Other Rooms
- Laundry: Electric Dryer Hookup, Washer Hookup
Parking
- Garage: Yes
- Garage Spaces: 1
- Parking Features: Driveway, Garage
Location
- County: Suffolk County
- Cross Streets: Mastic Road
- Driving Directions: Mastic Road to Riverside Drive to $137
School Information
- High School District: William Floyd
- Elementary School: William Floyd Elementary School
- Middle School: William Floyd Middle School
- High School: William Floyd High School
Heating & Cooling
- Cooling Type: None
- Heating Type: Oil
- Heating Zones: 1
Utilities
- Sewer: Cesspool
- Water: Public
- Utility Description: Cable Available, Electricity Connected, Phone Available, Trash Collection Public, Water Connected
Structural Information
- Architectural Style: Ranch
- Detached/Attached: Detached
- Construction: Frame
- Building Size: 1161
- Square Feet: 1,161
- Sq. Ft. Source: Public Records
- Year Built: 1974
Lot Features
- Lot Size (Acres): 0.33
- Lot Size (Sq. Ft.): 14,375
Water Features
- Water Front View: Creek
Financial Considerations
- Tax Amount: $6,260.26
Disclosures and Reports
- Special Conditions: None
- Property ID: 0200-939-00-07-00-016-000
Listed by Signature Homes of New York
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Listing agent
— 137 Riverside Ave —
Signature Homes of New York
631-909-7200
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Schools
Schools serving 137 Riverside Ave
School District:William Floyd Union Free School District
| Name | Grades | Distance |
|---|---|---|
Nathaniel Woodhull Elementary School 6 Francis Landau Place, Shirley, NY 11967 | K-5 | 0.7 mi |
William Floyd Middle School 630 Moriches-Middle Island Road, Moriches, NY 11955 | 6-8 | 2.1 mi |
William Floyd High School 240 Mastic Beach Road, Mastic Beach, NY 11951 | 9-12 | 0.6 mi |
Disclaimer:
School attendance boundaries provided by Pitney Bowes and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 137 Riverside Ave
Tax History
Tax History for 137 Riverside Ave
Year
Property Taxes
Change
Tax Assessment
Change
2020
100%
$1,660
—
2022
100%
$1,660
—
2021
-100%
$1,660
—
2020
$6,343
3%
$1,660
—
2018
$6,175
2%
$1,660
—
2017
$6,068
11%
$1,660
—
2016
$5,475
3%
$1,660
—
2015
$5,337
3%
$1,660
—
2015
$5,166
2%
$1,660
—
2014
$5,047
3%
$1,660
—
2013
$4,895
—
$1,660
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 137 Riverside Ave
137 Riverside Avenue, Mastic Beach, NY 11951 (MLS# 959543) is a Single Family property with 3 bedrooms and 1 full bathroom. 137 Riverside Avenue is currently listed for $450,000 and was received on February 12, 2026. Want to learn more about 137 Riverside Avenue? Do you have questions about finding other Single Family real estate for sale in Mastic Beach? You can browse all Mastic Beach real estate or contact a Coldwell Banker agent to request more information.