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For sale
    • $450,000

    137 Riverside Avenue, Mastic Beach, NY 11951

    3beds
    1,161sqft
    Single Family Residence, Residential
    Built in 1974
    0.33 Acres Lot
    $-- Zestimate®
    $388/sqft
    $-- HOA

    What's special

    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
    13 days
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    Zillow last checked: 8 hours ago

    Listing updated: February 17, 2026 at 06:25am

    Listing by:

    Signature Homes of New York 631-909-7200,

    Rachel A. Hujber 631-662-1528

    Source: OneKey® MLS,MLS#: 959543MLS Logo

    Tour with a local agent

    Facts & features

    Interior

    Bedrooms & bathrooms
    • Bedrooms: 3
    • Bathrooms: 1
    • Full bathrooms: 1
    Heating
    • Oil
    Cooling
    • None
    Appliances
    • Included: Dishwasher, Dryer, Electric Oven, Refrigerator, Washer
    • Laundry: Electric Dryer Hookup, Washer Hookup
    Features
    • First Floor Bedroom, First Floor Full Bath, Eat-in Kitchen, Primary Bathroom
    • Flooring: Hardwood
    • Attic: See Remarks
    • Has fireplace: No
    Interior area
    • Total structure area: 1,161
    • Total interior livable area: 1,161 sqft
    Video & virtual tour

    Property

    Parking
    • Total spaces: 1
    • Parking features: Driveway, Garage
    • Garage spaces: 1
    • Has uncovered spaces: Yes
    Features
    • On waterfront: Yes
    • Waterfront features: Creek
    Lot
    • Size: 0.33 Acres
    Details
    • Parcel number: 0200939000700016000
    • Special conditions: None

    Construction

    Type & style
    • Home type: SingleFamily
    • Architectural style: Ranch
    • Property subtype: Single Family Residence, Residential
    Condition
    • Year built: 1974

    Utilities & green energy

    • Sewer: Cesspool
    • Water: Public
    • Utilities for property: Cable Available, Electricity Connected, Phone Available, Trash Collection Public, Water Connected

    Community & HOA

    HOA
    • Has HOA: No
    Location
    • Region: Mastic Beach

    Financial & listing details

    • Price per square foot: $388/sqft
    • Tax assessed value: $1,660
    • Annual tax amount: $6,260
    • Date on market: 2/12/2026
    • Cumulative days on market: 192 days
    • Listing agreement: Exclusive Right To Sell
    • Electric utility on property: Yes

    Estimated market value

    Not available

    Estimated sales range

    Not available

    Not available

    Price history

    Price history
    DateEventPrice
    2/12/2026Listed for sale$450,000-3.2%$388/sqft
    Source: OneKey® MLS #959543 Report a problem
    1/1/2026Listing removed$465,000$401/sqft
    Source: OneKey® MLS #878834 Report a problem
    10/14/2025Price change$465,000-2.1%$401/sqft
    Source: OneKey® MLS #878834 Report a problem
    7/25/2025Price change$475,000-5%$409/sqft
    Source: OneKey® MLS #878834 Report a problem
    7/2/2025Listed for sale$499,990$431/sqft
    Source: OneKey® MLS #878834 Report a problem

    Public tax history

    Public tax history
    YearProperty taxesTax assessment
    2017$6,175 $1,660
    2016-- $1,660
    2015-- $1,660
    2014-- $1,660
    2013-- $1,660
    2012-- $1,660 -5.1%
    2011-- $1,750
    2010-- $1,750
    2009-- $1,750
    2008-- $1,750
    2007$4,530 +28.6%$1,750
    2005$3,522 +4.8%$1,750
    2004$3,359 +6.4%$1,750
    2003$3,157 +6.6%$1,750
    2002$2,961 +2.2%$1,750
    2001$2,897 -12.8%$1,750 -11.9%
    2000$3,320 $1,987

    Find assessor info on the county website

    BuyAbility℠ payment

    Estimated monthly payment
    All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
    HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
    Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
    See how much you could borrow to make a competitive offer.

    Boost your down payment with 6% savings match

    Earn up to a 6% match & get a competitive APY with a *. Zillow has partnered with to help get you home faster.

    Learn more*Terms apply. Match provided by Foyer. Account offered by Pacific West Bank, Member FDIC.

    Climate risks

    Neighborhood: 11951

    Nearby schools

    GreatSchools rating
    Schools provided by the listing agent
    • Elementary: William Floyd Elementary School
    • Middle: William Floyd Middle School
    • High: William Floyd High School

    Source: OneKey® MLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.

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