142 Riverside Ave

Mastic Beach, NY 11951

$699,999
Price
4
Beds
2,150 Sq. Ft.
$326 / Sq. Ft.
2,150
Sq. Ft.
$326
per Sq. Ft.
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Description

Discover classic Colonial elegance combined with comfortable, modern living in this spacious 4-bedroom, 3-bath 1-attached garage and 1- stand free garage home with a full basement set on more than a half-acre of beautifully landscaped grounds. Inside, enjoy bright, well-proportioned rooms filled with natural light and timeless architectural details. The layout flows easily from formal to casual spaces, making everyday living and hosting effortless. Three full baths add convenience and comfort. Outside...Discover classic Colonial elegance combined with comfortable, modern living in this spacious 4-bedroom, 3-bath 1-attached garage and 1- stand free garage home with a full basement set on more than a half-acre of beautifully landscaped grounds. Inside, enjoy bright, well-proportioned rooms filled with natural light and timeless architectural details. The layout flows easily from formal to casual spaces, making everyday living and hosting effortless. Three full baths add convenience and comfort. Outside is a true private retreat: a resort-style backyard with mature plantings, manicured lawns, and multiple areas for dining, relaxing, and play. Whether you envision summer pool parties, quiet morning coffee, or large outdoor gatherings, this yard delivers. The generous lot also offers room for additions, a garden, or recreational amenities. Don’t miss this rare opportunity to own a home that blends traditional charm, adaptable living space, and an exceptional outdoor environment.
  1. Listed by George Gabriel • Coldwell Banker American Homes
    P: (631)-588-9090 C: (631)-889-3396 ggabriel@cbamhomes.com
  2. Listed by Rosann Romanelli • Coldwell Banker American Homes
    P: (631)-588-9090 C: (631)-767-4965 RRomanelli@cbamhomes.com

Property Details for 142 Riverside Avenue

City/Township
Brookhaven
Architectural Style
Colonial
Garage Spaces
2.00
Waterfront
No
Section Area
Market Street
LISTING UPDATED: 06/07/2026 03:10 PM

Property Details for 142 Riverside Avenue

StatusActive
MLS #1009138
Days on Market4
Taxes$11,058 / year
HOA Fees-
Condo/Co-op Fees-
Property TypeSingle Family
MLS TypeSingle Family
Year Built1974
Lot Size0.55 AC / 23,958 SF
CountySuffolk County
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Location

Listing Courtesy of Coldwell Banker American Homes, George Gabriel; Coldwell Banker American Homes, Rosann Romanelli
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Building Information for 142 Riverside Avenue

Stories-Year Built1974Building Size-Lot Size0.55 AC / 23,958 SF

Payment Calculator

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$4,410 per month

30 year fixed, 6.36% Interest

Principal and Interest

$3,488

Property Taxes

$922

HOA Dues

$0

The Payment Calculator is for illustrative purposes only.

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Property Information for 142 Riverside Avenue

Summary
Location and General Information
  • Senior Community YN: No
  • Property Attached: No
  • Structure Type: Detached
  • Levels: Bi-Level
  • State Or Province: NY
School Information
  • School District: William Floyd
  • Elementary School District: William Floyd
  • Elementary School: Tangier Smith Elementary School
  • Middle Or Junior School District: William Floyd
  • Middle Or Junior School: William Paca Middle School
  • High School District: William Floyd
  • High School: William Floyd High School
Rental
Rental
  • Lease Considered: No
Unit Information
Unit Information
  • Building Units Total: 1
Room Information
Room 1 Information
  • Room Level: First
  • RoomDescription 1: Kitchen, Living Room, Bath, Dining Room
Room 2 Information
  • Room Level: Second
  • Room Description: Bedroom, Bedroom, Bedroom, Bedroom, Bathroom
Room 3 Information
  • Room Level: Basement
  • Room Description: Finished, Bathroom
Taxes and HOA Information
Taxes and HOA Information
  • Parcel Number: 0200-939-00-09-00-017-001
  • Tax Assessed Value: $2,625.00
  • Additional Fees: No
  • Tax Source: Municipality
  • Tax Year: 2026.0
  • Association: No
Interior and Exterior Features
Interior Features
  • Amenities: Above Ground, Back Yard, Colonial, Deck, Entrance Foyer, Fenced, His and Hers Closets, Public, Vinyl, Washer/Dryer Hookup
  • Interior Features: Entrance Foyer, His and Hers Closets, Washer/Dryer Hookup
  • Appliances: Dishwasher, Dryer, Microwave, Range, Refrigerator, Stainless Steel Appliance(s), Gas Water Heater
  • Total Rooms: 9
  • Basement: Finished
  • Attic Description: Crawl
  • Fireplace: Yes
  • Location Amenities: Stainless Steel Appliances, Fenced, Fenced Yard, Entry Foyer, Foyer, WD Hookup, Privacy, Deck, Above Ground Pool
  • Flooring: Vinyl
  • Living Area: 2,150.00
  • Basement: Yes
Exterior Features
  • Exterior Property Features: Above Ground, Deck, Driveway, Garage, Garage Door Opener, Off Street, Back Yard, Fenced, Landscaped, Private, Sprinklers In Front, Sprinklers In Rear
  • Elevation Certificate: No
  • Fencing: Back Yard, Fenced
  • Patio And Porch Features: Deck
  • Construction Materials: Frame
  • Pool Private: Yes
  • Pool Features: Above Ground
  • Pool Details: Above Ground
Lot Information
  • Lot Features: Back Yard, Landscaped, Private, Sprinklers In Front, Sprinklers In Rear
  • Site Features: Back Yard, Landscaped, Private, Sprinklers In Front, Sprinklers In Rear
  • Building Area Units: Square Feet
Parking
  • Parking Features: Driveway, Garage, Garage Door Opener, Off Street
  • Garage: Yes
  • Carport: No
Utilities
  • Cooling: Central Air
  • Heating: Baseboard, Oil
  • Heat Fuel Type: Baseboard, Oil
  • Sewer: Cesspool
  • Water Source: Public
  • Utilities: Cable Connected
Green Features
  • Green Features: Dishwasher, Dryer, Microwave, Range, Refrigerator, Stainless Steel Appliance(s), Gas Water Heater, Baseboard, Oil, Above Ground
Agent
Payment and Rate
  • Down Payment Resource: Yes

Property History for 142 Riverside Avenue

DateEvent & SourcePriceAppreciation
Jun 4, 2026

Listed (Active)

ONEKEY #1009138

$699,999—
DateEvent & SourcePrice
06/04/2026

Listed (Active)

ONEKEY #1009138

$699,999

For completeness, we often displays two records for one sale: the MLS record and the public record.

Public Records for 142 Riverside Avenue

Taxable ValueLand$200Additions$2,425Total$2,625
Home Facts
Beds0Lot Size23,958 SqFtStyleSingle Family ResidenceCountySUFFOLKAPN0200-939.00-09.00-017.001

Schools near 142 Riverside Avenue

This home is within William Floyd Union Free School District.
Rating
School
Type
Grades
Distance
Tangier Smith Elementary School
Public - K to 5
William Paca Middle School
Public - 6 to 8
William Floyd High School
Public - 9 to 12
William Floyd Learning Center
Public - K to 5
Rating
School
Distance
Tangier Smith Elementary School
PublicK to 5

William Paca Middle School
Public6 to 8

William Floyd High School
Public9 to 12

William Floyd Learning Center
PublicK to 5

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

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More information about 142 Riverside Avenue, Mastic Beach, NY 11951

142 Riverside Avenue is a single family home for sale in Mastic Beach, NY 11951. This property was listed for sale on June 4, 2026 by Coldwell Banker American Homes, it's currently listed at $699,999. This listing's school district is William Floyd Union Free School District. Nearby schools include Tangier Smith Elementary School, William Paca Middle School and William Floyd High School. 142 Riverside Avenue is a 4-bed, 3-bath, 2,150 sqft single family home built in 1974.

No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of descriptions or measurements (including square footage measurements and property condition), such should be independently verified, and Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties expressly disclaims any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the discretion of the seller. No financial or legal advice provided. Equal Housing Opportunity.

Listing Courtesy of Coldwell Banker American Homes, George Gabriel; Coldwell Banker American Homes, Rosann Romanelli

Based on information submitted to the MLS GRID as of 06/07/2026 03:10 PM. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Properties displayed may be listed or sold by various participants in the MLS. IDX information is provided exclusively for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The data is deemed reliable but is not guaranteed by MLS GRID. Use of the MLS GRID data may be subject to an end user license agreement prescribed by the applicable MLS of the Member Participant, if any, and as amended from time to time.