Date
Details
Price
Change
Source
6/04/2026
Listed
$699,999
—
MLS
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
No photo available
$699,999 Just Listed
Property 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 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.
Full Property Details
Full Property Details for 142 Riverside Ave
General
- Price: $699,999
- Taxes: $11,058
- Status: Active
- Type: Single Family
- Source: Long_Island
- MLS ID: 1009138
- Updated: 6/4/2026
- Added to Site: 3 day(s) ago
Interior
- Number of Rooms: 9
- Interior Features: Entrance Foyer, His and Hers Closets, Washer/Dryer Hookup
- Fireplace: Yes
- Appliances: Dishwasher, Dryer, Microwave, Range, Refrigerator, Stainless Steel Appliance(s), Gas Water Heater
- Flooring: Vinyl
Rooms
Bathrooms
- Total Bathrooms: 3
- Full Bathrooms: 3
Bedrooms
- Total Bedrooms: 4
Additional Information
- Pool: Yes
- Private Pool: Yes
- Pool Description: Above Ground
Exterior
- Porch/Patio/Deck: Deck
Parking
- Garage: Yes
- Garage Spaces: 2
- Parking Features: Driveway, Garage, Garage Door Opener, Off Street
Location
- County: Suffolk County
- Cross Streets: Market Street
School Information
- High School District: William Floyd
- Elementary School: Tangier Smith Elementary School
- Middle School: William Paca Middle School
- High School: William Floyd High School
Heating & Cooling
- Central air: Yes
- Cooling Type: Central Air
- Heating Type: Baseboard, Oil
Utilities
- Sewer: Cesspool
- Water: Public
- Utility Description: Cable Connected
Structural Information
- Architectural Style: Colonial
- Detached/Attached: Detached
- Construction: Frame
- Basement: Yes
- Basement Desc.: Finished
- Sq. Ft. Source: Public Records
- Year Built: 1974
Lot Features
- Lot Size (Acres): 0.55
- Lot Size (Sq. Ft.): 23,958
- Fence: Yes
- Lot Features: Back Yard, Landscaped, Private, Sprinklers In Front, Sprinklers In Rear
- Fencing (Description): Back Yard, Fenced
Financial Considerations
- Tax Amount: $11,058
Disclosures and Reports
- Special Conditions: None
- Property ID: 0200-939-00-09-00-017-001
Listed by Coldwell Banker American Homes
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Listing agents
— 142 Riverside Ave —
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Schools
Schools serving 142 Riverside Ave
School District:William Floyd Union Free School District
| Name | Grades | Distance |
|---|---|---|
Tangier Smith Elementary School 336 Blanco Drive, Mastic Beach, NY 11951 | K-5 | 0.9 mi |
William Paca Middle School 338 Blanco Drive, Mastic Beach, NY 11951 | 6-8 | 0.7 mi |
William Floyd High School 240 Mastic Beach Road, Mastic Beach, NY 11951 | 9-12 | 0.5 mi |
Disclaimer:
School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 142 Riverside Ave
Tax History
Tax History for 142 Riverside Ave
Year
Property Taxes
Change
Tax Assessment
Change
2024
$9,589
100%
$2,625
—
2020
100%
$2,625
—
2022
100%
$2,625
—
2021
-100%
$2,625
—
2020
$10,593
3%
$2,625
—
2018
$10,333
2%
$2,625
—
2017
$10,149
8%
$2,625
—
2016
$9,399
3%
$2,625
—
2015
$9,167
3%
$2,625
—
2015
$8,881
2%
$2,625
—
2014
$8,679
3%
$2,625
—
2013
$8,426
—
$2,625
—
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 142 Riverside Ave
142 Riverside Avenue, Mastic Beach, NY 11951 (MLS# 1009138) is a Single Family property with 4 bedrooms and 3 full bathrooms. 142 Riverside Avenue is currently listed for $699,999 and was received on June 04, 2026. Want to learn more about 142 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.