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.
Pending
$699,999
142 Riverside Avenue, Mastic Beach, NY 11951
4beds
2,150sqft
Single Family Residence, Residential
Built in 1974
0.55 Acres Lot
$-- Zestimate®
$326/sqft
$-- HOA
What's special
Classic colonial eleganceResort-style backyardTraditional charmAdaptable living spaceTimeless architectural detailsFull basementExceptional outdoor environment
- 18 days |
- 683 |
- 25 |
Zillow last checked:
Listing updated:
Listed by:
Coldwell Banker American Homes 631-588-9090,
George Gabriel 631-889-3396,
Rosann Romanelli 631-767-4965,
Coldwell Banker American Homes
Source: OneKey® MLS as distributed by MLS GRID,MLS#: 1009138
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 3
- Full bathrooms: 3
Other
- Description: Kitchen, Living Room, Bath, Dining Room
- Level: First
Other
- Description: Bedroom, Bedroom, Bedroom, Bedroom, Bathroom
- Level: Second
Other
- Description: Finished, Bathroom
- Level: Basement
Heating
- Baseboard, Oil
Cooling
- Central Air
Appliances
- Included: Dishwasher, Dryer, Microwave, Range, Refrigerator, Stainless Steel Appliance(s), Gas Water Heater
- Laundry: Washer/Dryer Hookup
Features
- Entrance Foyer, His and Hers Closets
- Flooring: Vinyl
- Basement: Finished
- Attic: Crawl
- Has fireplace: Yes
Interior area
- Total structure area: 2,150
- Total interior livable area: 2,150 sqft
Property
Parking
- Total spaces: 2
- Parking features: Driveway, Garage, Garage Door Opener, Off Street
- Garage spaces: 2
- Has uncovered spaces: Yes
Features
- Levels: Bi-Level
- Patio & porch: Deck
- Has private pool: Yes
- Pool features: Above Ground
- Fencing: Back Yard,Fenced
Lot
- Size: 0.55 Acres
- Features: Back Yard, Landscaped, Private, Sprinklers In Front, Sprinklers In Rear
Details
- Parcel number: 0200939000900017001
- Special conditions: None
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Colonial
- Property subtype: Single Family Residence, Residential
Materials
- Frame
Condition
- Year built: 1974
Utilities & green energy
- Sewer: Cesspool
- Water: Public
- Utilities for property: Cable Connected
Community & HOA
HOA
- Has HOA: No
Location
- Region: Mastic Beach
Financial & listing details
- Price per square foot: $326/sqft
- Tax assessed value: $2,625
- Annual tax amount: $11,058
- Date on market: 6/4/2026
- Cumulative days on market: 19 days
- Listing agreement: Exclusive Right To Sell
- Listing terms: Conventional
Estimated market value
Not available
Estimated sales range
Not available
Not available
Price history
| Date | Event | Price |
|---|---|---|
| 6/19/2026 | Pending sale | $699,999$326/sqft |
Source: | ||
| 6/4/2026 | Listed for sale | $699,999$326/sqft |
Source: | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2017 | $10,333 | $2,625 |
| 2016 | -- | $2,625 |
| 2015 | -- | $2,625 |
| 2014 | -- | $2,625 |
| 2013 | -- | $2,625 |
| 2012 | -- | $2,625 |
| 2011 | -- | $2,625 |
| 2010 | -- | $2,625 |
| 2009 | -- | $2,625 |
| 2008 | -- | $2,625 |
| 2007 | $7,172 +49.5% | $2,625 +15.4% |
| 2005 | $4,796 +5% | $2,275 |
| 2004 | $4,570 +6.3% | $2,275 |
| 2003 | $4,298 +6.8% | $2,275 |
| 2002 | $4,026 +4.5% | $2,275 |
| 2001 | $3,852 +1.2% | $2,275 |
| 2000 | $3,808 | $2,275 |
Find assessor info on the county website
Monthly payment
Estimated monthly payment$1,822
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.
Climate risks
Neighborhood: 11951
Nearby schools
GreatSchools rating
- 7/10Tangier Smith Elementary SchoolGrades: K-5Distance: 0.9 mi
- 6/10William Paca Middle SchoolGrades: 6-8Distance: 0.8 mi
- 3/10William Floyd High SchoolGrades: 9-12Distance: 0.6 mi
Schools provided by the listing agent
- Elementary: Tangier Smith Elementary School
- Middle: William Paca Middle School
- High: William Floyd High School
Source: OneKey® MLS as distributed by MLS GRID. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
A local agent can set up tours, give advice and negotiate with sellers.
- New York
- Suffolk County
- Mastic Beach
- 11951
- 142 Riverside Avenue




