Single Family
4 Riverside Avenue
Active · Brookhaven · Suffolk County, NY 11951
- Bedrooms
- 3 Beds
- Bathrooms
- 3 Baths
- Year built
- 1955
- Est. monthly taxes
- $716.84
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About this home
Rare opportunity in Mastic Beach. Fully renovated Cape on a private 1+ acre corner lot with river views, modern upgrades throughout, and flexible living space including a possible 4th bedroom or office. Welcome to 4 Riverside Avenue, a beautifully updated home that offers the perfect combination of space, privacy, and modern comfort. This property stands out with its oversized lot, thoughtful renovation, and peaceful natural surroundings. The home features 3 spacious bedrooms, a potential 4th bedroom or office space, and 3 full bathrooms, providing flexibility for today's lifestyle. Natural light fills the home, highlighting the neutral color palette and hardwood floors throughout, creating a warm and inviting atmosphere from the moment you enter. The fully renovated kitchen is designed for both everyday living and entertaining, featuring brand new stainless steel appliances, granite countertops, and custom cabinetry. The bathrooms have been updated with modern tile finishes, adding a fresh and clean design throughout the home. Major upgrades include a new roof (2026), new electric, new fencing, and updated landscaping. The elegant Mountain Black metal roof adds both durability and striking curb appeal. The spacious basement with walkout access provides excellent potential for additional living space. With areas ideal for a bar, cinema room, recreation space, or future finishing, the lower level offers incredible versatility. Outside, the property truly shines. Sitting on over an acre of land, the home features new trees, fresh landscaping, a fenced front yard, and a fenced backyard, creating a peaceful outdoor setting with plenty of room to relax, entertain, or expand. This home offers convenient access to nearby parks, waterfront areas, shopping, and local amenities. If you are looking for a fully renovated, move in ready home with space, privacy, and modern upgrades on a rare oversized lot with river views, this is one you will want to see in person.
Listing snapshot
- Days on site
- 29 days
- Listed on MLS
- Mar 4, 2026
- Full baths
- 3
- Half baths
- 0
- Annual property tax (MLS)
- $8,602.14
- Tax year
- 2025
- Area source (MLS)
- Other
- Listing brokerage
- Signature Premier Properties
- MLS ID
- KEY967520
- Last updated
- Oct 1, 2026
General features
- Property type
- Single Family
- Property subtype
- Single Family Residence
- Year built
- 1955
- Garage
- No
- Parking
- Driveway, Oversized, Private
- Water source
- Public
- Sewer
- Cesspool
- Utilities
- Cable Available, Cable Connected, Electricity Available, Electricity Connected, See Remarks, Trash Collection Public, Water Available, Water Connected
Interior features
- Basement
- Full, Walk-Out Access
- Heating
- Electric, ENERGY STAR Qualified Equipment
- Cooling
- Electric, ENERGY STAR Qualified Equipment, Multi Units, Wall/Window Unit(s), Zoned
- Interior
- First Floor Bedroom, First Floor Full Bath, Chefs Kitchen, Crown Molding, Formal Dining, Open Floorplan, Primary Bathroom, Walk-In Closet(s)
- Appliances
- Dishwasher, Electric Range, Electric Water Heater, ENERGY STAR Qualified Appliances, Microwave
- Flooring
- Hardwood
- Fireplace
- Yes
Exterior features
- Architectural style
- Cape Cod
- Construction materials
- Brick
- Private pool
- No
Schools (MLS)
- Elementary school
- Nathaniel Woodhull Elementary School
- Elementary school district
- William Floyd
- Middle school
- William Floyd Middle School
- Middle school district
- William Floyd
- High school
- William Floyd High School
- High school district
- William Floyd
School information is provided by the MLS. Confirm attendance eligibility with the school district.
Recent activity
- Listing updated from MLS
- First seen on this site
- MLS status changed
Location
Estimate monthly payment
Estimated monthly principal & interest—
Monthly property taxNot provided
Monthly association / maintenance feesNot provided
Estimated monthly total of entered costs—
Listing data is supplied by the MLS and may change without notice.
