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$630,000

  • Sold
  • Closed
  • Single Family
  • 4 Beds
  • 4 Full Baths
  • 4,140 Sq. Ft.
See This Home
Save This Home
See This Home
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Welcome to 31 Neptune Avenue, Mastic, NY Don't miss this expanded and updated Cape with room for everyone! Set on a beautifully manicured quarter acre lot, this 4-bedroom, 4-bathroom home offers the perfect blend of character, function, and versatility ideal for extended living or multi-generational needs. Step inside to gleaming hardwood floors (recently refinished), elegant crown molding throughout, and a thoughtfully designed floor plan featuring a spacious Den, formal dining area, eat-in kitchen with stainless steel refrigerator, and electric cooktop with in-wall oven. A cozy Living Room with a wood-burning fireplace, separate family room, and mudroom add plenty of flexibility for everyday living. The first-floor full bath has been fully renovated, and Andersen windows provide quality and efficiency throughout. Two spacious bedrooms are located on the main level, with two more upstairs each floor offering its own bathrooms, including two full baths upstairs and private second-floor entrance via rear deck, perfect for guests or extended family. A second Living room is located on the 2nd floor along with a Den. Step outside to your personal oasis a stunning 18x39 in-ground pool with diving board, solar cover, and a pool house complete with two sliding doors, wet bar, full bath, and ample storage. The fully fenced backyard features mature landscaping, under-soffit lighting, and a circular driveway, offering both curb appeal and functionality. Additionally the home includes a 5 Zone In-ground sprinkler system, Ring cameras and an alarm system. New Window Blinds, Door Knobs/ handles throughout the home. A very spacious full basement with outside entrance, Laundry room and storage galore. Property has above ground oil tank. Kitchen has an under sink reverse osmosis filtration system. This Unique home has been lovingly maintained and offers flexible living options for a variety of lifestyles. Home is being sold ASIS

Full Property Details for 31 Neptune Ave

General

  • Sold For: $630,000
  • Taxes: $8,422
  • Status: Closed
  • Type: Single Family
  • Source: Long_Island
  • MLS ID: 886935
  • Added to Site: 213 day(s) ago

Interior

  • Number of Rooms: 12
  • Interior Features: First Floor Bedroom, First Floor Full Bath, Ceiling Fan(s), Crown Molding, Eat-in Kitchen, Entrance Foyer, Formal Dining, In-Law Floorplan, Other, Pantry, Master Downstairs, Smart Thermostat, Storage, Walk-In Closet(s), Washer/Dryer Hookup, Wet Bar
  • Fireplace: Yes
  • Number of Fireplaces: 1
  • Fireplace(s): Living Room, Wood Burning
  • Appliances: Dishwasher, Dryer, Electric Cooktop, Electric Oven, Electric Water Heater, Microwave, Other, Oven, Refrigerator, Stainless Steel Appliance(s), Washer
  • Laundry Facilities: Yes
  • Flooring: Hardwood, Tile, Vinyl

Rooms

Bathrooms

  • Total Bathrooms: 4
  • Full Bathrooms: 4

Bedrooms

  • Total Bedrooms: 4

Other Rooms

  • Laundry: Electric Dryer Hookup, In Basement, Laundry Room, Washer Hookup

Additional Information

  • Pool: Yes
  • Private Pool: Yes
  • Pool Description: Diving Board, In-Ground, Solar Cover, Vinyl
  • Security/Safety: Security System

Exterior

  • Exterior Features: Lighting
  • Porch/Patio/Deck: Covered, Porch

Parking

  • Parking Features: Driveway, On Street, Other

Location

  • County: Suffolk County
  • Cross Streets: Mastic rd
  • Driving Directions: William Floyd to Northern blvd to Patchogue ave to Mastic Rd and left on Neptune ave.

School Information

  • High School District: William Floyd
  • Elementary School: William Floyd Elementary School
  • Middle School: William Floyd Middle School
  • High School: William Floyd High School

Heating & Cooling

  • Cooling Type: Wall/Window Unit(s)
  • Heating Type: Baseboard, Electric, Oil, Other
  • Heating Zones: 2

Utilities

  • Sewer: Cesspool, Other
  • Water: Public
  • Utility Description: Electricity Available, Electricity Connected, Sewer Available, Water Available, Water Connected

Structural Information

  • Architectural Style: Expanded Cape
  • Detached/Attached: Detached
  • Construction: Cedar, Fiberglass Insulation, Frame
  • Basement: Yes
  • Basement Desc.: Bilco Door(s), Full Basement, See Remarks
  • Windows: Blinds
  • Building Size: 4140
  • Square Feet: 4,140
  • Sq. Ft. Source: Plans
  • Year Built: 1973

Additional Structures

  • Other Structures: Pool House

Lot Features

  • Property View: Trees/Woods
  • Lot Size (Acres): 0.25
  • Lot Size (Sq. Ft.): 10,890
  • Lot Dimensions: 100 x 125
  • Fence: Yes
  • Lot Features: Back Yard, Front Yard, Landscaped, Sprinklers In Front, Sprinklers In Rear
  • Fencing (Description): Back Yard, Fenced, Full, Vinyl

Financial Considerations

  • Tax Amount: $8,422

Disclosures and Reports

  • Special Conditions: None
  • Property ID: 0200-909-00-06-00-040-000

Listed by Signature Premier Properties
Sold by Signature Premier Properties

Listing agents

— 31 Neptune Ave —

  • Signature Premier Properties

  • Signature Premier Properties

631-751-2111

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 31 Neptune Ave

School District:William Floyd Union Free School District
NameGradesDistance
Nathaniel Woodhull Elementary School
6 Francis Landau Place, Shirley, NY 11967
K-50.9 mi
William Floyd Middle School
630 Moriches-Middle Island Road, Moriches, NY 11955
6-81.8 mi
William Floyd High School
240 Mastic Beach Road, Mastic Beach, NY 11951
9-120.8 mi
Disclaimer: School attendance boundaries provided by Pitney Bowes and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 31 Neptune Ave

Date
Details
Price
Change
Source
9/17/2025
Sold
$630,000
14.99%
MLS
7/10/2025
Listed
$547,888
—
MLS
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Listed by Signature Premier Properties
Sold by Signature Premier Properties

31 Neptune Avenue, Mastic, NY 11950 (MLS# 886935) is a Single Family property that was sold at $630,000 on September 17, 2025. Want to learn more about 31 Neptune Avenue? Do you have questions about finding other Single Family real estate for sale in Mastic? You can browse all Mastic real estate or contact a Coldwell Banker agent to request more information.