Recently Viewed Properties
See This Home
Save This Listing
Close

View All Photos

$649,000

  • For Sale
  • Active
  • Single Family
  • 4 Beds
  • 3 Full Baths
  • 2,369 Sq. Ft.
See This Home
Save This Home
See This Home
Save This Home
Welcome to a spacious and beautifully updated colonial located in the desirable William Floyd School District. This impressive 4-bedroom, 3-bath home offers exceptional versatility, abundant natural light, and an entertainer's dream of an outdoor oasis. Come inside to find a warm and welcoming first floor, where gleaming wood floors run throughout and multiple sitting areas create an effortless flow for everyday living or hosting guests. At the heart of the home is the kitchen, offering generous counter space, ample cabinetry, and room to gather. Sliding doors off the main level open directly onto the patio, extending your living space outdoors. The backyard is designed for relaxation and recreation alike, featuring a cabana, a beautifully maintained in-ground pool, and mature privacy trees that create a serene, resort-like setting. Upstairs, you'll discover well-appointed bedrooms, including a bright and comfortable primary suite with a large closet. A fully finished basement provides even more valuable space, ideal for a guest suite, home office, recreation area, or multigenerational living-with bonus living space. The property has seen thoughtful updates throughout, including new windows and siding, giving the home both curb appeal and energy efficiency. With its generous layout, indoor-outdoor flow, and turnkey condition, this home is perfectly prepared to welcome its next owner.

Full Property Details for 31 Southaven Ave

General

  • Price: $649,000
  • Taxes: $10,996
  • Status: Active
  • Type: Single Family
  • Source: Long_Island
  • MLS ID: 942900
  • Updated: 12/29/2025
  • Added to Site: 19 day(s) ago

Interior

  • Number of Rooms: 8
  • Interior Features: First Floor Bedroom, First Floor Full Bath
  • Appliances: Stainless Steel Appliance(s)

Rooms

Bathrooms

  • Total Bathrooms: 3
  • Full Bathrooms: 3

Bedrooms

  • Total Bedrooms: 4

Additional Information

  • Pool: Yes
  • Private Pool: Yes
  • Pool Description: In-Ground

Exterior

  • Porch/Patio/Deck: Patio

Parking

  • Parking Features: Driveway

Location

  • County: Suffolk County
  • Cross Streets: Van Buren Street
  • Driving Directions: East on Sunrise Highway to Exit South William Floyd Parkway, make a left on Surey Circle, Right on Northern Blvd, Right on Van Buren Street, Left on Southaven Avenue, location will be on the left hand side.

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

  • Central air: Yes
  • Cooling Type: Central Air
  • Heating Type: Forced Air

Utilities

  • Sewer: Cesspool
  • Water: Public
  • Utility Description: See Remarks

Structural Information

  • Architectural Style: Colonial
  • Detached/Attached: Detached
  • Construction: Vinyl Siding
  • Basement: Yes
  • Basement Desc.: Finished, Full Basement
  • Building Size: 2369
  • Square Feet: 2,369
  • Sq. Ft. Source: Public Records
  • Year Built: 2006

Lot Features

  • Lot Size (Acres): 0.23
  • Lot Size (Sq. Ft.): 10,019
  • Fence: Yes
  • Fencing (Description): Full, Vinyl

Financial Considerations

  • Tax Amount: $10,996.84

Disclosures and Reports

  • Special Conditions: None
  • Property ID: 0200-881-00-05-00-010-000

Listed by OverSouth LLC

Quickly Find Out More

* Indicates a required field

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Send Message, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If an Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby’s International Realty®). I acknowledge that I have read and agree to the Terms of Use and Privacy Notice.

We Value Your Privacy

Listing agents

— 31 Southaven Ave —

  • OverSouth LLC

  • OverSouth LLC

631-770-0030

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 Southaven Ave

School District:William Floyd Union Free School District
NameGradesDistance
Nathaniel Woodhull Elementary School
6 Francis Landau Place, Shirley, NY 11967
K-51 mi
William Floyd Middle School
630 Moriches-Middle Island Road, Moriches, NY 11955
6-82.2 mi
William Floyd High School
240 Mastic Beach Road, Mastic Beach, NY 11951
9-121.1 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 Southaven Ave Get Price Alerts and Save Property

Date
Details
Price
Change
Source
12/29/2025
Listed
$649,000
279.09%
MLS
6/14/2006
Sold
$171,200
—
Public Record
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 31 Southaven Ave

Year
Property Taxes
Change
Tax Assessment
Change
2020
100%
$2,610
—
2022
-100%
$2,610
—
2016
$11,256
—
$2,610
-10%
2016
$11,256
-5%
$2,900
—
2020
$11,804
2%
$2,900
—
2018
$11,518
2%
$2,900
—
2017
$11,311
—
$2,900
—
2016
$11,342
2%
$2,900
—
2015
$11,082
3%
$2,900
—
2015
$10,763
3%
$2,900
—
2014
$10,475
3%
$2,900
—
2013
$10,191
—
$2,900
—
View All
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 for 31 Southaven Ave

$
Down Payment
%
$
%

$
$

*These costs are estimates, and the interest rates assume exceptional credit standing.

Listed by OverSouth LLC

31 Southaven Avenue, Mastic, NY 11950 (MLS# 942900) is a Single Family property with 4 bedrooms and 3 full bathrooms. 31 Southaven Avenue is currently listed for $649,000 and was received on December 29, 2025. Want to learn more about 31 Southaven 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.

Tour this property