by RH Advisors

See Home Value
Flanders 11901
343 Oak Avenue
$750,000
● House - Off Market

343 Oak Avenue

Southampton, NY 11901
bedrooms
4 Beds
bathrooms
2 Baths, 1 Half Bath
square feet
1,700 Ft²
$4,161
Est. Monthly

About This Property

Nestled in a park-like setting directly facing the Pine Barrens, this beautiful Victorian offers a rare blend of privacy, serenity, and outdoor lifestyle. Enjoy immediate access to hiking, biking, horseback riding, and hunting with permits-all right outside your door.

Inside, the home features hardwood floors, recessed lighting, and a wood-burning fireplace with heatilator for added warmth and charm. The updated kitchen boasts new quartz countertops, a spacious peninsula with seating, and an adjoining dining area perfect for entertaining.

The primary bedroom suite offers a private bath and generous closet space. The entire home has been freshly painted, creating a bright and move-in-ready feel. Southampton Township.

Car enthusiasts and hobbyists will love the oversized 3-car garage. Additional highlights include 200-amp electric, generator hookup, gas available on the street, a brand-new one-layer roof, and a new boiler expansion tank.

Step outside to a private backyard with sliders to the yard, an outdoor shower, in-ground sprinklers, and peaceful surroundings. The basement offers added peace of mind with a French drain and double sump pump system. A wireless alarm system completes this exceptional property.

A truly special home where comfort, updates, and nature come together.
Unit Size
1,700 Ft²
Days on Market
62 days
Land Size
0.34 acres
Price per sqft
$435
Property Type
House
Property Taxes
$532
HOA Dues
-
Year Built
2011

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Last updated: 4 months ago (OneKey MLS #KEY992190)

Price History

Date / Event Date Event Price
Jun 29, 2026 Sold
Sold
May 20, 2026 In contract -
In contract
Apr 28, 2026 Listed by Coldwell Banker American Homes $739,000
Listed by Coldwell Banker American Homes
Dec 30, 2015 Sold
Sold
Nov 2, 2015 Sold
Sold
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Property Highlights

Garage
Air Conditioning
Fireplace

Building Info

Overview

    General

  • Year Built: 2011
  • Effective Year Built: 2011
  • Bedroom Count: 4
  • Bathroom Count: 3
  • Full Bathrooms: 2
  • Partial Bathrooms: 3
  • Building Condition: 0
  • Building Quality: 7
  • Construction Type: 0
  • Building Style: 10
  • Exterior Walls Type: 19
  • Interior Walls Type: 0
  • Roof Shape Type: 0
  • Roof Cover Type: 0
  • Floor Count: 200
  • Floor Cover: 0
  • Basement Type: 2
  • Basement Area: 0
  • Garage Type: 4
  • Garage Square Area: 504
  • Parking Space Count: 2
  • Patio Type: 0
  • Porch Type: 0
  • Pool Type: 0

    Dimensions

  • Lot Size Square Feet: 14,810
  • Total Building Area: 1,666
  • Building Area: 1,666
  • Building Area Measurement: L

    Heating and Cooling

  • Fireplace Count: 1
  • Air Conditioning: 0
  • Heating: 4
  • Heated Square Feet: 1,666
  • Heating Fuel Type: 6

    Utilities

  • Sewer System: 2
  • Water Service: 3

Building

  • Building Type: 0
  • Property Class: R
  • Subdivision: RIVERSIDE ESTATES
  • Land Acres: 0000000340
  • Standard Land Use Code: 1001
  • County Land Use Code: 210
  • Legal Description 1: BLK 10 LOT 503-504

Neighborhood

  • School District Name: Riverhead Central School District
  • School Tax School District: RIVERHEAD
  • Census Tract: 190405

Zoning

  • Zoning: CR40

Geography

  • Assessors Map Reference: MAP 1447
  • District: 0900-1
  • Section: 166.00
  • Parcel: 0900-166.00-01.00-036.000
  • Block: 1
  • Lot: 36.000
  • Municipality: SOUTHAMPTON
  • Latitude: 40.8982
  • Longitude: -72.6281

    Address

  • Full Address: 343 Oak Ave
  • Address - House Number: 343
  • Address - Street Name: Oak
  • Address - Suffix Type: Ave
  • State: NY
  • City Name: Riverhead
  • Carrier Code: C011
  • 4-Digit Zip Code: 4345
  • Zip Code: 11901

Valuation

    Tax

  • Tax Year: 2023
  • Tax Amount: $596,026
  • Tax Rate Code Area: 473002

    Appraisal Valuation

  • Standard Deviation: 0.2738
  • Valuation Date: Feb 14, 2024
  • Confidence Score: 60
  • Final Value: 620,700
  • High Value: 790,661
  • Low Value: 450,738

    Market Valuation

  • Market Total Value: $503,453
  • Market Land Value: $178,273
  • Market Improvement Value: $325,180

    Assessments Valuation

  • Assessed Year: 2023
  • Assessed Total Value: $349,900
  • Assessed Land Value: $123,900
  • Assessed Improvements Value: $226,000

    Sales

  • Current Sale Contract Date: Oct 29, 2015
  • Current Sale Recording Date: Dec 30, 2015
  • Current Sale Price:
  • Current Sale Document Type: 12
  • Previous Sale Recording Date: Aug 21, 2015
  • Previous Sale Contract Date: Apr 16, 2015
  • Previous Sale Amount: $293,611
  • Previous Sale Document Type: 34
Data used for valuation calculations is provided by RealtyHop, and other third party sources

Comparables

Unit
Status
Type
Beds
Baths
ft²
Price/ft²
Asking Price
Listed On
Closing Price
Sold On
HOA + Taxes

About Flanders


Similar Homes for Sale

Currently no similar homes around

Nearby Rentals

Unit for rent at 331 E Main Street, Riverhead, NY, 11901

$3,900 /mo

  • 2 Beds
  • 2 Baths
  • 1,200 ft²
331 E Main Street, Riverhead, NY, 11901 Listing by Judi McAvoy
Unit for rent at 525 Riverleigh Avenue, Riverhead, NY, 11901

$2,100 /mo

  • 1 Bed
  • 1 Bath
  • 1,200 ft²
525 Riverleigh Avenue #C8, Riverhead, NY, 11901 Listing by Todd Romano CBR


Frequently Asked Questions

When was property at 343 Oak Avenue built and last sold?
The property at 343 Oak Avenue was built in 2011 and last sold on Oct 29, 2015 for $291,000.
How much is this home worth?
The estimated value of the home located at 343 Oak Avenue is $712,970.
What are some comparable homes to 343 Oak Avenue?
There are currently no comparable homes to 343 Oak Avenue.