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343 Oak AvenueRiverhead, NY 11901

For Sale

$739,000

Smart Buyer Rebate $5,975

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 (to be freshly refinished), 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.

Listed by Maria Caifa

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Coldwell Banker American Homes

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631-863-9800

Listed by Bryan J. Karp CBR

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Coldwell Banker American Homes

Last updated April 30, 2026

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Source: OneKey #992190

Listing Facts

  • TypeSingle-family
  • NeighborhoodFlanders
  • Bedrooms4
  • Bathrooms3
  • Days on Prevu2
  • Taxes$6,381/year
  • Size1,700 sqft
  • Price per sqft$435

Amenities

  • Dishwasher
  • Washer/Dryer
  • Parking

Location

Mortgage Calculator

Listing History

04/28/2026
Listed by Coldwell Banker American Homes
$739,000

Property Details for 343 Oak Avenue

Exterior

Construction

  • Year Built: 2004
  • Architectural Style: Colonial
  • Construction Materials: Frame

Measurements

  • Building Area Total: 2,253
  • Building Area Units: Square Feet
  • Lot Size Acres: 0.34
  • Lot Size Square Feet: 14,810

Financial

Taxes

  • Parcel Number: 0900-166-00-01-00-036-000
  • Tax Annual Amount: $6,381.00
  • Tax Year: 2025

Interior

Features

  • Appliances: Dishwasher, Dryer, Microwave, Oven, Refrigerator, Stainless Steel Appliance(s), Washer, Oil Water Heater
  • Fireplace: Yes
  • Interior Features: Eat-in Kitchen, Quartz/Quartzite Counters, Recessed Lighting

Measurements

  • Living Area: 1,700
  • Living Area Source: Other

Rooms

  • Basement: Full
  • Has Basement: Yes
  • Bathrooms Full: 2
  • Bathrooms Half: 1
  • Bathrooms Total Integer: 3
  • Bedrooms Total: 4
  • Rooms Total: 8

Parking

Parking

  • Garage Spaces: 3
  • Garage: Yes
  • Parking Features: Attached, Detached

Schools

Elementary School

  • Elementary School: Phillips Avenue School
  • Elementary School District: Riverhead

High School

  • High School: Riverhead Senior High School
  • High School District: Riverhead

Middle or Junior School

  • Middle Or Junior School: Riverhead Middle School
  • Middle Or Junior School District: Riverhead

Utilities

Equipment

  • Cooling: Ductless
  • Heating: Oil
  • Sewer: Cesspool
  • Utilities: Natural Gas Available
  • Water Source: Public

Frequently Asked Questions

How many bedrooms and bathrooms does this single-family home have?

There are 4 bedrooms and 3 bathrooms in this single-family home at 343 Oak Avenue.

What schools are nearby to 343 Oak Avenue?

Nearby schools include the Phillips Avenue School Elementary School, Riverhead Middle School, and Riverhead Senior High School.

Does this single-family home have parking?

Yes, there are 3 parking spaces available for 343 Oak Avenue.

What are the annual taxes for 343 Oak Avenue?

Annual taxes for this single-family home are estimated at $6,381.

How does 343 Oak Avenue compare to other single-family homes in Flanders?

This single-family home is listed 20% below the average price for single-family homes in Flanders and has been on the market for 80 less days than the typical home in this area.

What is the square footage on this single-family home?

According to the MLS, this listing is 1,700 sqft.

343 Oak Avenue is a 4-bedroom, 3-bath single-family home for sale in Riverhead NY 11901. On Prevu for 2 days at $739,000. This residence features 1,700 square feet of living space, located in Suffolk County. The median listing price for single-family homes in this area is $929,000. Nearby schools include Phillips Avenue School Elementary School, Riverhead Middle School, and Riverhead Senior High School. Additional amenities include dishwasher, parking, and washer/dryer. Explore more single-family home listings in Suffolk County.

The data relating to real estate for sale on this website comes in part from the IDX Program of OneKey™ MLS. The source of the displayed data is either the property owner or public record provided by non-governmental third parties. It is believed to be reliable but not guaranteed. This information is provided exclusively for consumers’ personal, non-commercial use. Information Copyright 2026, OneKey™ MLS. All Rights Reserved.

Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.