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20 Stony RoadStony Brook, NY 11790

For Sale

$750,000

Smart Buyer Rebate $6,250

Beautiful home on a quiet country lane in Stony Brook North of 25A. Perfect setup for mother/daughter with proper permits. The home has been set up as 2 separate units. 2 over 2. Great bones. Gas heat, 2 fireplaces, one may need work, Large windows bringing in beautiful sunlight, Large living rooms, and 2 decks. Full walk-up attic. Easy access to the university, train, hospital and shops. Many possibilities! Full basement with outside entrance. At one time there was an apartment in basement. Plumbing still exists for bathroom.

Listed by Mary A. Coonradt

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Realty Connect USA L I Inc

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631-941-4300

Last updated November 19, 2025

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Source: OneKey #932219

Listing Facts

  • TypeSingle-family
  • NeighborhoodStony Brook
  • Bedrooms4
  • Bathrooms2
  • Days on Prevu5
  • Taxes$17,806.62/year
  • Size1,700 sqft
  • Price per sqft$441

Amenities

  • Dishwasher
  • Private Outdoor Space
  • Washer/Dryer
  • Parking

Location

Mortgage Calculator

Listing History

11/14/2025
Listed by Realty Connect USA L I Inc
$750,000

Property Details for 20 Stony Road

Exterior

Construction

  • Property Condition: Actual
  • Year Built: 1927
  • Architectural Style: Colonial
  • Construction Materials: Vinyl Siding

Features

  • Patio And Porch Features: Deck

Measurements

  • Building Area Units: Square Feet
  • Lot Size Acres: 0.22
  • Lot Size Square Feet: 9,583

Financial

Taxes

  • Parcel Number: 0200-153-00-06-00-047-000
  • Tax Annual Amount: $17,806.62
  • Tax Assessed Value: $3,725.00
  • Tax Year: 2025

Interior

Features

  • Appliances: Dishwasher, Dryer, Gas Oven, Gas Range, Refrigerator, Washer, Gas Water Heater
  • Fireplace: Yes
  • Fireplaces Total: 2
  • Flooring: Carpet, Hardwood
  • Interior Features: First Floor Bedroom, First Floor Full Bath, Cathedral Ceiling(s), Eat-in Kitchen, Stone Counters

Measurements

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

Rooms

  • Basement: Full, Partially Finished, Walk-Out Access
  • Has Basement: Yes
  • Bathrooms Full: 2
  • Bathrooms Total Integer: 2
  • Bedrooms Total: 4
  • Rooms Total: 8

Parking

Parking

  • Parking Features: Driveway

Schools

Elementary School

  • Elementary School: Setauket Elementary School
  • Elementary School District: Three Village

High School

  • High School: Ward Melville Senior High School
  • High School District: Three Village

Middle or Junior School

  • Middle Or Junior School: Paul J Gelinas Junior High School
  • Middle Or Junior School District: Three Village

Utilities

Equipment

  • Heating: Natural Gas
  • Laundry Features: In Basement, In Kitchen
  • Sewer: Cesspool
  • Utilities: Cable Available, Electricity Connected, Natural Gas Connected, Phone Available, Sewer Connected, Trash Collection Public, Water Connected
  • Water Source: Public

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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.