Construction
- Year Built: 1954
- Architectural Style: Ranch
- Construction Materials: Frame
Features
- Fencing: Back Yard
Measurements
- Building Area Total: 1,074
- Building Area Units: Square Feet
- Lot Size Acres: 0.16
- Lot Size Square Feet: 7,140
20 Gainsboro LaneSyosset, NY 11791
For Sale
$888,000
Smart Buyer Rebate $8,880
Listed by Jacklin Soleimani
·Douglas Elliman Real Estate
·516-627-2800
Last updated May 19, 2026
·Source: OneKey #998875
Listing Facts
- TypeSingle-family
- NeighborhoodSyosset
- Bedrooms3
- Bathrooms2
- Days on Prevu34
- Taxes$16,523/year
- Size1,074 sqft
- Price per sqft$827
Amenities
- Dishwasher
- Washer/Dryer
- Air Conditioning
- Parking
Location
Mortgage Calculator
Listing History
05/13/2026
Listed by Douglas Elliman Real Estate
$888,000
Property Details for 20 Gainsboro Lane
Exterior
Financial
Taxes
- Parcel Number: 2489-12-400-00-0009-0
- Tax Annual Amount: $16,523.00
- Tax Year: 2026
Interior
Features
- Appliances: Cooktop, Dishwasher, Dryer, Freezer, Oven, Refrigerator, Washer
- Fireplace: Yes
- Fireplaces Total: 1
- Flooring: Hardwood
- Interior Features: First Floor Bedroom, First Floor Full Bath, Eat-in Kitchen, Formal Dining, Storage, Washer/Dryer Hookup
Measurements
- Living Area: 1,074
- Living Area Source: Public Records
Rooms
- Basement: Finished, Full, Storage Space
- Has Basement: Yes
- Bathrooms Full: 1
- Bathrooms Half: 1
- Bathrooms Total Integer: 2
- Bedrooms Total: 3
- Rooms Total: 6
Parking
Parking
- Garage Spaces: 1
- Garage: Yes
- Parking Features: Driveway, Private
- Parking Total: 2
Schools
Elementary School
- Elementary School: Baylis Elementary School
- Elementary School District: Syosset
High School
- High School: Syosset Senior High School
- High School District: Syosset
Middle or Junior School
- Middle Or Junior School: H B Thompson Middle School
- Middle Or Junior School District: Syosset
Utilities
Equipment
- Cooling: Central Air
- Heating: Oil
- Laundry Features: In Basement
- Sewer: Public Sewer
- Utilities: Cable Available, Electricity Connected, Sewer Connected, Trash Collection Public, Water Connected
- Water Source: Public
Frequently Asked Questions
How many bedrooms and bathrooms does this single-family home have?
There are 3 bedrooms and 2 bathrooms in this single-family home at 20 Gainsboro Lane.
What schools are nearby to 20 Gainsboro Lane?
Nearby schools include the Baylis Elementary School, H B Thompson Middle School, and Syosset Senior High School.
Does this single-family home have parking?
Yes, there is 1 parking space available for 20 Gainsboro Lane.
What are the annual taxes for 20 Gainsboro Lane?
Annual taxes for this single-family home are estimated at $16,523.
How does 20 Gainsboro Lane compare to other single-family homes in Syosset?
This single-family home is listed 46% below the average price for single-family homes in Syosset and has been on the market for 10 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 1,074 sqft.
20 Gainsboro Lane is a 3-bedroom, 2-bath single-family home for sale in Syosset NY 11791. Listed on Prevu for 34 days at $888,000. This residence features 1,074 square feet of living space, located in Syosset. The median listing price for single-family homes in this area is $1,559,500. Nearby schools include Baylis Elementary School, H B Thompson Middle School, and Syosset Senior High School. The home offers dishwasher, air conditioning, parking, and washer/dryer. Browse more single-family home listings in Nassau 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 DisclaimersRebate 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.
