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$888,000

  • For Sale
  • Active
  • Single Family
  • 3 Beds
  • 1 Full Bath
  • 1 Partial Bath
  • 1,074 Sq. Ft.
  • 1 Car Garage
  • Updated 6 days ago
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Charming Ranch House, Excellent Location, Syosset Schools, 3 Beds, 1 Full Bath on Main, 1/2 Bath in Basement, Living Room, Dining Room, Eat-in-Kitchen with Access to Patio and Backyard. Central Air. Full Finished Basement with Plenty Storage and Laundry. All Conveniences with Access to Great Shopping, LIRR, Highways, House of Worship.

Full Property Details for 20 Gainsboro Ln

General

  • Price: $888,000
  • Taxes: $16,523
  • Status: Active
  • Type: Single Family
  • Source: Long_Island
  • MLS ID: 998875
  • Updated: 5/13/2026
  • Added to Site: 13 day(s) ago

Interior

  • Number of Rooms: 6
  • Interior Features: First Floor Bedroom, First Floor Full Bath, Eat-in Kitchen, Formal Dining, Storage, Washer/Dryer Hookup
  • Fireplace: Yes
  • Number of Fireplaces: 1
  • Appliances: Cooktop, Dishwasher, Dryer, Freezer, Oven, Refrigerator, Washer
  • Laundry Facilities: Yes
  • Flooring: Hardwood

Rooms

Bathrooms

  • Total Bathrooms: 2
  • Full Bathrooms: 1
  • Half Bathrooms: 1

Bedrooms

  • Total Bedrooms: 3

Other Rooms

  • Laundry: In Basement

Parking

  • Garage: Yes
  • Garage Spaces: 1
  • Total Spaces: 2
  • Parking Features: Driveway, Private

Location

  • County: Nassau County
  • Cross Streets: Gary Road
  • Driving Directions: Gary Road to Gainsboro Lane

School Information

  • High School District: Syosset
  • Elementary School: Baylis Elementary School
  • Middle School: H B Thompson Middle School
  • High School: Syosset Senior High School

Heating & Cooling

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

Utilities

  • Sewer: Public Sewer
  • Water: Public
  • Utility Description: Cable Available, Electricity Connected, Sewer Connected, Trash Collection Public, Water Connected

Structural Information

  • Architectural Style: Ranch
  • Detached/Attached: Detached
  • Construction: Frame
  • Basement: Yes
  • Basement Desc.: Finished, Full Basement, Storage Space
  • Building Size: 1074
  • Square Feet: 1,074
  • Sq. Ft. Source: Public Records
  • Year Built: 1954

Lot Features

  • Lot Size (Acres): 0.1639
  • Lot Size (Sq. Ft.): 7,140
  • Fence: Yes
  • Fencing (Description): Back Yard

Financial Considerations

  • Tax Amount: $16,523

Disclosures and Reports

  • Special Conditions: None
  • Property ID: 2489-12-400-00-0009-0

Listed by Douglas Elliman Real Estate

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Listing agent

— 20 Gainsboro Ln —

  • Douglas Elliman Real Estate

516-627-2800

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with our affiliated lender
NMLS#: 1598647

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Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

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Schools serving 20 Gainsboro Ln

School District:Syosset Central School District
NameGradesDistance
Baylis Elementary School
580 Woodbury Road, Plainview, NY 11803
K-50.4 mi
H B Thompson Middle School
98 Ann Dr, Syosset, NY 11791
6-80.6 mi
Syosset Senior High School
70 South Woods Road, Syosset, NY 11791
9-122.5 mi
Disclaimer: School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 20 Gainsboro Ln Get Price Alerts and Save Property

Date
Details
Price
Change
Source
5/13/2026
Listed
$888,000
22.48%
MLS
12/03/2024
Sold
$725,000
—
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 20 Gainsboro Ln

Year
Property Taxes
Change
Tax Assessment
Change
2025
$13,146
235%
$488
-6%
2024
$3,926
-69%
$519
-4%
2023
$12,501
6%
$539
—
2022
$11,819
2%
$540
-2%
2021
$11,576
2%
$550
-23%
2020
$11,337
-1%
$715
-12%
2018
$11,425
-18%
$817
-19%
2016
$13,932
23%
$1,008
32%
2019
$11,337
-13%
$766
-24%
2016
$13,082
10%
$1,008
—
2014
$11,939
—
$1,008
—
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 20 Gainsboro Ln

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

Listed by Douglas Elliman Real Estate

20 Gainsboro Lane, Syosset, NY 11791 (MLS# 998875) is a Single Family property with 3 bedrooms, 1 full bathroom and 1 partial bathroom. 20 Gainsboro Lane is currently listed for $888,000 and was received on May 13, 2026. Want to learn more about 20 Gainsboro Lane? Do you have questions about finding other Single Family real estate for sale in Syosset? You can browse all Syosset real estate or contact a Coldwell Banker agent to request more information.

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