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.
Sold for $725,000
$725,000
20 Gainsboro Ln, Syosset, NY 11791
3beds
1,074sqft
Single Family Residence
Built in 1954
6,969.6 Square Feet Lot
$902,400 Zestimate®
$675/sqft
$4,411 Estimated rent
Home value
$902,400
$857,000 - $948,000
$4,411/mo
Zestimate® history
Owner options
List your home for rent
$4,411/mo
Rent Zestimate®
Find your next renter with Zillow Rental Manager. Plus, with online applications, you can quickly screen prospective tenants – for free.
$4,411/mo
Rent Zestimate®
Refinance and save
$4,777/mo
Est. payment
Refinancing to a lower rate could help reduce your monthly payments and save thousands over the life of the loan.
$4,777/mo
Est. payment
Explore your selling options
Work with a Zillow partner agent
Leverage their expertise and Zillow's premium Showcase listings to get your home seen by more buyers.
Get startedList with your own agent
Get your home in front of millions of buyers by listing it on Zillow.
Learn how to do itSell it yourself
Take full control of how buyers see your home on Zillow by listing For Sale by Owner (FSBO).
List your homeWhat's special
Central airDining room
Zillow last checked:
Source: Douglas Elliman,MLS#: 998875
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 3
- Bathrooms: 2
- Full bathrooms: 1
- 1/2 bathrooms: 1
Features
- Has basement: No
Interior area
- Total structure area: 1,074
- Total interior livable area: 1,074 sqft
Property
Parking
- Total spaces: 2
Lot
- Size: 6,969 sqft
Details
- Parcel number: 12400000009
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Other
- Property subtype: Single Family Residence
Condition
- Year built: 1954
Community & neighborhood
Location
- Region: Syosset
- Subdivision: Syosset
Price history
| Date | Event | Price |
|---|---|---|
| 7/6/2026 | Listing removed | $4,500$4/sqft |
Source: OneKey® MLS as distributed by MLS GRID #1014404 Report a problem | ||
| 6/18/2026 | Listing removed | $888,000$827/sqft |
Source:  Douglas Elliman #998875 Report a problem | ||
| 6/16/2026 | Listed for rent | $4,500+3.4%$4/sqft |
Source: OneKey® MLS as distributed by MLS GRID #1014404 Report a problem | ||
| 5/13/2026 | Listed for sale | $888,000+22.5%$827/sqft |
Source:  OneKey® MLS as distributed by MLS GRID #998875 Report a problem | ||
| 7/1/2025 | Listing removed | $4,350$4/sqft |
Source: Douglas Elliman Report a problem | ||
| 6/2/2025 | Price change | $4,350-7.1%$4/sqft |
Source: Douglas Elliman Report a problem | ||
| 5/6/2025 | Price change | $4,680-4.5%$4/sqft |
Source: Douglas Elliman Report a problem | ||
| 3/30/2025 | Price change | $4,900-6.7%$5/sqft |
Source: Douglas Elliman Report a problem | ||
| 1/3/2025 | Listed for rent | $5,250$5/sqft |
Source: Douglas Elliman Report a problem | ||
| 1/2/2025 | Sold | $725,000$675/sqft |
Source: Public Record Report a problem | ||
| 12/10/2024 | Listing removed | $5,250$5/sqft |
Source: Douglas Elliman Report a problem | ||
| 12/4/2024 | Listed for rent | $5,250$5/sqft |
Source: Douglas Elliman Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2024 | -- | $488 -6% |
| 2023 | -- | $519 -3.7% |
| 2022 | -- | $539 |
| 2021 | $11,576 +2.1% | -- |
| 2020 | $11,337 -2.1% | $715 -6.7% |
| 2019 | $11,582 | $766 -6.2% |
| 2018 | $11,582 -16.9% | $817 -18.9% |
| 2017 | $13,932 +6.5% | $1,008 |
| 2016 | $13,082 +222.9% | $1,008 |
| 2015 | $4,051 +9.9% | $1,008 |
| 2013 | $3,688 +7.9% | $1,008 |
| 2012 | $3,417 -48.3% | $1,008 -1.3% |
| 2011 | $6,612 +0.7% | $1,021 -3.9% |
| 2010 | $6,565 | $1,062 -15.9% |
| 2009 | -- | $1,263 -7.9% |
| 2008 | -- | $1,371 +6% |
| 2006 | -- | $1,294 -36.8% |
| 2005 | -- | $2,049 -37.1% |
| 2004 | -- | $3,256 -3.4% |
| 2003 | -- | $3,369 -39.3% |
| 2002 | -- | $5,550 |
| 2001 | -- | $5,550 |
| 2000 | -- | $5,550 |
Find assessor info on the county website
Neighborhood: Locust Grove
Nearby schools
GreatSchools rating
- 7/10Baylis Elementary SchoolGrades: K-5Distance: 0.3 mi
- 8/10H B Thompson Middle SchoolGrades: 6-8Distance: 0.6 mi
- 10/10Syosset Senior High SchoolGrades: 9-12Distance: 2.4 mi
Get a cash offer in 3 minutes
Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
Estimated market value
$902,400
Get a cash offer in 3 minutes
Find out how much your home could sell for in as little as 3 minutes with a no-obligation cash offer.
Estimated market value
$902,400
- New York
- Nassau County
- Syosset
- 11791
- Locust Grove
- 20 Gainsboro Ln
Nearby cities
Nearby neighborhoods
Nearby zip codes
Other Syosset Topics
