Google street view image for 20 Deborah Rd, Syosset, NY 11791

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Sold

$1,124,512

Est. refi paymentEst. refi $4,365/mo

—

•

2 ba

•

1,617

sq ft

20 Deborah Rd, Syosset, NY 11791

About this home

Gorgeous Updated Split On Quiet Mid Block Location! Brand New Roof, Hardwood Floors, Newly Renovated Baths, Master Bed With Full Bath, Full Finished Basement, Private Yard With Trex Deck, 2 Car Garage, Approved Architectural Plans For Additional Level, And Of Course Award Winning Syosset Schools!!! Above Taxes Reflect A 21.28% Reduction; Homeowner Just Won A Grievance!, Additional information: Appearance:Mint,Separate Hotwater Heater:Y

Single-familyProperty Type

1955Year Built

6,300 sq ftLot Size

$695Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$1,124,512

$485K since sold in October 2015$2,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 2.5% lower than the average sale price ($1.15M) of 6 comparable homes.

SOLD SEP 28, 2026
$1,320,000
A
3 beds2 baths1,803 sq ft
33 Birchwood Park Dr, Syosset, NY 11791
Listing by Douglas Elliman Real Estate
SOLD JUL 17, 2026
$1,290,000
B
3 beds2 baths1,634 sq ft
19 Birchwood Park Dr, Syosset, NY 11791
Listing by Chase Global Realty Corp
SOLD JUL 21, 2026
$999,000
C
3 beds2 baths2,086 sq ft
58 Circle Dr, Syosset, NY 11791
Listing by Homes By Mara
SOLD JUL 23, 2026
$1,250,000
D
3 beds2 baths1,671 sq ft
5 Joseph Ct, Syosset, NY 11791
Listing by E Realty International Corp
SOLD SEP 9, 2026
$860,000
E
3 beds2 baths1,121 sq ft
53 Birchwood Park Dr, Syosset, NY 11791
Listing by Welhome Realty Inc
SOLD JUL 15, 2026
$1,200,000
F
3 beds2 baths1,789 sq ft
16 Hillvale Rd, Syosset, NY 11791
Listing by Integrity Core Realty

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Earn from this home

Sell

$1,057,880

Est. take-home

List your home with Redfin and save $11,245

Refinance

Est. cash available

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Rent

$4,990/mo

Redfin rental estimate

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Market trends in 11791, NY

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

99.8%

1.4% MoM

Median sale price

$1.3M

$17K MoM

Avg. days on market

24d

3 days MoM

Recently sold homes

21 MoM

New listings for sale

NEW 27 HRS AGO
$1,998,000
4 beds3.5 baths2,937 sq ft
4 Corin Ct, Syosset, NY 11791
Listing by Compass Greater NY LLC
OPEN SAT, 12PM TO 2PM
$1,899,999
4 beds4.5 baths3,100 sq ft
29 Melanie Ln, Syosset, NY 11791
Listing by ZI Realty LLC
OPEN FRI, 2PM TO 4PM
$1,699,000
5 beds3.5 baths3,400 sq ft
770 Cedar St, Syosset, NY 11791
Listing by ZI Realty LLC
OPEN THU, 5PM TO 7PM
$1,275,000
3 beds3 baths2,141 sq ft
84 Melanie Ln, Syosset, NY 11791
Listing by Keller Williams Rlty Landmark
OPEN THU, 5:30PM TO 7PM
$1,299,000
5 beds3 baths2,563 sq ft
11 Lincrest St, Syosset, NY 11791
Listing by Compass Greater NY LLC
OPEN SAT, 11AM TO 1PM
$1,388,888
5 beds2.5 baths2,077 sq ft
3 Lesley Dr, Syosset, NY 11791
Listing by Douglas Elliman Real Estate
$1,250,000
6 beds3 baths2,110 sq ft
10 Belmont Cir, Syosset, NY 11791
Listing by Key Impact Realty Group Inc
$3,450,000
5 beds4.5 baths5,000 sq ft
75 Belvedere Dr, Syosset, NY 11791
Listing by Douglas Elliman Real Estate
$1,288,000
4 beds3 baths2,223 sq ft
46 Convent Rd, Syosset, NY 11791
Listing by Royalux Realty LLC
$3,995,000
5 beds6 baths6,214 sq ft
1184 Cove Edge Rd, Oyster Bay Cove, NY 11791
Listing by Daniel Gale Sothebys Intl Rlty
See all

Provided by Redfin

Redfin agents who toured

Well maintained home on mid block location with flat usable yard space. Hardwood floors throughout. Nicely updated kitchen and baths and newly finished basement.
12 years ago• May not reflect the current state of the home
William Ortiz
Redfin Premier agent • Licensed Real Estate Salesperson

Sale history for 20 Deborah Rd

Year

Property tax

Land + Additions

Assessment*

2025

$18,796

$307 + $332

$639

2024

$18,808 (+1.4%)

$307 + $332

$639

2023

$18,556 (+2.9%)

$307 + $332

$639

2022

$18,029 (+5.6%)

$307 + $332

$639

2021

$17,066 (+0.9%)

$320 + $346

$666

2020

$16,912 (−1.3%)

$320 + $346

$666

2019

$17,140 (+7.2%)

$311 + $369

$680

2018

$15,983 (−5.8%)

$827 + $107

$934

2017

$16,969 (+15.6%)

$827 + $190

$1,017

2016

$14,681 (−14.7%)

$827 + $190

$1,017

2015

$17,217 (+7.9%)

$827 + $465

$1,292

2014

$15,957 (+9.3%)

$827 + $465

$1,292

2013

$14,593 (+13.0%)

$827 + $465

$1,292

2012

$12,917 (+5.5%)

$827 + $465

$1,292

2011

$12,243 (+0.5%)

$827 + $465

$1,292

2010

$12,186 (−4.1%)

$827 + $459

$1,286

2009

$12,711

$827 + $666

$1,493

Tax history for 20 Deborah Rd

Year

Property tax

Land + Additions

Assessment*

2025

$18,796

$307 + $332

$639

2024

$18,808 (+1.4%)

$307 + $332

$639

2023

$18,556 (+2.9%)

$307 + $332

$639

2022

$18,029 (+5.6%)

$307 + $332

$639

2021

$17,066 (+0.9%)

$320 + $346

$666

2020

$16,912 (−1.3%)

$320 + $346

$666

2019

$17,140 (+7.2%)

$311 + $369

$680

2018

$15,983 (−5.8%)

$827 + $107

$934

2017

$16,969 (+15.6%)

$827 + $190

$1,017

2016

$14,681 (−14.7%)

$827 + $190

$1,017

2015

$17,217 (+7.9%)

$827 + $465

$1,292

2014

$15,957 (+9.3%)

$827 + $465

$1,292

2013

$14,593 (+13.0%)

$827 + $465

$1,292

2012

$12,917 (+5.5%)

$827 + $465

$1,292

2011

$12,243 (+0.5%)

$827 + $465

$1,292

2010

$12,186 (−4.1%)

$827 + $459

$1,286

2009

$12,711

$827 + $666

$1,493

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Public record

Beds

—

Baths

Stories

Lot width

—

Lot depth

—

Lot size

6,300 Sq. Ft.

Year renovated

—

Sq. Ft.

1,617

Year built

1955

Style

Single Family Residential

County

Nassau County

APN

12421 00280

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Aug 17, 2026.

Property details

Around this home

Schools

Robbins Lane Elementary School

Public K-5 • Assigned • 1.0mi

9/10

H B Thompson Middle School

Public 6-8 • Assigned • 1.5mi

8/10

Syosset Senior High School

Public 9-12 • Assigned • 3.1mi

10/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

6/10 Heat Factor

7 days above 98° expected this year, 16 days in 30 years

6/10 Wind Factor

67% chance of strong winds in next 30 years

4/10 Air Factor

5 unhealthy days expected this year, 7 days in 30 years

Provided by First Street

Historical weather

Syosset, NY • 11791

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 8.7 hours in June and 4.4 hours in December, placing it below the U.S. average for solar exposure.

8.7 hrs

4.4 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$1.07M – $1.29M

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New listings for sale in 11791

NEW 27 HRS AGO

$1,998,000

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4 Corin Ct, Syosset, NY 11791

Listing by Compass Greater NY LLC

OPEN SAT, 12PM TO 2PM

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OPEN THU, 5PM TO 7PM

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3 beds3 baths2,141 sq ft

84 Melanie Ln, Syosset, NY 11791

Listing by Keller Williams Rlty Landmark

OPEN THU, 5:30PM TO 7PM3D WALKTHROUGH

$1,299,000

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11 Lincrest St, Syosset, NY 11791

Listing by Compass Greater NY LLC

OPEN SAT, 11AM TO 1PM

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3 Lesley Dr, Syosset, NY 11791

Listing by Douglas Elliman Real Estate

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6 beds3 baths2,110 sq ft

10 Belmont Cir, Syosset, NY 11791

Listing by Key Impact Realty Group Inc

$3,450,000

5 beds4.5 baths5,000 sq ft

75 Belvedere Dr, Syosset, NY 11791

Listing by Douglas Elliman Real Estate

$1,288,000

4 beds3 baths2,223 sq ft

46 Convent Rd, Syosset, NY 11791

Listing by Royalux Realty LLC

Home values near 20 Deborah Rd

Data from public records.

Address	Redfin Estimate
25 Deborah Rd, Syosset, NY 6 Beds \| 2.5 Baths \| - Sq. Ft.	$1,191,842
27 Deborah Rd, Syosset, NY - Beds \| 2 Baths \| 1634 Sq. Ft.	$991,204

Address	Redfin Estimate
28 Deborah Rd, Syosset, NY - Beds \| 2 Baths \| 1387 Sq. Ft.	$901,535
14 Deborah Rd, Syosset, NY - Beds \| 2.5 Baths \| 2325 Sq. Ft.	$972,643

Address	Redfin Estimate
29 Deborah Rd, Syosset, NY - Beds \| 2 Baths \| 1634 Sq. Ft.	$976,762
22 Deborah Rd, Syosset, NY - Beds \| 2 Baths \| 1617 Sq. Ft.	$1,025,808

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GreatSchools Ratings provided by GreatSchools.org.

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20 Deborah Rd, Syosset, NY 11791

About this home

Redfin Estimate

Earn from this home

Market trends in 11791, NY

Redfin agents who toured

Sale history for 20 Deborah Rd

Tax history for 20 Deborah Rd

Public record

Property details

Public facts

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 11791

Home values near 20 Deborah Rd

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