Off market sep 2019 for $500K

$908,269

Est. refi paymentEst. refi $3,892/mo

•

—

sq ft

20 Harding St, Smithtown, NY 11787

About this home

$30,000.00 off of Original Price!!! Beautiful 4 Bedroom, 2.5 Bath C.H Colonial set on a private, flat property within the desirable Smithtown School District. This home boasts many updates, including, EIK, with 1 year old appliances, newer roof, heating system, Anderson Windows, and More! Plenty of Storage, conveniently located on a quiet, residential street within minutes of shopping and travel, Additional information: Appearance:Mint +,Separate Hotwater Heater:N

Single-familyProperty Type

1974Year Built

10,019 sq ftLot Size

Listing by Thomas Santisi • Douglas Elliman Real Estate

Bought with Thomas Santisi • Douglas Elliman Real Estate

Redfin checked: 3 minutes ago

•Source:OneKey® MLS as Distributed by MLS Grid #L3125726

Redfin Estimate

$908,269

$408K since sold in September 2019$62K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 0.7% higher than the average sale price ($902K) of 5 comparable homes.

SOLD SEP 3, 2026
$799,000
A
4 beds2.5 baths2,183 sq ft
9 Quincy Ln, Smithtown, NY 11787
Listing by Coldwell Banker American Homes
SOLD AUG 26, 2026
$870,000
B
4 beds2.5 baths2,100 sq ft
4 Quincy Ln, Smithtown, NY 11787
Listing by Cornerstone R E Services LLC
SOLD SEP 30, 2026
$1,200,000
C
4 beds2.5 baths2,558 sq ft
140 Wedgewood Dr, Hauppauge, NY 11788
Listing by Charles Rutenberg Realty Inc
SOLD JUN 24, 2026
$791,000
D
4 beds2.5 baths2,041 sq ft
9 Chester St, Smithtown, NY 11787
Listing by Cornerstone Properties of LI
SOLD AUG 17, 2026
$850,000
E
4 beds2.5 baths2,471 sq ft
151 Wedgewood Dr, Hauppauge, NY 11788
Listing by RE/MAX Integrity Leaders

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Earn from this home

Sell

$512,050

Est. take-home

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Refinance

Est. cash available

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Rent

$4,054/mo

Redfin rental estimate

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Market trends in 11787, NY

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

104.3%

0.7% MoM

Median sale price

$881K

$7K MoM

Avg. days on market

23d

1 days MoM

Recently sold homes

119

27 MoM

New listings for sale

NEW 1 HR AGO
$725,000
3 beds2 baths1,317 sq ft
177 Evergreen Ave, Smithtown, NY 11787
Listing by Daniel Gale Sothebys Intl Rlty
COMING SOON
$1,999,999
4 beds2.5 baths2,727 sq ft
4 Magnolia Ln, Smithtown, NY 11787
Listing by Coldwell Banker American Homes
$2,599,000
6 beds6.5 baths3,946 sq ft
2 Riverview Ter, Smithtown, NY 11787
Listing by Signature Premier Properties
COMING SOON
$799,999
4 beds2 baths1,975 sq ft
67 Morewood Dr, Smithtown, NY 11787
Listing by Compass Greater NY LLC
OPEN SUN, 12PM TO 2PM
$760,000
3 beds4 baths1,474 sq ft
97 Ledgewood Dr, Smithtown, NY 11787
Listing by Long Island Homes & Horse Prop
$749,999
3 beds2 baths1,600 sq ft
22 Alice Ln, Smithtown, NY 11787
Listing by Douglas Elliman Real Estate
$749,999
3 beds2.5 baths1,650 sq ft
153 Juniper Ave, Smithtown, NY 11787
Listing by Coldwell Banker American Homes
$899,000
3 beds2 baths1,600 sq ft
7 Talbot Ln, Smithtown, NY 11787
Listing by Century 21 Princeton Prop
$649,000
4 beds2 baths1,578 sq ft
44 Elizabeth Ave, Smithtown, NY 11787
Listing by Realty Direct NY INC
3D WALKTHROUGH
$585,000
2 beds2 baths1,300 sq ft
37 Florence Ave, Smithtown, NY 11787
Listing by OverSouth LLC
See all

Provided by Redfin

Sale history for 20 Harding St

Year

Property tax

Land + Additions

Assessment*

2026

$15,263

$300 + $5,187

$5,487

2025

$15,263 (+4.1%)

$300 + $5,187

$5,487

2024

$14,655 (+2.5%)

$300 + $5,187

$5,487

2023

$14,292 (+2.9%)

$300 + $5,187

$5,487

2022

$13,893

$300 + $5,187

$5,487

2021

$13,893 (+1.7%)

$300 + $5,187

$5,487

2020

$13,667 (+8.5%)

$300 + $5,187

$5,487

2019

$12,601 (+72.2%)

$300 + $5,187

$5,487

2018

$7,319 (−37.3%)

$300 + $5,187

$5,487

2017

$11,674 (+1.1%)

$300 + $5,187

$5,487

2016

$11,542 (+3.2%)

$300 + $5,187

$5,487

2015

$11,186 (+2.5%)

$300 + $5,187

$5,487

2014

$10,918 (+3.8%)

$300 + $5,187

$5,487

2013

$10,517 (+2.1%)

$300 + $5,187

$5,487

2012

$10,300 (+5.5%)

$300 + $5,187

$5,487

2011

$9,766 (−10.8%)

$300 + $5,187

$5,487

2010

$10,954 (+0.4%)

$300 + $5,955

$6,255

2009

$10,911

$300 + $5,955

$6,255

Tax history for 20 Harding St

Year

Property tax

Land + Additions

Assessment*

2026

$15,263

$300 + $5,187

$5,487

2025

$15,263 (+4.1%)

$300 + $5,187

$5,487

2024

$14,655 (+2.5%)

$300 + $5,187

$5,487

2023

$14,292 (+2.9%)

$300 + $5,187

$5,487

2022

$13,893

$300 + $5,187

$5,487

2021

$13,893 (+1.7%)

$300 + $5,187

$5,487

2020

$13,667 (+8.5%)

$300 + $5,187

$5,487

2019

$12,601 (+72.2%)

$300 + $5,187

$5,487

2018

$7,319 (−37.3%)

$300 + $5,187

$5,487

2017

$11,674 (+1.1%)

$300 + $5,187

$5,487

2016

$11,542 (+3.2%)

$300 + $5,187

$5,487

2015

$11,186 (+2.5%)

$300 + $5,187

$5,487

2014

$10,918 (+3.8%)

$300 + $5,187

$5,487

2013

$10,517 (+2.1%)

$300 + $5,187

$5,487

2012

$10,300 (+5.5%)

$300 + $5,187

$5,487

2011

$9,766 (−10.8%)

$300 + $5,187

$5,487

2010

$10,954 (+0.4%)

$300 + $5,955

$6,255

2009

$10,911

$300 + $5,955

$6,255

*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

10,019 Sq. Ft.

Year renovated

—

Sq. Ft.

—

Year built

—

Style

Single Family Residential

County

Suffolk County

APN

0800163000200071000

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Aug 31, 2026.

Property details

Parking

Parking Information
Parking Features: Attached, Private

Interior

Virtual Tour Information

Heating & Cooling
Cooling: Central Air
Heating: Hot Water, Oil

Interior Features
Interior Features: Eat-in Kitchen,Formal Dining
Appliances: Dishwasher, Dryer, Refrigerator, Washer
Flooring: Carpet

Room Information
Basement YN: No
Attic: See Remarks
Rooms Total: 8
Basement: Partial, Unfinished
Additional Rooms: Library/Den

Bathroom Information
Bathrooms Full: 2
Bathrooms Half: 1

Exterior

Exterior Features
Construction Materials: Vinyl Siding

Property Information
Property Sub Type: Single Family Residence

Financial

Tax Information
Tax Section: 16300
Tax Annual Amount: $13,242.60

Financial Information
Buyer Financing: Other

Location

School Information
School District Number: 1
High School District: Smithtown

Location Information
Directions: Rte. 347 East, right on Terry Rd., Left on Washington Ave., Right on Harding to # 20.
County Or Parish: Suffolk County

Public facts

Beds: —
Baths: —
Sq. Ft.: —
Stories: —
Lot Size: 10,019 square feet
Style: Single Family Residential
Year Built: —
Year Renovated: —
County: Suffolk County
APN: 0800163000200071000

Home facts updated by county records on Aug 31, 2026

Around this home

Schools

Mount Pleasant Elementary School

Public K-5 • Assigned • 1.3mi

8/10

Great Hollow Middle School

Public 6-8 • Assigned • 1.0mi

6/10

Smithtown High School West

Public 9-12 • Assigned • 4.7mi

10/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

10/10 Flood Factor

Estimated 80%+ chance 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

5/10 Heat Factor

7 days above 95° expected this year, 16 days in 30 years

8/10 Wind Factor

80% chance of strong winds in next 30 years

4/10 Air Factor

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

Provided by First Street

Historical weather

Smithtown, NY • 11787

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 8.8 hours in June and 4.5 hours in December, which is comparable to the U.S. average for solar exposure.

8.8 hrs

4.5 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$863,000 – $1.05M

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Nearby similar homes

NEW 1 HR AGO

$725,000

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Skylights • Wood ceiling • Laundry closet

Listing by Daniel Gale Sothebys Intl Rlty

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Listing by 365 Realty Group Inc

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Listing by Coldwell Banker American Homes

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Listing by Realty Direct NY INC

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0.53 acre lot • Listed 13 days

Listing by Coldwell Banker American Homes

New listings for sale in 11787

NEW 1 HR AGO

$725,000

3 beds2 baths1,317 sq ft

177 Evergreen Ave, Smithtown, NY 11787

Skylights • Wood ceiling • Laundry closet

Listing by Daniel Gale Sothebys Intl Rlty

COMING SOON

$1,999,999

4 beds2.5 baths2,727 sq ft

4 Magnolia Ln, Smithtown, NY 11787

Built-in wet bar • 0.5 acre lot • 2 garage spots

Listing by Coldwell Banker American Homes

$2,599,000

6 beds6.5 baths3,946 sq ft

2 Riverview Ter, Smithtown, NY 11787

Brick patios • Two fireplaces • 1.09 acre lot

Listing by Signature Premier Properties

COMING SOON

$799,999

4 beds2 baths1,975 sq ft

67 Morewood Dr, Smithtown, NY 11787

Updated hi-ranch • Spacious front lawn • Long driveway

Listing by Compass Greater NY LLC

OPEN SUN, 12PM TO 2PM

$760,000

3 beds4 baths1,474 sq ft

97 Ledgewood Dr, Smithtown, NY 11787

Ranch style living • Custom moldings • Wood trim

Listing by Long Island Homes & Horse Prop

$749,999

3 beds2 baths1,600 sq ft

22 Alice Ln, Smithtown, NY 11787

Extended ranch home • Fin basement • Primary bath

Listing by Douglas Elliman Real Estate

$749,999

3 beds2.5 baths1,650 sq ft

153 Juniper Ave, Smithtown, NY 11787

Mature landscaping • Oversized driveway • Inviting front porch

Listing by Coldwell Banker American Homes

$899,000

3 beds2 baths1,600 sq ft

7 Talbot Ln, Smithtown, NY 11787

Hardwood floors • Central air • Skylights

Listing by Century 21 Princeton Prop

$649,000

4 beds2 baths1,578 sq ft

44 Elizabeth Ave, Smithtown, NY 11787

Expanded cape • Upstairs bonus room • Full basement

Listing by Realty Direct NY INC

Home values near 20 Harding St

Data from public records.

Address	Redfin Estimate
26 Harding St, Smithtown, NY 4 Beds \| 2.5 Baths \| - Sq. Ft.	$932,916
16 Harding St, Smithtown, NY 4 Beds \| 2.5 Baths \| 2041 Sq. Ft.	$1,099,726

Address	Redfin Estimate
11 Harding St, Smithtown, NY 4 Beds \| 2.5 Baths \| 2073 Sq. Ft.	$782,844
15 Harding St, Smithtown, NY 4 Beds \| 2.5 Baths \| 2317 Sq. Ft.	$873,940

Address	Redfin Estimate
27 Harding St, Smithtown, NY 3 Beds \| 2.5 Baths \| 2200 Sq. Ft.	$813,524
19 Harding St, Smithtown, NY 4 Beds \| 2.5 Baths \| 2041 Sq. Ft.	$810,741

Property information provided by OneKey® MLS as Distributed by MLS Grid when last listed in 2019. This data may not match . Learn more.

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in 11787, NY

Sale history for 20 Harding St

Tax history for 20 Harding St

Public record

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 11787

Home values near 20 Harding St

More real estate resources