Google street view image for 343 Commack Rd, Islip, NY 11751

Off market feb 2003 for $340K

$816,967

Est. refi paymentEst. refi $753/mo

—

•

— ba

•

2,500

sq ft

343 Commack Rd, Islip, NY 11751

About this home

343 Commack Rd is a 2,500 square foot house on a 0.48 acre lot. - it last sold on February 20, 2003 for $340,000. Based on Redfin's Islip data, we estimate the home's value is $816,967.

Single-familyProperty Type

2002Year Built

0.48 acresLot Size

$327Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$816,967

$477K since sold in February 2003$8,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 3.7% higher than the average sale price ($788K) of 6 comparable homes.

SOLD JUL 23, 2026
$635,000
A
3 beds2 baths932 sq ft
6 45th St, Islip, NY 11751
Listing by James A Netter Real Estate Inc
SOLD SEP 18, 2026
$815,000
B
4 beds3 baths3,300 sq ft
269 Brookville Ave, Islip, NY 11751
Listing by Signature Premier Properties
SOLD AUG 27, 2026
$760,000
C
4 beds2.5 baths2,241 sq ft
73 Danbury St, Bay Shore, NY 11706
Listing by Signature Premier Properties
SOLD APR 8, 2026
$801,900
D
4 beds2.5 baths2,863 sq ft
3 Crystal Brook Ct, Islip, NY 11751
Listing by Jones Hollow Realty Group Inc
SOLD AUG 17, 2026
$900,000
E
5 beds2.5 baths2,132 sq ft
52 41st St, Islip, NY 11751
Listing by Coldwell Banker Easton Prop
SOLD AUG 14, 2026
$815,000
F
4 beds3.5 baths2,420 sq ft
217 Audwin Dr, Islip Terrace, NY 11752
Listing by Cortes Corp

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Earn from this home

Sell

$680,988

Est. take-home

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Est. cash available

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Market trends in 11751, NY

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

103.5%

0.3% MoM

Median sale price

$635K

$7K MoM

Avg. days on market

25d

1 days MoM

Recently sold homes

1 MoM

New listings for sale

$945,000
3 beds3 baths1,964 sq ft
10 Grace Ct, Islip, NY 11751
Listing by Douglas Elliman Real Estate
$699,990
3 beds1.5 baths1,236 sq ft
86 Union Ave, Islip, NY 11751
Listing by Michael J Watts & Assoc Inc
$699,000
4 beds2 baths2,060 sq ft
27 Rose St, Islip, NY 11751
Listing by Howard Hanna Coach
See all

Provided by Redfin

Sale history for 343 Commack Rd

Year

Property tax

Land + Additions

Assessment*

2026

$15,523

$9,400 + $37,200

$46,600

2025

$15,523 (+2.5%)

$9,400 + $37,200

$46,600

2024

$15,149 (+11.6%)

$9,400 + $37,200

$46,600

2021

$13,574

$9,400 + $37,200

$46,600

2020

$13,574 (+2.9%)

$9,400 + $37,200

$46,600

2019

$13,185 (+3.5%)

$9,400 + $37,200

$46,600

2018

$12,736 (+0.7%)

$9,400 + $37,200

$46,600

2017

$12,651 (+0.1%)

$9,400 + $37,200

$46,600

2016

$12,634 (+1.7%)

$9,400 + $37,200

$46,600

2015

$12,417 (+2.5%)

$9,400 + $37,200

$46,600

2014

$12,112 (+3.9%)

$9,400 + $37,200

$46,600

2013

$11,659 (+3.9%)

$9,400 + $37,200

$46,600

2012

$11,217 (+4.5%)

$9,400 + $37,200

$46,600

2011

$10,738 (−3.0%)

$9,400 + $37,200

$46,600

2010

$11,067 (+4.3%)

$9,400 + $39,300

$48,700

2009

$10,610

$9,400 + $39,300

$48,700

Tax history for 343 Commack Rd

Year

Property tax

Land + Additions

Assessment*

2026

$15,523

$9,400 + $37,200

$46,600

2025

$15,523 (+2.5%)

$9,400 + $37,200

$46,600

2024

$15,149 (+11.6%)

$9,400 + $37,200

$46,600

2021

$13,574

$9,400 + $37,200

$46,600

2020

$13,574 (+2.9%)

$9,400 + $37,200

$46,600

2019

$13,185 (+3.5%)

$9,400 + $37,200

$46,600

2018

$12,736 (+0.7%)

$9,400 + $37,200

$46,600

2017

$12,651 (+0.1%)

$9,400 + $37,200

$46,600

2016

$12,634 (+1.7%)

$9,400 + $37,200

$46,600

2015

$12,417 (+2.5%)

$9,400 + $37,200

$46,600

2014

$12,112 (+3.9%)

$9,400 + $37,200

$46,600

2013

$11,659 (+3.9%)

$9,400 + $37,200

$46,600

2012

$11,217 (+4.5%)

$9,400 + $37,200

$46,600

2011

$10,738 (−3.0%)

$9,400 + $37,200

$46,600

2010

$11,067 (+4.3%)

$9,400 + $39,300

$48,700

2009

$10,610

$9,400 + $39,300

$48,700

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

Property details

Exterior

Property Information
Living Sq. Ft: 2,500
Ground Floor Sq. Ft: 1,250
Building Sq. Ft: 2,500

Lot Information
# of Buildings: 1
Land Sq. Ft: 20,909
Legal Lot Number: 79
Legal Block Number: 0001
Municipality Name: ISLIP
Acres: 0.48
Front Footage: 71
Zoning Code: A
State Use Description: SINGLE FAMILY RESID

Financial

Assessor Information
Assessment Year: 2025

Public facts

Beds: —
Baths: —
Sq. Ft.: 2,500
Stories: —
Lot Size: 0.48 acres
Style: Single Family Residential
Year Built: 2002
Year Renovated: —
County: Suffolk County
APN: 4728890500294000100079002

Home facts updated by county records on Aug 31, 2026

Around this home

Schools

Commack Road Elementary School

Public 2-5 • Assigned • 0.1mi

4/10

Islip Middle School

Public 6-8 • Assigned • 1.2mi

5/10

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

5/10 Heat Factor

7 days above 93° expected this year, 16 days in 30 years

6/10 Wind Factor

65% 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

Islip, NY • 11751

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

$777,000 – $940,000

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Nearby similar homes

$499,900

4 beds2 baths1,575 sq ft

209 Moffitt Blvd, Islip, NY 11751

Listing by Island Advantage Realty LLC

$699,000

4 beds3.5 baths2,270 sq ft

438 Mayflower Ave, Brentwood, NY 11717

Listing by Millennium Homes

$629,999

3 beds1 bath936 sq ft

96 Washington Ave, Islip Terrace, NY 11752

Listing by Charles Rutenberg Realty Inc

$739,000

4 beds2.5 baths1,884 sq ft

2 Taft Ave, Islip, NY 11751

Listing by ARVY Realty

$829,999

5 beds2.5 baths2,258 sq ft

24 William Ave, Islip, NY 11751

Listing by Netter Real Estate Inc

$600,000

3 beds1 bath1,200 sq ft

85 Stellenwerf Ave, Islip Terrace, NY 11752

Listing by H & G Realty New York

New listings for sale in 11751

$945,000

3 beds3 baths1,964 sq ft

10 Grace Ct, Islip, NY 11751

Listing by Douglas Elliman Real Estate

$699,990

3 beds1.5 baths1,236 sq ft

86 Union Ave, Islip, NY 11751

Listing by Michael J Watts & Assoc Inc

$699,000

4 beds2 baths2,060 sq ft

27 Rose St, Islip, NY 11751

Listing by Howard Hanna Coach

Home values near 343 Commack Rd

Data from public records.

Address	Redfin Estimate
339 Commack Road, Islip, NY - Beds \| - Baths \| 1362 Sq. Ft.	$617,438
20 Columbine Avenue, Islip, NY - Beds \| - Baths \| 1146 Sq. Ft.	$696,596

Address	Redfin Estimate
371 Commack Road, Islip, NY - Beds \| - Baths \| 1663 Sq. Ft.	$646,812
6 Richmond Street, Islip, NY - Beds \| - Baths \| 1968 Sq. Ft.	$657,833

Address	Redfin Estimate
325 Commack Road, Islip, NY - Beds \| - Baths \| 1671 Sq. Ft.	$669,311
8 Richmond Street, Islip, NY 4 Beds \| 2 Baths \| 1400 Sq. Ft.	$688,287

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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 11751, NY

Sale history for 343 Commack Rd

Tax history for 343 Commack Rd

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 11751

Home values near 343 Commack Rd

More real estate resources