Google street view image for 441 Ralph Ave, Central Islip, NY 11722

Off market aug 1996 for $136K

$705,429

Est. refi paymentEst. refi $1,120/mo

—

•

— ba

•

2,150

sq ft

441 Ralph Ave, Central Islip, NY 11722

About this home

441 Ralph Ave is a 2,150 square foot house on a 0.45 acre lot. - it last sold on August 26, 1996 for $136,500. Based on Redfin's Central Islip data, we estimate the home's value is $705,429.

Single-familyProperty Type

1970Year Built

0.45 acresLot Size

$328Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$705,429

$569K since sold in August 1996$2,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 14.5% higher than the average sale price ($616K) of 6 comparable homes.

SOLD AUG 18, 2026
$770,000
A
7 beds4.5 baths1,937 sq ft
55 Prospect Ave, Brentwood, NY 11717
Listing by Real Broker NY LLC
SOLD JUN 4, 2026
$620,000
B
4 beds2 baths1,750 sq ft
120 Evergreen Ave, Brentwood, NY 11717
Listing by ARVY Realty
SOLD JUN 5, 2026
$610,000
C
4 beds1 bath1,880 sq ft
452 Nostrand Ave, Central Islip, NY 11722
Listing by Signature Premier Properties
SOLD AUG 27, 2026
$730,000
D
3 beds2 baths1,865 sq ft
22 Stephens Ct, Hauppauge, NY 11788
Listing by Signature Premier Properties
SOLD SEP 3, 2026
$578,000
E
5 beds2 baths1,900 sq ft
147 Branch Ave, Central Islip, NY 11722
Listing by Century 21 Icon
SOLD MAR 30, 2026
$387,840
F
3 beds1 bath2,312 sq ft
44 Lexington Ave, Brentwood, NY 11717
Listing by Michael J Maloney

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Earn from this home

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$662,853

Est. take-home

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Est. cash available

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Market trends in 11722, NY

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

104.0%

+0.3% MoM

Median sale price

$551K

$17K MoM

Avg. days on market

32d

3 days MoM

Recently sold homes

5 MoM

New listings for sale

$699,999
4 beds2.5 baths1,486 sq ft
180 Branch Ave, Central Islip, NY 11722
Listing by ARVY Realty
$629,900
5 beds2 baths1,578 sq ft
103 Gates Ave, Central Islip, NY 11722
Listing by ARVY Realty
$555,000
3 beds2.5 baths1,342 sq ft
25 3rd Ave, Central Islip, NY 11722
Listing by Exit Realty Achieve
$580,000
6 beds3 baths2,226 sq ft
270 Elmore St, Central Islip, NY 11722
Listing by ARVY Realty
$275,000
1 bed1 bath745 sq ft
61 Adams Unit 2A, Central Islip, NY 11722
Listing by BH&G R E Realty Connect
$699,999
3 beds2 baths1,500 sq ft
39 Elm St, Central Islip, NY 11722
Listing by Property Professionals Realty
$350,000
3 beds1 bath1,025 sq ft
57 Adams Rd Unit 2D, Central Islip, NY 11722
Listing by ERealty Advisors Inc
$570,000
4 beds2 baths1,569 sq ft
10 Brightside Ave, Central Islip, NY 11722
Listing by Signature Premier Properties
See all

Provided by Redfin

Sale history for 441 Ralph Ave

Year

Property tax

Land + Additions

Assessment*

2017

$10,695 (+0.8%)

$9,400 + $31,100

$40,500

2016

$10,612 (+0.9%)

$9,400 + $31,100

$40,500

2015

$10,517 (+1.1%)

$9,400 + $31,100

$40,500

2014

$10,401 (+1.3%)

$9,400 + $31,100

$40,500

2013

$10,265 (+3.6%)

$9,400 + $31,100

$40,500

2012

$9,904 (+3.8%)

$9,400 + $31,100

$40,500

2011

$9,546 (+3.1%)

$9,400 + $31,100

$40,500

2010

$9,255 (+5.3%)

$9,400 + $31,100

$40,500

2009

$8,786

$9,400 + $31,100

$40,500

Tax history for 441 Ralph Ave

Year

Property tax

Land + Additions

Assessment*

2017

$10,695 (+0.8%)

$9,400 + $31,100

$40,500

2016

$10,612 (+0.9%)

$9,400 + $31,100

$40,500

2015

$10,517 (+1.1%)

$9,400 + $31,100

$40,500

2014

$10,401 (+1.3%)

$9,400 + $31,100

$40,500

2013

$10,265 (+3.6%)

$9,400 + $31,100

$40,500

2012

$9,904 (+3.8%)

$9,400 + $31,100

$40,500

2011

$9,546 (+3.1%)

$9,400 + $31,100

$40,500

2010

$9,255 (+5.3%)

$9,400 + $31,100

$40,500

2009

$8,786

$9,400 + $31,100

$40,500

*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: 2,150
Ground Floor Sq. Ft: 2,150
Building Sq. Ft: 3,235

Lot Information
# of Buildings: 1
Land Sq. Ft: 19,602
Legal Lot Number: 18
Legal Block Number: 0002
Municipality Name: ISLIP
Acres: 0.45
Depth Footage: 200
Front Footage: 100
Zoning Code: AA
State Use Description: SINGLE FAMILY RESID

Financial

Assessor Information
Assessment Year: 2025

Public facts

Beds: —
Baths: —
Sq. Ft.: 2,150
Stories: —
Lot Size: 0.45 acres
Style: Single Family Residential
Year Built: 1970
Year Renovated: —
County: Suffolk County
APN: 4728890500096000200018000

Home facts updated by county records on Aug 31, 2026

Around this home

Schools

Anthony Alfano Elementary School

Public PreK-6 • Assigned • 0.9mi

4/10

Ralph Reed School

Public 7-8 • Assigned • 1.6mi

2/10

Central Islip Senior High School

Public 9-12 • Assigned • 0.9mi

3/10

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 95° expected this year, 16 days in 30 years

6/10 Wind Factor

77% 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

Central Islip, NY • 11722

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

$671,000 – $812,000

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Nearby similar homes

$850,000

10 beds4 baths3,368 sq ft

2 Date St, Central Islip, NY 11722

Listing by Signature Premier Properties

$644,000

5 beds2 baths1,700 sq ft

5 Campion St, Brentwood, NY 11717

Listing by Maya Real Estate

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4 beds2.5 baths1,486 sq ft

180 Branch Ave, Central Islip, NY 11722

Listing by ARVY Realty

$629,900

5 beds2 baths1,578 sq ft

103 Gates Ave, Central Islip, NY 11722

Listing by ARVY Realty

$599,000

3 beds1.5 baths1,377 sq ft

206 Alkier St, Brentwood, NY 11717

Listing by Compass Greater NY LLC

$1,144,000

6 beds7 baths4,431 sq ft

8 Ralph Ave, Brentwood, NY 11717

Listing by Vantage Realty Partners

New listings for sale in 11722

$699,999

4 beds2.5 baths1,486 sq ft

180 Branch Ave, Central Islip, NY 11722

Listing by ARVY Realty

$629,900

5 beds2 baths1,578 sq ft

103 Gates Ave, Central Islip, NY 11722

Listing by ARVY Realty

$555,000

3 beds2.5 baths1,342 sq ft

25 3rd Ave, Central Islip, NY 11722

Listing by Exit Realty Achieve

$580,000

6 beds3 baths2,226 sq ft

270 Elmore St, Central Islip, NY 11722

Listing by ARVY Realty

$275,000

1 bed1 bath745 sq ft

61 Adams Unit 2A, Central Islip, NY 11722

Listing by BH&G R E Realty Connect

$699,999

3 beds2 baths1,500 sq ft

39 Elm St, Central Islip, NY 11722

Listing by Property Professionals Realty

$350,000

3 beds1 bath1,025 sq ft

57 Adams Rd Unit 2D, Central Islip, NY 11722

Listing by ERealty Advisors Inc

$570,000

4 beds2 baths1,569 sq ft

10 Brightside Ave, Central Islip, NY 11722

Listing by Signature Premier Properties

Home values near 441 Ralph Ave

Data from public records.

Address	Redfin Estimate
445 Ralph Avenue, Central Islip, NY - Beds \| - Baths \| 1122 Sq. Ft.	$528,621
62 Ralph Avenue, Brentwood, NY - Beds \| - Baths \| 2501 Sq. Ft.	$669,903

Address	Redfin Estimate
448 Ralph Avenue, Central Islip, NY - Beds \| - Baths \| 1440 Sq. Ft.	$592,605
440 Ralph Avenue, Central Islip, NY 3 Beds \| 1 Baths \| - Sq. Ft.	$599,853

Address	Redfin Estimate
452 Ralph Avenue, Central Islip, NY - Beds \| - Baths \| 1144 Sq. Ft.	—
57 Ralph Avenue, Brentwood, NY - Beds \| - Baths \| 2763 Sq. Ft.	$550,321

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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 11722, NY

Sale history for 441 Ralph Ave

Tax history for 441 Ralph Ave

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 11722

Home values near 441 Ralph Ave

More real estate resources