Google street view image for 23 Hillside Rd, Stony Brook, NY 11790

Off market aug 1991 for $228K

$816,753

Est. refi paymentEst. refi $1,458/mo

—

•

— ba

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1,836

sq ft

23 Hillside Rd, Stony Brook, NY 11790

About this home

23 Hillside Rd is a 1,836 square foot house on a 1.38 acre lot. - it last sold on August 29, 1991 for $228,000. Based on Redfin's Stony Brook data, we estimate the home's value is $816,753.

Single-familyProperty Type

1940Year Built

1.38 acresLot Size

$445Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$816,753

$589K since sold in August 1991$7,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 10.8% lower than the average sale price ($916K) of 6 comparable homes.

SOLD JUL 29, 2026
$1,300,000
A
2 beds2.5 baths1,840 sq ft
31 W Meadow Rd, Setauket, NY 11733
Listing by Daniel Gale Sothebys Intl Rlty
SOLD JUL 16, 2026
$965,000
B
3 beds2.5 baths2,463 sq ft
150 Quaker Path, Setauket, NY 11733
Listing by Howard Hanna Coach
SOLD AUG 13, 2026
$660,000
C
4 beds2 baths1,778 sq ft
119 Christian Ave, Stony Brook, NY 11790
Listing by Keller Williams Realty Elite
SOLD AUG 3, 2026
$790,000
D
3 beds2 baths1,821 sq ft
33 Hillside Rd, Stony Brook, NY 11790
Listing by Daniel Gale Sothebys Intl Rlty
SOLD SEP 8, 2026
$900,000
E
3 beds2.5 baths1,801 sq ft
38 Conscience Cir, Setauket, NY 11733
Listing by Howard Hanna Coach
SOLD MAY 28, 2026
$881,800
F
4 beds3.5 baths2,585 sq ft
8 Old Wood Rd, Stony Brook, NY 11790
Listing by Realty Connect USA L I Inc

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Earn from this home

Sell

$767,787

Est. take-home

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Refinance

Est. cash available

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Market trends in 11790, NY

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

106.9%

+0.5% MoM

Median sale price

$860K

$20K MoM

Avg. days on market

18d

2 days MoM

Recently sold homes

3 MoM

New listings for sale

OPEN SAT, 2PM TO 4PM
$749,999
3 beds2 baths1,850 sq ft
25 Stratton Ln, Stony Brook, NY 11790
Listing by BH&G R E Realty Connect
$799,000
4 beds2.5 baths1,872 sq ft
20 Hastings Dr, Stony Brook, NY 11790
Listing by Howard Hanna Coach
OPEN SAT, 12PM TO 1:30PM
$838,000
3 beds2.5 baths2,191 sq ft
2 Salem Dr, Stony Brook, NY 11790
Listing by BH&G R E Realty Connect
$779,000
3 beds2 baths1,800 sq ft
83 Christian Ave, Stony Brook, NY 11790
Listing by Daniel Gale Sothebys Intl Rlty
See all

Provided by Redfin

Sale history for 23 Hillside Rd

Year

Property tax

Land + Additions

Assessment*

2026

$13,180

$800 + $2,000

$2,800

2025

$13,180 (+3.7%)

$800 + $2,000

$2,800

2024

$12,711 (+6.9%)

$800 + $2,000

$2,800

2023

$11,888 (+3.5%)

$800 + $2,000

$2,800

2022

$11,489

$800 + $2,000

$2,800

2021

$11,489 (+1.0%)

$800 + $2,000

$2,800

2020

$11,380 (+1.8%)

$800 + $2,000

$2,800

2019

$11,184 (+2.8%)

$800 + $2,000

$2,800

2018

$10,876 (+2.0%)

$800 + $2,000

$2,800

2017

$10,658 (+1.5%)

$800 + $2,000

$2,800

2016

$10,502 (+6.9%)

$800 + $2,000

$2,800

2015

$9,822 (+15.5%)

$800 + $2,000

$2,800

2014

$8,503 (+3.2%)

$800 + $2,000

$2,800

2013

$8,236 (+2.0%)

$800 + $2,000

$2,800

2012

$8,074 (+4.9%)

$800 + $2,000

$2,800

2011

$7,699 (+1.9%)

$800 + $2,000

$2,800

2010

$7,553 (+3.4%)

$800 + $2,000

$2,800

2009

$7,303

$800 + $2,000

$2,800

Tax history for 23 Hillside Rd

Year

Property tax

Land + Additions

Assessment*

2026

$13,180

$800 + $2,000

$2,800

2025

$13,180 (+3.7%)

$800 + $2,000

$2,800

2024

$12,711 (+6.9%)

$800 + $2,000

$2,800

2023

$11,888 (+3.5%)

$800 + $2,000

$2,800

2022

$11,489

$800 + $2,000

$2,800

2021

$11,489 (+1.0%)

$800 + $2,000

$2,800

2020

$11,380 (+1.8%)

$800 + $2,000

$2,800

2019

$11,184 (+2.8%)

$800 + $2,000

$2,800

2018

$10,876 (+2.0%)

$800 + $2,000

$2,800

2017

$10,658 (+1.5%)

$800 + $2,000

$2,800

2016

$10,502 (+6.9%)

$800 + $2,000

$2,800

2015

$9,822 (+15.5%)

$800 + $2,000

$2,800

2014

$8,503 (+3.2%)

$800 + $2,000

$2,800

2013

$8,236 (+2.0%)

$800 + $2,000

$2,800

2012

$8,074 (+4.9%)

$800 + $2,000

$2,800

2011

$7,699 (+1.9%)

$800 + $2,000

$2,800

2010

$7,553 (+3.4%)

$800 + $2,000

$2,800

2009

$7,303

$800 + $2,000

$2,800

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

Property details

Exterior

Exterior Information
Building Style Type: Cape Cod

Property Information
Ground Floor Sq. Ft: 1,296
Building Sq. Ft: 1,836
Legal Description: N MELVILLE E MT GREY RD S HILLSIDE RD W EWERS

Lot Information
# of Buildings: 1
Land Sq. Ft: 60,113
Legal Lot Number: 14
Legal Block Number: 0001
School Tax District: THREE VILLAGE
Municipality Name: BROOKHAVEN
Acres: 1.38
State Use Description: SINGLE FAMILY RESID

Financial

Assessor Information
Assessment Year: 2025

Public facts

Beds: —
Baths: —
Sq. Ft.: 1,836
Stories: —
Lot Size: 1.38 acres
Style: Single Family Residential
Year Built: 1940
Year Renovated: —
County: Suffolk County
APN: 0200108000100014000

Home facts updated by county records on Aug 31, 2026

Around this home

Schools

Setauket Elementary School

Public PreK-6 • Assigned • 1.3mi

6/10

Paul J Gelinas Junior High School

Public 7-9 • Assigned • 0.7mi

7/10

Ward Melville Senior High School

Public 9-12 • Assigned • 3.6mi

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

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

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

Provided by First Street

Historical weather

Stony Brook, NY • 11790

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

$776,000 – $940,000

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Nearby similar homes

$1,150,000

2 beds2.5 baths2,435 sq ft

133 Old Field Rd, Setauket, NY 11733

Listing by EXP Realty

$5,100,000

5 beds4 baths6,000 sq ft

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Listing by Compass Greater NY LLC

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Listing by Tri State Realty Services LLC

$899,000

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Listing by Douglas Elliman Real Estate

$3,750,000

5 beds5.5 baths5,000 sq ft

11 Arbutus Ln, Stony Brook, NY 11790

Listing by Daniel Gale Sothebys Intl Rlty

New listings for sale in 11790

OPEN SAT, 2PM TO 4PM

$749,999

3 beds2 baths1,850 sq ft

25 Stratton Ln, Stony Brook, NY 11790

Listing by BH&G R E Realty Connect

$799,000

4 beds2.5 baths1,872 sq ft

20 Hastings Dr, Stony Brook, NY 11790

Listing by Howard Hanna Coach

OPEN SAT, 12PM TO 1:30PM

$838,000

3 beds2.5 baths2,191 sq ft

2 Salem Dr, Stony Brook, NY 11790

Listing by BH&G R E Realty Connect

$779,000

3 beds2 baths1,800 sq ft

83 Christian Ave, Stony Brook, NY 11790

Listing by Daniel Gale Sothebys Intl Rlty

Home values near 23 Hillside Rd

Data from public records.

Address	Redfin Estimate
19 Hillside Road, Stony Brook, NY 2 Beds \| 2 Baths \| - Sq. Ft.	$765,053
33 Hillside Road, Stony Brook, NY 3 Beds \| 2 Baths \| 1821 Sq. Ft.	$808,275

Address	Redfin Estimate
21 Hillside Road, Stony Brook, NY 4 Beds \| 2.5 Baths \| - Sq. Ft.	$818,202
32 Hillside Road, Stony Brook, NY 3 Beds \| 2.5 Baths \| - Sq. Ft.	$808,711

Address	Redfin Estimate
22 Hillside Road, Stony Brook, NY 4 Beds \| 3.5 Baths \| - Sq. Ft.	$1,112,874
31 Hillside Road, Stony Brook, NY 2 Beds \| 2 Baths \| - Sq. Ft.	$728,260

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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 11790, NY

Sale history for 23 Hillside Rd

Tax history for 23 Hillside Rd

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 11790

Home values near 23 Hillside Rd

More real estate resources