Off market apr 2024 for $999K

$1,198,762

Est. refi paymentEst. refi $6,220/mo

•

—

sq ft

23 Mount Grey Rd, Stony Brook, NY 11790

About this home

Location! Location! Located in the picturesque neighborhood of "Old Field South," This stunning colonial maintains its traditional feel but has been updated to accommodate a more modern lifestyle with ample living space to entertain and enjoy family and friends. Offering 4 bedrooms which include an expanded primary suite, 2.5 baths, three living areas, formal dining room, EIK, and detached 2 car garage. The expansive windows and doors throughout this home overlook nearly an acre of level property with professionally landscaped and park like grounds. A gas fireplace, hardwood floors, natural gas, IGS, and a custom built fire pit are just a few highlights that this property has to offer. Enjoy the perks of West Meadow Beach, Frank Melville Park, Stony Brook Village, Avalon Nature Preserve, Harmony Vineyards, Stony Brook University, and so much more., Additional information: Appearance:Diamond+++,Separate Hotwater Heater:Y

Single-familyProperty Type

1929Year Built

0.87 acresLot Size

Listing by Dana Murillo-Romeo • Howard Hanna Coach

Bought with Thomas Scalia • Century 21 Albertson Realty

Redfin checked: a few seconds ago

•Source:OneKey® MLS as Distributed by MLS Grid #L3524891

Redfin Estimate

$1,198,762

$199K since sold in April 2024$15K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 8.9% higher than the average sale price ($1.10M) of 5 comparable homes.

SOLD JUL 27, 2026
$1,400,000
A
4 beds2.5 baths3,000 sq ft
14 W Meadow Lane Ext, Stony Brook, NY 11790
Listing by Daniel Gale Sothebys Intl Rlty
SOLD SEP 1, 2026
$1,189,000
B
4 beds2 baths3,131 sq ft
4 Waterview Ln, Setauket, NY 11733
Listing by Daniel Gale Sothebys Intl Rlty
SOLD JAN 8, 2026
$999,999
C
4 beds3 baths2,900 sq ft
14 Highwood Rd, Setauket, NY 11733
Listing by Signature Premier Properties
SOLD JUL 16, 2026
$965,000
D
3 beds2.5 baths2,463 sq ft
150 Quaker Path, Setauket, NY 11733
Listing by Howard Hanna Coach
SOLD AUG 27, 2026
$951,000
E
4 beds2.5 baths2,327 sq ft
14 Hawks Nest Rd, Stony Brook, NY 11790
Listing by Compass Greater NY LLC

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Earn from this home

Sell

$365,868

Est. take-home

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Refinance

Est. cash available

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Rent

$3,615/mo

Redfin rental estimate

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Market trends in 11790, NY

Last updated October 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, 12PM TO 2PM
$1,149,000
3 beds2 baths1,855 sq ft
55 Hopewell Dr, Stony Brook, NY 11790
Listing by Charles Rutenberg Realty Inc
$414,900
2 beds1 bath916 sq ft
96 Strathmore Gate Dr, Stony Brook, NY 11790
Listing by American Real Estate Assoc Inc
$749,000
3 beds2 baths1,851 sq ft
103 Sycamore Cir, Stony Brook, NY 11790
Listing by Howard Hanna Coach
See all

Provided by Redfin

Sale history for 23 Mount Grey Rd

Date

Event

Price

Public Records

May 23, 2024

Sold

$999,999

OneKey® MLS as Distributed by MLS Grid #L3524891

Apr 5, 2024

Sold

$999,999

Feb 16, 2024

Pending

—

Sep 20, 2023

Listed

$999,999

OneKey® MLS as Distributed by MLS Grid #3505665

Dec 4, 2023

Listing Removed

—

Oct 12, 2023

Price Changed

$999,999

Sep 20, 2023

Listed

$1,050,000

RENT. #1

Jan 3, 2022

Price Changed

$4,800

Public Records

Aug 14, 2019

Sold

$795,000

OneKey® MLS as Distributed by MLS Grid #L3125918

Jul 10, 2019

Sold

$795,000

May 20, 2019

Pending

—

May 6, 2019

Listed

$789,000

Located In The Picturesque Neighborhood Of "Old Field South," This Property Offers 4 Bedrooms, 2.5 Baths, Formal Living And Dining, Family Room And Den Or Office With Expansive Bay Window Overlooking Nearly An Acre Of Property Complete With Specimen Plantings. Custom Built Fire Pit Is The Perfect Space To Enjoy All This Property Has To Offer With Family And Friends., Additional information: Appearance:Diamond+++,Green Features:Insulated Doors,Separate Hotwater Heater:Y

OneKey® MLS as Distributed by MLS Grid #L2982947

Mar 1, 2018

Sold

$760,000

Jan 12, 2018

Pending

—

Nov 2, 2017

Listed

$799,000

Public Records

Mar 9, 2007

Sold

$740,000

Public Records

Jan 11, 1994

Sold

$192,000

Year

Property tax

Land + Additions

Assessment*

2026

$24,738

$300 + $5,030

$5,330

2025

$24,738 (+3.8%)

$300 + $5,030

$5,330

2024

$23,832 (+7.0%)

$300 + $5,030

$5,330

2023

$22,278 (+3.5%)

$300 + $5,030

$5,330

2022

$21,529

$300 + $5,030

$5,330

2021

$21,529 (+0.9%)

$300 + $5,030

$5,330

2020

$21,333 (+1.7%)

$300 + $5,030

$5,330

2019

$20,973 (+9.4%)

$300 + $5,030

$5,330

2018

$19,163 (+2.1%)

$300 + $5,030

$5,330

2017

$18,773 (+4.5%)

$300 + $5,030

$5,330

2016

$17,960 (+7.3%)

$300 + $4,880

$5,180

2015

$16,736 (+2.3%)

$300 + $4,880

$5,180

2014

$16,362 (+3.2%)

$300 + $4,880

$5,180

2013

$15,847 (+2.1%)

$300 + $4,880

$5,180

2012

$15,525 (+4.8%)

$300 + $4,880

$5,180

2011

$14,808 (+2.5%)

$300 + $4,880

$5,180

2010

$14,444 (+3.0%)

$300 + $4,880

$5,180

2009

$14,021

$300 + $4,880

$5,180

Tax history for 23 Mount Grey Rd

Year

Property tax

Land + Additions

Assessment*

2026

$24,738

$300 + $5,030

$5,330

2025

$24,738 (+3.8%)

$300 + $5,030

$5,330

2024

$23,832 (+7.0%)

$300 + $5,030

$5,330

2023

$22,278 (+3.5%)

$300 + $5,030

$5,330

2022

$21,529

$300 + $5,030

$5,330

2021

$21,529 (+0.9%)

$300 + $5,030

$5,330

2020

$21,333 (+1.7%)

$300 + $5,030

$5,330

2019

$20,973 (+9.4%)

$300 + $5,030

$5,330

2018

$19,163 (+2.1%)

$300 + $5,030

$5,330

2017

$18,773 (+4.5%)

$300 + $5,030

$5,330

2016

$17,960 (+7.3%)

$300 + $4,880

$5,180

2015

$16,736 (+2.3%)

$300 + $4,880

$5,180

2014

$16,362 (+3.2%)

$300 + $4,880

$5,180

2013

$15,847 (+2.1%)

$300 + $4,880

$5,180

2012

$15,525 (+4.8%)

$300 + $4,880

$5,180

2011

$14,808 (+2.5%)

$300 + $4,880

$5,180

2010

$14,444 (+3.0%)

$300 + $4,880

$5,180

2009

$14,021

$300 + $4,880

$5,180

*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

0.87 Acres

Year renovated

—

Sq. Ft.

3,078

Year built

1954

Style

Single Family Residential

County

Suffolk County

APN

0200108000200001000

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Aug 31, 2026.

Property details

Parking

Parking Information
Parking Features: Detached, Private

Interior

Fireplace Information
Has Fireplace
Fireplaces Total: 1

Heating & Cooling
Cooling: Central Air
Heating: Natural Gas, Other

Interior Features
Appliances: Refrigerator, Washer

Room Information
Room Description: Partial Basement, Laundry, Utilities, Work Area, Storage||Formal Living Room w/ Fireplace, Formal Dining Room, Kitchen, EIK, Two Additional Living Spaces, Powder Room.||Primary Suite, Three Additional Bedrooms, Access To Pull Down Attic Stairs
Basement YN: No
Attic: Pull Stairs
Rooms Total: 8
Basement: Partial

Bathroom Information
Bathrooms Full: 2
Bathrooms Half: 1

Exterior

Exterior Features
Construction Materials: Frame

Lot Information
Additional Parcels YN: No
Lot Features: Level, Part Wooded

Property Information
Property Sub Type: Single Family Residence

Financial

Tax Information
Tax Annual Amount: $22,005.09

Utilities

Utility Information
Sewer: Cesspool

Location

School Information
Elementary School: Setauket Elementary School
Middle Or Junior School: Paul J Gelinas Junior High School
High School: Ward Melville Senior High School
High School District: Three Village

Location Information
Hamlet: Stony Brook
Directions: Quaker Path To Mount Grey to # 23
County Or Parish: Suffolk County

Public facts

Beds: —
Baths: —
Sq. Ft.: 3,078
Stories: —
Lot Size: 0.87 acres
Style: Single Family Residential
Year Built: 1954
Year Renovated: —
County: Suffolk County
APN: 0200108000200001000

Home facts updated by county records on Aug 31, 2026

Around this home

Schools

K - 12
Preschool & daycare

Setauket Elementary School

Public PreK-6 • Assigned • 1.2mi

6/10

Paul J Gelinas Junior High School

Public 7-9 • Assigned • 0.6mi

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

$1.14M – $1.38M

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Nearby similar homes

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New listings for sale in 11790

OPEN SAT, 12PM TO 2PM

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55 Hopewell Dr, Stony Brook, NY 11790

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Listing by Charles Rutenberg Realty Inc

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Listing by American Real Estate Assoc Inc

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Home values near 23 Mount Grey Rd

Data from public records.

Address	Redfin Estimate
27 Mount Grey Rd, Stony Brook, NY - Beds \| - Baths \| 1767 Sq. Ft.	$783,945
21 Hillside Rd, Stony Brook, NY 4 Beds \| 2.5 Baths \| - Sq. Ft.	$827,270
33 Intervale Rd, Setauket, NY 4 Beds \| 3 Baths \| - Sq. Ft.	$1,064,863
2 Waterview Ln, Setauket, NY 5 Beds \| 4.5 Baths \| 6500 Sq. Ft.	$1,980,857
31 Hillside Rd, Stony Brook, NY 2 Beds \| 2 Baths \| - Sq. Ft.	$719,774
27 Hillside Rd, Stony Brook, NY 6 Beds \| 3.5 Baths \| - Sq. Ft.	$1,430,165

Address	Redfin Estimate
26 Mount Grey Rd, Stony Brook, NY 5 Beds \| 3 Baths \| - Sq. Ft.	$1,802,631
22 Hillside Rd, Stony Brook, NY 4 Beds \| 3.5 Baths \| - Sq. Ft.	$1,123,754
23 Hillside Rd, Stony Brook, NY - Beds \| - Baths \| 1836 Sq. Ft.	$841,900
4 Intervale Rd, Setauket, NY 4 Beds \| 2 Baths \| - Sq. Ft.	$919,259
5 Intervale Rd, Setauket, NY - Beds \| - Baths \| 3328 Sq. Ft.	$1,067,974
6 Southgate Rd, Setauket, NY - Beds \| - Baths \| 3623 Sq. Ft.	$1,536,973

Address	Redfin Estimate
19 Hillside Rd, Stony Brook, NY 2 Beds \| 2 Baths \| - Sq. Ft.	$785,299
33 Hillside Rd, Stony Brook, NY 3 Beds \| 2 Baths \| 1821 Sq. Ft.	$824,648
8 Southgate Rd, Setauket, NY - Beds \| - Baths \| 2808 Sq. Ft.	$1,195,256
3 Intervale Rd, Setauket, NY - Beds \| - Baths \| 2003 Sq. Ft.	$949,477
4 Southgate Rd, Setauket, NY 4 Beds \| 3.5 Baths \| 3500 Sq. Ft.	$1,277,523

Property information provided by OneKey® MLS as Distributed by MLS Grid when last listed in 2023. 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 11790, NY

Sale history for 23 Mount Grey Rd

Tax history for 23 Mount Grey Rd

Public record

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 Mount Grey Rd

More real estate resources