$8,906 Closing Credit¹
#860206, Listing Office: Redfin Real Estate
$799,990 List price
23 Knox Ave Stony Brook, NY 11790
$9,500
Closing credit¹
4 beds
3 full
3,061 sqft
0.4 acres
$261 / sqft
House
Property details
About 23 Knox Ave
Spectacular Colonial In Stony Brook Village! Nestled On A Large, Private Wooded Lot In the Heart Of Stony Brook Village, This Spacious 3061 sq. ft. Colonial Offers The Perfect Blend Of Charm, Comfort, And Modern Conveniences. Boasting 4 Generously Sized Bedrooms & 3 Full Baths, the Entire Home Was Expanded And Fully Renovated In 2000 With A Light-filled Open Floor Plan Ideal For Entertaining. Gourmet Eat-In Kitchen With Maple Cabinetry, Granite Counters Flows Seamlessly Into Dining Area And Expansive Den With Fireplace. Walls Of Windows Showcase Serene Wooded Views For Year-round Tranquility. Escape To Your Own Luxurious Primary Suite With Vaulted Ceilings, Skylights, Fireplace, Sitting Area, Spa tub and Private Balcony. Full Walkout Basement With Fireplace, French Doors, Egress Windows, and Rough Plumbing For A Kitchen & Bath, And whole House Generator Will Give You Peace Of Mind In Any Season. This One-Of-A-Kind Home Is Your Retreat From The Everyday - Set In A Prime Location With All The Amenities Of Stony Brook Just Moments Away. Don't Miss the Opportunity To own This Stunning, Move-In Ready Gem!
Highlights
Home typeSingle Family Residence
HeatingBaseboard, Natural Gas
StatusActive
CoolingCentral Air
Size3,061 sqft
BasementYes
Lot size0.4 Acres
Year built1930
ParkingDriveway
MLS #869048
Summary
- Full Bathrooms: 3
- Appliances: Dishwasher, Dryer, Electric Oven, Gas Cooktop, Microwave, Refrigerator, Stainless Steel Appliance(s), Washer
- Basement: Yes
- Flooring Type: Tile, Wood
- Interior: First Floor Full Bath, Cathedral Ceiling(s), Ceiling Fan(s), Chandelier, Chefs Kitchen, Crown Molding, Double Vanity, Eat-in Kitchen, Entrance Foyer, Formal Dining, Granite Counters, His and Hers Closets, Kitchen Island, Primary Bathroom, Open Floorplan, Open Kitchen, Pantry, Recessed Lighting, Soaking Tub, Storage, Walk-In Closet(s)
- Total Bedroom Count: 4
- Private Pool: No
- Parking: Driveway
- Exterior: Deck
- Architectural Style: Colonial
- Heating: Baseboard, Natural Gas
- Cooling: Central Air
- List Price: $799,990
- Price/SqFt: $261
- Year Built: 1930
- Living Area: 3,061 SqFt
- Lot Size: 0.4 Acres
- MLS Number: 869048
- MLS Name: ONEKEY2
- Office Name: Signature Premier Properties
- Office Phone: (631) 751-2111
Listings courtesy of OneKey MLS as distributed by MLS GRID.
All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Properties displayed may be listed or sold by various participants in the MLS.
The data relating to real estate for sale on this web site comes in part from the Broker Reciprocity Program of the OneKey™ MLS. Real Estate listings held by brokerage firms other than this broker are marked with the Broker Reciprocity logo and detailed information about them includes the name of the listing brokers. This information is provided exclusively for consumers’ personal, non-commercial use, that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
The source of the displayed data is either the property owner or public record provided by non-governmental third parties. It is believed to be reliable but not guaranteed.
Information Copyright 2025, OneKey™ MLS. All Rights Reserved.
Data displayed may be a portion of, and not a complete set of all listings published in the MLS.
This advertisement does not suggest that the broker has a listing in this property or properties or that any property is currently available.
Last updated on: 6/1/2025, 11:56:26 PM Eastern. If you have any questions regarding the accuracy of this data, please contact us at help@rockethomes.com.
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$799,990
23 Knox Ave
$9,500
closing credit¹
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0.5% sale price²
Price information
Property sales
| Date | Event | Price |
|---|---|---|
| Dec 11, 2019 | Home Sold | $575,000 |
| Dec 11, 2019 | Home Sold | $575,000 |
| Oct 29, 2003 | Home Sold | $26,000 |
Tax history
We're sorry, we currently don't have tax history data for this listing.
History based on county public records data.
Nearby schools
8
Minnesauke Elementary School
Public District KG-6
1.5 mi
•21 High Gate Dr
7
Nassakeag Elementary School
Public District KG-6
1.7 mi
•490 Pond Path
7
Setauket Elementary School
Public District KG-6
1.8 mi
•134 Main St
School ratings are a score out of 10, where 10 is the highest and 1 is the lowest.
Neighborhood
The neighbors living near this home have an average income of $122,170. Residents of Stony Brook, NY typically earn between $100k-200k each year. The majority of families are married, no kids. The majority of residents in this area have post secondary degree education.
How much money do the neighbors make?
13%
<35k
24%
35k-100k
38%
100k-200k
25%
200k+
What level of education do the neighbors have?
High School Diploma
Post Secondary Degree
Masters Degree
Doctorate
What types of families live nearby?
29%
Single, No Kids
8%
Single, with Kids
39%
Married, No Kids
24%
Married, with Kids
Are the neighbors home owners or renters?
Home Owners
Renters
How old are people in this area?
13%
<11 yrs old
8%
12-17 yrs old
14%
18-34 yrs old
48%
35-64 yrs old
17%
65+ yrs old
What do the neighbors do for fun?
Skiing/snowboarding
Men's Tennis
Soccer
Where do the neighbors shop?
Nordstrom
Bloomingdales
The Container Store
Where do the neighbors go to eat?
California Pizza Kitchen
Bonefish Grill
Starbucks
What do the neighbors drive?
BMW
Lexus
Cadillac
What do the neighbors listen to?
Talk/Personality
News
Alternative
All data provided by Home Junction and Claritas
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Frequently asked questions
About 23 Knox Ave
The listing price of 23 Knox Ave property is $799,990.
The property 23 Knox Ave is a house located in Stony Brook, New York, 11790.
Active Listing: 23 Knox Ave is For Sale (Active/New) which means the seller is accepting offers.
The nearby schools for 23 Knox Ave are: Minnesauke Elementary School (GreatSchools Rating 8/10), Nassakeag Elementary School (GreatSchools Rating 7/10), Setauket Elementary School (GreatSchools Rating 7/10), Paul J Gelinas Junior High School (GreatSchools Rating 8/10), Robert Cushman Murphy Junior High School (GreatSchools Rating 8/10), Port Jefferson Middle School (GreatSchools Rating 7/10), Ward Melville Senior High School (GreatSchools Rating 10/10), Earl L Vandermeulen High School (GreatSchools Rating 9/10), Smithtown High School East (GreatSchools Rating 10/10).
The last sale was on December 11, 2019 for $575,000 (source: MLS/tax record).
The property at 23 Knox Ave has 4 bedrooms and 3 bathrooms.
The property 23 Knox Ave is 3,061 SqFt (source: MLS/tax record).
The year of construction for 23 Knox Ave is 1930.
This home is located at 23 Knox Ave in Stony Brook, NY and zip code 11790 in the Town of Brookhaven neighborhood. This 3,061 square foot home, which was built in 1930, sits on a 0.40 acre lot. Features: 4 bedrooms, 3 bathrooms. It has been listed on Rocket Homes since May 30, 2025 and is currently priced at $799,990.
In May 2025 more than 207 listings in Stony Brook, NY were sold above the asking price. During the same period more than 36 listings were sold at asking price, while more than 113 were sold below. The number of listings in Stony Brook, NY decreased by 2% between April and May 2025. Listings spent 44 days on the market in May 2025, and had a median list price of $564,145 during the same period.
From Rocket Homes Real Estate and based on county public records data.