21 Walnut Ave Stony Brook, NY 11790
Stony Brook AreaHighlights
- Cape Cod Architecture
- Formal Dining Room
- Entrance Foyer
- Main Floor Primary Bedroom
- Eat-In Kitchen
- Central Air
About This Home
Discover the perfect blend of comfort and convenience in this newly renovated 5-bedroom, 3-bath apartment located in the heart of Stony Brook. Just minutes from Stony Brook University, Stony Brook Hospital, and public transportation, The modern design features fresh finishes and updated appliances, creating a welcoming and stylish living space with family room and dining room. Plus, the landlord covers landscaping, so you can enjoy a beautifully maintained yard without lifting a finger.
Home Details
Home Type
- Single Family
Year Built
- Built in 1975
Lot Details
- 4,792 Sq Ft Lot
Home Design
- Cape Cod Architecture
- Entry on the 1st floor
- Frame Construction
Interior Spaces
- 1,788 Sq Ft Home
- Entrance Foyer
- Formal Dining Room
- Basement Storage
- Washer
Kitchen
- Eat-In Kitchen
- Microwave
- Dishwasher
Bedrooms and Bathrooms
- 5 Bedrooms
- Primary Bedroom on Main
- 3 Full Bathrooms
Parking
- Private Parking
- Driveway
Schools
- Minnesauke Elementary School
- Paul J Gelinas Junior High School
- Ward Melville Senior High School
Utilities
- Central Air
- Ductless Heating Or Cooling System
- Baseboard Heating
- Heating System Uses Oil
- Water Heater
- Cesspool
Community Details
- Call for details about the types of pets allowed
Listing and Financial Details
- 12-Month Minimum Lease Term
- Assessor Parcel Number 0200-198-00-01-00-006-000
Map
Property History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Event | Price | List to Sale | Price per Sq Ft | Prior Sale |
|---|---|---|---|---|---|
| 08/02/2026 08/02/26 | Price Changed | $4,975 | -0.5% | $3 / Sq Ft | |
| 08/02/2026 08/02/26 | Price Changed | $5,000 | -8.3% | $3 / Sq Ft | |
| 07/15/2026 07/15/26 | Price Changed | $5,450 | +25.3% | $3 / Sq Ft | |
| 07/14/2026 07/14/26 | Price Changed | $4,350 | -13.0% | $2 / Sq Ft | |
| 07/14/2026 07/14/26 | For Rent | $5,000 | 0.0% | -- | |
| 12/05/2024 12/05/24 | Sold | $540,000 | -1.6% | $294 / Sq Ft | View Prior Sale |
| 03/06/2024 03/06/24 | Pending | -- | -- | -- | |
| 10/15/2023 10/15/23 | For Sale | $549,000 | -- | $299 / Sq Ft |
Source: OneKey® MLS
MLS Number: 1025436
APN: 0200-198-00-01-00-006-000
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The data relating to real estate for sale or lease on this web site comes in part from OneKey® MLS. Real estate listings held by brokerage firms other than Ten-X are marked with the OneKey® MLS logo or an abbreviated logo and detailed information about them includes the name of the listing broker.
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Based on information submitted to the MLS GRID
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Ask me questions while you tour the home.