9 Underhill Ave
Syosset, NY 11791
Locust Grove- 4 Beds
- 1.5 Baths
- 1,460 sqft
4 Beds
1.5 Baths
1,460 sqft
Local Information
-- mins to
Home Highlights
Property Type
Single-Family Home
Year Built
1950
Living Area
1,460 sqft
Price/Sqft
$650
Parking
Garage
About this House
4 bedroom expanded cape. 1 mile to LIRR and Syosset library. 400 sq ft cook"s kitchen/dining room, 11 foot island w/storage & display.2 dw, warming drawer. Food motif accents. Pella windows/door. Hardwood floors. Formal living room. Master on main. Full bath with 21' deep tub . 2nd floor-2 bed. 1/2 bath, new carpet. Finished Basement w/wet bar, laundry, storage, workbench. new carpet. Access from basement to garage.
9 Underhill Ave, Syosset, NY 11791 is a 4 bedroom, 2 bathroom, 1,460 sqft single-family home in Locust Grove, built in 1950. It last sold for $600,000 on Feb 19, 2020. It is currently off market. The Trulia Estimate is $948,300, with a rent estimate of $5,400/month.
Home Details for 9 Underhill Ave
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Heating & Cooling Heating: OtherCooling System: CentralHeating Fuel: Other |
Interior Details Number of Rooms: 6Types of Rooms: Dining Room |
Appliances & Utilities DishwasherDryerRefrigerator |
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Year Built Year Built: 1950 |
Property Type / Style Property Type: Single Family HomeArchitecture: Cape Cod |
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Exterior Home Features Exterior: Other |
Pool Pool |
Parking & Garage GarageParking: Garage |
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Units in Building: 1 |
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Lot Area: 6176 sqft |
Price History for 9 Underhill Ave
| Date | Price | Event | Source |
|---|---|---|---|
| 02/19/2020 | $600,000 | Sold | OneKey® MLS as distributed by MLS GRID #L3151195 |
| 10/11/2019 | $630,888 | PriceChange | Agent Provided |
| 09/09/2019 | $668,000 | PriceChange | Agent Provided |
| 08/23/2019 | $688,000 | PriceChange | Agent Provided |
| 07/24/2019 | $700,000 | Listed For Sale | Agent Provided |
| 01/12/2000 | $290,000 | Sold | N/A |
Market trends in Syosset
Last updated June 2026
Avg. sale price
—
Sale-to-List Price
—
Price per sq ft
—
Available listings
62
8MoM
Property Tax and Assessment
| Year | 2024 |
|---|---|
| Tax | |
| Assessment | $623,000 |
Home facts updated by county records
Comparable Sales for 9 Underhill Ave
Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.04 | Single-Family Home | $995,000 | 08/18/25 | 4 | 2 | 1,603 | |
0.12 | Single-Family Home | $800,000 | 02/11/26 | 3 | 2 | 1,032 | |
0.15 | Single-Family Home | $900,000 | 12/01/25 | 3 | 2 | 1,032 | |
0.24 | Single-Family Home | $1,320,000 | 07/06/26 | 4 | 2 | 1,913 | |
0.36 | Single-Family Home | $839,000 | 08/20/25 | 5 | 4 | 3,127 | |
0.38 | Single-Family Home | $860,000 | 03/10/26 | 3 | 1.5 | 1,356 | |
0.49 | Single-Family Home | $995,000 | 05/15/26 | 4 | 2 | 1,618 | |
0.12 | Single-Family Home | $1,238,888 | 11/11/25 | 5 | 3 | 2,087 | |
0.36 | Single-Family Home | $970,000 | 02/27/26 | 4 | 2 | 1,796 | |
0.40 | Single-Family Home | $890,000 | 10/07/25 | 3 | 2 | 1,540 |
Nearby homes
Get a sense of prices in the area by checking nearby homes.Assigned Schools
These are the assigned schools for 9 Underhill Ave.
LGBTQ Local Legal Protections
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Apartments for Rent
Homes for sale near 9 Underhill Ave
Off Market Homes Near 9 Underhill Ave
Frequently asked questions about 9 Underhill Ave
- What is 9 Underhill Ave estimated to be worth?Trulia's estimated value for 9 Underhill Ave in Syosset, NY is $948,300.
- What is the price history for 9 Underhill Ave?9 Underhill Ave in Syosset, NY last sold for $600,000 in February 2020.
- Is Syosset a buyer's or seller's market?Syosset is currently a seller's market, based on recent for-sale activity.
- What are the closest schools to 9 Underhill Ave?The closest schools to 9 Underhill Ave in Syosset, NY are H B Thompson Middle School (rated 8/10), Syosset Senior High School (rated 10/10), Willits Elementary School (rated 7/10).
- Does 9 Underhill Ave have air conditioning?Yes, 9 Underhill Ave in Syosset, NY has air conditioning.
- Does 9 Underhill Ave have a pool?Yes, 9 Underhill Ave in Syosset, NY has a pool.

