9 Underhill Ave, Syosset, NY 11791
Property image
Property image
OFF MARKET

$954,200

Trulia Estimate
  • 4 Beds
  • 1.5 Baths
  • 1,460 sqft

9 Underhill Ave, Syosset, NY 11791

Locust Grove
Est. Refi. Payment $6,466/mo*
Refinance Your Home
Currently Off Market - Sold Feb 19, 2020 for $600,000

Home Value

Trulia Estimate
$954K
Since last month
$200 (0%)
Since last year
Increased$42K (+4.7%)
Since last sale
Increased$347K (+57.8%)
Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.

Trulia Estimate

The of this home's value increased by +80% in the last 10 years
MonthEstimated value
2026
September 2026$947K
August 2026$947K
July 2026$970K
June 2026$965K
May 2026$943K
April 2026$926K
March 2026$914K
February 2026$900K
January 2026$890K
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016

Comparable sales

These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.
Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
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
0.16
Single-Family Home
$1,200,000
06/10/26
3
2
1,631
0.20
Single-Family Home
$1,105,000
09/11/26
3
2
1,631
0.30
Single-Family Home
$965,000
09/03/26
4
2
1,633
0.24
Single-Family Home
$1,320,000
07/06/26
4
2
1,913
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

Nearby home prices

Get a sense of expected prices in the area by checking the value of nearby homes.
Address
Distance
Price
Bed
Bath
Sqft
Status
0.01
$935,400
Studio
2
1,334
Off Market
0.02
$882,300
Studio
1
1,252
Off Market
0.02
$1,021,400
Studio
2
1,701
Off Market
0.02
$919,600
Studio
1
1,608
Off Market
0.03
$1,102,100
5
2
1,880
Off Market
0.03
$985,100
Studio
2
1,373
Off Market
0.03
$972,700
3
1.5
1,270
Off Market
0.03
$954,600
4
2
2,000
Off Market
0.03
$1,740,400
5
3
1,368
Off Market
0.03
$974,500
Studio
2
1,371
Off Market
0.04
$956,600
4
2
1,850
Off Market
0.04
$777,200
Studio
1
1,190
Off Market
0.04
$941,500
4
2
1,389
Off Market
0.04
$1,472,600
4
2.5
1,323
Off Market
0.04
$849,600
2
2
1,032
Off Market
0.04
$1,070,700
4
2
1,603
Off Market
0.04
$961,300
4
2
1,373
Off Market
0.05
$1,281,400
5
3
1,894
Off Market
0.05
$1,063,400
Studio
2
1,700
Off Market
0.05
$916,800
3
2
1,032
Off Market

Local Information

  • Map ViewExplore the area around 9 Underhill Ave.
  • Schools1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Single-Family Home
Built in 1950
1,460 sqft
$654/sqft
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. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $954,200, with a rent estimate of $5,244/month.

Home Details for 9 Underhill Ave

Property Information

Year Built
Year Built: 1950
Property Type / Style
Property Type: Single Family HomeArchitecture: Cape Cod

Interior Features

Interior Details
Number of Rooms: 6Types of Rooms: Dining Room
Appliances & Utilities
DishwasherDryerRefrigerator
Heating & Cooling
Cooling System: Central

Exterior Features

Exterior Home Features
Exterior: Other
Pool
Pool
Parking & Garage
GarageParking: Garage

Community

Units in Building: 1

Lot Information

Lot Area: 6176 sqft

Price and Tax history

DateEventPrice
Feb 19, 2020
Source: OneKey® MLS as distributed by MLS GRID #L3151195
Sold
$600,000
Oct 11, 2019
Source: Agent Provided
PriceChange
$630,888
Price decreased by 6%
Sep 9, 2019
Source: Agent Provided
PriceChange
$668,000
Price decreased by 3%
Aug 23, 2019
Source: Agent Provided
PriceChange
$688,000
Price decreased by 2%
Jul 24, 2019
Source: Agent Provided
Listed For Sale
$700,000

Market trends in Syosset

Last updated August 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$1.17M
Sale-to-List Price
101.5%
Price per sq ft
$614
Available listings
59
6
MoM

Neighborhood Overview

Neighborhood stats provided by third party data sources.

LGBTQ Local Legal Protections

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 $954,200.
  • 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's the median sale price in Syosset?
    The median sale price in Syosset is $1.17M.
  • 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.

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