21 Prospect Ave, Ossining, NY 10562
OFF MARKET

21 Prospect Ave
Ossining, NY 10562

Spring Valley
  • 3 Beds
  • 1.5 Baths
  • 1,117 sqft

$626,900

Trulia Estimate
as of Aug 22, 2026
Est. Refi. Payment $4,072/mo*
Refinance Your Home

$626,900

Trulia Estimate
as of Aug 22, 2026
Est. Refi. Payment $4,072/mo*
Refinance Your Home
3 Beds
1.5 Baths
1,117 sqft

Home Value

Trulia Estimate
$627K
Since last month
Increased$4K (+0.7%)
Since last year
Increased$47K (+8%)
Since last sale
Increased$457K (+272.8%)
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 +90% in the last 10 years
MonthEstimated value
2026
August 2026$625K
July 2026$620K
June 2026$620K
May 2026$609K
April 2026$600K
March 2026$580K
February 2026$571K
January 2026$565K
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
15 Prospect Avenue, Ossining, NY
0.03
Single-Family Home
$600,000
06/25/26
3
2
1,520
3 Belleview Avenue, Ossining, NY
0.06
Single-Family Home
$370,000
09/24/25
3
2
1,450
25 Belleview Avenue, Ossining, NY
0.12
Single-Family Home
$485,000
09/05/25
3
1
1,526
11 Sutton Place, Ossining, NY
0.15
Single-Family Home
$715,000
01/16/26
3
1.5
1,444
1C Calam Avenue, Ossining, NY
0.25
Single-Family Home
$600,000
06/08/26
3
1
1,076
19 Forest Avenue, Ossining, NY
0.30
Single-Family Home
$660,000
06/30/26
3
1.5
1,328
5 Glen Street, Ossining, NY
0.25
Single-Family Home
$515,000
01/15/26
2
1
1,151
3 Forest Avenue, Ossining, NY
0.24
Single-Family Home
$586,000
10/17/25
2
2
1,046
8 Eldridge Avenue, Ossining, NY
0.14
Single-Family Home
$625,000
02/18/26
3
1.5
1,610
4 Spaulding Place, Ossining, NY
0.26
Single-Family Home
$700,500
06/04/26
3
1.5
1,636

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
3 Belleview Avenue, Ossining, NY 10562
0.06
$393,800
3
2
1,450
Off Market
15 Prospect Avenue, Ossining, NY 10562
0.03
$600,000
3
2
1,520
Recently Sold
122 Croton Avenue, Ossining, NY 10562
0.08
$823,600
3
3
2,688
Off Market
6-8 Belleview Avenue, Ossining, NY 10562
0.09
$793,900
6
2
2,024
Off Market
119 Croton Avenue, Ossining, NY 10562
0.10
$712,000
2
2.5
1,471
Recently Sold
25 Belleview Avenue, Ossining, NY 10562
0.12
$517,100
3
1
1,526
Off Market
41 Clinton Avenue, Ossining, NY 10562
0.15
$750,000
3
3
1,668
Recently Sold
15 Ferris Place, Ossining, NY 10562
0.12
$710,000
8
3
2,442
Recently Sold
33 Belleview Avenue, Ossining, NY 10562
0.16
$663,600
3
1.5
1,588
Off Market
60 Prospect Avenue, Ossining, NY 10562
0.17
$626,400
4
2
1,554
Off Market
8 Eldridge Avenue, Ossining, NY 10562
0.14
$625,000
3
1.5
1,610
Recently Sold
47 Linden Avenue, Ossining, NY 10562
0.19
$677,000
3
2
1,540
Off Market

Local Information

  • Map ViewExplore the area around 21 Prospect Ave.
  • Schools1 Preschool School4 Elementary Schools1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Property Type
Single-Family Home
Year Built
1948
Living Area
1,117 sqft
Price/Sqft
$561

About this House

This single-family home is located at 21 Prospect Ave, Ossining, NY. 21 Prospect Ave is in the Spring Valley neighborhood in Ossining, NY and in ZIP code 10562. This property has 3 bedrooms, 2 bathrooms and approximately 1,117 sqft of floor space. This property has a lot size of 6969 sqft and was built in 1948.
21 Prospect Ave, Ossining, NY 10562 is a 3 bedroom, 2 bathroom, 1,117 sqft single-family home in Spring Valley, built in 1948. It last sold for $167,500 on Aug 27, 1998. It is currently off market. The Trulia Estimate is $626,900, with a rent estimate of $3,778/month.

Home Details for 21 Prospect Ave

Interior Features

Interior Details
BasementNumber of Rooms: 6Types of Rooms: Recreation Room
Heating & Cooling
Heating: Forced AirAir ConditioningCooling System: CentralHeating Fuel: Forced Air
Levels, Entrance, & Accessibility
Stories: 1.5
Appliances & Utilities
DishwasherMicrowave

Property Information

Year Built
Year Built: 1948
Property Type / Style
Property Type: Single Family HomeArchitecture: Cape Cod

Exterior Features

Exterior Home Features
Exterior: Other

Community

Units in Building: 1

Lot Information

Lot Area: 6969 sqft

Price and Tax history

DateEventPrice
Aug 27, 1998
Source: N/A
Sold
$167,500

Market trends in Ossining

Last updated July 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
—
Sale-to-List Price
—
Price per sq ft
—
Available listings
60

Around this home

Neighborhood Overview

Spring Valley
See Local Highlights
Neighborhood stats provided by third party data sources.

LGBTQ Local Legal Protections

Frequently asked questions about 21 Prospect Ave

  • What is 21 Prospect Ave estimated to be worth?
    Trulia's estimated value for 21 Prospect Ave in Ossining, NY is $626,900.
  • What is the price history for 21 Prospect Ave?
    21 Prospect Ave in Ossining, NY last sold for $167,500 in August 1998.
  • Is Ossining a buyer's or seller's market?
    Ossining is currently a seller's market, based on recent for-sale activity.
  • What are the closest schools to 21 Prospect Ave?
    The closest schools to 21 Prospect Ave in Ossining, NY are Anne M Dorner Middle School (rated 6/10), Brookside School (Elementary), Claremont School (Elementary, rated 5/10).
  • Does 21 Prospect Ave have air conditioning?
    Yes, 21 Prospect Ave in Ossining, NY has air conditioning.
  • How big is the lot at 21 Prospect Ave?
    The lot at 21 Prospect Ave in Ossining, NY is about 0.16 acres (6,969 sq ft).

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Apartments for Rent

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Off Market Homes Near 21 Prospect Ave

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