18 Algernon St, Cornwall, NY 12518
OFF MARKET

18 Algernon St
Cornwall, NY 12518

Firthcliffe
  • 3 Beds
  • 3 Baths
  • 1,656 sqft

$508,500

Trulia Estimate
as of Aug 16, 2026
Est. Refi. Payment $3,458/mo*
Refinance Your Home

$508,500

Trulia Estimate
as of Aug 16, 2026
Est. Refi. Payment $3,458/mo*
Refinance Your Home
3 Beds
3 Baths
1,656 sqft

Home Value

Trulia Estimate
$509K
Since last month
Decreased$5K (-1%)
Since last year
Increased$13K (+2.5%)
Since last sale
Increased$347K (+211.4%)
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 +132% in the last 10 years
MonthEstimated value
2026
August 2026$511K
July 2026$506K
June 2026$516K
May 2026$511K
April 2026$495K
March 2026$489K
February 2026$477K
January 2026$485K
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
115 Harold Avenue, Cornwall, NY
0.23
Single-Family Home
$345,000
01/21/26
3
2.5
1,865
102 Alfred Street, Cornwall, NY
0.23
Single-Family Home
$535,000
12/30/25
3
2.5
1,906
5 Bede Terrace, Cornwall, NY
0.13
Single-Family Home
$550,000
08/12/26
4
2
2,194
119 Harold Avenue, Cornwall, NY
0.25
Single-Family Home
$450,000
12/03/25
3
2
1,468
100 Alfred Street, Cornwall, NY
0.21
Single-Family Home
$570,000
08/21/25
4
2.5
2,168
129 Harold Avenue, Cornwall, NY
0.30
Single-Family Home
$580,000
12/16/25
4
2.5
1,904
176 Willow Avenue, Cornwall, NY
0.12
Single-Family Home
$420,000
07/22/26
3
2
1,419
39 Frost Lane, Cornwall, NY
0.27
Single-Family Home
$628,000
03/27/26
3
2.5
1,730
100 Shelly Court, Cornwall, NY
0.27
Single-Family Home
$595,000
08/27/25
4
2.5
1,941
11 Russell Street, Cornwall, NY
0.15
Single-Family Home
$360,000
06/12/26
3
1
1,116

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
27 Algernon Street, Cornwall, NY 12518
0.06
$394,600
2
1
1,000
Off Market
39 Highland Avenue, Cornwall, NY 12518
0.08
$348,800
2
1
936
Off Market
175 Willow Avenue, Cornwall, NY 12518
0.07
$624,100
4
2.5
2,002
Off Market
13 Firth Street, Cornwall, NY 12518
0.04
$485,600
3
2
1,660
Off Market
185 Willow Avenue, Cornwall, NY 12518
0.06
$502,700
3
2
2,000
Off Market
187 Willow Avenue, Cornwall, NY 12518
0.06
$539,300
3
1
1,792
Off Market
22-24 Firth Street, Cornwall, NY 12518
0.07
$608,000
6
3
2,854
Recently Sold
5 Russell Street, Cornwall, NY 12518
0.12
$371,500
2
1
768
Off Market
37 Algernon Street, Cornwall, NY 12518
0.11
$300,000
3
1
1,468
For Sale
41 Algernon Street, Cornwall, NY 12518
0.12
$482,200
3
1
1,428
Off Market
7 Frost Lane, Cornwall, NY 12518
0.11
$575,000
3
2.5
1,352
For Sale
176 Willow Avenue, Cornwall, NY 12518
0.12
$420,000
3
2
1,419
Recently Sold

Local Information

  • Map ViewExplore the area around 18 Algernon St.
  • Schools2 Elementary Schools1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Property Type
Single-Family Home
Year Built
1939
Living Area
1,656 sqft
Price/Sqft
$307

About this House

This single-family home is located at 18 Algernon St, Cornwall, NY. 18 Algernon St is in the Firthcliffe neighborhood in Cornwall, NY and in ZIP code 12518. This property has 3 bedrooms, 3 bathrooms and approximately 1,656 sqft of floor space. This property has a lot size of 7405 sqft and was built in 1939.
18 Algernon St, Cornwall, NY 12518 is a 3 bedroom, 3 bathroom, 1,656 sqft single-family home in Firthcliffe, built in 1939. It last sold for $164,000 on Jul 30, 2001. It is currently off market. The Trulia Estimate is $508,500, with a rent estimate of $3,202/month.

Home Details for 18 Algernon St

Interior Features

Interior Details
Basement
Heating & Cooling
Heating: Other, OtherHeating Fuel: Other
Levels, Entrance, & Accessibility
Stories: 2

Property Information

Year Built
Year Built: 1939
Property Type / Style
Property Type: Single Family HomeArchitecture: Old Style

Exterior Features

Exterior Home Features
Exterior: Other

Community

Units in Building: 1

Lot Information

Lot Area: 7405 sqft

Price and Tax history

DateEventPrice
Jul 30, 2001
Source: N/A
Sold
$164,000

Market trends in Cornwall

Last updated July 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
—
Sale-to-List Price
—
Price per sq ft
—
Available listings
20
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Around this home

Neighborhood Overview

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

What Locals Say about Firthcliffe

At least 26 Trulia users voted on each feature.

  • 92 % Say it's dog friendly

  • 85 % Say there's holiday spirit

  • 83 % Say it's walkable to restaurants

  • 83 % Say there are sidewalks

  • 79 % Say car is needed

  • 78 % Say kids play outside

  • 77 % Say parking is easy

  • 69 % Say there's wildlife

  • 68 % Say it's walkable to grocery stores

  • 67 % Say it's quiet

  • 66 % Say people would walk alone at night

  • 63 % Say neighbors are friendly

  • 63 % Say streets are well-lit

  • 51 % Say they plan to stay for at least 5 years

  • 50 % Say yards are well-kept

  • 44 % Say there are community events

Sourced by Trulia users. Learn more about our methodology.
  • Jsjp912
    "Dogs are welcomed and are walked in town daily. Local dog park available as well. There are doggie poop bag dispensers scattered throughout town. "
    0
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  • Jsjp912
    "Cornwall is a small town with great amenities and activities available for kids and grownups alike. Great place to raise a family and set roots. I’ve been living here for 38 years and love this town more and more everyday. "
    1
    Flag
  • Trulia User
    "Easy commute to nyc and westchester or rockland county. Also can commute to newburgh or beacon or many other places "
    0
    Flag
  • Jblouis24
    "Cornwall is a decent school district to live in with your children if you choose to live here. Thanks"
    2
    Flag
  • Carol L. T. M.
    "We have summer concerts, festivals and holiday parades. we have a farmers market and Fourth of July fireworks display. A very friendly town. "
    3
    Flag
  • Carol L. T. M.
    "I've lived here for 28 years and I love it. We all look out for each other. I feel very safe here. "
    10
    Flag
  • Carol L. T. M.
    "I've lived here for 26 years. It's a very quaint, friendly and quiet town. Everyone looks out for one another. "
    8
    Flag
  • Kelly M.
    "Schools are great. Friendly neighborhood. Lots of kids from every age group. Shops/restaurants within walking distance. "
    1
    Flag
  • Langlois11
    "Love love love Cornwall! People make this town unique. The town has a ton of activities for families. "
    9
    Flag
  • Carol L. T. M.
    "I've lived here for 27 years. Small town charm. Everyone is friendly and watch out for each other."
    0
    Flag
  • Mark G.
    "It’s the Hudson Valley. It is the most unique place you have the city to the south Pennsylvania to the south west and dirty jersey to the south. It’s perfect "
    0
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Homes for sale near 18 Algernon St

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Off Market Homes Near 18 Algernon St

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Frequently asked questions about 18 Algernon St

  • What is 18 Algernon St estimated to be worth?
    Trulia's estimated value for 18 Algernon St in Cornwall, NY is $508,500.
  • What is the price history for 18 Algernon St?
    18 Algernon St in Cornwall, NY last sold for $164,000 in July 2001.
  • Is Cornwall a buyer's or seller's market?
    Cornwall is currently a balanced market, based on recent for-sale activity.
  • What do residents say about the Firthcliffe neighborhood?
    Residents describe the Firthcliffe neighborhood in Cornwall, NY as dog-friendly, walkable to restaurants, and pedestrian-friendly. See recently sold homes in Firthcliffe, Cornwall.
  • How big is the lot at 18 Algernon St?
    The lot at 18 Algernon St in Cornwall, NY is about 0.17 acres (7,405 sq ft).