21 River Ave, Greenwich, CT 06830
Property image
Property image
OFF MARKET

$945,100

Trulia Estimate
  • 2 Beds
  • 1 Bath
  • 1,260 sqft

21 River Ave, Greenwich, CT 06830

Byram
Est. Refi. Payment $6,275/mo*
Refinance Your Home
Currently Off Market - Sold Aug 31, 2020 for $615,000

Home Value

Trulia Estimate
$945K
Since last month
Increased$5K (+0.5%)
Since last year
Increased$89K (+10.4%)
Since last sale
Increased$330K (+53.6%)
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 +77% in the last 10 years
MonthEstimated value
2026
August 2026$945K
August 2026$945K
July 2026$940K
June 2026$968K
May 2026$955K
April 2026$932K
March 2026$939K
February 2026$908K
January 2026$896K
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
5 Hervey St, Greenwich, CT
0.18
Single-Family Home
$925,000
11/21/25
3
1.5
1,519
128 Grace Church Street, Port Chester, NY
0.47
Single-Family Home
$425,000
08/24/26
3
1
1,440
114 Mead Avenue, Greenwich, CT
0.21
Single-Family Home
$950,000
11/18/25
3
2
1,387
49-51 Beech St, Port Chester, NY
0.30
Single-Family Home
$1,372,600
02/06/26
4
2
1,488
10 Prospect St W, Greenwich, CT
0.20
Single-Family Home
$1,255,000
05/28/26
4
2
1,784
95 Byram Rd, Greenwich, CT
0.96
Single-Family Home
$695,000
02/26/26
2
1
881
57 View St W, Greenwich, CT
0.93
Single-Family Home
$775,000
04/14/26
3
1
1,252
19 High St, Greenwich, CT
0.89
Single-Family Home
$870,000
10/02/25
3
1
1,135
9 Harbor Drive, Port Chester, NY
0.47
Single-Family Home
$1,600,000
10/15/25
2
3
2,857
7 Sand Street, Pt Chester, NY
0.43
Single-Family Home
$635,000
08/20/26
3
1.5
1,224

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 River Ave #1A, Greenwich, CT 06830
0.04
$825,000
3
1.5
1,735
Recently Sold
1 Driftway, Greenwich, CT 06830
0.08
$1,768,000
4
3.5
2,882
Recently Sold
203 S Water St #B, Greenwich, CT 06830
0.12
$1,118,900
3
3.5
2,758
Off Market
203 S Water St #A, Greenwich, CT 06830
0.12
$1,053,200
3
3.5
2,758
Off Market
203 South Water Street, Greenwich, CT 06830
0.12
$1,053,200
3
3.5
2,758
Off Market
6 Cliff Ave, Greenwich, CT 06830
0.10
$975,200
2
2.5
1,596
Off Market
32 Cliff Ave #3, Greenwich, CT 06830
0.10
$1,353,100
3
3.5
2,653
Off Market
18 Candlelight Pl, Greenwich, CT 06830
0.11
$2,696,900
4
4
3,826
Off Market
5 Hervey St, Greenwich, CT 06830
0.18
$925,000
3
1.5
1,519
Recently Sold
1 Candlelight Pl, Greenwich, CT 06830
0.16
$1,271,500
3
2.5
2,132
Off Market
114 Mead Avenue, Greenwich, CT 06830
0.21
$950,000
3
2
1,387
Recently Sold
115 S Water St, Greenwich, CT 06830
0.25
$962,100
Studio
-
2,126
Off Market

Local Information

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

Home Highlights

Property Type
Single-Family Home
Year Built
1944
Living Area
1,260 sqft
Price/Sqft
$750
Parking
Garage

About this House

"The sea is calling you!" Come "sea" this fully updated gem nestled among the seaside estates of Byram Shore Rd. Stroll down to Byram Shore Beach and Pool Park and spend sunny days relaxing by the shore. After a relaxing day at the beach..fire up the grill in your private backyard oasis and prepare dinner while friends gather around the gorgeous granite island in your gourmet kitchen! A chef's dream! Cool nights? No problem! Cozy up in front of the Living room fireplace! Need to work? The lower level walk out recreation room has just the right space for your home office! Need a little more space? The convenient walk up attic has great storage or expansion potential! This house has it all! Central a/c, short walk to train, shops and school. Don't wait..grab your slice of heaven in Greenwich and make 21 River Ave your home this summer!
21 River Ave, Greenwich, CT 06830 is a 2 bedroom, 1 bathroom, 1,260 sqft single-family home in Byram, built in 1944. It last sold for $615,000 on Aug 31, 2020. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $945,100, with a rent estimate of $3,852/month.

Home Details for 21 River Ave

Interior Features

Interior Details
BasementAtticNumber of Rooms: 5Ceiling Fan
Heating & Cooling
Heating: Forced Air, GasAir ConditioningCooling System: CentralHeating Fuel: Forced Air
Levels, Entrance, & Accessibility
Stories: 2
Appliances & Utilities
DishwasherDryerMicrowaveRefrigeratorWasher
Fireplace & Spa
Fireplace
Security
Security System

Exterior Features

Exterior Home Features
Roof: AsphaltExterior: Vinyl
Parking & Garage
GarageParking Space: 1Parking: Garage Attached

Property Information

Year Built
Year Built: 1944Year Updated: 1970
Property Type / Style
Property Type: Single Family HomeArchitecture: Cape Cod

Community

Units in Building: 1

Lot Information

Lot Area: 8276 sqft

Building

Fitness & Sports
Tennis Court

Price and Tax history

DateEventPrice
Aug 31, 2020
Source: Smart MLS #170311537
Sold
$615,000
Jul 7, 2020
Source: Agent Provided
Pending
$615,000
Jul 2, 2020
Source: Agent Provided
Listed For Sale
$615,000

Market trends in Greenwich

Last updated July 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$2.44M
$338KMoM
Sale-to-List Price
103.8%
1.1%MoM
Price per sq ft
$825
$24MoM
Available listings
182
8MoM

Around this home

Neighborhood Overview

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

What Locals Say about Byram

At least 2 Trulia users voted on each feature.

  • 100 % Say car is needed

  • 100 % Say it's dog friendly

  • 100 % Say they plan to stay for at least 5 years

  • 100 % Say people would walk alone at night

  • 100 % Say yards are well-kept

  • 89 % Say neighbors are friendly

  • 75 % Say there's holiday spirit

  • 67 % Say there are sidewalks

  • 50 % Say parking is easy

  • 50 % Say there's wildlife

  • 50 % Say it's walkable to restaurants

  • 50 % Say streets are well-lit

  • 50 % Say kids play outside

  • 40 % Say there are community events

  • 20 % Say it's walkable to grocery stores

Sourced by Trulia users. Learn more about our methodology.
  • Kellysgreensllc
    "There are good schools,parks,library here. Conveniently located near mass transit.Not to forget our beaches. Local restaurants "
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Frequently asked questions about 21 River Ave

  • What is 21 River Ave estimated to be worth?
    Trulia's estimated value for 21 River Ave in Greenwich, CT is $945,100.
  • What is the price history for 21 River Ave?
    21 River Ave in Greenwich, CT last sold for $615,000 in August 2020.
  • Is Greenwich a buyer's or seller's market?
    Greenwich is currently a seller's market, based on recent for-sale activity.
  • What's the median sale price in Greenwich?
    The median sale price in Greenwich is $2.44M. That is up $338K from the prior month.
  • Does 21 River Ave have air conditioning?
    Yes, 21 River Ave in Greenwich, CT has air conditioning.
  • Does 21 River Ave have laundry facilities?
    Yes, 21 River Ave in Greenwich, CT has in-unit laundry.

Explore by feature - Pet Friendly

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Explore by feature - Pool

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Explore by feature - Washer/dryer

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Explore by feature - Outdoor Space

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Apartments for Rent

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