Off Market Dec 1999 for $1.5M

$4,370,597

Est. refi paymentEst. refi $9,989/mo

•

5,895

sq ft

21 Alden Rd, Greenwich, CT 06831

About this home

Single-familyProperty Type

1975Year Built

1.25 acresLot Size

$741Est. Price/Sq.Ft.

2 car garageParking

Listed by John McAtee • New England Land Company

Bought with Philip Monahan • New England Land Company

Redfin checked: 3 minutes ago

•Source:GMLS #42879

Redfin Estimate

$4,370,597

$2.8M since sold in December 1999$193K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 48.2% higher than the average sale price ($2.95M) of 6 comparable homes.

SOLD AUG 6, 2026
$3,195,500
A
4 beds4.5 baths4,113 sq ft
14 Upland Dr, Greenwich, CT 06831
SOLD AUG 31, 2026
$2,200,000
B
4 beds4 baths3,986 sq ft
14 Rockland Pl, Greenwich, CT 06831
SOLD JUL 13, 2026
$2,400,000
C
5 beds3.5 baths3,023 sq ft
35 Deep Gorge Rd, Greenwich, CT 06831
SOLD DEC 5, 2025
$4,600,000
D
4 beds5 baths5,244 sq ft
34 Edgewood Dr, Greenwich, CT 06831
SOLD AUG 3, 2026
$2,050,000
E
4 beds3.5 baths4,786 sq ft
17 Magnolia Dr, Rye Brook, NY 10573
Listing by Christie's Int. Real Estate
SOLD AUG 21, 2026
$3,250,000
F
4 beds3.5 baths3,877 sq ft
96 Brookside Dr, Greenwich, CT 06831

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Earn from this home

Sell

$3,905,640

Est. take-home

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Refinance

Est. cash available

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Rent

$4,798/mo

Redfin rental estimate

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Market trends in 06831, CT

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

104.0%

+0.3% MoM

Median sale price

$2.8M

$247K MoM

Avg. days on market

34d

2 days MoM

Recently sold homes

13 MoM

New listings for sale

NEW 15 HRS AGO
$4,500,000
5 beds5.5 baths6,134 sq ft
18 Sidney Lanier Ln, Greenwich, CT 06831
NEW 27 HRS AGO
$1,450,000
5 beds6 baths3,752 sq ft
14 Lucy St, Greenwich, CT 06831
$1,150,000
2 beds2.5 baths1,750 sq ft
8 Greenwich Hills Dr #8, Greenwich, CT 06831
$4,500,000
5 beds5.5 baths4,937 sq ft
74 Glenville Rd, Greenwich, CT 06831
$995,000
3 beds2 baths1,072 sq ft
10 Homestead Rd, Greenwich, CT 06831
$1,850,000
3 beds4 baths2,514 sq ft
16 Hawthorne St S Unit A, Greenwich, CT 06831
See all

Provided by Redfin

Sale history for 21 Alden Rd

Year

Property tax

Land + Additions

Assessment*

2023

$21,337 (+1.0%)

$704,200 + $1,169,140

$1,873,340

2022

$21,131 (−23.8%)

$704,200 + $1,169,140

$1,873,340

2021

$27,744

$636,930 + $1,756,860

$2,393,790

2020

$27,744 (−0.8%)

$636,930 + $1,756,860

$2,393,790

2019

$27,959 (+2.7%)

$636,930 + $1,756,860

$2,393,790

2018

$27,217 (+9.4%)

$636,930 + $1,756,860

$2,393,790

2017

$24,884 (+9.6%)

$636,930 + $1,551,620

$2,188,550

2016

$22,701 (+21.8%)

$631,750 + $1,395,100

$2,026,850

2014

$18,645

$993,160 + $706,510

$1,699,670

Tax history for 21 Alden Rd

Year

Property tax

Land + Additions

Assessment*

2023

$21,337 (+1.0%)

$704,200 + $1,169,140

$1,873,340

2022

$21,131 (−23.8%)

$704,200 + $1,169,140

$1,873,340

2021

$27,744

$636,930 + $1,756,860

$2,393,790

2020

$27,744 (−0.8%)

$636,930 + $1,756,860

$2,393,790

2019

$27,959 (+2.7%)

$636,930 + $1,756,860

$2,393,790

2018

$27,217 (+9.4%)

$636,930 + $1,756,860

$2,393,790

2017

$24,884 (+9.6%)

$636,930 + $1,551,620

$2,188,550

2016

$22,701 (+21.8%)

$631,750 + $1,395,100

$2,026,850

2014

$18,645

$993,160 + $706,510

$1,699,670

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Public record

Beds

Baths

5.5

Stories

Lot width

—

Lot depth

—

Lot size

1.25 Acres

Year renovated

—

Sq. Ft.

7,026

Year built

1975

Style

Single Family Residential

County

Fairfield County

APN

1843570

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 13, 2023.

Property details

Parking

Parking and Garage Information
Has Garage
# of Garage Spaces: 2

Interior

Bathroom Information
# of Full Bathrooms: 5
# of Half Bathrooms: 1
Bathrooms Total Integer: 6
Bathrooms Total Decimal: 5.5

Heating & Cooling
Has Cooling
Cooling: Central A/C
Has Heating
Heating: Forced Air, Natural Gas

Interior Features
Interior Features: Central Vacuum, Sauna, Entrance Foyer
Has Fireplace(s)
# of Fireplaces Total: 4

Exterior

Exterior Features
Private Pool

Property Information
Property Sub-Type: Single Family Residence
Year Built: 1975
Year Built Effective: 1985
Roof: Wood
Construction Materials: Wood Siding
Security Features: Security System
Building Area Total: 5895.0
Building Area Source: Taxcard

Lot Information
On Waterfront
Waterfront Features: Pond/Lake, Waterviews
Lot Size Area: 1.25
Lot Size Units: Acres
Lot Size Square Feet: 54450.0
Lot Size Acres: 1.25
Zoning: RA-1

Financial

Tax Information
Tax Annual Amount: $17,313
Tax Assessed Value: $978,110

Utilities

Utilities Information
Utilities: Cable Connected
Sewer: Septic Tank
Water Source: Public

Location

School Information
Elementary School: Glenville
Middle Or Junior School: Western

Public facts

Beds: 5
Baths: 5.5
Sq. Ft.: 7,026
Stories: 2.0
Lot Size: 1.25 acres
Style: Single Family Residential
Year Built: 1975
Year Renovated: —
County: Fairfield County
APN: 1843570

Home facts updated by county records on Jul 12, 2023

Around this home

Schools

Glenville School

Public K-5 • Assigned • 1.4mi

9/10

Western Middle School

Public 6-8 • Assigned • 0.8mi

8/10

Greenwich High School

Public 9-12 • Assigned • 2.3mi

10/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

5/10 Heat Factor

7 days above 98° expected this year, 15 days in 30 years

6/10 Wind Factor

64% chance of strong winds in next 30 years

6/10 Air Factor

9 unhealthy days expected this year, 13 days in 30 years

Provided by First Street

Historical weather

Greenwich, CT • 06831

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 8.7 hours in June and 4.3 hours in December, placing it below the U.S. average for solar exposure.

8.7 hrs

4.3 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$4.15M – $5.03M

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Nearby similar homes

NEW 15 HRS AGO

$4,500,000

5 beds5.5 baths6,134 sq ft

18 Sidney Lanier Ln, Greenwich, CT 06831

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111 Byram Shore Rd, Greenwich, CT 06830

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Mike Parelli Real Estate LLC

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2 beds— baths— sq ft

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Mike Parelli Real Estate LLC

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New listings for sale in 06831

NEW 15 HRS AGO

$4,500,000

5 beds5.5 baths6,134 sq ft

18 Sidney Lanier Ln, Greenwich, CT 06831

NEW 27 HRS AGO

$1,450,000

5 beds6 baths3,752 sq ft

14 Lucy St, Greenwich, CT 06831

$1,150,000

2 beds2.5 baths1,750 sq ft

8 Greenwich Hills Dr #8, Greenwich, CT 06831

$4,500,000

5 beds5.5 baths4,937 sq ft

74 Glenville Rd, Greenwich, CT 06831

$995,000

3 beds2 baths1,072 sq ft

10 Homestead Rd, Greenwich, CT 06831

$1,850,000

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Home values near 21 Alden Rd

Data from public records.

Address	Redfin Estimate
11 Alden Rd, Greenwich, CT 6 Beds \| 5.5 Baths \| 6987 Sq. Ft.	$4,845,367
26 Alden Rd, Greenwich, CT 4 Beds \| 4.5 Baths \| 4312 Sq. Ft.	$3,862,655

Address	Redfin Estimate
10 Alden Rd, Greenwich, CT 6 Beds \| 4.5 Baths \| - Sq. Ft.	$6,273,705
17 Alden Rd, Greenwich, CT 5 Beds \| 5.5 Baths \| 7993 Sq. Ft.	$5,631,688

Address	Redfin Estimate
7 Alden Rd, Greenwich, CT 5 Beds \| 5 Baths \| 4648 Sq. Ft.	$3,613,456
28 Alden Rd, Greenwich, CT 5 Beds \| 5.5 Baths \| 6918 Sq. Ft.	$4,782,445

Property information provided by GMLS when last listed in 1999. This data may not match . Learn more.

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