Off Market Sep 2000 for $2.8M

$6,729,815

Est. refi paymentEst. refi $18,504/mo

•

9,500

sq ft

21 Hillside Rd, Greenwich, CT 06830

About this home

MAGNIF SOUTHERN COLONIAL W/ EXQUISITE DETAILS ON 3.79 ACRES OF LAND, CLOSE TO TOWN. OVERSIZED ROOMS, HIGH CEILINGS, FRONT TO BACK CENTERHALL & GRAND STAIRCASE. LOVELY COLUMNED PORCHES & BALCONIES W/ FRENCH DOORS FROM MOST OF THE MAJOR ROOMS. SPECTACULAR ART STUDIO FR ON 3RD FLR. UNBELIEVABLE STORAGE ROOMS-A TRULY GRACIOUS HOUSE W/ GREAT PRIVACY & STYLE. 3 ROOM SUITE W/ PRIVATE ENTRANCE ON LL. J-2,3.

Single-familyProperty Type

1906Year Built

3.79 acresLot Size

$708Est. Price/Sq.Ft.

2 car garageParking

Listed by Janie Galbreath • Round Hill Partners

Bought with Renee Gallagher • Round Hill Partners

Redfin checked: 2 minutes ago

•Source:GMLS #44907

Redfin Estimate

$6,729,815

$3.9M since sold in September 2000$134K since July

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 35.6% higher than the average sale price ($4.96M) of 6 comparable homes.

SOLD JUN 22, 2026
$6,750,000
A
6 beds7.5 baths7,292 sq ft
105 Woodside Dr, Greenwich, CT 06830
SOLD DEC 15, 2025
$5,250,000
B
5 beds5.5 baths7,569 sq ft
50 North St, Greenwich, CT 06830
SOLD APR 8, 2026
$6,200,000
C
6 beds7 baths5,762 sq ft
364 Cedar Hl, Greenwich, CT 06830
SOLD AUG 6, 2026
$4,450,000
D
6 beds5 baths6,012 sq ft
17 Kenilworth Ter, Greenwich, CT 06830
SOLD JUL 15, 2002
$2,975,000
E
5 beds5.5 baths4,866 sq ft
44 W Brother Dr, Greenwich, CT 06830
SOLD SEP 15, 2025
$4,150,000
F
6 beds6.5 baths5,542 sq ft
296 Old Church Rd, Greenwich, CT 06830

Claim this home to receive a free report every month with insights on the changing estimate.

Earn from this home

Sell

$5,842,439

Est. take-home

List your home with Redfin and save $67,298

Refinance

Est. cash available

Get cash now or lower your monthly rate

Rent

$8,720/mo

Redfin rental estimate

List your home for rent

Market trends in 06830, CT

Last updated July 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

101.5%

+1.5% MoM

Median sale price

$2.9M

$299K MoM

Avg. days on market

32d

0 days MoM

Recently sold homes

18 MoM

New listings for sale

$985,000
1 bed1.5 baths1,007 sq ft
11 Lafayette Ct Unit 5A, Greenwich, CT 06830
OPEN SUN, 1PM TO 4PM
$1,475,000
3 beds2.5 baths— sq ft
145 Putnam Park #145, Greenwich, CT 06830
$1,249,000
4 beds2 baths2,228 sq ft
22 Lyon Ave, Greenwich, CT 06830
OPEN SUN, 1PM TO 3PM
$999,000
3 beds2.5 baths1,664 sq ft
21 Byram Rd, Greenwich, CT 06830
See all

Provided by Redfin

Sale history for 21 Hillside Rd

Year

Property tax

Land + Additions

Assessment*

2023

$25,753 (−2.1%)

$1,025,290 + $1,235,710

$2,261,000

2022

$26,317 (+9.0%)

$1,025,290 + $1,307,740

$2,333,030

2021

$24,146

$776,090 + $1,307,250

$2,083,340

2020

$24,146 (−0.8%)

$776,090 + $1,307,250

$2,083,340

2019

$24,333 (+2.7%)

$776,090 + $1,307,250

$2,083,340

2018

$23,688

$776,090 + $1,307,250

$2,083,340

2017

$23,688 (+1.5%)

$776,090 + $1,307,250

$2,083,340

2016

$23,333 (+11.7%)

$776,090 + $1,307,250

$2,083,340

2014

$20,885

$1,067,220 + $836,570

$1,903,790

Tax history for 21 Hillside Rd

Year

Property tax

Land + Additions

Assessment*

2023

$25,753 (−2.1%)

$1,025,290 + $1,235,710

$2,261,000

2022

$26,317 (+9.0%)

$1,025,290 + $1,307,740

$2,333,030

2021

$24,146

$776,090 + $1,307,250

$2,083,340

2020

$24,146 (−0.8%)

$776,090 + $1,307,250

$2,083,340

2019

$24,333 (+2.7%)

$776,090 + $1,307,250

$2,083,340

2018

$23,688

$776,090 + $1,307,250

$2,083,340

2017

$23,688 (+1.5%)

$776,090 + $1,307,250

$2,083,340

2016

$23,333 (+11.7%)

$776,090 + $1,307,250

$2,083,340

2014

$20,885

$1,067,220 + $836,570

$1,903,790

*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

Stories

Lot width

—

Lot depth

—

Lot size

2.44 Acres

Year renovated

—

Sq. Ft.

7,256

Year built

1906

Style

Single Family Residential

County

Fairfield County

APN

1849541

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: 6
# of Half Bathrooms: 1
Bathrooms Total Integer: 7
Bathrooms Total Decimal: 6.5

Heating & Cooling
Cooling: None
Has Heating
Heating: Hot Water, Natural Gas

Interior Features
Interior Features: Eat-in Kitchen, Back Stairs
Has Fireplace(s)
# of Fireplaces Total: 4
Basement: Partial

Exterior

Exterior Features
Patio And Porch Features: Terrace
Private Pool

Property Information
Property Sub-Type: Single Family Residence
Year Built: 1906
Year Built Effective: 1990
Roof: Asphalt
Security Features: Security System
Building Area Total: 9500.0

Lot Information
Lot Features: Meadow, Rolling
Lot Size Area: 3.79
Lot Size Units: Acres
Lot Size Square Feet: 165092.4
Lot Size Acres: 3.79
Zoning: RA-1

Financial

Tax Information
Tax Annual Amount: $12,860
Tax Assessed Value: $709,730

Utilities

Utilities Information
Sewer: Septic Tank
Water Source: Public

Location

School Information
Elementary School: North Street
Middle Or Junior School: Central

Public facts

Beds: 6
Baths: 5.0
Sq. Ft.: 7,256
Stories: 3.0
Lot Size: 2.44 acres
Style: Single Family Residential
Year Built: 1906
Year Renovated: —
County: Fairfield County
APN: 1849541

Home facts updated by county records on Jul 12, 2023

Around this home

Schools

North Street School

Public PreK-5 • Assigned • 1.3mi

9/10

Central Middle School

Public 6-8 • Assigned • 0.6mi

8/10

Greenwich High School

Public 9-12 • Assigned • 0.2mi

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

6/10 Heat Factor

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

6/10 Wind Factor

67% 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 • 06830

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

$6.39M – $7.74M

Reach more buyers when you sell with Redfin. Save up to $67,298 in fees. 3 minutes to get started.

Get a free, detailed breakdown of how we calculated your estimate.

Nearby similar homes

OPEN SUN, 1PM TO 4PM3D WALKTHROUGH

$1,475,000

3 beds2.5 baths— sq ft

145 Putnam Park #145, Greenwich, CT 06830

$5,850,000

5 beds6 baths4,946 sq ft

21 Pecksland Rd, Greenwich, CT 06831

$19,950,000

8 beds10.5 baths14,071 sq ft

8 Fox Run Ln, Greenwich, CT 06831

$1,499,000

4 beds2.5 baths1,750 sq ft

5 Griffith Rd, Riverside, CT 06878

$5,495,000

3 beds4 baths5,304 sq ft

135 & 129 Zaccheus Mead Ln, Greenwich, CT 06831

$1,340,000

3 beds2.5 baths1,668 sq ft

86 Sound Beach Ave Ext, Riverside, CT 06878

New listings for sale in 06830

$985,000

1 bed1.5 baths1,007 sq ft

11 Lafayette Ct Unit 5A, Greenwich, CT 06830

OPEN SUN, 1PM TO 4PM3D WALKTHROUGH

$1,475,000

3 beds2.5 baths— sq ft

145 Putnam Park #145, Greenwich, CT 06830

$1,249,000

4 beds2 baths2,228 sq ft

22 Lyon Ave, Greenwich, CT 06830

OPEN SUN, 1PM TO 3PM

$999,000

3 beds2.5 baths1,664 sq ft

21 Byram Rd, Greenwich, CT 06830

Home values near 21 Hillside Rd

Data from public records.

Address	Redfin Estimate
33 Hillside Road, Greenwich, CT 7 Beds \| 4.5 Baths \| 3439 Sq. Ft.	$3,011,475
11 Hillside Road, Greenwich, CT 6 Beds \| 4 Baths \| 4510 Sq. Ft.	$4,605,795

Address	Redfin Estimate
37 Hillside Road, Greenwich, CT 7 Beds \| 7 Baths \| 7646 Sq. Ft.	$7,483,591
25 Hillside Road, Greenwich, CT 4 Beds \| 4 Baths \| 5783 Sq. Ft.	$4,939,422

Address	Redfin Estimate
29 Hillside Road, Greenwich, CT 7 Beds \| 9 Baths \| 15710 Sq. Ft.	$9,539,600
43 Hillside Road, Greenwich, CT 5 Beds \| 4.5 Baths \| 4503 Sq. Ft.	—

Property information provided by GMLS when last listed in 2000. This data may not match . Learn more.

More real estate resources

Neighborhoods
Zip Codes
Minor Civil Divisions
Cities
Popular Searches

Central Greenwich homes for sale

Download the Redfin App on the Apple App Store

Download the Redfin App from the Google Play Store

Join us

Become an Agent

Get referrals

Careers

Find homes faster

About us

Find us

Subsidiaries

Affiliated Business

Countries

United States

Canada

Updated September 2025: By searching, you agree to the Terms of Use, and Privacy Policy.

Do not sell or share my personal information.

REDFIN and all REDFIN variants, WALK SCORE, and the R logos, are trademarks of Redfin Corporation, registered or pending in the USPTO.

California DRE #01521930

Redfin is licensed to do business in New York as Redfin Real Estate. NY Standard Operating Procedures

New Mexico Real Estate Licenses

TREC: Info About Brokerage Services, Consumer Protection Notice

All mortgage lending products and information are provided by Rocket Mortgage, LLC | NMLS #3030; www.NMLSConsumerAccess.org. Licensed in 50 states. This site is not authorized by the New York State Department of Financial Services for mortgage solicitation or loan applications activities related to properties located in the State of New York.

Redfin Corporation is an affiliated business of Rocket Limited Partnership. Each company, and their subsidiaries, are separate legal entities operated and managed through its own management and governance structures.

If you are using a screen reader, or having trouble reading this website, please call Redfin Customer Support for help at 1-844-759-7732.

REDFIN IS COMMITTED TO AND ABIDES BY THE FAIR HOUSING ACT AND EQUAL OPPORTUNITY ACT. READ REDFIN'S FAIR HOUSING POLICY AND THE NEW YORK STATE FAIR HOUSING NOTICE.

GreatSchools Ratings provided by GreatSchools.org.

06830 homes for sale
06902 homes for sale
10573 homes for sale
10604 homes for sale
10580 homes for sale

Wilton homes for sale
Teaneck Township homes for sale
Weston homes for sale
Fairfield homes for sale
New Canaan homes for sale

Houses for rent in Greenwich	Agents near me	Norwalk, CT homes for sale	Greenwich Housing Market
Houses for sale near me	Greenwich, CT homes for sale	New Haven, CT homes for sale
Land for sale near me	Stamford, CT homes for sale	Milford, CT homes for sale
Open Houses near me	West Hartford, CT homes for sale	Greenwich Property Records
Condos for sale near me	Westport, CT homes for sale	CT New Listings

Manhattan homes for sale
New York homes for sale
Stamford homes for sale