Off market jan 2023 for $9.6M

$10,936,258

Est. refi paymentEst. refi $36,693/mo

•

10,370

sq ft

428 Round Hill Rd, Greenwich, CT 06831

About this home

This gated Greenwich estate on 4 pastoral acres in the heart of Round Hill boasts endless options for lifestyle and entertaining. Over 10,000 SF of beautifully appointed rooms features a Pool, Tennis Court & 2 Bedroom Guest/Pool House in a private setting. Traditional charm abounds in this magnificent house with exquisite detailing, 11' ceilings, wide width planked floors & 7 fireplaces. Gorgeous large living room + dining room with French doors, paneled library with wet bar, amazing Adirondack room with vaulted ceiling, walls of French doors and large stone hearth fireplace. Country eatin kitchen with breakfast room + adjacent family room with fireplace and a large office. Lovely 4 season Solarium. Beautiful first floor guest suite with terrace. Sumptuous Primary Suite with office, h/h baths & dressing rooms. 6 Ensuite double bedrooms. Outdoor living with open + covered terraces offer incredible privacy. Fantastic lifestyle. Additional Information: Amenities:Dressing Area,Guest Quarters,Soaking Tub,Storage,Tennis,HeatingFuel:Oil Above Ground,ParkingFeatures:3 Car Attached,

Single-familyProperty Type

1992Year Built

$1,055Est. Price/Sq.Ft.

3 car garageParking

Listed by Amanda Bates • Houlihan Lawrence Inc.

Contact: (203) 869-0700

Bought with Non Non Member-MLS • Buyer Representation Office

Redfin checked: 2 minutes ago

•Source:OneKey® MLS as Distributed by MLS Grid #H6190499

Redfin Estimate

$10,936,258

$1.3M since sold in January 2023$1.1M since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 71% higher than the average sale price ($6.40M) of 6 comparable homes.

SOLD SEP 1, 2026
$4,000,000
A
5 beds7 baths6,216 sq ft
55 Will Merry Ln, Greenwich, CT 06831
SOLD JUN 16, 2026
$4,650,000
B
5 beds6 baths8,752 sq ft
43 Richmond Hill Rd, Greenwich, CT 06831
SOLD AUG 31, 2026
$8,500,000
C
7 beds8.5 baths13,974 sq ft
170 Old Mill Rd, Greenwich, CT 06831
SOLD JUL 13, 2026
$8,355,000
D
5 beds9 baths8,932 sq ft
22 Partridge Hill Ln, Greenwich, CT 06831
SOLD MAR 10, 2026
$4,500,000
E
5 beds5.5 baths6,150 sq ft
10 Wyckham Hill Ln, Greenwich, CT 06831
SOLD MAY 1, 2026
$8,372,500
F
6 beds7.5 baths9,113 sq ft
13 Wyckham Hill Ln, Greenwich, CT 06831

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Earn from this home

Sell

$3,160,432

Est. take-home

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Refinance

Est. cash available

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Market trends in 06831, CT

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

103.0%

0.9% MoM

Median sale price

$2.7M

$174K MoM

Avg. days on market

31d

3 days MoM

Recently sold homes

6 MoM

New listings for sale

NEW 10 HRS AGO
$2,350,000
3 beds3 baths2,717 sq ft
7 Flower Ln, Greenwich, CT 06831
$34,995,000
5 beds7.5 baths14,131 sq ft
14 Meadow Ln, Greenwich, CT 06831
COMING SOON
$749,000
2 beds2 baths911 sq ft
2 Homestead Ln #407, Greenwich, CT 06831
$29,900,000
6 beds6.5 baths6,910 sq ft
500 Round Hill Rd, Greenwich, CT 06831
VIDEO TOUR
$30,000,000
5 beds6 baths6,595 sq ft
38-48-58 Quaker Ln, Greenwich, CT 06831
$21,950,000
7 beds9.5 baths11,229 sq ft
11 Skyridge Rd, Greenwich, CT 06831
3D WALKTHROUGH
$6,850,000
8 beds10.5 baths11,300 sq ft
273 Riversville Rd, Greenwich, CT 06831
$1,750,000
4 beds3 baths2,282 sq ft
20 Thistle Ln, Greenwich, CT 06831
3D WALKTHROUGH
$3,100,000
5 beds3.5 baths3,791 sq ft
90 Taconic Rd, Greenwich, CT 06831
$2,895,000
5 beds5 baths8,562 sq ft
246 E Middle Patent Rd, Greenwich, CT 06831
See all

Provided by Redfin

Sale history for 428 Round Hill Rd

Date

Event

Price

OneKey® MLS as Distributed by MLS Grid #H6190499

Jan 31, 2023

Sold

$9,600,000

$926/sq ft

Nov 10, 2022

Pending

—

Sep 6, 2022

Price Changed

$10,200,000

$984/sq ft

Jul 5, 2022

Price Changed

$10,800,000

$1,041/sq ft

Jun 7, 2022

Listed

$11,500,000

$1,109/sq ft

GMLS #115743

Jan 31, 2023

Sold

$9,600,000

$926/sq ft

Oct 24, 2022

Pending

—

Oct 12, 2022

Contingent

—

Oct 12, 2022

Pending

—

Sep 6, 2022

Price Changed

$10,200,000

$984/sq ft

Jul 5, 2022

Price Changed

$10,800,000

$1,041/sq ft

May 11, 2022

Listed

$11,500,000

$1,109/sq ft

+32

SUNNING HILL - Gated Greenwich estate on 4 pastoral acres with spectacular western views in the heart of Round Hill. Over 10,000 SF with 8 ensuite brms. Plus a 2 brm guest house. Htd Pool + Tennis Court in a beautiful private setting. This extraordinary custom home boasts 11' ceilings, wide width planked floors & 7 FPs. Gorgeous large LR & DR w Fr doors, paneled LIB w wet bar, Magnificent Adirondack rm w vaulted ceil, walls of FR drs and tall stone hearth FP. Country EIK w brkfst rm & adj FR w FP & a lge off. Lovely 4 season Solarium. Beautiful first floor guest ste w terrace. Sumptuous Primary Ste w office, h/h baths & dressing rms. Outdoor living w expansive wrap around open + covered terraces offer incredible privacy. Enjoy a fun & fabulous lifestyle for all ages at this gorgeous home.

GMLS #37405

Jun 15, 1998

Sold

$6,000,000

$579/sq ft

May 7, 1997

Listed

$6,795,000

$655/sq ft

GMLS #34825

May 6, 1997

Sold

—

May 6, 1996

Listed

$8,500,000

$820/sq ft

Public Records

Jun 10, 1992

Sold

$1,250,000

$121/sq ft

Year

Property tax

Land + Additions

Assessment*

2023

$70,842 (+1.0%)

$1,415,190 + $4,804,450

$6,219,640

2022

$70,158 (+1.2%)

$1,415,190 + $4,804,450

$6,219,640

2021

$69,347

$1,230,600 + $4,752,720

$5,983,320

2020

$69,347 (−0.8%)

$1,230,600 + $4,752,720

$5,983,320

2019

$69,885 (+2.7%)

$1,230,600 + $4,752,720

$5,983,320

2018

$68,030

$1,230,600 + $4,752,720

$5,983,320

2017

$68,030 (+1.5%)

$1,230,600 + $4,752,720

$5,983,320

2016

$67,013 (+11.5%)

$1,230,600 + $4,752,720

$5,983,320

2014

$60,122

$1,367,940 + $4,112,640

$5,480,580

Tax history for 428 Round Hill Rd

Year

Property tax

Land + Additions

Assessment*

2023

$70,842 (+1.0%)

$1,415,190 + $4,804,450

$6,219,640

2022

$70,158 (+1.2%)

$1,415,190 + $4,804,450

$6,219,640

2021

$69,347

$1,230,600 + $4,752,720

$5,983,320

2020

$69,347 (−0.8%)

$1,230,600 + $4,752,720

$5,983,320

2019

$69,885 (+2.7%)

$1,230,600 + $4,752,720

$5,983,320

2018

$68,030

$1,230,600 + $4,752,720

$5,983,320

2017

$68,030 (+1.5%)

$1,230,600 + $4,752,720

$5,983,320

2016

$67,013 (+11.5%)

$1,230,600 + $4,752,720

$5,983,320

2014

$60,122

$1,367,940 + $4,112,640

$5,480,580

*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

4.04 Acres

Year renovated

—

Sq. Ft.

—

Year built

—

Style

Other

County

Fairfield County

APN

1847758

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 13, 2023.

Property details

Parking

Parking Information
Parking Total: 3
Parking Features: Attached, Driveway, Garage Door Opener, Garage, Private

Garage Information
Garage Spaces: 3
Has Garage

Interior

Fireplace Information
Has Fireplace
Fireplaces Total: 7

Heating & Cooling
Cooling: Central Air
Heating: Forced Air, Oil, Propane

Interior Features
Interior Features: Cathedral Ceiling(s),Chefs Kitchen,Double Vanity,Eat-in Kitchen,Entrance Foyer,Formal Dining,First Floor Bedroom,High Ceilings,Primary Bathroom,Open Kitchen,Pantry,Walk-In Closet(s),Wet Bar,Walk Through Kitchen
Window Features: Blinds, Double Pane Windows, Drapes, Screens
Laundry Features: Inside
Appliances: Dishwasher, Dryer, Freezer, Microwave, Refrigerator, Washer
Flooring: Hardwood
Levels: Three Or More
Patio And Porch Features: Deck, Terrace

Room Information
Basement YN: Yes
Attic: Finished,Partial,Walkup
Rooms Total: 24
Basement: Full, Unfinished
Additional Rooms: Dining Area,Library/Den

Bathroom Information
Bathrooms Full: 8
Bathrooms Half: 9

Exterior

Exterior Features
Exterior Features: Courtyard, Mailbox
Construction Materials: Shingle Siding
Other Structures: Outbuilding
Security Features: Security Gate, Security System
Waterfront YN: No

Pool Information
Pool Features: In Ground

Lot Information
Additional Parcels YN: No
Lot Features: Level, Near Public Transit, Near School, Near Shops, Sprinklers In Front, Sprinklers In Rear, Views

Property Information
Stories: 3
Other Equipment: Generator, Pool Equip/Cover
Living Area Source: Public Records
Property Sub Type: Single Family Residence

Financial

Tax Information
Tax Year: 2022
Tax Source: Municipality
Tax Annual Amount: $70,158

Financial Information
Buyer Financing: Other

Utilities

Utility Information
Sewer: Septic Tank
Utilities: Trash Collection Private

Location

HOA Information
Association Amenities: Park

School Information
Elementary School: Contact Agent
Middle Or Junior School: Greenwich Junior-Senior High School
High School: Greenwich Junior-Senior High School
High School District: Greenwich

Location Information
Village: Greenwich
County Or Parish: Out of Area

Community Information
Community Features: Park, Tennis Court(s)

Public facts

Beds: —
Baths: —
Sq. Ft.: —
Stories: —
Lot Size: 4.04 acres
Style: Other
Year Built: —
Year Renovated: —
County: Fairfield County
APN: 1847758

Home facts updated by county records on Jul 12, 2023

Around this home

Schools

Parkway School

Public K-5 • Assigned • 1.1mi

10/10

Western Middle School

Public 6-8 • Assigned • 6.2mi

8/10

Greenwich High School

Public 9-12 • Assigned • 5.0mi

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

3/10 Fire Factor

0.31% chance of being 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

27% chance of strong winds in next 30 years

4/10 Air Factor

5 unhealthy days expected this year, 7 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

Try the sun simulator tool to see how light moves across the property at different times of day and year.

Provided by Shadowmap

Estimated sale price

$10.39M – $12.58M

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Nearby similar homes

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NEW CONSTRUCTION

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New listings for sale in 06831

NEW 10 HRS AGO

$2,350,000

3 beds3 baths2,717 sq ft

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$34,995,000

5 beds7.5 baths14,131 sq ft

14 Meadow Ln, Greenwich, CT 06831

COMING SOON

$749,000

2 beds2 baths911 sq ft

2 Homestead Ln #407, Greenwich, CT 06831

$29,900,000

6 beds6.5 baths6,910 sq ft

500 Round Hill Rd, Greenwich, CT 06831

VIDEO TOUR

$30,000,000

5 beds6 baths6,595 sq ft

38-48-58 Quaker Ln, Greenwich, CT 06831

$21,950,000

7 beds9.5 baths11,229 sq ft

11 Skyridge Rd, Greenwich, CT 06831

3D WALKTHROUGH

$6,850,000

8 beds10.5 baths11,300 sq ft

273 Riversville Rd, Greenwich, CT 06831

$1,750,000

4 beds3 baths2,282 sq ft

20 Thistle Ln, Greenwich, CT 06831

3D WALKTHROUGH

$3,100,000

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Home values near 428 Round Hill Rd

Data from public records.

Address	Redfin Estimate
444 Round Hill Rd, Greenwich, CT 5 Beds \| 8 Baths \| 9495 Sq. Ft.	$6,737,042
434 Round Hill Rd, Greenwich, CT 6 Beds \| 4.5 Baths \| 6467 Sq. Ft.	$7,027,969

Address	Redfin Estimate
415 Round Hill Rd, Greenwich, CT 5 Beds \| 5 Baths \| 5725 Sq. Ft.	$5,915,832
449 Round Hill Rd, Greenwich, CT 6 Beds \| 8 Baths \| 10123 Sq. Ft.	$9,195,304

Address	Redfin Estimate
409 Round Hill Rd, Greenwich, CT 5 Beds \| 5.5 Baths \| 5472 Sq. Ft.	$7,817,255
414 Round Hill Rd, Greenwich, CT 6 Beds \| 8 Baths \| 12293 Sq. Ft.	$12,488,609

Property information provided by OneKey® MLS as Distributed by MLS Grid when last listed in 2022. This data may not match . Learn more.

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