Sold on jun 2026

$2,050,000

•

2,074

sq ft

31 Thornhill Rd, Riverside, CT 06878

Track this home’s value and nearby sales activity

About this home

Welcome to 31 Thornhill Rd in Greenwich's Riverside neighborhood, a renovated home that feels like new and is backed by a new construction warranty. Rebuilt from the ground up, the property features a reinforced foundation, all new framing and walls, plus a new roof and siding for long-term peace of mind. Inside, enjoy wide white oak floors, a custom kitchen, and a Viking appliance package designed for both everyday living and entertaining. Efficiency and comfort are enhanced with spray foam and soundproof insulation, natural gas heat, a new heating and cooling system, and Davinci aluminum-clad windows with energy-efficient glass. The home is smart-home pre-wired with Control4 automation and built-in speakers. Outdoor living includes a private patio and deck, automated sprinkler system, and garage parking, completing this thoughtfully rebuilt and move-in ready residence.

Single-familyProperty Type

1948Year Built

7,840 sq ftLot Size

$988Price/Sq.Ft.

1 garage spacesParking

Seller's agent

Frank Dong Licensed Real Estate SalespersonRedfin Corporation

Seller's agent

Ken Wile Licensed Associate Real Estate BrokerRedfin Corporation

Contact: Agent Attribution Contact: (914) 564-5748 | Office Attribution Contact: (203) 349-8711

Bought with Kristin Nemec • William Pitt Sotheby's Int'l

Source:Smart MLS #24159022

Redfin Estimate

$2,420,491

$370K since sold in June 2026$75K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 13.4% higher than the average sale price ($2.13M) of 6 comparable homes.

SOLD SEP 2, 2026
$2,525,000
A
4 beds3 baths2,648 sq ft
26 Linwood Ave, Riverside, CT 06878
SOLD OCT 15, 2025
$1,850,000
B
4 beds4 baths2,400 sq ft
36 Cary Rd, Riverside, CT 06878
SOLD AUG 17, 2026
$1,530,000
C
4 beds3 baths2,720 sq ft
4 Cos Cob Ave, Cos Cob, CT 06807
SOLD MAR 27, 2026
$2,200,000
D
4 beds3.5 baths2,424 sq ft
29 Sound Beach Ave, Old Greenwich, CT 06870
SOLD JUL 8, 2026
$2,450,000
E
4 beds3.5 baths3,074 sq ft
34 Macarthur Dr, Old Greenwich, CT 06870
SOLD APR 3, 2026
$2,250,000
F
4 beds3.5 baths2,641 sq ft
23 Westview Pl, Riverside, CT 06878

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Market trends in 06878, CT

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

111.4%

+1.3% MoM

Median sale price

$3.8M

$144K MoM

Avg. days on market

15d

1 days MoM

Recently sold homes

5 MoM

New listings for sale

OPEN SUN, 11AM TO 1PM
$1,699,000
5 beds2 baths2,047 sq ft
25 Westview Pl, Riverside, CT 06878
OPEN SUN, 12:30PM TO 2:30PM
$1,900,000
3 beds1.5 baths1,458 sq ft
15 Lakeview Dr, Riverside, CT 06878
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Rental estimate

Est. $7,998 per month, based on comparable rentals

Sale and tax history for 31 Thornhill Rd

Sale History
Tax History

Date

Event

Price

GMLS #124484

Jun 16, 2026

Sold

$2,050,000

$988/sq ft

Apr 23, 2026

Pending

—

Apr 10, 2026

Relisted

—

Mar 12, 2026

Listed

$2,100,000

$1,013/sq ft

+27

Welcome to 31 Thornhill Rd in Greenwich's Riverside neighborhood, a renovated home that feels like new and is backed by a new construction warranty. Rebuilt from the ground up, the property features a reinforced foundation, all new framing and walls, plus a new roof and siding for long-term peace of mind. Inside, enjoy wide white oak floors, a custom kitchen, and a Viking appliance package designed for both everyday living and entertaining. Efficiency and comfort are enhanced with spray foam and soundproof insulation, natural gas heat, a new heating and cooling system, and Davinci aluminum-clad windows with energy-efficient glass. The home is smart-home pre-wired with Control4 automation and an automated sprinkler system, completing this thoughtfully rebuilt and move-in ready residence.

Smart MLS #24159022

Jun 15, 2026

Sold

$2,050,000

$988/sq ft

Apr 23, 2026

Pending

—

Apr 13, 2026

Listing Removed

—

Apr 10, 2026

Relisted

—

Mar 30, 2026

Listing Removed

—

Mar 27, 2026

Relisted

—

Mar 16, 2026

Listing Removed

—

Mar 12, 2026

Listed

$2,100,000

$1,013/sq ft

GMLS #114346

Mar 31, 2022

Sold

$1,750,000

$844/sq ft

Feb 18, 2022

Pending

—

Dec 16, 2021

Price Changed

$1,680,000

$810/sq ft

Oct 30, 2021

Price Changed

$1,780,000

$858/sq ft

Sep 23, 2021

Listed

$1,795,000

$865/sq ft

+27

31 Thornhill Greenwich CT Riverside . .. Riverside offers easy commute, beaches and parks, shops, town community life, one of the best schools districts in the area. This home has been renovated from scratch and still under new construction limited warranty. New constructions offers: Foundation reinforced, new walls, new floor system, new framing, new siding, new roof, new heating and cooling system, spray foam insulation, natural gas heat, Viking appliances, white oak hardwood flooring, custom kitchen with kitchenette, passive house Davinci aluminum clad windows with energy saver glass window system. Smart home pre-wired, security system, control 4, speakers, deck and private back patio, garage, automated sprinklers system. Price Adjustment -$100K 12/16/21. All work inspected and approved by the town of Greenwich.

Smart MLS #170436092

Mar 31, 2022

Sold

$1,750,000

$844/sq ft

Dec 16, 2021

Price Changed

$1,680,000

$810/sq ft

Oct 30, 2021

Price Changed

$1,780,000

$858/sq ft

Sep 23, 2021

Listed

$1,795,000

$865/sq ft

Sep 9, 2021

Coming Soon

$1,795,000

$865/sq ft

GMLS #109474

Aug 4, 2020

Sold

$575,000

$277/sq ft

May 12, 2020

Contingent

—

Apr 27, 2020

Listed

$575,000

$277/sq ft

Smart MLS #170290602

Aug 4, 2020

Listing Removed

—

Aug 4, 2020

Sold

$575,000

$277/sq ft

May 12, 2020

Pending

—

Apr 27, 2020

Listed

$575,000

$277/sq ft

Year

Property tax

Land + Additions

Assessment*

2023

$10,145 (+0.9%)

$412,300 + $459,550

$871,850

2022

$10,052 (+74.7%)

$412,300 + $459,480

$871,780

2021

$5,755 (+0.2%)

$370,160 + $107,800

$477,960

2020

$5,745 (−1.0%)

$370,160 + $107,800

$477,960

2019

$5,802 (+2.3%)

$370,160 + $107,800

$477,960

2018

$5,673 (−1.3%)

$370,160 + $107,800

$477,960

2017

$5,745 (+1.6%)

$370,160 + $107,800

$477,960

2016

$5,654 (+3.7%)

$370,160 + $107,800

$477,960

2014

$5,450

$388,570 + $80,290

$468,860

Public record

Beds

Baths

Stories

Lot width

—

Lot depth

—

Lot size

7,841 Sq. Ft.

Year renovated

—

Sq. Ft.

1,969

Year built

1948

Style

Single Family Residential

County

Fairfield County

APN

1854140

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 13, 2023.

Property details

Parking

Garage Information
Garage & Parking: Detached Garage, Paved, Driveway
Garages Number: 1

Parking Information
Parking Total Spaces: 2

Interior

Virtual Tour Information

Interior Information
Total Rooms: 10
Laundry Room Location: Second Floor
Laundry Room Info: Upper Level
Interior Features: Audio System, Auto Garage Door Opener, Cable - Pre-wired, Security System
In-Law Apartment: No
Built In Audio, Security System, Thermostat(s), Wired For Audio
Handicap Features: Lever Door Handles
Fireplaces Total: 1
Cooling System: Central Air, Zoned
Appliances Included: Gas Cooktop, Gas Range, Microwave, Range Hood, Refrigerator, Icemaker, Dishwasher, Disposal, Washer, Gas Dryer, Wine Chiller

Bathroom Information
# of Baths (Full): 4

Bedroom Information
Beds Total: 4

Room Information
Rooms Additional: Laundry Room
Basement Description: Crawl Space
Has Attic
Attic Description: Storage Space, Pull-Down Stairs

Exterior

Exterior Features
Roof Information: Asphalt Shingle
Exterior Siding: Hardie Board
Exterior Features: Gutters, Lighting, Patio, Underground Utilities, Sidewalk, Deck, Garden Area, Stone Wall, Underground Sprinkler

Lot Information
Lot Description: Corner Lot, Non Conforming Lot, Dry, Level Lot, Cleared

Building Information
Foundation Type: Concrete
Construction Description: Frame, Concrete
Color: White

Property Information
Waterfront Description: Walk to Water, Beach Rights, Water Community, Access
Property Type: Single Family For Sale
Living Area SQFT Per Public Record: 1969
Driveway Type: Private, Circular, Paved, Asphalt

Financial

Assessments Information
Assessed Value: $871,850

Utilities

Utility Information
Water Source: Public Water Connected
Sewage System: Public Sewer Connected
Hot Water Description: Natural Gas, Other, Tankless Hotwater
Heat Type: Gas on Gas, Hydro Air, Zoned
Heat Fuel Type: Natural Gas
Energy Features: Extra Insulation, Programmable Thermostat

Location

School Information
Middle Jr High School: Central
High School: Greenwich
Elementary School: Cos Cob

Location Information
State: Connecticut
Nearby Amenities: Library, Medical Facilities, Park, Playground/Tot Lot, Public Transportation, Shopping/Mall, Tennis Courts, Walk to Bus Lines
Directions: Please use GOS
County: Fairfield

Public facts

Beds: 4
Baths: 4.0
Sq. Ft.: 1,969
Stories: 2.0
Lot Size: 7,841 square feet
Style: Single Family Residential
Year Built: 1948
Year Renovated: —
County: Fairfield County
APN: 1854140

Home facts updated by county records on Jul 12, 2023

Other

Documents & Disclosures
Supplement Count Public: 2

Around this home

Schools

Cos Cob School

Public PreK-5 • Assigned • 0.7mi

6/10

Central Middle School

Public 6-8 • Assigned • 1.1mi

8/10

Greenwich High School

Public 9-12 • Assigned • 1.4mi

10/10

Provided by GreatSchools

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, 16 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

Riverside, CT • 06878

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

82/ 100

Very good sunlight

Sunscore

This home receives average direct sun exposure in Riverside. There appears to be minimal shading by surrounding buildings, terrain, and vegetation.

8.3 hrs

5.3 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$2.30M – $2.78M

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New listings for sale in 06878

OPEN SUN, 11AM TO 1PM

$1,699,000

5 beds2 baths2,047 sq ft

25 Westview Pl, Riverside, CT 06878

OPEN SUN, 12:30PM TO 2:30PM

$1,900,000

3 beds1.5 baths1,458 sq ft

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Home values near 31 Thornhill Rd

Data from public records.

Address	Redfin Estimate
21 Thornhill Road, Riverside, CT 3 Beds \| 2 Baths \| 1470 Sq. Ft.	$1,511,974
37 Thornhill Road, Riverside, CT 4 Beds \| 2 Baths \| 1833 Sq. Ft.	$1,696,047

Address	Redfin Estimate
23 Thornhill Road, Riverside, CT 4 Beds \| 3 Baths \| 2390 Sq. Ft.	$1,719,667
29 Thornhill Road, Riverside, CT 3 Beds \| 3 Baths \| 1296 Sq. Ft.	$1,843,928

Address	Redfin Estimate
33 Thornhill Road, Riverside, CT 2 Beds \| 2 Baths \| 1386 Sq. Ft.	$1,439,635
35 Thornhill Road, Riverside, CT 5 Beds \| 3 Baths \| 2142 Sq. Ft.	$1,727,972

Property information provided by Smart MLS when last listed in 2026. This data may not match . Learn more.

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About this home

Redfin Estimate

Market trends in 06878, CT

Homeowner tools

Sale and tax history for 31 Thornhill Rd

Public record

Property details

Around this home

Schools

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 06878

Home values near 31 Thornhill Rd

More real estate resources