OFF MARKET

Off Market Nov 2024 for $4.5M

$5,990,685

Est. refi paymentEst. refi $3,856/mo

•

6,012

sq ft

3 Marks Rd, Riverside, CT 06878

About this home

This stunning Riverside home offers year-round water views of Greenwich Cove and Long Island Sound, and perfectly situated to experience both the Old Greenwich and Riverside lifestyles. Completely renovated in 2021 by Sound Beach Partners and Tanner White Architects, this 6,000+ sq. ft. fully automated smart home sits on . 40 acres, which showcases meticulous craftsmanship and attention to detail. With 5 bedrooms, 5.5 baths, a chef's kitchen with top-tier appliances, a dream walk-in pantry, a third-floor private office and a separate au-pair suite. This home is ideal for modern day living. Other highlights include lower-level recreation space with a gym, dry sauna, and ample storage. Enjoy four season water views, easy access to Old Greenwich, Tod's Point, and Riverside Elementar

Single-familyProperty Type

1913Year Built

0.4 acresLot Size

$996Est. Price/Sq.Ft.

2 car garageParking

Listed by Megan Sullivan • Sotheby's International Realty

Bought with Scott Elwell • Higgins Group Greenwich

Redfin checked: a few seconds ago

•Source:GMLS #121460

Redfin Estimate

$5,990,685

$1.4M since sold in November 2024$800K since July

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 19.6% higher than the average sale price ($5.01M) of 5 comparable homes.

SOLD JUL 29, 2026
$4,800,011
A
5 beds4.5 baths4,130 sq ft
18 Owenoke Way, Riverside, CT 06878
SOLD JUL 6, 2026
$5,900,000
B
5 beds6 baths7,039 sq ft
1 Bramble Ln, Riverside, CT 06878
SOLD JUN 15, 2026
$5,300,000
C
6 beds4.5 baths6,005 sq ft
21 Lake Dr, Riverside, CT 06878
SOLD JUN 1, 2026
$4,800,000
D
5 beds3.5 baths4,524 sq ft
47 Owenoke Way, Riverside, CT 06878
SOLD MAR 2, 2026
$4,250,000
E
5 beds4 baths3,226 sq ft
227 Riverside Ave, Riverside, CT 06878

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Earn from this home

Sell

$2,120,735

Est. take-home

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Refinance

Est. cash available

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Rent

$10,371/mo

Redfin rental estimate

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Market trends in 06878, CT

Last updated July 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

109.1%

+4.0% MoM

Median sale price

$3.8M

$1M MoM

Avg. days on market

15d

3 days MoM

Recently sold homes

11 MoM

New listings for sale

$995,000
2 beds2.5 baths1,626 sq ft
84 Silo Cir #84, Riverside, CT 06878
$899,000
2 beds1.5 baths1,085 sq ft
6 Whiffletree Way #6, Riverside, CT 06878
$1,295,000
4 beds2 baths1,731 sq ft
29 Amherst Rd, Riverside, CT 06878
See all

Provided by Redfin

Sale history for 3 Marks Rd

Date

Event

Price

GMLS #121460

Nov 25, 2024

Sold

$4,550,000

$757/sq ft

Oct 21, 2024

Pending

—

Sep 18, 2024

Listed

$4,695,000

$781/sq ft

GMLS #120351

May 16, 2024

Price Changed

$4,895,000

$814/sq ft

Apr 25, 2024

Listed

$5,195,000

$864/sq ft

Apr 23, 2024

Coming Soon

GMLS #84784

Jun 28, 2013

Sold

$2,820,000

$469/sq ft

Apr 8, 2013

Listed

$2,895,000

$482/sq ft

+10

GMLS #71892

Dec 15, 2009

Delisted

—

Jan 14, 2009

Listed

$2,995,000

$498/sq ft

Smart MLS #98406386

Jun 16, 2009

Listing Removed

—

Jan 16, 2009

Listed

$2,995,000

$498/sq ft

GMLS #38657

Mar 31, 1998

Sold

—

Oct 24, 1997

Listed

$1,395,000

$232/sq ft

GMLS #29794

Jun 21, 1994

Sold

$725,000

$121/sq ft

Apr 27, 1994

Listed

$769,500

$128/sq ft

Year

Property tax

Land + Additions

Assessment*

2023

$24,100 (+0.9%)

$1,039,570 + $1,031,590

$2,071,160

2022

$23,880 (+10.3%)

$1,039,570 + $1,031,590

$2,071,160

2021

$21,659 (+0.2%)

$942,970 + $855,960

$1,798,930

2020

$21,623 (−1.0%)

$942,970 + $855,960

$1,798,930

2019

$21,839 (+2.3%)

$942,970 + $855,960

$1,798,930

2018

$21,353 (−1.2%)

$942,970 + $855,960

$1,798,930

2017

$21,621 (+1.6%)

$942,970 + $855,960

$1,798,930

2016

$21,280 (+16.5%)

$942,970 + $855,960

$1,798,930

2014

$18,259

$1,162,070 + $408,590

$1,570,660

Tax history for 3 Marks Rd

Year

Property tax

Land + Additions

Assessment*

2023

$24,100 (+0.9%)

$1,039,570 + $1,031,590

$2,071,160

2022

$23,880 (+10.3%)

$1,039,570 + $1,031,590

$2,071,160

2021

$21,659 (+0.2%)

$942,970 + $855,960

$1,798,930

2020

$21,623 (−1.0%)

$942,970 + $855,960

$1,798,930

2019

$21,839 (+2.3%)

$942,970 + $855,960

$1,798,930

2018

$21,353 (−1.2%)

$942,970 + $855,960

$1,798,930

2017

$21,621 (+1.6%)

$942,970 + $855,960

$1,798,930

2016

$21,280 (+16.5%)

$942,970 + $855,960

$1,798,930

2014

$18,259

$1,162,070 + $408,590

$1,570,660

*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

4.5

Stories

Lot width

—

Lot depth

—

Lot size

0.4 Acres

Year renovated

—

Sq. Ft.

4,196

Year built

1913

Style

Single Family Residential

County

Fairfield County

APN

1854801

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
Parking Features: Garage Door Opener

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: Hot Water, Natural Gas

Interior Features
Interior Features: Sep Shower, Kitchen Island, Pantry, Sauna
Has Fireplace(s)
# of Fireplaces Total: 2
Basement: Finished, Walkout

Exterior

Exterior Features
Patio And Porch Features: Deck

Property Information
Property Sub-Type: Single Family Residence
Year Built: 1913
Year Built Effective: 2021
Roof: Asphalt
Construction Materials: Shake Shingle
Security Features: Security System
Building Area Total: 6012.0
Building Area Source: Architect

Lot Information
Lot Features: Level
On Waterfront
Waterfront Features: Waterviews
Lot Size Area: 0.4
Lot Size Units: Acres
Lot Size Square Feet: 17424.0
Lot Size Acres: 0.4
Zoning: R-12

Financial

Tax Information
Tax Annual Amount: $24,721
Tax Assessed Value: $2,071,160

Utilities

Utilities Information
Sewer: Public Sewer
Water Source: Public

Location

School Information
Elementary School: Riverside
Middle Or Junior School: Eastern

Public facts

Beds: 5
Baths: 4.5
Sq. Ft.: 4,196
Stories: 2.0
Lot Size: 0.4 acres
Style: Single Family Residential
Year Built: 1913
Year Renovated: —
County: Fairfield County
APN: 1854801

Home facts updated by county records on Jul 12, 2023

Other

Information For Agents
Special Listing Conditions: Standard

Around this home

Schools

Riverside School

Public K-5 • Assigned • 0.4mi

10/10

Eastern Middle School

Public 6-8 • Assigned • 0.6mi

10/10

Greenwich High School

Public 9-12 • Assigned • 2.1mi

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, 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

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

$5.69M – $6.89M

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New listings for sale in 06878

$995,000

2 beds2.5 baths1,626 sq ft

84 Silo Cir #84, Riverside, CT 06878

$899,000

2 beds1.5 baths1,085 sq ft

6 Whiffletree Way #6, Riverside, CT 06878

$1,295,000

4 beds2 baths1,731 sq ft

29 Amherst Rd, Riverside, CT 06878

Home values near 3 Marks Rd

Data from public records.

Address	Redfin Estimate
8 Marks Rd, Riverside, CT 3 Beds \| 3 Baths \| 2262 Sq. Ft.	$2,843,763
24 Marks Rd, Riverside, CT 5 Beds \| 4.5 Baths \| 5549 Sq. Ft.	$5,629,429

Address	Redfin Estimate
14 Marks Rd, Riverside, CT 4 Beds \| 3.5 Baths \| 2520 Sq. Ft.	$3,269,608
2 Marks Rd, Riverside, CT 5 Beds \| 5.5 Baths \| - Sq. Ft.	$3,937,004

Address	Redfin Estimate
20 Marks Rd, Riverside, CT 5 Beds \| 4.5 Baths \| 6097 Sq. Ft.	$6,803,009
22 Marks Rd, Riverside, CT 6 Beds \| 6.5 Baths \| 5286 Sq. Ft.	$6,602,639

Property information provided by GMLS when last listed in 2024. This data may not match . Learn more.

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