Location

Nearby schools

School ratings (A+ to F) from HJN community data.

Riverside School
KG-5 · Regular · Greenwich School District
440 students · 11.8:1 student–teacher
Riverside School school rating: A+ 0.4 mi
Eastern Middle School
6-8 · Regular · Greenwich School District
797 students · 11.8:1 student–teacher
Eastern Middle School school rating: A+ 0.5 mi
Old Greenwich School
PK-5 · Regular · Greenwich School District
385 students · 10.5:1 student–teacher
Old Greenwich School school rating: A+ 0.9 mi
Cos Cob School
KG-5 · Regular · Greenwich School District
343 students · 10.0:1 student–teacher
Cos Cob School school rating: B 1.1 mi
International School at Dundee
KG-5 · Regular · Greenwich School District
342 students · 11.3:1 student–teacher
International School at Dundee school rating: A+ 1.7 mi
Greenwich High School
9-12 · Regular · Greenwich School District
2,620 students · 13.4:1 student–teacher
Greenwich High School school rating: A+ 1.7 mi
Fusion Academy - Greenwich
6-12 · Regular
21 students · 0.9:1 student–teacher
1.8 mi
Central Middle School
6-8 · Regular · Greenwich School District
483 students · 9.2:1 student–teacher
Central Middle School school rating: A- 1.8 mi

Nearby places

Within 2 miles of this home: 36 restaurants and cafés, 4 grocery stores, 37 parks and green spaces, and 3 transit stops.

Place data from OpenStreetMap.

Food & drink

Garden Catering
Sound Beach Avenue
0.9 mi
Applausi
Italian restaurant · Sound Beach Avenue
0.9 mi
Upper Crust
Sound Beach Avenue
0.9 mi
Dunkin
0.9 mi
Alpen Pantry
Arcadia Road
0.9 mi
Le Fat Poodle
French restaurant · Arcadia Road
0.9 mi
Aux Delices
East Putnam Avenue
1.0 mi
Social Club
1.0 mi

Groceries

Kings
Arcadia Road
1.0 mi
Balducci's
East Putnam Avenue
1.0 mi
Acme
East Putnam Avenue
1.1 mi
ShopRite
West Main Street
1.7 mi

Parks & recreation

Cos Cob Park
Sound Shore Drive
0.7 mi
Binney Park Playground
0.7 mi
Bush-Holley Historic Site and Visitor Center
0.8 mi
Cos Cob Mill Pond
0.9 mi
Binney Park
0.9 mi
Binney Pond
0.9 mi
Strickland Road Historic District
1.0 mi
Binney Park - Hillside Annex
1.0 mi

Transit

Riverside
0.3 mi
Cos Cob
0.8 mi
Old Greenwich
0.9 mi

The 06878 market

Homes for sale: 16
Median list price: $1,850,000

Similar homes nearby

See all in 06878

Sources for the nearby listings shown on this page

Greenwich MLS (GMLS): Listing data courtesy of Greenwich MLS. IDX information is provided exclusively for consumers’ personal, non-commercial use, that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data is deemed reliable but is not guaranteed accurate by the MLS.
Listing information ©2026 Greenwich MLS, Inc®. All Rights Reserved. Last Updated: 2026-10-02 13:11:34 UTC

Some properties which appear for sale on this web site may subsequently have sold or may no longer be available.

No listing photos

203 Riverside Avenue, Riverside CT 06878

6

Beds

4

Baths

5,021

Sqft

1910

Year built

Estimated value: $5,270,849

Range $4,920,111 – $5,621,587 · as of July 14, 2026

How this estimate has moved

ATTOM automated valuation model · 51 published estimates over 6.5 years · shaded band is the model's own published low-to-high range

$2,470,769 January 2020$5,270,849 July 2026

Highest reading $5,738,000 in July 2025; lowest $2,470,769 in January 2020. The vertical scale starts at the series' own low, not at zero — it is drawn to show movement, not absolute size.

Public records

6 beds
4 baths
5,021 sqft
40,511 sqft lot
Built 1910
Stories: 3
Use: RESIDENTIAL
APN GREE M:05 B:1904/S

Estimate your monthly payment

Home price

Down payment (20%)

$1,054,170

Loan term

Interest rate (%)

Property tax (%/yr)

Home insurance ($/yr)

HOA ($/mo)

Estimated monthly payment

$33,799/mo

Principal & interest$28,851

Property tax$4,832

Home insurance$117

Loan amount $4,216,679. Estimate only — your actual rate and payment depend on credit, location, and lender.

Tax history

2025 roll

Land: $1,461,320
Structure: $640,500
Assessed total: $2,101,820
County market value: $1,471,274
Property tax billed: $25,976

Sale & deed history

December 4, 2025Arm's-lengthCash$5,000,000
August 2, 2022Arm's-length$4,200,000
December 18, 2008Not an arm's-length transfer—
November 19, 2007Not an arm's-length transfer—
November 13, 2007Not an arm's-length transfer—
February 3, 2003Not an arm's-length transfer—

June 23, 1999

Not an arm's-length transfer—

August 17, 1998Not an arm's-length transfer—

December 17, 1997Not an arm's-length transfer—