Pending

$1,295,000

23 Thornhill Rd, Riverside, CT 06878

4beds

2,390sqft

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Residential, Single Family Residence

Built in 1930

0.27 Acres Lot

$-- Zestimate^®

$542/sqft

$-- HOA

What's special

Oversized garageFinished basementOversized lot

2-family house in a single-family, R-7 zone, allowing for income potential. Can be converted to a single family house. Oversized garage, with enough height to possibly install lifts, adding the potential to garage up to 6 cars, with extra covered storage on the side. This home sits on an oversized lot with expansion potential. 2,390 sqft, includes the finished basement.

137 days

103

2

Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 4
Bathrooms: 3
Full bathrooms: 3

Heating

Natural Gas, Radiant

Cooling

Partial A/C

Appliances

Laundry: Laundry Room

Features

Windows: Bay Window(s)
Basement: Finished,Full
Has fireplace: No

Interior area

Total structure area: 2,390
Total interior livable area: 2,390 sqft

Property

Parking

Total spaces: 3
Parking features: Garage
Garage spaces: 3

Lot

Size: 0.27 Acres

Details

Parcel number: 122098/S
Zoning: R-7

Construction

Type & style

Home type: SingleFamily
Property subtype: Residential, Single Family Residence

Materials

Vinyl Siding
Roof: Asphalt

Condition

Year built: 1930

Utilities & green energy

Water: Public

Community & HOA

Location

Region: Riverside

Financial & listing details

Price per square foot: $542/sqft
Tax assessed value: $621,110
Annual tax amount: $6,511
Date on market: 2/26/2026

Estimated market value

Not available

Estimated sales range

Not available

$7,331/mo

Price history

Date	Event	Price
7/12/2026	Pending sale	$1,295,000$542/sqft
Source: Greenwich MLS, Inc. #124392 Report a problem
3/9/2026	Contingent	$1,295,000$542/sqft
Source: Greenwich MLS, Inc. #124392 Report a problem
2/26/2026	Listed for sale	$1,295,000$542/sqft
Source: Greenwich MLS, Inc. #124392 Report a problem

Public tax history

Year	Property taxes	Tax assessment
2025	$7,676 +3.5%	$621,110
2024	$7,414 +2.6%	$621,110
2023	$7,227 +0.9%	$621,110
2022	$7,161 +11.8%	$621,110 +16.7%
2021	$6,406 +0.2%	$532,070
2020	$6,395 -1%	$532,070
2019	$6,459 +2.3%	$532,070
2018	$6,316 -1.2%	$532,070
2017	$6,395 +1.6%	$532,070
2016	$6,294	$532,070

Find assessor info on the county website

Monthly payment

Est. payment

Payment breakdown

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All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.

HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.

Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.

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Climate risks

Neighborhood: Riverside

Getting around

65 / 100

Somewhat Walkable

36 / 100

Somewhat Bikeable

Nearby schools

GreatSchools rating

6/10
Cos Cob School
Grades: PK-5Distance: 0.8 mi
8/10
Central Middle School
Grades: 6-8Distance: 1.1 mi
10/10
Greenwich High School
Grades: 9-12Distance: 1.5 mi

Schools provided by the listing agent

Elementary: Cos Cob
Middle: Central

Source: Greenwich MLS, Inc.. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.