Off MarketHistoric · 284 yrs

646 Round Hill Rd

Greenwich, CT, 06831 • 06831 • Fairfield County

$3,810,100

$965/sqft

5Beds

4Baths

3,948Sqft

4 acLot

1742Built

Property DNA

1 highlights

Colonial Style

Built 1742 · 284 years of history

Market activity

Demand and pricing signals for this listing

2 views

People checking out this listing

$965/sqft

Price per square foot

About this home

Single Family · Built 1742 · Historic

This 3948 square foot single family home has 5 bedrooms and 4.0 bathrooms. This home is located at 646 Round Hill Rd, Greenwich, CT 06831.

Estimated monthly payment

Based on current rates

$24,850/month

Principal & Interest$19,770

Property Tax$3,810

Insurance$1,270

Down payment20% ($762,020)

3%50%

Est. 6.75% rate · 30yr fixed · $3,048,080 loan

Full calculator →

At a glance

Key facts and listing details

TypeSingleFamily

Year Built1742

HeatingForced air

ParkingGarage - Attached

Lot4 Acres

Property

Home typeSingle Family

StyleColonial

Year built1742

Systems

HeatingForced air

RoofAsphalt

ConstructionFrame

Parking & Outdoor

ParkingGarage - Attached

BasementPartially finished

Lot4 Acres

Location & Tax

Neighborhood06831

Annual tax$22,749

ParcelGREEM10B3395

Features & details

4 categories of property features

Interior Features

Heating

Forced air

Exterior Features

Exterior

Wood

Parking

Garage - Attached

Construction

Frame

Listing insights

Market data and value estimates

StatusOff Market

Est. value$3,810,100

Est. rent$8,160/mo

Tax rate1.69%

Price/sqft$965

Tour days6

How are the schools in Greenwich?

3 schools rated nearby

Parkway School

Elementary • Public • K-5

1.3 mi

Western Middle School

Middle • Public • 6-8

8.1 mi

Greenwich High School

High • Public • 9-12

6.8 mi

Location

Greenwich, CT, 06831

Expand map

Tax history

15 years of records

YearTax paidAssessed value

Apr 15, 2025$22,749$1,889,440

Apr 15, 2024$22,125$1,889,440

Apr 15, 2023$21,521$1,889,440

Apr 15, 2022$21,313$1,889,440

Apr 15, 2021$21,587$1,862,560

Apr 15, 2020$21,587$1,862,560

Apr 15, 2019$21,240$1,818,530

Apr 15, 2018$20,677$1,818,530

Apr 15, 2017$20,677$1,818,530

Apr 15, 2015$20,052$1,779,260

Apr 15, 2014$19,518$1,779,260

Apr 15, 2013$18,191$1,703,240

Apr 15, 2012$18,736$1,703,240

Apr 15, 2011$17,220$1,703,240

Apr 15, 2010$19,661$2,288,790

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Neighborhood details

Local context around this listing

Greenwich, CT • Fairfield County

Nearby neighborhoods

ByramCos CobGlenvilleIndian FieldOld GreenwichPemberwickRiversideRock Ridge

Nearby cities

BridgeportDanburyFairfieldGreenwichNewtownNorwalkSheltonStamford

Nearby zip codes

06807068300683106832068360687006878

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Value estimates

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Est. value$3,810,100

Est. rent$8,160/mo

Affordability$25,364/mo

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