Discover an extraordinary contemporary designed by John Charles Fondrisi. 603 Round Hill Road - An estate tucked away at the end of a private lane. Set on 8 secluded acres, this light-filled home features glass walls on three sides, a dramatic atrium with fountain, oversized pool, tennis court, and breathtaking natural surroundings.
Two separate legal parcels, each with independent access, create a unique investment and lifestyle opportunity.
For sale
$7,500,000
603 Round Hill Rd, Greenwich, CT 06831
5beds
8,766sqft
Residential, Single Family Residence
Built in 1981
7.42 Acres Lot
$6,052,000 Zestimate®
$856/sqft
$-- HOA
What's special
Tennis courtLight-filled homeBreathtaking natural surroundingsDramatic atrium with fountainOversized pool
- 22 hours
- 591
- 30
Zillow last checked:
Listing updated:
Listed by:
Lin Lavery 203-536-0152,
Coldwell Banker Realty
Source: Greenwich MLS, Inc.,MLS#: 126169
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 5
- Bathrooms: 7
- Full bathrooms: 5
- 1/2 bathrooms: 2
Heating
- Forced Air
Cooling
- Central Air
Appliances
- Laundry: Laundry Room
Features
- Built-in Features, Pantry, Wet Bar
- Basement: Finished
- Number of fireplaces: 4
Interior area
- Total structure area: 8,766
- Total interior livable area: 8,766 sqft
Property
Parking
- Total spaces: 5
- Parking features: Garage Door Opener
- Garage spaces: 5
Features
- Exterior features: Fountain
- Has private pool: Yes
Lot
- Size: 7.42 Acres
Details
- Parcel number: 101732
- Zoning: RA-4
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Residential, Single Family Residence
Materials
- Masonry
- Roof: Asphalt
Condition
- Year built: 1981
Utilities & green energy
- Sewer: Septic Tank
- Water: Well
- Utilities for property: Cable Connected
Community & HOA
Community
- Security: Security System
Location
- Region: Greenwich
Financial & listing details
- Price per square foot: $856/sqft
- Tax assessed value: $3,682,840
- Annual tax amount: $37,289
- Date on market: 10/30/2026
- Inclusions: Washer/Dryer, Call LB, All Kitchen Applncs
Estimated market value
$6,052,000
$5.08M - $7.20M
Not available
Price history
| Date | Event | Price |
|---|---|---|
| 10/30/2026 | Listed for sale | $7,500,000$856/sqft |
Source:  Greenwich MLS, Inc. #126169 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $38,213 +2.8% | $3,173,870 |
| 2024 | $37,166 +2.8% | $3,173,870 |
| 2023 | $36,150 +1% | $3,173,870 |
| 2022 | $35,801 +6.3% | $3,173,870 +9.3% |
| 2021 | $33,669 | $2,905,000 |
| 2020 | $33,669 -0.8% | $2,905,000 |
| 2019 | $33,930 +2.7% | $2,905,000 |
| 2018 | $33,030 -14% | $2,905,000 -14% |
| 2017 | $38,403 +14.1% | $3,377,570 +13.1% |
| 2015 | $33,645 +2.7% | $2,985,360 |
| 2014 | $32,749 | $2,985,360 |
Find assessor info on the county website
Monthly payment
Est. payment
Payment breakdown
Explore the cost of this home by adjusting the details. Changes won't be saved.Climate risks
Neighborhood: 06831
Nearby schools
Schools provided by the listing agent
- Elementary: Parkway
- Middle: Western
Source: Greenwich MLS, Inc.. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
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