An allée of majestic magnolia trees underplanted with sculpted boxwoods lines a white-pebble drive leading to one of Greenwich's most iconic Great Estates. Inspired by the grandeur of Newport's Gilded Age mansions and transformed through an extensive four-year renovation, this exceptional residence masterfully balances historic character with modern functionality. The result is a rare offering where architectural significance, luxurious comfort, and enchanting surroundings converge. Interiors designed by Mar Silver allow for entertaining on a grand scale or intimate family gatherings alike. Each room has been thoughtfully curated, revealing a new delight around every corner. The estate grounds, designed by renowned landscape architect, James Doyle, feature his signature European-inspired gardens, as well as a 3-bedroom guest house, and oversized swimming pool creating a private compound of extraordinary beauty and distinction. This remarkable property is located on prestigious Round Hill Road, only 10 mins to downtown Greenwich and 45 mins to Manhattan.
For sale
$14,600,000
164 Round Hill Rd, Greenwich, CT 06831
8beds
17,121sqft
Residential, Single Family Residence
Built in 1911
4.17 Acres Lot
$-- Zestimate®
$853/sqft
$-- HOA
What's special
White-pebble driveSculpted boxwoodsOversized swimming poolSignature european-inspired gardens
- 12 days
- 4,027
- 279
Zillow last checked:
Listing updated:
Listed by:
Cate Keeney 203-536-8187,
Sotheby's International Realty
Source: Greenwich MLS, Inc.,MLS#: 125814
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 8
- Bathrooms: 14
- Full bathrooms: 11
- 1/2 bathrooms: 3
Heating
- Natural Gas, Hydro-Air
Cooling
- Central Air
Appliances
- Laundry: Laundry Room
Features
- Entrance Foyer, Pantry, Back Stairs
- Basement: Finished
- Number of fireplaces: 8
Interior area
- Total structure area: 17,121
- Total interior livable area: 17,121 sqft
Property
Parking
- Total spaces: 6
- Parking features: Garage
- Garage spaces: 6
Features
- Patio & porch: Terrace
- Exterior features: Balcony
- Has private pool: Yes
Lot
- Size: 4.17 Acres
- Features: Garden, Level
Details
- Additional structures: Guest House
- Parcel number: 103197
- Zoning: RA-2
- Other equipment: Generator
Construction
Type & style
- Home type: SingleFamily
- Architectural style: English Manor
- Property subtype: Residential, Single Family Residence
Materials
- Stone
- Roof: Slate
Condition
- Year built: 1911
- Major remodel year: 2026
Utilities & green energy
- Sewer: Septic Tank
- Water: Public
Community & HOA
Community
- Security: Security System
Location
- Region: Greenwich
Financial & listing details
- Price per square foot: $853/sqft
- Tax assessed value: $13,457,920
- Annual tax amount: $136,261
- Date on market: 9/9/2026
- Inclusions: Washer/Dryer, All Kitchen Applncs
Estimated market value
Not available
Estimated sales range
Not available
Not available
Price history
| Date | Event | Price |
|---|---|---|
| 9/9/2026 | Listed for sale | $14,600,000$853/sqft |
Source: | ||
| 8/10/2026 | Listing removed | $14,600,000$853/sqft |
Source: | ||
| 5/1/2026 | Price change | $14,600,000-6.4%$853/sqft |
Source: | ||
| 3/17/2026 | Listed for sale | $15,600,000+0.6%$911/sqft |
Source: | ||
| 4/28/2023 | Listing removed | -- |
Source: | ||
| 3/15/2023 | Price change | $15,500,000-11.4%$905/sqft |
Source: | ||
| 9/20/2022 | Listed for sale | $17,500,000+16.7%$1,022/sqft |
Source: | ||
| 9/6/2013 | Sold | $15,000,000+24.4%$876/sqft |
Source: Agent Provided Report a problem | ||
| 10/1/2004 | Sold | $12,060,000+609.4%$704/sqft |
Source: Public Record Report a problem | ||
| 9/30/1993 | Sold | $1,700,000$99/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $132,241 +2.8% | $10,983,490 |
| 2024 | $128,617 +2.8% | $10,983,490 |
| 2023 | $125,102 +1% | $10,983,490 |
| 2022 | $123,894 +2.1% | $10,983,490 +4.9% |
| 2021 | $121,301 | $10,465,980 |
| 2020 | $121,301 -0.8% | $10,465,980 |
| 2019 | $122,243 +2.7% | $10,465,980 |
| 2018 | $118,998 | $10,465,980 |
| 2017 | $118,998 +25.5% | $10,465,980 +24.4% |
| 2015 | $94,846 +2.7% | $8,415,750 |
| 2014 | $92,321 | $8,415,750 |
Find assessor info on the county website
Monthly payment
Est. payment
Payment breakdown
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Neighborhood: 06831
Nearby schools
Schools provided by the listing agent
- Elementary: Parkway
- 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.







