306 Round Hill Rd

6,799 Sq. Ft.
$1,088 / Sq. Ft.
6,799
Sq. Ft.
$1,088
per Sq. Ft.

Description

Honored for its remarkable architectural reimagining with the 2021 HOBI Award for Best New Old Home Remodel, this privately set 6-bedroom estate--originally built in 1804 and rebuilt in 2015 by Roger Ferris + Partners--rests on approximately 2.53 gated acres behind a gracious motor court, pairing classic architecture with contemporary design. Natural light pours through oversized windows across a seamless open floor plan anchored by a sleek, beautifully appointed kitchen. En suite bedrooms, dual...Honored for its remarkable architectural reimagining with the 2021 HOBI Award for Best New Old Home Remodel, this privately set 6-bedroom estate--originally built in 1804 and rebuilt in 2015 by Roger Ferris + Partners--rests on approximately 2.53 gated acres behind a gracious motor court, pairing classic architecture with contemporary design. Natural light pours through oversized windows across a seamless open floor plan anchored by a sleek, beautifully appointed kitchen. En suite bedrooms, dual family rooms, a media room, private offices, and a calm, elegantly composed primary suite provide flexibility for every version of life. Multiple fireplaces add warmth throughout.
  1. Listed by Megan Sullivan • Douglas Elliman of Connecticut
    P: (203)-622-4900 C: (203)-979-7413 sullivan.s.megan@gmail.com

Property Details for 306 Round Hill Road

Section
North Parkway
Design
Neoclassical
Pool
Yes
Basement Type
Crawl Space, Unfinished
Garage #
5.00
WaterFront
Yes
LISTING UPDATED: 06/04/2026 03:30 PM

Property Details for 306 Round Hill Road

StatusActive
MLS #124958
Days on Market32
Taxes$31,163 / year
HOA Fees-
Condo/Co-op Fees-
Property TypeSingle Family
MLS TypeResidential / Single Family
Year Built2015
Lot Size2.41 AC / 104,979 SF
CountyFairfield County

Location

Listing Courtesy of Douglas Elliman of Connecticut, Megan Sullivan
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Building Information for 306 Round Hill Road

Stories-Year Built2015Building Size-Lot Size2.41 AC / 104,979 SF

Payment Calculator

$39,447 per month

30 year fixed, 6.36% Interest

Principal and Interest

$36,850

Property Taxes

$2,597

HOA Dues

$0

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Property Information for 306 Round Hill Road

Summary
Location and General Information
  • Area: 3 - Greenwich
  • Elementary School: Parkway
  • Middle School: Western
  • City: Greenwich
  • MLS Area Major: 3 - Greenwich
  • Longitude: -73.666636
  • Latitude: 41.08
  • Postal Code: 06831
  • County: Fairfield
  • State Or Province: CT
HOA and Fees
  • Parcel Number: 10-1018
  • Association Chg/Yr: $0
  • Taxes: $31,163
Interior and Exterior Features
Interior Features
  • Bathrooms Total Integer: 10
  • Baths Full: 7
  • Baths Half: 3
  • Beds Total: 6
  • Cooling: Yes
  • Heating: Yes
  • Entry Hall Level/FP: 1st: 1
  • Entry Hall Level/FP: FP: 1
  • Living Room Level/FP: 1st: 1
  • Living Room Level/FP: FP: 1
  • Dining Room Level/FP: 1st: 1
  • Library/Den Level/FP: 1st: 1
  • Library/Den Level/FP: FP: 1
  • Family Room Level/FP: 1st: 1
  • Family Room Level/FP: FP: 1
  • Powder Room Level/FP: 1st: 2
  • Kitchen Level/FP: 1st: 2
  • Primary Bdrm Level/FP: 2nd: 1
  • Primary Bath Level/FP: 2nd: 2
  • Dbl Bdrms Level/FP: 1st: 1
  • Dbl Bdrms Level/FP: 2nd: 4
  • Bath Level/FP: 1st: 1
  • Bath Level/FP: 2nd: 4
  • Staff Level/FP: 1st: 1
  • Laundry Level/FP: 1st: 1
  • Other Room Level/FP: 1st: 1
  • Other Room Level/FP: 2nd: 1
  • Other Room Level/FP: FP: 1
  • Other Room 2 Level/FP: 1st: 1
  • Other Room 3 Level/FP: 1st: 1
  • Attic: Pull Down: Yes
  • Dining Room Ceilings: Extra Height: Yes
  • Dining Room Comments: KitchenDR: Yes
  • Dining Room Comments: LivingDining Room: Yes
  • Entry Hall Ceilings: Extra Height: Yes
  • Entry Hall Comments: Foyer: Yes
  • Family Room Ceilings: Tray: Yes
  • Family Room Comments: Built-Ins: Yes
  • Kitchen Ceilings: Extra Height: Yes
  • Kitchen Comments: Eat-In Kitchen: Yes
  • Kitchen Comments: Galley: Yes
  • Kitchen Comments: Island: Yes
  • Kitchen Comments: Pantry: Yes
  • Laundry Comments: Separate Room: Yes
  • LibraryDen Comments: Paneling: Yes
  • Living Room Ceilings: Extra Height: Yes
  • Other Room Comments: Office Space: Yes
  • Other Room Comments 2: Media Room: Yes
  • Other Room Comments 3: Playroom: Yes
  • Cooling System: Central AC: Yes
  • Heat System: Hydro-Air: Yes
  • Primary Bdrm Ceilings: Vaulted: Yes
  • Primary Bdrm Comments: Primary Bedroom Suite: Yes
  • Primary Bth Ceilings: Extra Height: Yes
  • Primary Bth Comments: Luxury Bath: Yes
  • Primary Bth Comments: Steam Shower: Yes
  • Cooling System: Central Air
Exterior Features
  • Exterior: Brick: Yes
  • Exterior: Stone: Yes
  • Court: No
  • Exterior: Brick, Stone
  • Roof: Slate
  • Pool YN: Yes
  • Features: Outdoor Shower, Fountain
Property
Lot Information
  • Location Property Info: List PriceSqFt: $1,087.66
  • Location Property Info: Owner: Hsiao, Paul
  • Location Property Info: Zoning: RA-4
  • Location Property Info: # FPs: 5.0
  • Lot Description: Formal Gardens,Parklike
  • Lot Size Acres: 2.41
  • Lot Size Area: 2.41
  • Lot Size Square Feet: 104979.6
  • Lot Size Units: Acres
  • Lot Description: Formal Gardens: Yes
  • Lot Description: Parklike: Yes
Property and Assessments
  • General Property Info: Acres -: 2.41
  • General Property Info: Year Renovations: 2015.0
  • General Property Info: Year Addition: 2015.0
  • General Property Info: Elementary School: Parkway
  • General Property Info: Middle School: Western
  • General Property Info: Pool Description: Heated
  • General Property Info: Design Plan: Open Plan
  • General Property Info: SqFt Source: Taxcard
  • Assessment: $2,588,320
  • Year Renovations: 2015
  • Zoning: RA-4
  • Sanitation Source: Septic Tank
  • SqFt Source: Taxcard
  • Outbuildings: Pool House
  • Waterfront Descrip: River Front
  • Excluded: Call LB: Yes
  • Features: Auto Gate: Yes
  • Features: Fenced Yard: Yes
  • Features: Fountain: Yes
  • Features: Generator: Yes
  • Features: Outdoor Shower: Yes
  • Features: Security System: Yes
  • Included: AV Equip: Yes
  • Included: All Kitchen Applncs: Yes
  • Included: Phone System: Yes
  • Included: WasherDryer: Yes
Utilities
  • Gas Source: Propane: Yes
  • Heat Fuel: Propane: Yes
  • Hot Water: Electric: Yes
  • Heat System: Hydro-Air, Propane
  • Water Source: Well
Multi Family
Building Details
  • Public Remarks: Honored for its remarkable architectural reimagining with the 2021 HOBI Award for Best New Old Home Remodel, this privately set 6-bedroom estate--originally built in 1804 and rebuilt in 2015 by Roger Ferris + Partners--rests on approximately 2.53 gated acres behind a gracious motor court, pairing classic architecture with contemporary design. Natural light pours through oversized windows across a seamless open floor plan anchored by a sleek, beautifully appointed kitchen. En suite bedrooms, dual family rooms, a media room, private offices, and a calm, elegantly composed primary suite provide flexibility for every version of life. Multiple fireplaces add warmth throughout.
  • Parking Desc: Detached, Attached, Electric Gate

Property History for 306 Round Hill Road

DateEvent & SourcePriceAppreciation
Jun 30, 2023

Closed (Public Record)

Public Record #1514654729

$6,160,000

+11.8% / yr

Aug 7, 2012

Closed (Public Record)

Public Record #335753726

$1,825,000

-4.8% / yr

Mar 14, 1997

Closed (Public Record)

Public Record #91003967

$3,900,000—
DateEvent & SourcePrice
06/30/2023

Closed (Public Record)

Public Record #1514654729

$6,160,000

+11.8% / yr

08/07/2012

Closed (Public Record)

Public Record #335753726

$1,825,000

-4.8% / yr

03/14/1997

Closed (Public Record)

Public Record #91003967

$3,900,000

For completeness, we often displays two records for one sale: the MLS record and the public record.

Public Records for 306 Round Hill Road

Taxable ValueLand$679,700Additions$1,908,620Total$2,588,320
Tax Record2024$31,163 ($2,597 / month)
Home Facts
Beds6Baths8.5Total Finished SqFt6,799 SqFtAbove Grade Finished SqFt6,799 SqFtStories2Lot Size104,980 SqFtStyleSingle Family ResidenceYear Built2015ZoningRA-4CountyWESTERN CONNECTICUTAPNGREE M:10 B:1018

Schools near 306 Round Hill Road

This home is within Greenwich School District.
Rating
School
Type
Grades
Distance
Public - K to 5
Public - 6 to 8
Public - 9 to 12
Rating
School
Distance
Parkway School
PublicK to 5

Western Middle School
Public6 to 8

Greenwich High School
Public9 to 12

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

Similar Homes

306 Round Hill Road is a single family home for sale in Greenwich, CT 06831. This property was listed for sale on May 11, 2026 by Douglas Elliman of Connecticut, it's currently listed at $7,395,000. It has been on the market for a total of 32 days and was last sold on June 30, 2023. This listing's school district is Greenwich School District. Nearby schools include Parkway School, Western Middle School and Greenwich High School. 306 Round Hill Road is a 6-bed, 10-bath, 6,799 sqft single family home built in 2015.

No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of any information, descriptions or measurements (including square footage measurements and property condition), such should be independently verified through appropriate means, including, but not limited to, in person inspection and public records, and Compass International Holdings, its subsidiaries, affiliates and independently owned and operated franchisees, and their affiliated agents and associated third parties expressly disclaim any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the seller's discretion. No financial or legal advice provided. Equal Housing Opportunity. Subject to change at any time. Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties make no guarantee, warranty or representation regarding the accuracy of any waterfront feature, water view or waterfront view.

Listing Courtesy of Douglas Elliman of Connecticut, Megan Sullivan

Based on information from one of the following Multiple Listing Services: Darien MLS, Smart MLS and Greenwich Multiple Listing Service. Information being provided is for the visitor’s personal, noncommercial use and may not be used for any purpose other than to identify prospective properties visitor may be interested in purchasing. The data contained herein is copyrighted by Darien MLS, Smart MLS and Greenwich Multiple Listing Service is protected by all applicable copyright laws. Any dissemination of this information is in violation of copyright laws and is strictly prohibited. Property information referenced on this web site comes from the Internet Data Exchange (IDX) program of the MLS. This web site may reference real estate listing(s) held by a brokerage firm other than the broker and/or agent who owns this web site. For the avoidance of doubt, the accuracy of all information, regardless of source, is deemed reliable but not guaranteed and should be personally verified through personal inspection by and/or with the appropriate professionals.