This home's estimate is 4.6% higher than the average sale price ($5.20M) of 6 comparable homes.
Search- Overview
- Sale & tax history
- Property details
- Neighborhood
- Climate




























215 Old Mill Rd, Greenwich, CT 06831
About this home
Exceptionally private 11.92 acre estate offers an idyllic country oasis with gracious Colonial, pool, pool house and guest cottage surrounded by 60 Greenwich Land Trust acres with riding trail access. Classically appointed 4401 square foot main house affords expansive formal rooms with fireplaces, generous eat-in kitchen with endless potential for dream kitchen; wood paneled den; master suite, guest suite with sitting room and three en-suite bedrooms. Charming 1658 square foot two bedroom guest cottage provides an art studio and office on lower level. Pool house with two changing rooms, bath and loggia. A superb covered porch off living room, detached five-car garage, garden center and old stable. This magical storybook setting is ideally located near back country. Showings per Covid requirements for masks etc. Dining room sconces excluded.
Redfin Estimate
Earn from this home
List your home with Redfin and save $54,420
Get cash now or lower your monthly rate
Market trends in 06831, CT
Last updated September 2026
Buyer's Market
Seller's Market
Seller's market
See all
Provided by Redfin
Sale history for 215 Old Mill Rd
$560/sq ft
$532/sq ft
$560/sq ft
$610/sq ft
$648/sq ft
$560/sq ft
$560/sq ft
$648/sq ft
Tax history for 215 Old Mill Rd
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Public record
Property details
Parking
- Parking and Garage Information
- Has Garage
- # of Garage Spaces: 5
- Parking Features: Garage Door Opener
Interior
- Virtual Tour Information
- Bathroom Information
- # of Full Bathrooms: 6
- # of Half Bathrooms: 1
- Bathrooms Total Integer: 7
- Bathrooms Total Decimal: 6.5
- Heating & Cooling
- Has Cooling
- Cooling: Window Unit(s)
- Has Heating
- Heating: Hot Water, Oil
- Interior Features
- Interior Features: Eat-in Kitchen, Back Stairs
- Has Fireplace(s)
- # of Fireplaces Total: 3
- Basement: Unfinished
Exterior
- Exterior Features
- Patio And Porch Features: Terrace
- Private Pool
- Pool Features: Waterfall
- Property Information
- Property Sub-Type: Single Family Residence
- Year Built: 1954
- Roof: Asphalt
- Construction Materials: Clapboard
- Other Structures: Guest House, Pool House, Studio
- Security Features: Security System
- Building Area Total: 6059.0
- Building Area Source: Taxcard
- Lot Information
- Lot Features: Adjcnt Conservation, Parklike
- On Waterfront
- Waterfront Features: Pond/Lake
- Lot Size Area: 11.92
- Lot Size Units: Acres
- Lot Size Square Feet: 519235.2
- Lot Size Acres: 11.92
- Zoning: RA-4
Financial
- Tax Information
- Tax Annual Amount: $27,922
- Tax Assessed Value: $2,390,570
Utilities
- Utilities Information
- Sewer: Septic Tank
- Water Source: Well
Location
- School Information
- Elementary School: Parkway
- Middle Or Junior School: Western
Public facts
- Beds: —
- Baths: —
- Sq. Ft.: —
- Stories: —
- Lot Size: 11.97 acres
- Style: Other
- Year Built: —
- Year Renovated: —
- County: Fairfield County
- APN: 1845375
Around this home
Schools
Public K-5 • Assigned • 1.8mi
Public 6-8 • Assigned • 5.9mi
Public 9-12 • Assigned • 4.9mi
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
Estimated 11-17% chance of a flood reaching the building in the next 30 years
0.31% chance of being in a wildfire in next 30 years
7 days above 98° expected this year, 15 days in 30 years
27% chance of strong winds in next 30 years
5 unhealthy days expected this year, 7 days in 30 years
Sun exposure
Try the sun simulator tool to see how light moves across the property at different times of day and year.
Nearby similar homes
New listings for sale in 06831
Home values near 215 Old Mill Rd
| Address | Redfin Estimate |
|---|---|
5 Beds | 5.5 Baths | 5229 Sq. Ft. | $3,333,333 |
4 Beds | 2.5 Baths | 4194 Sq. Ft. | $5,065,187 |
| Address | Redfin Estimate |
|---|---|
6 Beds | 6.5 Baths | 5142 Sq. Ft. | $4,808,348 |
4 Beds | 2 Baths | 1872 Sq. Ft. | $1,820,232 |
| Address | Redfin Estimate |
|---|---|
4 Beds | 4 Baths | 4456 Sq. Ft. | $4,668,631 |
3 Beds | 2.5 Baths | 2584 Sq. Ft. | $2,949,861 |
More real estate resources
- Cities
- Zip Codes
- Minor Civil Divisions
- Neighborhoods
- Popular Searches
| Manhattan homes for sale | |||
| New York homes for sale | |||
| Stamford homes for sale |
| 06830 homes for sale | |||
| 06902 homes for sale | |||
| 10573 homes for sale | |||
| 06905 homes for sale | |||
| 10580 homes for sale |
| Wilton homes for sale | |||
| Teaneck Township homes for sale | |||
| Weston homes for sale | |||
| Fairfield homes for sale | |||
| New Canaan homes for sale |
| North Stamford homes for sale | |||
| Eastern Greenwich homes for sale | |||
| Purchase homes for sale | |||
| North Old Greenwhich homes for sale | |||
| West Harrison homes for sale |
Find us
Subsidiaries
Affiliated Business
Copyright: © 2026 Redfin. All rights reserved.
Updated September 2025: By searching, you agree to the Terms of Use, and Privacy Policy.
Do not sell or share my personal information.
REDFIN and all REDFIN variants, WALK SCORE, and the R logos, are trademarks of Redfin Corporation, registered or pending in the USPTO.
California DRE #01521930
Redfin is licensed to do business in New York as Redfin Real Estate. NY Standard Operating Procedures
New Mexico Real Estate Licenses
TREC: Info About Brokerage Services, Consumer Protection Notice
All mortgage lending products and information are provided by Rocket Mortgage, LLC | NMLS #3030; www.NMLSConsumerAccess.org. Licensed in 50 states. This site is not authorized by the New York State Department of Financial Services for mortgage solicitation or loan applications activities related to properties located in the State of New York.
Redfin Corporation is an affiliated business of Rocket Limited Partnership. Each company, and their subsidiaries, are separate legal entities operated and managed through its own management and governance structures.
If you are using a screen reader, or having trouble reading this website, please call Redfin Customer Support for help at 1-844-759-7732.
REDFIN IS COMMITTED TO AND ABIDES BY THE FAIR HOUSING ACT AND EQUAL OPPORTUNITY ACT. READ REDFIN'S FAIR HOUSING POLICY AND THE NEW YORK STATE FAIR HOUSING NOTICE.









































United States
Canada