This home's estimate is 280.4% higher than the average sale price ($7.47M) of 6 comparable homes.
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- Sale & tax history
- Property details
- Neighborhood
124 Old Mill Rd, Greenwich, CT 06831
About this home
One of the last Great Estates of Greenwich, now with a new renovations. Gracing 75± pastoral acres, Old Mill Farm is a 1926 landmark designed by noted architect Charles Lewis Bowman for financier George Lewis Ohrstrom. Resting at the end of a private, formal drive, the Elizabethan-inspired Tudor manse of 15,800± SF is picturesque showcasing museum-quality details including 17th-century English paneling. The monumental Great Hall soars to a 40-ft cathedral ceiling above the minstrel's gallery, walk-in fireplace and leaded glass windows. Renowned landscape designer James Doyle has transformed the grounds with atmospheric formal gardens including a sculpted maze. Also on the grounds are a terraced pool, tennis court, greenhouse, stable, Cotswold cottage, log cabin and stream-fed pond.
Redfin Estimate
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Market trends in 06831, CT
Last updated September 2026
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Seller's Market
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Sale history for 124 Old Mill Rd
$835/sq ft
$1,258/sq ft
$1,623/sq ft
$1,885/sq ft
$1,513/sq ft
$1,876/sq ft
$583/sq ft
$662/sq ft
Tax history for 124 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: 4
- Parking Features: Electric Gate
Interior
- Bathroom Information
- # of Full Bathrooms: 7
- # of Half Bathrooms: 5
- Bathrooms Total Integer: 12
- Bathrooms Total Decimal: 9.5
- Heating & Cooling
- Has Cooling
- Cooling: Central A/C
- Has Heating
- Heating: Hot Water, Oil
- Interior Features
- Interior Features: Kitchen Island, Back Stairs
- Has Fireplace(s)
- # of Fireplaces Total: 7
- Basement: Full, Partially Finished
Exterior
- Exterior Features
- Exterior Features: Dock, Putting Green
- Patio And Porch Features: Terrace
- Horse Amenities: Paddocks
- Private Pool
- Property Information
- Property Sub-Type: Single Family Residence
- Year Built: 1927
- Year Built Effective: 2011
- Roof: Tile
- Construction Materials: Stone
- Other Structures: Shed(s), Stable(s), Greenhouse, Staff Quarters
- Security Features: Security System
- Other Equipment: Generator
- Building Area Total: 15862.0
- Building Area Source: Taxcard
- Lot Information
- Lot Features: Extra Lot(s), Parklike
- On Waterfront
- Waterfront Features: Pond/Lake
- Lot Size Area: 75.7
- Lot Size Units: Acres
- Lot Size Square Feet: 3297492.0
- Lot Size Acres: 75.7
- Zoning: RA-4
Financial
- Tax Information
- Tax Annual Amount: $201,924
- Tax Assessed Value: $17,759,350
Utilities
- Utilities Information
- Utilities: Propane
- Sewer: Septic Tank
- Water Source: Well
Location
- School Information
- Elementary School: Parkway
- Middle Or Junior School: Western
Public facts
- Beds: 8
- Baths: 9.5
- Sq. Ft.: 15,862
- Stories: 2.0
- Parking Spaces: 4
- Basement: Yes
- Accessible: No
- Lot Size: 75.7 acres
- Style: Single Family Residential
- Year Built: 1927
- Year Renovated: —
- County: Fairfield County
- APN: 1847786
- HOA Dues: —
- Garage: Yes
- Features: Waterfront, Pool
Around this home
Schools
Public K-5 • Assigned • 1.5mi
Public 6-8 • Assigned • 5.6mi
Public 9-12 • Assigned • 4.3mi
Lifestyle
Provided by Walk Score and Local Logic
Sun exposure
In this area, properties receive around 8.7 hours in June and 4.3 hours in December, placing it below the U.S. average for solar exposure.
Nearby similar homes
New listings for sale in 06830
Home values near 124 Old Mill Rd
| Address | Redfin Estimate |
|---|---|
3 Beds | 3 Baths | 1772 Sq. Ft. | $1,679,080 |
6 Beds | 7 Baths | 9856 Sq. Ft. | $6,864,212 |
| Address | Redfin Estimate |
|---|---|
4 Beds | 6.5 Baths | 6338 Sq. Ft. | $3,952,375 |
2 Beds | 2 Baths | 1408 Sq. Ft. | $1,646,280 |
| Address | Redfin Estimate |
|---|---|
3 Beds | 2.5 Baths | 2136 Sq. Ft. | $2,084,575 |
6 Beds | 6.5 Baths | 7266 Sq. Ft. | $7,308,547 |
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