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Sold for $8,500,000
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    • $8,500,000

    170 Old Mill Rd, Greenwich, CT 06831

    7beds
    13,974sqft
    Residential, Single Family Residence
    Built in 2005
    4.11 Acres Lot
    $8,541,500 Zestimate®
    $608/sqft
    $-- Estimated rent

    Home value

    $8,541,500

    $7.77M - $9.40M

    Not available

    Zestimate® history

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    What's special

    Beautifully maintained & stylishly reimagined for today's lifestyle, this exceptional 7-bedroom home offers privacy, comfort & resort-style living on 4 gated acres with pool, spa, terraces & expansive lawn. Designed for both everyday living & entertaining, the floor plan features generously sized rooms, dramatic double-height family room, sophisticated bar area & updated kitchen with 2 oversized islands. The luxurious primary suite includes dual walk-in closets & spa-like bath, while all additional bedrooms are en-suite. A first-floor guest suite, mudroom, collector's garage, finished lower level with family room & gym, plus third-floor storage add flexibility. Thoughtfully designed indoor & outdoor spaces create the perfect setting for enjoying the privacy of this extarordinary home.

    Zillow last checked:

    Listing updated:

    Listed by:

    Joanne Mancuso 203-667-3887,

    Houlihan Lawrence

    Bought with:

    SOLD DIRECT

    Source: Greenwich MLS, Inc.,MLS#: 125584MLS Logo

    Facts & features

    Interior

    Bedrooms & bathrooms
    • Bedrooms: 7
    • Bathrooms: 10
    • Full bathrooms: 7
    • 1/2 bathrooms: 3
    Heating
    • Hydro-Air, Oil
    Cooling
    • Central Air
    Appliances
    • Laundry: Laundry Room
    Features
    • Kitchen Island, Vaulted Ceiling(s), Bookcases, Pantry, Back Stairs
    • Basement: Finished
    • Number of fireplaces: 8
    Interior area
    • Total structure area: 13,974
    • Total interior livable area: 13,974 sqft

    Property

    Parking
    • Total spaces: 4
    • Parking features: Electric Gate
    • Garage spaces: 4
    Features
    • Patio & porch: Terrace
    • Exterior features: Balcony
    • Has private pool: Yes
    • Fencing: Fenced
    Lot
    • Size: 4.11 Acres
    • Features: Level
    Details
    • Additional structures: Shed(s)
    • Parcel number: 103124
    • Zoning: RA-4
    • Other equipment: Generator, Intercom

    Construction

    Type & style
    • Home type: SingleFamily
    • Property subtype: Residential, Single Family Residence
    Materials
    • Shingle Siding, Stone
    • Roof: Wood
    Condition
    • Year built: 2005
    • Major remodel year: 2021

    Utilities & green energy

    • Sewer: Septic Tank
    • Water: Well
    • Utilities for property: Propane

    Community & HOA

    Community
    • Security: Security System
    Location
    • Region: Greenwich

    Financial & listing details

    • Price per square foot: $608/sqft
    • Tax assessed value: $4,758,040
    • Annual tax amount: $48,175
    • Date on market: 7/27/2026
    • Inclusions: Washer/Dryer, Play Area Equip, All Kitchen Applncs

    Price history

    DateEventPrice
    8/31/2026Sold$8,500,000+0.1%$608/sqft
    Source: Greenwich MLS, Inc. #125584 Report a problem
    8/13/2026Pending sale$8,495,000$608/sqft
    Source: Greenwich MLS, Inc. #125584 Report a problem
    8/5/2026Contingent$8,495,000$608/sqft
    Source: Greenwich MLS, Inc. #125584 Report a problem
    7/27/2026Listed for sale$8,495,000+98.9%$608/sqft
    Source: Greenwich MLS, Inc. #125584 Report a problem
    7/31/2020Sold$4,270,000-13.7%$306/sqft
    Source: Greenwich MLS, Inc. #107944 Report a problem
    11/8/2019Price change$4,945,500-10%$354/sqft
    Source: Houlihan Lawrence #107944 Report a problem
    9/26/2019Listed for sale$5,495,000+12.1%$393/sqft
    Source: Houlihan Lawrence #107944 Report a problem
    10/22/2015Sold$4,900,000-44.6%$351/sqft
    Source: Greenwich MLS, Inc. #91212 Report a problem
    5/5/2006Sold$8,850,000+289%$633/sqft
    Source: Public Record Report a problem
    10/4/2002Sold$2,275,000$163/sqft
    Source: Public Record Report a problem

    Public tax history

    YearProperty taxesTax assessment
    2025$40,642 +2.8%$3,375,540
    2024$39,528 +2.8%$3,375,540
    2023$38,447 +1%$3,375,540
    2022$38,076 -4.2%$3,375,540 -1.6%
    2021$39,759 $3,430,420
    2020$39,759 -0.8%$3,430,420
    2019$40,067 +2.7%$3,430,420
    2018$39,004 $3,430,420
    2017$39,004 -42.4%$3,430,420 -42.9%
    2015$67,755 +2.7%$6,012,020
    2014$65,952 +2.7%$6,012,020
    2013$64,208 -2.9%$6,012,020
    2012$66,132 +8.8%$6,012,020
    2011$60,782 +7.9%$6,012,020 -8.3%
    2010$56,338 +3.4%$6,558,580
    2009$54,502 +3.4%$6,558,580
    2008$52,731 +3.6%$6,558,580
    2007$50,895 +4.1%$6,558,580 +0.6%
    2006$48,910 +210.3%$6,521,270 +376.2%
    2005$15,761 +18.3%$1,369,340 +14.3%
    2004$13,325 +3.4%$1,198,330
    2003$12,882 +23.8%$1,198,330 +115.4%
    2001$10,403 +5.7%$556,290
    2000$9,846 -4.6%$556,290
    1999$10,319 $556,290
    Find assessor info on the county website

    Neighborhood: 06831

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    Nearby schools

    GreatSchools rating
    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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    Sell for more on Zillow
    Get a Zillow Showcase℠ listing at no additional cost and you could sell for .
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    With Zillow Showcase(estimated)

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