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Under contract
    • $1,699,000

    21 Williamsburg Lane, Avon, CT 06001

    5beds
    7,130sqft
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    Single Family Residence
    Built in 1999
    1.05 Acres Lot
    $-- Zestimate®
    $238/sqft
    $-- HOA

    What's special

    Professionally manicured park-like groundsBespoke barMedia roomElegant architectural detailsSophisticated private libraryGracious living spacesCircular driveway
    Set within one of West Avon's most prestigious neighborhoods, this extraordinary custom-built brick estate offers over 7,130 square feet of luxurious living space, blending timeless craftsmanship with modern sophistication. Privately sited on a rare level lot, the property is framed by a circular driveway, professionally manicured park-like grounds, and mature specimen trees, all backing to 40 acres of protected farmland for an unparalleled sense of privacy and tranquility. Inside, soaring 9-foot ceilings, expansive sun-drenched interiors, and elegant architectural details create a refined yet inviting ambiance throughout. Designed for both grand-scale entertaining and effortless everyday living, the gourmet chef's kitchen is appointed with Sub-Zero refrigeration and dual Miele dishwashers and flows seamlessly into the home's gracious living spaces. An oversized formal dining room provides the perfect setting for memorable gatherings and elegant entertaining. The main level features a stunning family room and formal living room, each anchored by its own fireplace, as well as a sophisticated private library ideal for a home office or quiet retreat. The home offers 5 bedrooms, 5 full baths, and 2 half baths, highlighted by a luxurious primary suite with an oversized walk-in closet and adjoining flex space perfect for a private office, lounge, or fitness studio. The finished lower level is designed for elevated entertaining, complete with custom built-ins, a bespoke bar, media room, and potential for an in-law or guest suite. Outdoors, the expansive backyard offers the perfect setting for a future resort-style pool and outdoor oasis. Ideally located just minutes from premier shopping, top-rated schools, fine dining, major highways, and Bradley International Airport. This impeccably maintained residence has been thoughtfully updated with a new roof (2025), Carrier Infinity Smart HVAC system (2025), radiant heated floors, Buderus boiler, freshly painted exterior, and maintenance-free Azek trim. A rare offering that embodies luxury, privacy, and estate-style living in one of Avon's most coveted locations.
    48 days
    |
    305
    |
    17
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    Zillow last checked:

    Listing updated:

    Listed by:

    Cyndi Dryfe (860)881-5003,

    Coldwell Banker Realty 860-674-0300

    Source: Smart MLS,MLS#: 24173575MLS Logo

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 5
      • Bathrooms: 7
      • Full bathrooms: 5
      • 1/2 bathrooms: 2
      Rooms
      • Room types: Bonus Room, Exercise Room
      Primary bedroom
      • Features: High Ceilings, Whirlpool Tub, Walk-In Closet(s), Hardwood Floor
      • Level: Upper
      • Area: 420 Square Feet
      • Dimensions: 20 x 21
      Bedroom
      • Features: High Ceilings, Full Bath, Hardwood Floor
      • Level: Main
      • Area: 255 Square Feet
      • Dimensions: 15 x 17
      Bedroom
      • Features: High Ceilings, Full Bath, Hardwood Floor
      • Level: Upper
      • Area: 240 Square Feet
      • Dimensions: 15 x 16
      Bedroom
      • Features: High Ceilings, Full Bath, Hardwood Floor
      • Level: Upper
      • Area: 240 Square Feet
      • Dimensions: 15 x 16
      Bedroom
      • Features: High Ceilings, Hardwood Floor
      • Level: Upper
      • Area: 196 Square Feet
      • Dimensions: 14 x 14
      Dining room
      • Features: High Ceilings, Hardwood Floor
      • Level: Main
      • Area: 289 Square Feet
      • Dimensions: 17 x 17
      Family room
      • Features: High Ceilings, Fireplace, Hardwood Floor
      • Level: Main
      • Area: 399 Square Feet
      • Dimensions: 19 x 21
      Kitchen
      • Features: High Ceilings, Breakfast Bar, Quartz Counters, Double-Sink, Kitchen Island, Hardwood Floor
      • Level: Main
      • Area: 408 Square Feet
      • Dimensions: 17 x 24
      Library
      • Features: High Ceilings, Bookcases, Hardwood Floor
      • Level: Main
      • Area: 143 Square Feet
      • Dimensions: 11 x 13
      Living room
      • Features: High Ceilings, Fireplace, Hardwood Floor
      • Level: Main
      • Area: 195 Square Feet
      • Dimensions: 13 x 15
      Office
      • Features: French Doors, Hardwood Floor
      • Level: Upper
      • Area: 400 Square Feet
      • Dimensions: 20 x 20
      Rec play room
      • Features: Built-in Features, Wet Bar, Entertainment Center, Full Bath, Wall/Wall Carpet, Slate Floor
      • Level: Lower
      Heating
      • Hydro Air, Radiant, Natural Gas
      Cooling
      • Central Air, Zoned
      Appliances
      • Included: Gas Range, Microwave, Range Hood, Subzero, Dishwasher, Disposal, Washer, Dryer, Gas Water Heater, Water Heater
      • Laundry: Upper Level
      Features
      • Sound System, Wired for Data, Central Vacuum, Open Floorplan, Smart Thermostat
      • Windows: Thermopane Windows
      • Basement: Full,Heated,Finished,Cooled,Interior Entry,Liveable Space
      • Attic: Walk-up
      • Number of fireplaces: 2
      Interior area
      • Total structure area: 7,130
      • Total interior livable area: 7,130 sqft
      • Finished area above ground: 5,630
      • Finished area below ground: 1,500

      Property

      Parking
      • Total spaces: 3
      • Parking features: Attached, Garage Door Opener
      • Attached garage spaces: 3
      Features
      • Patio & porch: Patio
      • Exterior features: Rain Gutters, Garden, Lighting, Underground Sprinkler
      Lot
      • Size: 1.05 Acres
      • Features: Secluded, Level, Landscaped
      Details
      • Parcel number: 1801794
      • Zoning: R40

      Construction

      Type & style
      • Home type: SingleFamily
      • Architectural style: Colonial
      • Property subtype: Single Family Residence
      Materials
      • Clapboard, Brick, Wood Siding
      • Foundation: Concrete Perimeter
      • Roof: Asphalt
      Condition
      • New construction: No
      • Year built: 1999

      Utilities & green energy

      • Sewer: Public Sewer
      • Water: Public
      • Utilities for property: Underground Utilities
      Green energy
      • Energy efficient items: Windows

      Community & HOA

      Community
      • Features: Golf, Health Club, Library, Medical Facilities, Private School(s), Public Rec Facilities, Stables/Riding, Tennis Court(s)
      • Security: Security System
      • Subdivision: No
      HOA
      • Has HOA: No
      Location
      • Region: Avon

      Financial & listing details

      • Price per square foot: $238/sqft
      • Tax assessed value: $631,270
      • Annual tax amount: $19,412
      • Date on market: 5/29/2026

        Estimated market value

        Not available

        Estimated sales range

        Not available

        Not available

        Price history

        DateEventPrice
        6/20/2026Pending sale$1,699,000$238/sqft
        Source: Smart MLS #24173575 Report a problem
        5/29/2026Listed for sale$1,699,000+21.4%$238/sqft
        Source: Smart MLS #24173575 Report a problem
        8/12/2021Listing removed--
        Source: Smart MLS #170407616 Report a problem
        7/14/2021Price change$1,400,000+5.7%$196/sqft
        Source: Smart MLS #170407616 Report a problem
        6/14/2021Listed for sale$1,325,000+68.2%$186/sqft
        Source: Smart MLS #170407616 Report a problem
        8/13/2002Sold$787,900$111/sqft
        Source: Public Record Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2025$19,412 +3.7%$631,270
        2024$18,723 +3.5%$631,270 +23.5%
        2023$18,083 +2.3%$510,970
        2022$17,685 +1.2%$510,970
        2021$17,480 +4%$510,970
        2020$16,811 $510,970
        2019$16,811 -3.1%$510,970 -7.7%
        2018$17,347 +2.5%$553,330
        2017$16,926 +6.2%$553,330
        2015$15,936 +1.7%$553,330
        2014$15,670 -1.2%$553,330 -8.2%
        2013$15,864 +2.6%$602,730
        2012$15,460 +2.4%$602,730
        2011$15,092 +7%$602,730
        2010$14,110 $602,730
        2009$14,110 +3.1%$602,730 +16.8%
        2008$13,686 +3.8%$515,860
        2007$13,180 +2.8%$515,860
        2006$12,819 +5.9%$515,860 0%
        2004$12,103 +2.6%$515,900 +23.8%
        2003$11,793 +9.2%$416,700 0%
        2001$10,795 +488.6%$416,800 +373.9%
        1996$1,834 $87,960
        Find assessor info on the county website

        Monthly payment

        Est. payment

        Payment breakdown

        Explore the cost of this home by adjusting the details. Changes won't be saved.
        All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
        HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
        Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
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        Climate risks

        Neighborhood: 06001

        Getting around

        7 / 100
        Car-Dependent
        22 / 100
        Somewhat Bikeable

        Nearby schools

        GreatSchools rating
        Schools provided by the listing agent
        • Elementary: Pine Grove
        • Middle: Avon,Thompson
        • High: Avon

        Source: Smart MLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.

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