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For sale
    • Price cut: $76K (7/30)
    $3,799,000

    21 Balfour St, Lexington, MA 02421

    6beds
    7,123sqft
    : 
    $25,032/mo
    Get pre-qualified
    Single Family Residence
    Built in 2026
    0.67 Acres Lot
    $3,640,900 Zestimate®
    $533/sqft
    $-- HOA

    What's special

    Superb craftsmanshipCustom designed deckFinished walk-out lower levelFive generous bedroomsSprawling gorgeous backyardFinest millworkExpansive stone patio
    Outstanding new construction Colonial by top development group featuring superb craftsmanship and exquisite details throughout highlighting the finest millwork, cabinetry and built-ins. A brilliantly designed main level with front and rear staircases, designer kitchen with extensive custom cabinetry, oversized island, Wolf appliances and separate Sub-Zero refrigerator and freezer, along with a butler's pantry and separate prep kitchen. The flexible layout throughout provides options for a bedroom/office on main level, as well as, the lower level. Five generous bedrooms on the second level including the stunning primary suite will exceed all expectations. The finished walk-out lower level offers wonderful entertainment options with beverage center, full bath, recreational and exercise areas leading out to an expansive stone patio, custom designed deck and sprawling gorgeous backyard. Located in a sought after neighborhood with easy access to the town center and numerous amenities.
    88 days
    |
    977
    |
    41
    |

    Zillow last checked:

    Listing updated:

    Listed by:

    The Joyce Team 781-727-9284,

    Compass 781-386-0624

    Source: MLS PIN,MLS#: 73519860

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 6
      • Bathrooms: 7
      • Full bathrooms: 6
      • 1/2 bathrooms: 1
      Primary bedroom
      • Features: Bathroom - Full, Bathroom - Double Vanity/Sink, Walk-In Closet(s), Closet/Cabinets - Custom Built, Flooring - Hardwood, Recessed Lighting, Lighting - Overhead, Tray Ceiling(s)
      • Level: Second
      Bedroom 2
      • Features: Bathroom - Full, Bathroom - Double Vanity/Sink, Closet/Cabinets - Custom Built, Flooring - Hardwood, Recessed Lighting
      • Level: Second
      Bedroom 3
      • Features: Bathroom - Full, Bathroom - Double Vanity/Sink, Closet/Cabinets - Custom Built, Flooring - Hardwood, Recessed Lighting
      • Level: Second
      Bedroom 4
      • Features: Bathroom - Full, Closet/Cabinets - Custom Built, Flooring - Hardwood, Recessed Lighting
      • Level: Second
      Bedroom 5
      • Features: Bathroom - Full, Closet/Cabinets - Custom Built, Flooring - Hardwood, Recessed Lighting
      • Level: Second
      Primary bathroom
      • Features: Yes
      Bathroom 1
      • Features: Bathroom - Full, Bathroom - Double Vanity/Sink, Bathroom - Tiled With Shower Stall, Flooring - Stone/Ceramic Tile, Countertops - Stone/Granite/Solid, Double Vanity, Recessed Lighting, Crown Molding, Soaking Tub
      • Level: Second
      Bathroom 2
      • Features: Bathroom - Full, Bathroom - Double Vanity/Sink, Bathroom - Tiled With Tub & Shower, Flooring - Stone/Ceramic Tile, Countertops - Stone/Granite/Solid, Double Vanity, Recessed Lighting, Crown Molding
      • Level: Second
      Bathroom 3
      • Features: Bathroom - Full, Bathroom - Tiled With Shower Stall, Flooring - Stone/Ceramic Tile, Recessed Lighting, Crown Molding
      • Level: First
      Dining room
      • Features: Closet/Cabinets - Custom Built, Flooring - Hardwood, Recessed Lighting, Wainscoting, Lighting - Overhead, Archway, Crown Molding, Tray Ceiling(s)
      • Level: First
      Family room
      • Features: Coffered Ceiling(s), Closet/Cabinets - Custom Built, Flooring - Hardwood, Recessed Lighting, Wainscoting
      • Level: First
      Kitchen
      • Features: Closet/Cabinets - Custom Built, Flooring - Hardwood, Dining Area, Pantry, Countertops - Stone/Granite/Solid, Kitchen Island, Deck - Exterior, Exterior Access, Recessed Lighting, Stainless Steel Appliances, Storage, Wine Chiller, Lighting - Pendant, Crown Molding
      • Level: First
      Living room
      • Features: Closet/Cabinets - Custom Built, Flooring - Hardwood, Open Floorplan, Recessed Lighting, Wainscoting, Lighting - Overhead, Archway, Crown Molding
      • Level: First
      Office
      • Features: Bathroom - Full, Bathroom - Tiled With Shower Stall, Closet/Cabinets - Custom Built, Flooring - Hardwood, French Doors, Recessed Lighting, Wainscoting, Crown Molding
      • Level: First
      Heating
      • Central, Forced Air, Heat Pump, Electric
      Cooling
      • Central Air, Heat Pump
      Appliances
      • Included: Water Heater, Range, Oven, Dishwasher, Disposal, Microwave, Refrigerator, Freezer, Wine Refrigerator, Range Hood, Other, Wine Cooler, Second Dishwasher
      • Laundry: Closet/Cabinets - Custom Built, Sink, Second Floor, Electric Dryer Hookup, Washer Hookup
      Features
      • Bathroom - Full, Bathroom - Tiled With Shower Stall, Closet/Cabinets - Custom Built, Recessed Lighting, Wainscoting, Crown Molding, Walk-In Closet(s), Lighting - Overhead, Wet bar, Countertops - Stone/Granite/Solid, Office, Bedroom, Game Room, Kitchen, Central Vacuum, Wet Bar, Wired for Sound, High Speed Internet, Other
      • Flooring: Tile, Carpet, Hardwood, Flooring - Hardwood
      • Doors: French Doors
      • Windows: Insulated Windows, Screens
      • Basement: Full,Finished,Walk-Out Access,Interior Entry
      • Number of fireplaces: 2
      • Fireplace features: Family Room, Master Bedroom
      Interior area
      • Total structure area: 7,123
      • Total interior livable area: 7,123 sqft
      • Finished area above ground: 5,517
      • Finished area below ground: 1,606

      Property

      Parking
      • Total spaces: 10
      • Parking features: Attached, Garage Door Opener, Heated Garage, Paved Drive, Off Street
      • Attached garage spaces: 2
      • Uncovered spaces: 8
      Accessibility
      • Accessibility features: Accessible Entrance
      Features
      • Patio & porch: Deck, Patio
      • Exterior features: Deck, Patio, Rain Gutters, Professional Landscaping, Sprinkler System, Decorative Lighting, Screens, Stone Wall
      Lot
      • Size: 0.67 Acres
      • Features: Cleared
      Details
      • Parcel number: 555042
      • Zoning: RES

      Construction

      Type & style
      • Home type: SingleFamily
      • Architectural style: Colonial
      • Property subtype: Single Family Residence
      Materials
      • Frame
      • Foundation: Concrete Perimeter
      • Roof: Shingle,Metal
      Condition
      • Year built: 2026

      Utilities & green energy

      • Electric: Circuit Breakers
      • Sewer: Public Sewer
      • Water: Public
      • Utilities for property: for Electric Range, for Electric Dryer, Washer Hookup
      Green energy
      • Energy efficient items: Thermostat, Other (See Remarks)
      • Energy generation: Solar

      Community & HOA

      Community
      • Features: Public Transportation, Shopping, Pool, Tennis Court(s), Park, Walk/Jog Trails, Golf, Medical Facility, Bike Path, Conservation Area, Highway Access, House of Worship, Public School
      HOA
      • Has HOA: No
      Location
      • Region: Lexington

      Financial & listing details

      • Price per square foot: $533/sqft
      • Tax assessed value: $1,032,000
      • Annual tax amount: $12,621
      • Date on market: 5/15/2026

        Estimated market value

        $3,640,900

        $3.46M - $3.82M

        $4,439/mo

        Price history

        DateEventPrice
        7/30/2026Price change$3,799,000-2%$533/sqft
        Source: MLS PIN #73519860 Report a problem
        5/15/2026Listed for sale$3,875,000-0.1%$544/sqft
        Source: MLS PIN #73519860 Report a problem
        5/13/2026Listing removed$3,880,000$545/sqft
        Source: MLS PIN #73474521 Report a problem
        4/7/2026Listed for sale$3,880,000$545/sqft
        Source: MLS PIN #73474521 Report a problem
        4/4/2026Contingent$3,880,000$545/sqft
        Source: MLS PIN #73474521 Report a problem
        3/12/2026Price change$3,880,000-2.4%$545/sqft
        Source: MLS PIN #73474521 Report a problem
        2/5/2026Listed for sale$3,975,000$558/sqft
        Source: MLS PIN #73474521 Report a problem
        12/18/2025Listing removed$3,975,000$558/sqft
        Source: MLS PIN #73430475 Report a problem
        9/13/2025Listed for sale$3,975,000+1372.2%$558/sqft
        Source: MLS PIN #73430475 Report a problem
        7/21/1989Sold$270,000$38/sqft
        Source: Public Record Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2025$12,621 +3.6%$1,032,000 +3.8%
        2024$12,177 +4.3%$994,000 +10.7%
        2023$11,674 +3.9%$898,000 +10.3%
        2022$11,233 +0.3%$814,000 +4.6%
        2021$11,195 +1.8%$778,000 -0.6%
        2020$11,001 +4.7%$783,000 +5.2%
        2019$10,505 +6.2%$744,000 +7.5%
        2018$9,896 +4.3%$692,000 +5.6%
        2017$9,491 +3.8%$655,000 +4.6%
        2016$9,140 +5.1%$626,000 +7%
        2015$8,693 +9.7%$585,000 +14.5%
        2014$7,926 +2.2%$511,000 +0.2%
        2013$7,752 +2.1%$510,000 +0.6%
        2012$7,590 +8%$507,000 +3.9%
        2011$7,027 +3.9%$488,000
        2010$6,764 +2.7%$488,000 -3.9%
        2009$6,589 +1.6%$508,000 -1.9%
        2008$6,485 +4.2%$518,000 -5.6%
        2007$6,226 +7.4%$549,000 +5.2%
        2006$5,799 +7%$522,000 +9.2%
        2005$5,421 +10.2%$478,000 +1.7%
        2004$4,921 +11.8%$470,000 +16.9%
        2003$4,402 +4.1%$402,000 +7.2%
        2002$4,230 +12.5%$375,000 +22.1%
        2000$3,761 +4.6%$307,000 +9.3%
        1999$3,594 $281,000
        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: 02421

        Getting around

        19 / 100
        Car-Dependent
        27 / 100
        Some Transit
        39 / 100
        Somewhat Bikeable

        Nearby schools

        GreatSchools rating
        Schools provided by the listing agent
        • Elementary: Hastings
        • Middle: Diamond
        • High: Lhs

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

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