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New construction
  • $3,975,000

    21 Balfour St, Lexington, MA 02421

    5beds
    6,433sqft
    : 
    Single Family Residence
    Built in 2026
    0.68 Acres Lot
    $3,978,000 Zestimate®
    $618/sqft
    $-- HOA

    What's special

    Enormous islandOver-sized deckGraceful archesEnormous stone patioSpectacular outdoor spacesEn-suite gymSumptuous designer finishes
    Gorgeous, exceptionally high-quality new construction Colonial by prestigious developer now complete! No expense spared throughout this stunning residence which boasts high ceilings, custom built-ins, paneling, front & back staircases, graceful arches, and sumptuous designer finishes. Over-sized Kitchen with abundant floor-to-ceiling custom cabinetry with brushed gold hardware, enormous island, Sub-Zero & Wolf appliances. With 5-7 Bedrooms & 6 1/2 Bathrooms, this home includes both en-Suite Gym and Study - ideal Bedroom options on both the First Floor and walk-out Lower Levels. Full Smart Home and audio integration with carefully chosen systems for healthy living. Spectacular outdoor spaces with over-sized Deck and enormous stone patio overlooking lush, expansive .7-acre grounds. Idyllic neighborhood walking distance to new Hastings Elementary school, Hayden Recreation, Pine Medows Golf Course with idyllic sledding hills, top-ranked Lexington High School, and its lively town center.
    19 days
    |
    2,738
    |
    90
    |

    Zillow last checked: 8 hours ago

    Listing updated: February 08, 2026 at 01:08am

    Listed by:

    Elizabeth P. Crampton 781-389-4400,

    Coldwell Banker Realty - Lexington 781-862-2600,

    Casey Scholl 609-284-3147

    Source: MLS PIN,MLS#: 73474521

    Tour with a local agent

    Facts & features

    Interior

    Bedrooms & bathrooms
    • Bedrooms: 5
    • Bathrooms: 7
    • Full bathrooms: 6
    • 1/2 bathrooms: 1
    • Main level bathrooms: 1
    Primary bedroom
    • Features: Bathroom - Full, Bathroom - Double Vanity/Sink, Walk-In Closet(s), Flooring - Hardwood, Recessed Lighting, Lighting - Overhead, Tray Ceiling(s)
    • Level: Second
    • Area: 437
    • Dimensions: 23 x 19
    Bedroom 2
    • Features: Bathroom - Full, Bathroom - Double Vanity/Sink, Closet, Flooring - Hardwood, Recessed Lighting
    • Level: Second
    • Area: 225
    • Dimensions: 15 x 15
    Bedroom 3
    • Features: Bathroom - Full, Bathroom - Double Vanity/Sink, Closet, Flooring - Hardwood, Recessed Lighting
    • Level: Second
    • Area: 210
    • Dimensions: 15 x 14
    Bedroom 4
    • Features: Bathroom - Full, Closet, Flooring - Hardwood, Recessed Lighting
    • Level: Second
    • Area: 240
    • Dimensions: 16 x 15
    Bedroom 5
    • Features: Bathroom - Full, Closet, Flooring - Hardwood, Recessed Lighting
    • Level: Second
    • Area: 255
    • Dimensions: 17 x 15
    Primary bathroom
    • Features: Yes
    Bathroom 1
    • Features: Bathroom - Full, Bathroom - Double Vanity/Sink, Bathroom - Tiled With Tub & Shower, Flooring - Stone/Ceramic Tile, Countertops - Stone/Granite/Solid, Double Vanity, Recessed Lighting, Soaking Tub
    • Level: Second
    • Area: 289
    • Dimensions: 17 x 17
    Bathroom 2
    • Features: Bathroom - Full, Bathroom - Tiled With Shower Stall, Flooring - Stone/Ceramic Tile
    • Level: Main,First
    • Area: 72
    • Dimensions: 12 x 6
    Bathroom 3
    • Features: Bathroom - Full, Bathroom - Double Vanity/Sink, Bathroom - Tiled With Tub & Shower, Flooring - Stone/Ceramic Tile, Countertops - Stone/Granite/Solid, Double Vanity
    • Level: Second
    • Area: 98
    • Dimensions: 14 x 7
    Dining room
    • Features: Closet/Cabinets - Custom Built, Flooring - Hardwood, Open Floorplan, Recessed Lighting, Lighting - Overhead, Archway, Tray Ceiling(s)
    • Level: Main,First
    • Area: 285
    • Dimensions: 19 x 15
    Family room
    • Features: Coffered Ceiling(s), Closet/Cabinets - Custom Built, Flooring - Hardwood, Open Floorplan, Recessed Lighting
    • Level: Main,First
    • Area: 352
    • Dimensions: 22 x 16
    Kitchen
    • Features: Closet/Cabinets - Custom Built, Flooring - Hardwood, Dining Area, Pantry, Countertops - Stone/Granite/Solid, Kitchen Island, Deck - Exterior, Exterior Access, Open Floorplan, Recessed Lighting, Stainless Steel Appliances, Storage, Wine Chiller, Lighting - Pendant
    • Level: Main,First
    • Area: 476
    • Dimensions: 28 x 17
    Living room
    • Features: Closet/Cabinets - Custom Built, Flooring - Hardwood, Open Floorplan, Recessed Lighting, Archway
    • Level: Main,First
    • Area: 270
    • Dimensions: 18 x 15
    Office
    • Features: Bathroom - Full, Bathroom - Tiled With Shower Stall, Closet, Flooring - Hardwood, French Doors, Recessed Lighting
    • Level: Main
    • Area: 225
    • Dimensions: 15 x 15
    Heating
    • Central
    Cooling
    • Central Air
    Appliances
    • Included: Water Heater, Range, Oven, Dishwasher, Disposal, Microwave, Refrigerator, Freezer, Wine Refrigerator, Range Hood, Other, Second Dishwasher, Wine Cooler
    • Laundry: Closet/Cabinets - Custom Built, Sink, Second Floor, Electric Dryer Hookup, Washer Hookup
    Features
    • Bathroom - Full, Bathroom - Tiled With Shower Stall, Closet, Recessed Lighting, Closet/Cabinets - Custom Built, Countertops - Stone/Granite/Solid, Wet bar, Bathroom - Half, Open Floorplan, Lighting - Overhead, Walk-In Closet(s), Office, Kitchen, Foyer, Bonus Room, Exercise Room, 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: 6,433
    • Total interior livable area: 6,433 sqft
    • Finished area above ground: 6,433

    Property

    Parking
    • Total spaces: 10
    • Parking features: Attached, Garage Door Opener, Heated Garage, Paved Drive, Off Street, Paved
    • 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
    • Frontage length: 160.00
    Lot
    • Size: 0.68 Acres
    • Features: Cleared
    Details
    • Foundation area: 3285
    • 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
    • New construction: Yes
    • Year built: 2026
    Details
    • Warranty included: Yes

    Utilities & green energy

    • 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, Laundromat, Bike Path, Conservation Area, Highway Access, House of Worship, Private School, Public School
    HOA
    • Has HOA: No
    Location
    • Region: Lexington

    Financial & listing details

    • Price per square foot: $618/sqft
    • Tax assessed value: $9,999
    • Annual tax amount: $9,999
    • Date on market: 2/4/2026
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    Estimated market value

    $3,978,000

    $3.78M - $4.18M

    $4,168/mo

    Price history

    Price history
    DateEventPrice
    2/5/2026Listed for sale$3,975,000$618/sqft
    Source: MLS PIN #73474521 Report a problem
    12/18/2025Listing removed$3,975,000$618/sqft
    Source: MLS PIN #73430475 Report a problem
    9/13/2025Listed for sale$3,975,000+1372.2%$618/sqft
    Source: MLS PIN #73430475 Report a problem
    7/21/1989Sold$270,000$42/sqft
    Source: Public Record Report a problem

    Public tax history

    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

    BuyAbility℠ payment

    Est. payment
    $23,173/mo
    Principal & interest
    $19827
    Property taxes
    $3346

      Climate risks

      Neighborhood: 02421

      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.

      Local experts in 02421

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