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For sale
    • Price cut: $15K (11/3)
    $649,900

    43209 Mongold Sq, Ashburn, VA 20148

    3beds
    2,768sqft
    : 
    $4,380/mo
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    Townhouse
    Built in 2020
    -- sqft lot
    $646,200 Zestimate®
    $235/sqft
    $278/mo HOA

    What's special

    Beautiful viewsPrivate drivewayAttached one-car garageConveniently located laundry roomHuge quartz-topped islandLarge walk-in pantryAbundant natural light
    Exceptional end-unit Delanie model offering over 2,700 square feet of beautifully designed living space, abundant natural light, and panoramic views of trees and open space. This spacious 3-bedroom, 2.5-bath home combines the feel and function of a townhome with the low-maintenance convenience of condominium ownership. The open main level is designed for both everyday living and entertaining, with beautiful wide-plank hardwood flooring and oversized windows taking full advantage of the end-unit setting and treed views. At the heart of the home is the stunning gourmet kitchen featuring a huge quartz-topped island, stainless steel appliances, abundant cabinetry, and a large walk-in pantry. The kitchen flows seamlessly into the generous dining and living areas, along with flexible space ideal for a home office or playroom. Step outside to the main-level balcony for yet another place to enjoy the peaceful surroundings. Upstairs, the spacious primary suite features a large walk-in closet and luxurious ensuite bath with dual-sink vanity and oversized shower. Two additional bedrooms, a full hall bath, conveniently located laundry room, and versatile loft/sitting area provide exceptional flexibility. And then there is the rooftop terrace—an impressive additional outdoor living space perfect for entertaining, relaxing under the open sky, or simply enjoying the views. An attached one-car garage and private driveway add everyday convenience. Enjoy the extensive amenities of Carlisle at Loudoun Valley, including pools, fitness facilities, clubhouse, walking trails, and playgrounds, along with a location convenient to shopping, dining, Dulles International Airport, major commuter routes, and approximately 5 miles to Silver Line Metro. A rare combination of generous interior space, multiple outdoor living areas, beautiful views, and low-maintenance living in the heart of Ashburn.
    25 days
    723
    52

    Zillow last checked:

    Listing updated:

    Listed by:

    Lisa Ford 703-795-6775,

    Pearson Smith Realty, LLC 571-386-1075

    Source: Bright MLS,MLS#: VALO2136522MLS Logo

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 3
      • Bathrooms: 4
      • Full bathrooms: 2
      • 1/2 bathrooms: 2
      Rooms
      • Room types: Living Room, Dining Room, Primary Bedroom, Bedroom 2, Bedroom 3, Kitchen, Foyer, Loft, Other, Office, Storage Room, Bathroom 1, Bathroom 2, Primary Bathroom
      Primary bedroom
      • Level: Upper
      • Area: 252 Square Feet
      • Dimensions: 18 X 14
      Bedroom 2
      • Level: Upper
      • Area: 168 Square Feet
      • Dimensions: 14 X 12
      Bedroom 3
      • Level: Upper
      • Area: 154 Square Feet
      • Dimensions: 14 X 11
      Primary bathroom
      • Level: Upper
      • Area: 99 Square Feet
      • Dimensions: 11 X 9
      Primary bathroom
      • Level: Upper
      • Area: 15 Square Feet
      • Dimensions: 3 X 5
      Bathroom 1
      • Level: Upper
      • Area: 25 Square Feet
      • Dimensions: 5 X 5
      Bathroom 2
      • Level: Upper
      • Area: 45 Square Feet
      • Dimensions: 5 X 9
      Dining room
      • Level: Upper
      • Area: 238 Square Feet
      • Dimensions: 14 X 17
      Foyer
      • Level: Main
      • Area: 28 Square Feet
      • Dimensions: 7 X 4
      Kitchen
      • Level: Upper
      • Area: 405 Square Feet
      • Dimensions: 27 X 15
      Living room
      • Level: Upper
      • Area: 391 Square Feet
      • Dimensions: 23 X 17
      Loft
      • Level: Upper
      • Area: 154 Square Feet
      • Dimensions: 11 X 14
      Office
      • Level: Upper
      • Area: 72 Square Feet
      • Dimensions: 8 X 9
      Other
      • Features: Pantry
      • Level: Upper
      • Area: 45 Square Feet
      • Dimensions: 9 X 5
      Other
      • Features: Balcony Access
      • Level: Upper
      • Area: 60 Square Feet
      • Dimensions: 6 X 10
      Other
      • Features: Primary Bedroom - Dressing Area
      • Level: Upper
      • Area: 63 Square Feet
      • Dimensions: 7 X 9
      Other
      • Features: Walk-In Closet(s)
      • Level: Upper
      • Area: 49 Square Feet
      • Dimensions: 7 X 7
      Other
      • Level: Upper
      • Area: 800 Square Feet
      • Dimensions: 32 X 25
      Storage room
      • Level: Main
      Heating
      • Forced Air, Natural Gas
      Cooling
      • Central Air, Electric
      Appliances
      • Included: Microwave, Dryer, Washer, Cooktop, Dishwasher, Disposal, Refrigerator, Ice Maker, Oven, Gas Water Heater
      • Laundry: Has Laundry
      Features
      • 9'+ Ceilings
      • Flooring: Engineered Wood
      • Doors: Insulated, Sliding Glass
      • Windows: Double Pane Windows, Vinyl Clad
      • Has basement: No
      • Has fireplace: No
      Interior area
      • Total structure area: 2,768
      • Total interior livable area: 2,768 sqft
      • Finished area above ground: 2,768
      • Finished area below ground: 0
      Video & virtual tour

      Property

      Parking
      • Total spaces: 3
      • Parking features: Garage Faces Rear, Asphalt, Attached, Driveway
      • Attached garage spaces: 1
      • Uncovered spaces: 2
      Accessibility
      • Accessibility features: None
      Features
      • Levels: Three
      • Stories: 3
      • Pool features: Community
      • Has view: Yes
      • View description: Garden, Scenic Vista, Trees/Woods
      Lot
      • Features: Adjoins - Open Space, Corner Lot, Premium, Wooded
      Details
      • Additional structures: Above Grade, Below Grade
      • Parcel number: 123168013002
      • Zoning: PDH4
      • Special conditions: Standard

      Construction

      Type & style
      • Home type: Townhouse
      • Architectural style: Contemporary
      • Property subtype: Townhouse
      Materials
      • Combination
      • Foundation: Other
      Condition
      • Excellent
      • New construction: No
      • Year built: 2020

      Utilities & green energy

      • Electric: 200+ Amp Service, Circuit Breakers
      • Sewer: Public Sewer
      • Water: Public
      • Utilities for property: Electricity Available, Natural Gas Available, Sewer Available, Water Available

      Community & HOA

      Community
      • Features: Pool
      • Condo and coop fee: $163 monthly
      • Subdivision: Loudoun Valley Carlisle
      HOA
      • Has HOA: Yes
      • Amenities included: Fitness Center, Jogging Path, Pool, Tennis Court(s), Tot Lots/Playground, Recreation Facilities, Basketball Court
      • Services included: Pool(s), Recreation Facility
      • HOA fee: $115 monthly
      • HOA name: CARDINAL MANAGEMENT COMPANY
      Location
      • Region: Ashburn

      Financial & listing details

      • Price per square foot: $235/sqft
      • Tax assessed value: $654,140
      • Annual tax amount: $5,266
      • Date on market: 10/16/2026
      • Listing agreement: Exclusive Right To Sell
      • Listing terms: Cash,Conventional,FHA,VA Loan,VHDA
      • Ownership: Condominium

        Estimated market value

        $646,200

        $614,000 - $679,000

        $3,469/mo

        Price history

        DateEventPrice
        11/3/2026Price change$649,900-2.3%$235/sqft
        Source: Bright MLS #VALO2136522 Report a problem
        10/16/2026Listed for sale$664,900+13.7%$240/sqft
        Source: Bright MLS #VALO2136522 Report a problem
        11/6/2020Sold$584,549$211/sqft
        Source: Public Record Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2026$5,266 +0.1%$654,140 +0.1%
        2025$5,259 -2.9%$653,320 +4.3%
        2024$5,417 -2.5%$626,270 -1.4%
        2023$5,556 +2.6%$635,020 +4.4%
        2022$5,415 +7.2%$608,420 +18.1%
        2021$5,049 $515,200
        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.
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        Climate risks

        Neighborhood: 20148

        Getting around

        2 / 100
        Car-Dependent
        26 / 100
        Somewhat Bikeable

        Nearby schools

        GreatSchools rating
        Schools provided by the listing agent
        • Elementary: Rosa Lee Carter
        • Middle: Stone Hill
        • High: Rock Ridge
        • District: Loudoun County Public Schools

        Source: Bright 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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