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For sale
  • Price cut: $26K (6/27)
    $1,269,000

    308 Barnside Pl, Rockville, MD 20850

    4beds
    4,740sqft
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    Single Family Residence
    Built in 1998
    5,870 Square Feet Lot
    $1,225,800 Zestimate®
    $268/sqft
    $133/mo HOA

    What's special

    Cozy fireplaceDramatic staircaseDesirable corner lotCrown moldingsAbundant natural lightConvenient main-level laundry room
    Beautifully situated on a desirable corner lot in sought-after King Farm, this spacious Stanley Martin Hartwell model offers timeless architecture, exceptional flow, and inviting indoor-outdoor living. A charming wraparound southern front porch overlooks peaceful undeveloped green space, creating the perfect setting for relaxing mornings, evening conversations, or enjoying the neighborhood’s scenic surroundings. Inside, hardwood flooring spans the main and upper levels, while 10-foot ceilings, crown moldings, and a dramatic staircase create an elegant and welcoming first impression. Designed for both everyday living and entertaining, the main level features expansive formal and casual living spaces, including a large dining room ideal for gatherings, abundant natural light, a convenient main-level laundry room, and a desirable first-floor office complete with a wall of custom built-in shelves and cabinets—perfect for working from home, a library, or organized flex space. The inviting family room showcases a beautiful wall of windows that fills the space with natural light, along with a cozy fireplace that adds warmth and character. The kitchen opens seamlessly to the adjoining gathering spaces, creating an easy and functional layout. The upper level includes three spacious bedrooms, each with its own updated ensuite bath and walk in closets, providing comfort and privacy for family and guests alike. The expansive primary suite offers a relaxing retreat with generous closet space and a spacious bath. A unique feature of the home is the private fourth-bedroom suite, accessed by its own separate staircase off the kitchen, making it ideal for guests, an au pair, multigenerational living, or a private home office. The finished lower level adds exceptional versatility with flexible recreation, fitness, media, or play space, along with a full bath and ample storage. A large patio provides low-maintenance outdoor living and entertaining space. Residents of King Farm enjoy an exceptional lifestyle with community pools, parks, walking trails, playgrounds, tennis courts, shopping, dining, and a convenient shuttle to the Shady Grove Metro. Ideally located near I-270, ICC, and Route 355, this home combines comfort, functionality, and classic style in one of Montgomery County’s most desirable communities.
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    Zillow last checked:

    Listing updated:

    Listed by:

    Audrey Romano 301-466-9552,

    Compass (240) 219-2422

    Source: Bright MLS,MLS#: MDMC2235536MLS Logo

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 4
      • Bathrooms: 6
      • Full bathrooms: 5
      • 1/2 bathrooms: 1
      • Main level bathrooms: 1
      Basement
      • Area: 1527
      Heating
      • Central, Natural Gas
      Cooling
      • Central Air, Electric
      Appliances
      • Included: Gas Water Heater
      • Laundry: Has Laundry, Main Level, Washer In Unit, Dryer In Unit
      Features
      • Flooring: Hardwood
      • Basement: Full,Finished
      • Number of fireplaces: 1
      Interior area
      • Total structure area: 4,740
      • Total interior livable area: 4,740 sqft
      • Finished area above ground: 3,213
      • Finished area below ground: 1,527

      Property

      Parking
      • Total spaces: 2
      • Parking features: Garage Faces Rear, Garage Door Opener, Attached
      • Attached garage spaces: 2
      Accessibility
      • Accessibility features: None
      Features
      • Levels: Three and One Half
      • Stories: 3.5
      • Patio & porch: Patio, Porch, Wrap Around
      • Pool features: Community
      Lot
      • Size: 5,870 Square Feet
      Details
      • Additional structures: Above Grade, Below Grade
      • Parcel number: 160403189494
      • Zoning: R200
      • Special conditions: Standard

      Construction

      Type & style
      • Home type: SingleFamily
      • Architectural style: Traditional
      • Property subtype: Single Family Residence
      Materials
      • Frame
      • Foundation: Concrete Perimeter
      • Roof: Architectural Shingle
      Condition
      • New construction: No
      • Year built: 1998
      Details
      • Builder model: Hartwell
      • Builder name: Stanley Martin

      Utilities & green energy

      • Sewer: Public Sewer
      • Water: Public

      Community & HOA

      Community
      • Features: Pool
      • Subdivision: King Farm Watkins Pond
      HOA
      • Has HOA: Yes
      • Amenities included: Common Grounds, Fitness Center, Jogging Path, Pool, Tot Lots/Playground
      • Services included: Reserve Funds, Pool(s), Snow Removal, Other, Management
      • HOA fee: $133 monthly
      • HOA name: KING FARM CITIZENS ASSEMBLY
      Location
      • Region: Rockville

      Financial & listing details

      • Price per square foot: $268/sqft
      • Tax assessed value: $1,059,467
      • Annual tax amount: $13,782
      • Date on market: 6/11/2026
      • Listing agreement: Exclusive Right To Sell
      • Ownership: Fee Simple

        Estimated market value

        $1,225,800

        $1.16M - $1.29M

        $6,467/mo

        Price history

        DateEventPrice
        6/27/2026Price change$1,269,000-2%$268/sqft
        Source: Bright MLS #MDMC2235536 Report a problem
        6/11/2026Listed for sale$1,295,000+226.3%$273/sqft
        Source: Bright MLS #MDMC2235536 Report a problem
        9/11/2018Listing removed$5,100$1/sqft
        Source: Wallace & Associates Realty #1002063636 Report a problem
        8/3/2018Listed for rent$5,100$1/sqft
        Source: Wallace & Associates Realty #1002063636 Report a problem
        3/23/1999Sold$396,819+69.6%$84/sqft
        Source: Public Record Report a problem
        12/11/1998Sold$234,000$49/sqft
        Source: Public Record Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2025$13,090 +10.5%$974,633 +9.5%
        2024$11,847 +1.2%$889,800 +0.7%
        2023$11,710 +3.5%$883,367 +0.7%
        2022$11,309 +0.3%$876,933 +0.7%
        2021$11,276 +0.3%$870,500
        2020$11,243 -0.6%$870,500 -0.3%
        2019$11,309 -0.5%$872,900
        2018$11,371 +0.1%$872,900 +2%
        2017$11,362 +7.6%$856,033 +2%
        2016$10,557 $839,167 +2.1%
        2015$10,557 $822,300 +1.7%
        2014$10,557 $808,500 +1.7%
        2013-- $794,700 +1.8%
        2012-- $780,900
        2011-- $780,900
        2010-- $780,900 -14.7%
        2009-- $915,530 +11.1%
        2008-- $824,250 +12.5%
        2007-- $732,970 +14.2%
        2006-- $641,690 +11.7%
        2005-- $574,550 +13.2%
        2004-- $507,410 +15.2%
        2003-- $440,270 +4.6%
        2002-- $421,106
        2001-- $421,106
        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.
        See how much you could borrow to make a competitive offer.

        Climate risks

        Neighborhood: King Farm

        Getting around

        56 / 100
        Somewhat Walkable
        59 / 100
        Good Transit
        63 / 100
        Bikeable

        Nearby schools

        GreatSchools rating
        Schools provided by the listing agent
        • Elementary: College Gardens
        • Middle: Julius West
        • High: Richard Montgomery
        • District: Montgomery 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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