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For sale by owner
  • $900,000

    12693 Triadelphia Rd, Ellicott City, MD 21042

    3beds
    2,680sqft
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    Detached
    Built in 1980
    5.18 Acres Lot
    $785,700 Zestimate®
    $336/sqft
    $-- HOA

    What's special

    Natural beautyWalk-out lower levelBeautiful spring-fed on-site pondIncredible privacySeparate pasture spacesDedicated horse training areaSoaring exposed-beam architectural details
    5-Acre Private Oasis & Homestead Pond, Barn, Workshop | Glenelg High District Discover a rare, fully-realized mini-estate on 5.18 serene acres in the heart of Ellicott City. Located in the coveted Triadelphia Ridge / Folly Quarter / Glenelg School District tier, this property combines incredible privacy, natural beauty, and professional-grade infrastructure that would cost hundreds of thousands to replicate today. The main residence features a spacious layout highlighted by soaring exposed-beam architectural details and a walk-out lower level. The home is structurally sound and ready for its next chapter, offering a perfect opportunity for a buyer to bring fresh paint, flooring, and personal cosmetic updates to create a custom showcase estate on a world-class lot. Brand new kitchen countertops. The Grounds & Infrastructure: Water & Land: A beautiful, spring-fed on-site pond serves as the property's centerpiece. Over 4 acres are fully fenced and strategically divided into separate pasture spaces, ideal for immediate animal management or rotational grazing. Equestrian Facilities: A well-appointed 3-stall horse barn and a dedicated horse training area. The Workshop: A dedicated woodshop space—an absolute dream for a master craftsman or hobbyist—plus a large, separate equipment storage shed for tractors, trailers, and machinery. High-End Homesteading: Complete with a professional High Tunnel greenhouse for year-round growing and a premium Carolina Chicken Coop (the industry gold standard for predator-safe poultry housing).
    What the owner loves about this home
    The peace that can be found while being surrounded by a large city.
    14 hours
    |
    215
    |
    18
    |
    Listed by:

    Property Owner (785) 479-1219

    This property is for sale by owner and Zillow, Inc. is displaying it at the owner's request. It is not subject to a listing agreement with Zillow, Inc. or its affiliates.

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 3
      • Bathrooms: 3
      • Full bathrooms: 2
      • 1/2 bathrooms: 1
      Heating
      • Forced air, Heat pump, Stove, Wood / Pellet
      Cooling
      • Central
      Appliances
      • Included: Dishwasher, Range / Oven, Refrigerator
      Features
      • Pantry, Air Filter System, Exposed Beams, Formal/Separate Dining Room, Master Bath(s), Kitchen - Table Space, Kitchen - Gourmet
      • Flooring: Hardwood, Laminate
      • Windows: Window Treatments
      • Basement: Finished
      • Has fireplace: Yes
      Interior area
      • Total interior livable area: 2,680 sqft
      • Finished area below ground: 705

      Property

      Parking
      • Total spaces: 7
      • Parking features: Garage - Attached
      Features
      • Exterior features: Other, Wood
      • Has view: Yes
      • View description: Water
      • Has water view: Yes
      • Water view: Water
      Lot
      • Size: 5.18 Acres
      Details
      • Parcel number: 03279413
      • Special conditions: Standard

      Construction

      Type & style
      • Home type: SingleFamily
      • Architectural style: Conventional
      • Property subtype: Detached
      Materials
      • Frame
      • Roof: Shake / Shingle
      Condition
      • New construction: No
      • Year built: 1980

      Community & HOA

      Location
      • Region: Ellicott City

      Financial & listing details

      • Price per square foot: $336/sqft
      • Tax assessed value: $645,767
      • Date on market: 6/23/2026
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        Estimated market value

        $785,700

        $739,000 - $825,000

        $4,117/mo

        Price history

        DateEventPrice
        6/23/2026Listed for sale$900,000+62.2%$336/sqft
        Source: Owner Report a problem
        12/16/2019Sold$555,000-4.1%$207/sqft
        Source: Public Record Report a problem
        10/30/2019Listed for sale$579,000+11.3%$216/sqft
        Source: Redfin Corp #MDHW272082 Report a problem
        10/20/2003Sold$520,000$194/sqft
        Source: Public Record Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2025-- $645,767 +6.1%
        2024$6,851 +5.4%$608,400 +5.4%
        2023$6,497 +5.7%$577,033 -5.2%
        2022$6,144 +6.1%$608,400 +18.3%
        2021$5,791 +2.2%$514,300 +2.2%
        2020$5,665 +2.3%$503,133 -2.2%
        2019$5,540 -5.3%$514,300 +7%
        2018$5,847 -16%$480,800
        2017$6,960 $480,800 +3.8%
        2016-- $463,133 +1.9%
        2015-- $454,300
        2014-- $454,300
        2013-- $454,300 -1.3%
        2012-- $460,200
        2011-- $460,200
        2010-- $460,200 -19.1%
        2009-- $568,570 +12.1%
        2008-- $507,090 +13.8%
        2007-- $445,610 +16%
        2006-- $384,130 +9.9%
        2005-- $349,420 +11%
        2004-- $314,710 +12.4%
        2003-- $280,000 +3.7%
        2002-- $270,052 +3.8%
        2001-- $260,106 +160%
        2000-- $100,060

        Find assessor info on the county website

        Monthly payment

        Est. payment

          Payment breakdown

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          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: 21042

          Getting around

          8 / 100
          Car-Dependent
          0 / 100
          No Nearby Transit
          9 / 100
          Somewhat Bikeable

          Nearby schools

          GreatSchools rating
          Schools provided by the listing agent
          • Elementary: TRIADELPHIA RIDGE
          • Middle: FOLLY QUARTER
          • High: RIVER HILL
          • District: HOWARD COUNTY PUBLIC SCHOOL SYSTEM

          Source: The 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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