Skip main navigation
Active contingent
  • Price cut: $10K (4/24)
    $619,000

    21 Line St, Charleston, SC 29403

    4beds
    2baths
    1,252sqft
    : 
    Duplex
    Built in 1910
    -- sqft lot
    $607,100 Zestimate®
    $494/sqft
    $-- HOA

    What's special

    Open designGood functional flow
    Lets make this your income producing downtown Pied-a-Terre. 2-bedroom duplex with an open design and good functional flow. You will really enjoy this unique space on the peninsula of Charleston close to everything.
    138 days
    |
    941
    |
    43
    |

    Zillow last checked:

    Listing updated:

    Listed by:

    The Goodwin Group Inc

    Source: CTMLS,MLS#: 26000204MLS Logo

      Facts & features

      Interior

      Bedrooms & bathrooms
      • Bedrooms: 4
      • Bathrooms: 2
      Heating
      • Forced Air
      Cooling
      • Window Unit(s)
      Interior area
      • Total structure area: 1,252
      • Total interior livable area: 1,252 sqft

      Property

      Lot
      • Size: 871.2 Square Feet
      Details
      • Parcel number: 4590504143

      Construction

      Type & style
      • Home type: MultiFamily
      • Property subtype: Duplex
      Materials
      • Wood Siding
      Condition
      • New construction: No
      • Year built: 1910

      Utilities & green energy

      • Sewer: Public Sewer
      • Water: Public
      • Utilities for property: Charleston Water Service

      Community & HOA

      Community
      • Subdivision: Eastside
      Location
      • Region: Charleston

      Financial & listing details

      • Price per square foot: $494/sqft
      • Tax assessed value: $247,800
      • Annual tax amount: $1,373
      • Date on market: 1/4/2026
      • Listing terms: Cash,Conventional
      Get pre-qualifiedBe ready to make an offer.
      Connect with an agentGet info on this home, tour, and more.
      Calculate monthly paymentSee if you can afford this home.

        Estimated market value

        $607,100

        $577,000 - $637,000

        $4,107/mo

        Price history

        DateEventPrice
        4/24/2026Price change$619,000-1.6%$494/sqft
        Source: CTMLS #26000204 Report a problem
        3/15/2026Price change$629,000-3.1%$502/sqft
        Source: CTMLS #26000204 Report a problem
        1/4/2026Listed for sale$649,000-7.2%$518/sqft
        Source: CTMLS #26000204 Report a problem
        8/22/2025Listing removed$699,000$558/sqft
        Source: CTMLS #25002448 Report a problem
        7/16/2025Price change$699,000-2.9%$558/sqft
        Source: CTMLS #25002448 Report a problem
        6/26/2025Price change$719,900-0.7%$575/sqft
        Source: CTMLS #25002448 Report a problem
        5/15/2025Price change$724,900-3.2%$579/sqft
        Source: CTMLS #25002448 Report a problem
        1/31/2025Listed for sale$749,000+311.5%$598/sqft
        Source: CTMLS #25002448 Report a problem
        9/17/2024Listing removed$2,500$2/sqft
        Source: Zillow Rentals Report a problem
        8/19/2024Listed for rent$2,500+194.1%$2/sqft
        Source: Zillow Rentals Report a problem
        10/2/2017Sold$182,000$145/sqft
        Source: Public Record Report a problem
        6/17/2015Listing removed$850$1/sqft
        Source: Dennis Fassuliotis Co. Report a problem
        5/11/2015Listed for rent$850$1/sqft
        Source: Dennis Fassuliotis Co. Report a problem

        Public tax history

        YearProperty taxesTax assessment
        2024$1,373 +3.6%$9,910
        2023$1,326 +5.2%$9,910
        2022$1,260 -4.5%$9,910
        2021$1,319 -3.4%$9,910
        2020$1,366 $9,910 -10.1%
        2019$1,366 $11,020 +355.4%
        2017$1,366 +101.7%$2,420
        2011$678 +21.3%--
        2010$559 -4.3%$2,050
        2009$584 +2.9%$2,050
        2008$567 +11%$2,050
        2006$511 -12.5%$2,050 -14.2%
        2005$584 +14.2%$2,390 +57.2%
        2004$511 +9%$1,520
        2003$469 +2.3%$1,520
        2002$459 +2.4%$1,520 +20.6%
        2000$448 $1,260

        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: Eastside

          Getting around

          94 / 100
          Walker's Paradise
          49 / 100
          Some Transit
          83 / 100
          Very Bikeable

          Nearby schools

          GreatSchools rating
          Schools provided by the listing agent
          • Elementary: Memminger
          • Middle: Simmons Pinckney
          • High: Burke

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

          A local agent can set up tours, give advice and negotiate with sellers.

          Browse local experts

          Similar homes

          Skip to the end of the carouselSkip to the beginning of the carousel