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.
Active
$649,000
21 Line St, Charleston, SC 29403
4beds
2baths
1,252sqft
Est.:
Duplex
Built in 1910
-- sqft lot
$641,800 Zestimate®
$518/sqft
$-- HOA
What's special
Open designGood functional flow
- 4 days |
- 985 |
- 35 |
Likely to sell faster than
Zillow last checked: 8 hours ago
Listing updated: January 03, 2026 at 07:08pm
Listed by:
The Goodwin Group Inc
Source: CTMLS,MLS#: 26000204
Tour with a local agent
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: $518/sqft
- Tax assessed value: $247,800
- Annual tax amount: $1,373
- Date on market: 1/4/2026
- Listing terms: Cash,Conventional
Estimated market value
$641,800
$610,000 - $674,000
$3,443/mo
Price history
Price history
| Date | Event | Price |
|---|---|---|
| 1/4/2026 | Listed for sale | $649,000-7.2%$518/sqft |
Source: | ||
| 8/22/2025 | Listing removed | $699,000$558/sqft |
Source: | ||
| 7/16/2025 | Price change | $699,000-2.9%$558/sqft |
Source: | ||
| 6/26/2025 | Price change | $719,900-0.7%$575/sqft |
Source: | ||
| 5/15/2025 | Price change | $724,900-3.2%$579/sqft |
Source: | ||
Public tax history
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2024 | $1,373 +3.6% | $9,910 |
| 2023 | $1,326 +5.2% | $9,910 |
| 2022 | $1,260 -4.5% | $9,910 |
Find assessor info on the county website
BuyAbility℠ payment
Est. payment
$3,496/mo
Principal & interest
$3091
Home insurance
$227
Property taxes
$178
Climate risks
Neighborhood: Eastside
Nearby schools
GreatSchools rating
- 7/10Sanders-Clyde Elementary SchoolGrades: PK-5Distance: 0.3 mi
- 4/10Simmons Pinckney Middle SchoolGrades: 6-8Distance: 0.8 mi
- 1/10Burke High SchoolGrades: 9-12Distance: 0.8 mi
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.
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