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CondominiumResidential
$470,378$439 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 83How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $305,000 on Apr 7, 2021

20 AMHERST ST APT A

CHARLESTON, SC 29403
Building report
1
Beds
1
Baths
1,071 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
1852
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$470K
$390K low$550K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$305,000 · Apr 7, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,655 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$12,200 (2024)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$12,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$305,000

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.59 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.99%

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
CountyCharleston

Transaction History(1)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Sanders Clyde Creative Arts Elementary School
Elementary · Grades PK–5 · 0.5 mi
M
Simmons-Pinckney Middle SchoolC-
Middle · Grades 6–8 · 1.1 mi
H
Burke High SchoolF
High · Grades 9–12 · 1.1 mi

District: Charleston County School District

Neighborhood · ZIP 29403These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.136
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.337

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.77%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.21%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.22,498
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,949 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$69,730
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$102,723
Average tempThe average temperature here across a full year.66°F
Annual precipHow much rain and melted snow falls here in a typical year.48 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.63%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

20 Amherst St Apt A measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Worth less than 88% of homes in Charleston 29403
  • Costs less per square foot than 88% of homes in Charleston 29403
  • Smaller than 84% of homes in Eastside
  • Among the oldest homes in Charleston County

What homes are worth in Charleston 29403

Each bar is how many homes fall in that price range. The marker is this home.

This home
$316K$2.6M

This home is worth more than 12% of homes in Charleston 29403.

How it measures up in Charleston 29403

The dot is this home. The mark in the middle is the typical home in Charleston 29403.

Estimated value$470,378
CheaperTypical $904,827Pricier

Pricier than 12% of homes nearby

Price per ft²$439
CheaperTypical $646Pricier

Pricier than 12% of homes nearby

Living area1,071 ft²
SmallerTypical 1,544 ft²Bigger

Bigger than 20% of homes nearby

Year built1852
OlderTypical 1937Newer

Newer than 9% of homes nearby

How 20 Amherst St Apt A ranks against every home in each area.
MeasureThis homeEastsideCharleston 29403Charleston County
Estimated valuepricier than$470,37816% of homes12% of homes34% of homes
Price per ft²pricier than$43930% of homes12% of homes68% of homes
Living areabigger than1,071 ft²16% of homes20% of homes16% of homes
Year builtnewer than185217% of homes9% of homesalmost no homes

About 20 Amherst St Apt A

How much is 20 Amherst St Apt A, Charleston, SC worth?

The TopHap Estimate for 20 Amherst St Apt A, Charleston, SC is $470,378 as of Oct 21, 2026. The likely range is $390,355 to $550,401. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20 Amherst St Apt A, Charleston, SC last sell?

20 Amherst St Apt A, Charleston, SC last sold on Apr 7, 2021 for $305,000, according to the county's recorded deed.

How big is 20 Amherst St Apt A, Charleston, SC?

20 Amherst St Apt A, Charleston, SC has 1 bedrooms, 1 bathrooms and 1,071 square feet of living space.

When was 20 Amherst St Apt A, Charleston, SC built?

20 Amherst St Apt A, Charleston, SC was built in 1852, making it 174 years old. The building has 1 story.

What schools serve 20 Amherst St Apt A, Charleston, SC?

20 Amherst St Apt A, Charleston, SC is assigned to Sanders Clyde Creative Arts Elementary School (elementary); Simmons-Pinckney Middle School (middle), rated C-; Burke High School (high), rated F. All sit in Charleston County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20 Amherst St Apt A, Charleston, SC compare to other homes in Charleston 29403?

Among the 6,405 homes in Charleston 29403, it is worth more than 12% of them ($470,378 against a typical $904,827), its price per square foot is higher than 12% of them ($439 against a typical $646), it is bigger than 20% of them (1,071 ft² against a typical 1,544 ft²) and it is newer than 9% of them (1852 against a typical 1937). Measured against all of Charleston County, it is worth more than 34% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 20 Amherst St Apt A, Charleston, SC?

The 2024 property tax bill for 20 Amherst St Apt A, Charleston, SC was $1,655. The county assessed it at $12,200.

More homes on Amherst St Apt A

Closest homes

More homes in Charleston 29403

Assigned schools

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