Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$1,157,457$501 / 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 81How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $82,148 on Jan 29, 2010

18 AMHERST ST

CHARLESTON, SC 29403
5
Beds
3
Baths
2,312 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.
3,920 ft²
Lot SizeThe size of the land the home sits on, from county records.
1830
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$1.2M
$943K low$1.4M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$82,148 · Jan 29, 2010

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$447 (2025)

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.Single Family Residence
CountyCHARLESTON
Lot (acres)The size of the land the home sits on, from county records.0.09
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 804 ft²

Transaction History(3)

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 SchoolB
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%

Owner Tools

Do you own this home?
Claim this home

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

18 Amherst St 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 more than 92% of homes in Eastside
  • Costs less per square foot than 79% of homes in Charleston 29403
  • Bigger than 86% of homes in Eastside
  • Has a smaller lot than 90% of homes in Charleston County
  • 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
$315K$2.6M

This home is worth more than 69% 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$1,157,457
CheaperTypical $905,986Pricier

Pricier than 69% of homes nearby

Price per ft²$501
CheaperTypical $643Pricier

Pricier than 21% of homes nearby

Living area2,312 ft²
SmallerTypical 1,545 ft²Bigger

Bigger than 82% of homes nearby

Lot size3,920 ft²
SmallerTypical 0.1 acBigger

Bigger than 44% of homes nearby

Year built1830
OlderTypical 1936Newer

Older than almost all homes nearby

How 18 Amherst St ranks against every home in each area.
MeasureThis homeEastsideCharleston 29403Charleston County
Estimated valuepricier than$1,157,45792% of homes69% of homes79% of homes
Price per ft²pricier than$50148% of homes21% of homes76% of homes
Living areabigger than2,312 ft²86% of homes82% of homes73% of homes
Lot sizebigger than3,920 ft²69% of homes44% of homes10% of homes
Year builtnewer than1830almost no homesalmost no homesalmost no homes

About 18 Amherst St

How much is 18 Amherst St, Charleston, SC worth?

The TopHap Estimate for 18 Amherst St, Charleston, SC is $1,157,457 as of Aug 30, 2026. The likely range is $943,152 to $1,371,762. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Amherst St, Charleston, SC last sell?

18 Amherst St, Charleston, SC last sold on Jan 29, 2010 for $82,148, according to the county's recorded deed.

How big is 18 Amherst St, Charleston, SC?

18 Amherst St, Charleston, SC has 5 bedrooms, 3 bathrooms, 2,312 square feet of living space and a 0.09-acre lot.

When was 18 Amherst St, Charleston, SC built?

18 Amherst St, Charleston, SC was built in 1830, making it 196 years old. The building has 2 stories.

What schools serve 18 Amherst St, Charleston, SC?

18 Amherst St, Charleston, SC is assigned to Sanders Clyde Creative Arts Elementary School (elementary), rated B; 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 18 Amherst St, Charleston, SC compare to other homes in Charleston 29403?

Among the 6,405 homes in Charleston 29403, it is worth more than 69% of them ($1,157,457 against a typical $905,986), its price per square foot is higher than 21% of them ($501 against a typical $643), it is bigger than 82% of them (2,312 ft² against a typical 1,545 ft²), its lot is bigger than 44% of them (3,920 ft² against a typical 0.1 ac) and it is newer than almost none of them (1830 against a typical 1936). Measured against all of Charleston County, it is worth more than 79% 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 18 Amherst St, Charleston, SC?

The 2025 property tax bill for 18 Amherst St, Charleston, SC was $447.

More homes on Amherst St

Closest homes

More homes in Charleston 29403

Assigned schools

Explore the area

See this home in context

Open 18 Amherst St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map