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Single Family ResidenceResidential
$968,681$690 / 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 91How 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 $337,500 on Aug 27, 2015

20 ADDLESTONE AVE

CHARLESTON, SC 29403
3
Beds
2
Baths
1,403 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.
0.1 ac
Lot SizeThe size of the land the home sits on, from county records.
1947
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$969K
$883K low$1.1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$337,500 · Aug 27, 2015

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,755 (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.$23,290 (2024)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$23,290
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$444,253

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.72 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.80%

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
StyleThe architectural style of the home, such as ranch or colonial.Bungalow
CountyCharleston
Lot (acres)The size of the land the home sits on, from county records.0.10
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Mat/Raft Foundation (Slab)
HeatingThe type of heating system in the home.Forced Air
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 · 80 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
James Simons Montessori SchoolB
Elementary · Grades KG–5 · 0.6 mi
H
Burke High SchoolF
High · Grades 9–12 · 0.6 mi
M
Simmons-Pinckney Middle SchoolC-
Middle · Grades 6–8 · 0.6 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 Addlestone Ave 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 73% of homes in Charleston County
  • Costs more per square foot than 86% of homes in Charleston County
  • Smaller than 65% of homes in Charleston County
  • Has a smaller lot than 87% of homes in Charleston County
  • Older than 92% of 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 55% 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$968,681
CheaperTypical $905,686Pricier

Pricier than 55% of homes nearby

Price per ft²$690
CheaperTypical $645Pricier

Pricier than 59% of homes nearby

Living area1,403 ft²
SmallerTypical 1,544 ft²Bigger

Bigger than 42% of homes nearby

Lot size0.1 ac
SmallerTypical 0.1 acBigger

Bigger than 60% of homes nearby

Year built1947
OlderTypical 1938Newer

Newer than 64% of homes nearby

How 20 Addlestone Ave ranks against every home in each area.
MeasureThis homeWagener TerraceCharleston 29403Charleston County
Estimated valuepricier than$968,68140% of homes55% of homes73% of homes
Price per ft²pricier than$69053% of homes59% of homes86% of homes
Living areabigger than1,403 ft²38% of homes42% of homes35% of homes
Lot sizebigger than0.1 ac26% of homes60% of homes13% of homes
Year builtnewer than194758% of homes64% of homes8% of homes

About 20 Addlestone Ave

How much is 20 Addlestone Ave, Charleston, SC worth?

The TopHap Estimate for 20 Addlestone Ave, Charleston, SC is $968,681 as of Aug 30, 2026. The likely range is $882,744 to $1,054,618. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20 Addlestone Ave, Charleston, SC last sell?

20 Addlestone Ave, Charleston, SC last sold on Aug 27, 2015 for $337,500, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 20 Addlestone Ave, Charleston, SC?

20 Addlestone Ave, Charleston, SC has 3 bedrooms, 2 bathrooms, 1,403 square feet of living space and a 0.10-acre lot.

When was 20 Addlestone Ave, Charleston, SC built?

20 Addlestone Ave, Charleston, SC was built in 1947, making it 79 years old. It is a bungalow home. The building has 1 story.

What schools serve 20 Addlestone Ave, Charleston, SC?

20 Addlestone Ave, Charleston, SC is assigned to James Simons Montessori School (elementary), rated B; Burke High School (high), rated F; Simmons-Pinckney Middle School (middle), rated C-. All sit in Charleston County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20 Addlestone Ave, Charleston, SC compare to other homes in Charleston 29403?

Among the 6,405 homes in Charleston 29403, it is worth more than 55% of them ($968,681 against a typical $905,686), its price per square foot is higher than 59% of them ($690 against a typical $645), it is bigger than 42% of them (1,403 ft² against a typical 1,544 ft²), its lot is bigger than 60% of them (0.1 ac against a typical 0.1 ac) and it is newer than 64% of them (1947 against a typical 1938). Measured against all of Charleston County, it is worth more than 73% 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 Addlestone Ave, Charleston, SC?

The 2024 property tax bill for 20 Addlestone Ave, Charleston, SC was $6,755. The county assessed it at $23,290.

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