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CondominiumResidential
$1,937,992$769 / 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 87How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026

1902 ION AVE

SULLIVANS ISLAND, SC 29482
2
Beds
2
Baths
2,521 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.
1935
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$1.9M
$1.7M low$2.2M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,027 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$43,800 (2024)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$43,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,145,000

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.59
100
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
5
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
77
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
65
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
49
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.61 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.99%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.1 percent flood zone

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
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyCHARLESTON
PoolWhether the property has a pool, and what kind, such as in-ground.No

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
Sullivan's Island Elementary SchoolA+
Elementary · Grades PK–5 · 0.2 mi
M
Moultrie Middle SchoolA+
Middle · Grades 6–8 · 2.7 mi
H
Wando High SchoolA+
High · Grades 9–12 · 9.9 mi

District: Charleston County School District

Neighborhood · ZIP 29482These 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.142
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.80
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.305

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.74%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.40%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.976
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.254 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$176,028
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$301,831
Average tempThe average temperature here across a full year.66°F
Annual precipHow much rain and melted snow falls here in a typical year.49 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

1902 Ion 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 less than 93% of homes in Sullivans Island 29482
  • Among the lowest price per square foot in Sullivans Island 29482
  • Bigger than 78% of homes in Charleston County
  • Older than 96% of homes in Charleston County

What homes are worth in Sullivans Island 29482

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

This home
$822K$10M

This home is worth more than 7% of homes in Sullivans Island 29482.

How it measures up in Sullivans Island 29482

The dot is this home. The mark in the middle is the typical home in Sullivans Island 29482.

Estimated value$1,937,992
CheaperTypical $4,260,068Pricier

Pricier than 7% of homes nearby

Price per ft²$769
CheaperTypical $1525Pricier

Cheaper than almost all homes nearby

Living area2,521 ft²
SmallerTypical 2,814 ft²Bigger

Bigger than 41% of homes nearby

Year built1935
OlderTypical 1974Newer

Newer than 30% of homes nearby

How 1902 Ion Ave ranks against every home in each area.
MeasureThis homeSullivans Island 29482Charleston County
Estimated valuepricier than$1,937,9927% of homes92% of homes
Price per ft²pricier than$769almost no homes88% of homes
Living areabigger than2,521 ft²41% of homes78% of homes
Year builtnewer than193530% of homes4% of homes

About 1902 Ion Ave

How much is 1902 Ion Ave, Sullivans Island, SC worth?

The TopHap Estimate for 1902 Ion Ave, Sullivans Island, SC is $1,937,992 as of Sep 24, 2026. The likely range is $1,690,524 to $2,185,460. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1902 Ion Ave, Sullivans Island, SC last sell?

1902 Ion Ave, Sullivans Island, SC last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 1902 Ion Ave, Sullivans Island, SC?

1902 Ion Ave, Sullivans Island, SC has 2 bedrooms, 2 bathrooms and 2,521 square feet of living space.

When was 1902 Ion Ave, Sullivans Island, SC built?

1902 Ion Ave, Sullivans Island, SC was built in 1935, making it 91 years old. It is a ranch home. The building has 1 story.

What schools serve 1902 Ion Ave, Sullivans Island, SC?

1902 Ion Ave, Sullivans Island, SC is assigned to Sullivan's Island Elementary School (elementary), rated A+; Moultrie Middle School (middle), rated A+; Wando High School (high), rated A+. All sit in Charleston County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1902 Ion Ave, Sullivans Island, SC compare to other homes in Sullivans Island 29482?

Among the 1,004 homes in Sullivans Island 29482, it is worth more than 7% of them ($1,937,992 against a typical $4,260,068), its price per square foot is higher than almost none of them ($769 against a typical $1525), it is bigger than 41% of them (2,521 ft² against a typical 2,814 ft²) and it is newer than 30% of them (1935 against a typical 1974). Measured against all of Charleston County, it is worth more than 92% 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 1902 Ion Ave, Sullivans Island, SC?

The 2025 property tax bill for 1902 Ion Ave, Sullivans Island, SC was $7,027. The county assessed it at $43,800.

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More homes in Sullivans Island 29482

Assigned schools

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