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Single Family ResidenceResidential
$1,044,804$393 / 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 $375,000 on Aug 27, 2019

594 RIVER RD

JOHNS ISLAND, SC 29455
4
Beds
2
Baths
2,660 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.
2.8 ac
Lot SizeThe size of the land the home sits on, from county records.
1973
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$1M
$850K low$1.2M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$375,000 · Aug 27, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$16,141 (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.$44,000 (2024)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$10,040
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,100,000

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.54 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
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyCharleston
Lot (acres)The size of the land the home sits on, from county records.2.80
HeatingThe type of heating system in the home.Heat Pump
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Masonry
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 · 846 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.

H
St. John's High SchoolD-
High · Grades 9–12 · 3.6 mi
E
Angel Oak Elementary SchoolC+
Elementary · Grades PK–5 · 3.8 mi
M
Haut Gap Middle SchoolB+
Middle · Grades 6–8 · 4.2 mi

District: Charleston County School District

Neighborhood · ZIP 29455These 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.97
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.320

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.76%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.8%
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.31,902
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.269 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$106,043
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$141,063
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

594 River Rd 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 76% of homes in Charleston County
  • Bigger than 81% of homes in Charleston County
  • Has a bigger lot than 95% of homes in Charleston County
  • Older than 91% of homes in Johns Island 29455

What homes are worth in Johns Island 29455

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

This home
$300K$5.6M

This home is worth more than 67% of homes in Johns Island 29455.

How it measures up in Johns Island 29455

The dot is this home. The mark in the middle is the typical home in Johns Island 29455.

Estimated value$1,044,804
CheaperTypical $724,180Pricier

Pricier than 67% of homes nearby

Price per ft²$393
CheaperTypical $369Pricier

Pricier than 53% of homes nearby

Living area2,660 ft²
SmallerTypical 2,028 ft²Bigger

Bigger than 71% of homes nearby

Lot size2.8 ac
SmallerTypical 0.34 acBigger

Bigger than 92% of homes nearby

Year built1973
OlderTypical 2002Newer

Newer than 9% of homes nearby

How 594 River Rd ranks against every home in each area.
MeasureThis homeJohns Island 29455Charleston County
Estimated valuepricier than$1,044,80467% of homes76% of homes
Price per ft²pricier than$39353% of homes60% of homes
Living areabigger than2,660 ft²71% of homes81% of homes
Lot sizebigger than2.8 ac92% of homes95% of homes
Year builtnewer than19739% of homes30% of homes

About 594 River Rd

How much is 594 River Rd, Johns Island, SC worth?

The TopHap Estimate for 594 River Rd, Johns Island, SC is $1,044,804 as of Aug 30, 2026. The likely range is $849,824 to $1,239,784. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 594 River Rd, Johns Island, SC last sell?

594 River Rd, Johns Island, SC last sold on Aug 27, 2019 for $375,000, according to the county's recorded deed.

How big is 594 River Rd, Johns Island, SC?

594 River Rd, Johns Island, SC has 4 bedrooms, 2 bathrooms, 2,660 square feet of living space and a 2.80-acre lot.

When was 594 River Rd, Johns Island, SC built?

594 River Rd, Johns Island, SC was built in 1973, making it 53 years old. It is a ranch home. The building has 1 story.

What schools serve 594 River Rd, Johns Island, SC?

594 River Rd, Johns Island, SC is assigned to St. John's High School (high), rated D-; Angel Oak Elementary School (elementary), rated C+; Haut Gap Middle School (middle), rated B+. All sit in Charleston County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 594 River Rd, Johns Island, SC compare to other homes in Johns Island 29455?

Among the 18,775 homes in Johns Island 29455, it is worth more than 67% of them ($1,044,804 against a typical $724,180), its price per square foot is higher than 53% of them ($393 against a typical $369), it is bigger than 71% of them (2,660 ft² against a typical 2,028 ft²), its lot is bigger than 92% of them (2.8 ac against a typical 0.34 ac) and it is newer than 9% of them (1973 against a typical 2002). Measured against all of Charleston County, it is worth more than 76% 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 594 River Rd, Johns Island, SC?

The 2024 property tax bill for 594 River Rd, Johns Island, SC was $16,141. The county assessed it at $44,000.

More homes on River Rd

Closest homes

More homes in Johns Island 29455

Assigned schools

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