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Single Family ResidenceResidential
$1,108,881$392 / 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 80How 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

4017 RIVER RD

JOHNS ISLAND, SC 29455
5
Beds
3.5
Baths
2,831 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.
10.5 ac
Lot SizeThe size of the land the home sits on, from county records.
2005
Year BuiltThe year the home was originally built, according to county records.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.1M
$890K low$1.3M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,510 (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.$9,130 (2024)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$9,130
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$216,500

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.68 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.10.50
HeatingThe type of heating system in the home.Heat Pump
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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.Deck · 392 ft²

Transaction History(5)

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.

M
Haut Gap Middle SchoolA-
Middle · Grades 6–8 · 4.3 mi
E
Angel Oak Elementary School
Elementary · Grades PK–1 · 4.8 mi
H
St. John's High SchoolF
High · Grades 9–12 · 4.8 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%

Owner Tools

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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

4017 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 78% of homes in Charleston County
  • Bigger than 85% of homes in Charleston County
  • Has a bigger lot than 98% of homes in Charleston County
  • Newer than 75% of homes in Charleston County

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
$286K$5.5M

This home is worth more than 70% 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$1,108,881
CheaperTypical $707,112Pricier

Pricier than 70% of homes nearby

Price per ft²$392
CheaperTypical $366Pricier

Pricier than 53% of homes nearby

Living area2,831 ft²
SmallerTypical 2,030 ft²Bigger

Bigger than 75% of homes nearby

Lot size10.5 ac
SmallerTypical 0.34 acBigger

Bigger than 97% of homes nearby

Year built2005
OlderTypical 2002Newer

Newer than 57% of homes nearby

How 4017 River Rd ranks against every home in each area.
MeasureThis homeJohns Island 29455Charleston County
Estimated valuepricier than$1,108,88170% of homes78% of homes
Price per ft²pricier than$39253% of homes59% of homes
Living areabigger than2,831 ft²75% of homes85% of homes
Lot sizebigger than10.5 ac97% of homes98% of homes
Year builtnewer than200557% of homes75% of homes

About 4017 River Rd

How much is 4017 River Rd, Johns Island, SC worth?

The TopHap Estimate for 4017 River Rd, Johns Island, SC is $1,108,881 as of Oct 21, 2026. The likely range is $890,357 to $1,327,405. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4017 River Rd, Johns Island, SC last sell?

4017 River Rd, Johns Island, SC last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 4017 River Rd, Johns Island, SC?

4017 River Rd, Johns Island, SC has 5 bedrooms, 3.5 bathrooms, 2,831 square feet of living space and a 10.50-acre lot.

When was 4017 River Rd, Johns Island, SC built?

4017 River Rd, Johns Island, SC was built in 2005, making it 21 years old.

What schools serve 4017 River Rd, Johns Island, SC?

4017 River Rd, Johns Island, SC is assigned to Haut Gap Middle School (middle), rated A-; Angel Oak Elementary School (elementary); St. John's 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 4017 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 70% of them ($1,108,881 against a typical $707,112), its price per square foot is higher than 53% of them ($392 against a typical $366), it is bigger than 75% of them (2,831 ft² against a typical 2,030 ft²), its lot is bigger than 97% of them (10.5 ac against a typical 0.34 ac) and it is newer than 57% of them (2005 against a typical 2002). Measured against all of Charleston County, it is worth more than 78% 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 4017 River Rd, Johns Island, SC?

The 2025 property tax bill for 4017 River Rd, Johns Island, SC was $2,510. The county assessed it at $9,130.

More homes on River Rd

Closest homes

More homes in Johns Island 29455

Assigned schools

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