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Single Family ResidenceResidential
$4,516,946$886 / 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 84How 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 $4,750,000 on Feb 24, 2021

49 RIVER MARSH LN

JOHNS ISLAND, SC 29455
4
Beds
5.5
Baths
5,098 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.
0.91 ac
Lot SizeThe size of the land the home sits on, from county records.
1995
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$4.5M
$3.8M low$5.3M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$4,750,000 · Feb 24, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$77,132 (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.$288,000 (2024)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$288,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$4,800,000

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.81 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.0.91
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Heat Pump
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Boat liftDeck · 193 ft²ElevatorPatio · 1,182 ft²Porch · 1,715 ft²

Transaction History(2)

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 SchoolB+
Middle · Grades 6–8 · 7.3 mi
E
Angel Oak Elementary SchoolC+
Elementary · Grades PK–5 · 7.4 mi
H
St. John's High SchoolD-
High · Grades 9–12 · 7.5 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

49 River Marsh Ln 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.

  • Among the most valuable homes in Charleston County
  • Costs more per square foot than 92% of homes in Charleston County
  • Among the largest homes in Charleston County
  • Has a bigger lot than 89% 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
$289K$5.7M

This home is worth more than 96% 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$4,516,946
CheaperTypical $724,976Pricier

Pricier than 96% of homes nearby

Price per ft²$886
CheaperTypical $371Pricier

Pricier than 86% of homes nearby

Living area5,098 ft²
SmallerTypical 2,026 ft²Bigger

Bigger than 97% of homes nearby

Lot size0.91 ac
SmallerTypical 0.34 acBigger

Bigger than 81% of homes nearby

Year built1995
OlderTypical 2002Newer

Newer than 40% of homes nearby

How 49 River Marsh Ln ranks against every home in each area.
MeasureThis homeJohns Island 29455Charleston County
Estimated valuepricier than$4,516,94696% of homesalmost all homes
Price per ft²pricier than$88686% of homes92% of homes
Living areabigger than5,098 ft²97% of homesalmost all homes
Lot sizebigger than0.91 ac81% of homes89% of homes
Year builtnewer than199540% of homes57% of homes

About 49 River Marsh Ln

How much is 49 River Marsh Ln, Johns Island, SC worth?

The TopHap Estimate for 49 River Marsh Ln, Johns Island, SC is $4,516,946 as of Aug 30, 2026. The likely range is $3,780,162 to $5,253,730. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 49 River Marsh Ln, Johns Island, SC last sell?

49 River Marsh Ln, Johns Island, SC last sold on Feb 24, 2021 for $4,750,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 49 River Marsh Ln, Johns Island, SC?

49 River Marsh Ln, Johns Island, SC has 4 bedrooms, 5.5 bathrooms, 5,098 square feet of living space and a 0.91-acre lot.

When was 49 River Marsh Ln, Johns Island, SC built?

49 River Marsh Ln, Johns Island, SC was built in 1995, making it 31 years old. The building has 2 stories.

What schools serve 49 River Marsh Ln, Johns Island, SC?

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

How does 49 River Marsh Ln, Johns Island, SC compare to other homes in Johns Island 29455?

Among the 18,776 homes in Johns Island 29455, it is worth more than 96% of them ($4,516,946 against a typical $724,976), its price per square foot is higher than 86% of them ($886 against a typical $371), it is bigger than 97% of them (5,098 ft² against a typical 2,026 ft²), its lot is bigger than 81% of them (0.91 ac against a typical 0.34 ac) and it is newer than 40% of them (1995 against a typical 2002). Measured against all of Charleston County, it is worth more than almost all 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 49 River Marsh Ln, Johns Island, SC?

The 2025 property tax bill for 49 River Marsh Ln, Johns Island, SC was $77,132. The county assessed it at $288,000.

More homes on River Marsh Ln

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