Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$8,213,221$3,041 / 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 66How 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
Last sold for $4,500,000 on Jan 19, 2023

3209 MARSHALL BLVD

SULLIVANS ISLAND, SC 29482
3
Beds
3.5
Baths
2,701 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.
0.48 ac
Lot SizeThe size of the land the home sits on, from county records.
1982
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$8.2M
$5.4M low$10M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$4,500,000 · Jan 19, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$59,682 (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.$3,881,250 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,881,250
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$202,510
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$4,475,000

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.87 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.0.48
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.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.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 · 96 ft²Patio · 233 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.

E
Sullivan's Island Elementary School
Elementary · Grades PK–5 · 1.7 mi
M
Moultrie Middle SchoolA+
Middle · Grades 6–8 · 3.6 mi
H
Wando High SchoolA
High · Grades 9–12 · 8.4 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%

Owner Tools

Do you own this home?
Claim this home

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

3209 Marshall Blvd 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
  • Among the highest price per square foot in Charleston County
  • Bigger than 82% of homes in Charleston County
  • Has a bigger lot than 80% 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
$844K$10M

This home is worth more than 92% 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$8,213,221
CheaperTypical $4,296,777Pricier

Pricier than 92% of homes nearby

Price per ft²$3041
CheaperTypical $1528Pricier

Pricier than 96% of homes nearby

Living area2,701 ft²
SmallerTypical 2,812 ft²Bigger

Bigger than 46% of homes nearby

Lot size0.48 ac
SmallerTypical 0.47 acBigger

Bigger than 52% of homes nearby

Year built1982
OlderTypical 1976Newer

Newer than 55% of homes nearby

How 3209 Marshall Blvd ranks against every home in each area.
MeasureThis homeSullivans Island 29482Charleston County
Estimated valuepricier than$8,213,22192% of homesalmost all homes
Price per ft²pricier than$304196% of homesalmost all homes
Living areabigger than2,701 ft²46% of homes82% of homes
Lot sizebigger than0.48 ac52% of homes80% of homes
Year builtnewer than198255% of homes39% of homes

About 3209 Marshall Blvd

How much is 3209 Marshall Blvd, Sullivans Island, SC worth?

The TopHap Estimate for 3209 Marshall Blvd, Sullivans Island, SC is $8,213,221 as of Oct 21, 2026. The likely range is $5,441,916 to $9,999,999. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3209 Marshall Blvd, Sullivans Island, SC last sell?

3209 Marshall Blvd, Sullivans Island, SC last sold on Jan 19, 2023 for $4,500,000, according to the county's recorded deed.

How big is 3209 Marshall Blvd, Sullivans Island, SC?

3209 Marshall Blvd, Sullivans Island, SC has 3 bedrooms, 3.5 bathrooms, 2,701 square feet of living space and a 0.48-acre lot.

When was 3209 Marshall Blvd, Sullivans Island, SC built?

3209 Marshall Blvd, Sullivans Island, SC was built in 1982, making it 44 years old. The building has 2 stories.

What schools serve 3209 Marshall Blvd, Sullivans Island, SC?

3209 Marshall Blvd, Sullivans Island, SC is assigned to Sullivan's Island Elementary School (elementary); 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 3209 Marshall Blvd, 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 92% of them ($8,213,221 against a typical $4,296,777), its price per square foot is higher than 96% of them ($3041 against a typical $1528), it is bigger than 46% of them (2,701 ft² against a typical 2,812 ft²), its lot is bigger than 52% of them (0.48 ac against a typical 0.47 ac) and it is newer than 55% of them (1982 against a typical 1976). 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 3209 Marshall Blvd, Sullivans Island, SC?

The 2025 property tax bill for 3209 Marshall Blvd, Sullivans Island, SC was $59,682. The county assessed it at $3,881,250.

More homes on Marshall Blvd

Closest homes

More homes in Sullivans Island 29482

Assigned schools

Explore the area

See this home in context

Open 3209 Marshall Blvd on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map