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Single Family ResidenceResidential
$544,900$276 / 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 92How 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 $310,000 on Jun 29, 2018

21 SEA ISLAND DR

BLUFFTON, SC 29910
1
Beds
2.5
Baths
1,971 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.
0.32 ac
Lot SizeThe size of the land the home sits on, from county records.
2000
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$545K
$504K low$586K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$310,000 · Jun 29, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,835 (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.$14,260 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$14,980
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$374,500

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.48 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.26%

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
CountyBEAUFORT
Lot (acres)The size of the land the home sits on, from county records.0.32
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Heat Pump
CoolingThe type of cooling or air conditioning in the home.Central
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.Patio · 136 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.

Foreclosure Filings(1)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Okatie Elementary School
Elementary · Grades PK–5 · 2.7 mi
M
Bluffton Middle SchoolA
Middle · Grades 6–8 · 3.1 mi
H
May River High SchoolB-
High · Grades 9–12 · 5.8 mi

District: Beaufort County School District

Neighborhood · ZIP 29910These 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.58
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.82
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.107

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.53,449
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.427 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$92,493
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$123,092
Average tempThe average temperature here across a full year.66°F
Annual precipHow much rain and melted snow falls here in a typical year.53 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

21 Sea Island Dr 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.

  • Has a bigger lot than 65% of homes in Bluffton 29910
  • Older than 77% of homes in Bluffton 29910

What homes are worth in Bluffton 29910

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

This home
$151K$4M

This home is worth more than 54% of homes in Bluffton 29910.

How it measures up in Bluffton 29910

The dot is this home. The mark in the middle is the typical home in Bluffton 29910.

Estimated value$544,900
CheaperTypical $518,526Pricier

Pricier than 54% of homes nearby

Price per ft²$276
CheaperTypical $260Pricier

Pricier than 59% of homes nearby

Living area1,971 ft²
SmallerTypical 2,136 ft²Bigger

Bigger than 43% of homes nearby

Lot size0.32 ac
SmallerTypical 0.24 acBigger

Bigger than 65% of homes nearby

Year built2000
OlderTypical 2006Newer

Newer than 23% of homes nearby

How 21 Sea Island Dr ranks against every home in each area.
MeasureThis homeBluffton 29910Beaufort County
Estimated valuepricier than$544,90054% of homes50% of homes
Price per ft²pricier than$27659% of homes39% of homes
Living areabigger than1,971 ft²43% of homes54% of homes
Lot sizebigger than0.32 ac65% of homes54% of homes
Year builtnewer than200023% of homes58% of homes

About 21 Sea Island Dr

How much is 21 Sea Island Dr, Bluffton, SC worth?

The TopHap Estimate for 21 Sea Island Dr, Bluffton, SC is $544,900 as of Oct 21, 2026. The likely range is $503,661 to $586,139. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Sea Island Dr, Bluffton, SC last sell?

21 Sea Island Dr, Bluffton, SC last sold on Jun 29, 2018 for $310,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 21 Sea Island Dr, Bluffton, SC?

21 Sea Island Dr, Bluffton, SC has 1 bedrooms, 2.5 bathrooms, 1,971 square feet of living space and a 0.32-acre lot.

When was 21 Sea Island Dr, Bluffton, SC built?

21 Sea Island Dr, Bluffton, SC was built in 2000, making it 26 years old. The building has 1 story.

What schools serve 21 Sea Island Dr, Bluffton, SC?

21 Sea Island Dr, Bluffton, SC is assigned to Okatie Elementary School (elementary); Bluffton Middle School (middle), rated A; May River High School (high), rated B-. All sit in Beaufort County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Sea Island Dr, Bluffton, SC compare to other homes in Bluffton 29910?

Among the 21,585 homes in Bluffton 29910, it is worth more than 54% of them ($544,900 against a typical $518,526), its price per square foot is higher than 59% of them ($276 against a typical $260), it is bigger than 43% of them (1,971 ft² against a typical 2,136 ft²), its lot is bigger than 65% of them (0.32 ac against a typical 0.24 ac) and it is newer than 23% of them (2000 against a typical 2006). Measured against all of Beaufort County, it is worth more than 50% 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 21 Sea Island Dr, Bluffton, SC?

The 2025 property tax bill for 21 Sea Island Dr, Bluffton, SC was $1,835. The county assessed it at $14,260.

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