Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$134,540$204 / 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 73How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $82,450 on Oct 31, 2005

221 BLACKWATER TRL

ROUND O, SC 29474
2
Beds
1
Baths
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.
0.5 ac
Lot SizeThe size of the land the home sits on, from county records.
1
StoriesHow many floors the home has above ground.
2
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$135K
$98K low$171K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$82,450 · Oct 31, 2005
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$134,540
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$107,632

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,374 (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.$59,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$46,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$13,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$59,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$59,800

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.134 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.1 percent flood zone

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
CountyColleton
Lot (acres)The size of the land the home sits on, from county records.0.50
HeatingThe type of heating system in the home.Space

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
Cottageville Elementary SchoolC
Elementary · Grades PK–5 · 9.4 mi
H
Colleton County High SchoolD
High · Grades 9–12 · 10.6 mi
M
Colleton County Middle SchoolD
Middle · Grades 6–8 · 10.6 mi

District: Colleton County School District

Neighborhood · ZIP 29474These 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.109
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 100.313

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.86%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.7.0%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.18%
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.4,235
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.40 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$47,881
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$63,800
Average tempThe average temperature here across a full year.65°F
Annual precipHow much rain and melted snow falls here in a typical year.51 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.63%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.Yes

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

221 Blackwater Trl 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 less than 79% of homes in Round O 29474
  • Costs more per square foot than 70% of homes in Round O 29474
  • Smaller than 96% of homes in Colleton County
  • Has a smaller lot than 88% of homes in Round O 29474

What homes are worth in Round O 29474

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

This home
$60K$692K

This home is worth more than 21% of homes in Round O 29474.

How it measures up in Round O 29474

The dot is this home. The mark in the middle is the typical home in Round O 29474.

Estimated value$134,540
CheaperTypical $224,766Pricier

Pricier than 21% of homes nearby

Price per ft²$204
CheaperTypical $165Pricier

Pricier than 70% of homes nearby

Living area660 ft²
SmallerTypical 1,456 ft²Bigger

Bigger than 5% of homes nearby

Lot size0.5 ac
SmallerTypical 2 acBigger

Bigger than 12% of homes nearby

How 221 Blackwater Trl ranks against every home in each area.
MeasureThis homeRound O 29474Colleton County
Estimated valuepricier than$134,54021% of homes28% of homes
Price per ft²pricier than$20470% of homes68% of homes
Living areabigger than660 ft²5% of homes4% of homes
Lot sizebigger than0.5 ac12% of homes20% of homes

About 221 Blackwater Trl

How much is 221 Blackwater Trl, Round O, SC worth?

The TopHap Estimate for 221 Blackwater Trl, Round O, SC is $134,540 as of Jul 14, 2026. The likely range is $98,024 to $171,056. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 221 Blackwater Trl, Round O, SC last sell?

221 Blackwater Trl, Round O, SC last sold on Oct 31, 2005 for $82,450, according to the county's recorded deed.

How big is 221 Blackwater Trl, Round O, SC?

221 Blackwater Trl, Round O, SC has 2 bedrooms, 1 bathrooms, 660 square feet of living space and a 0.50-acre lot.

What schools serve 221 Blackwater Trl, Round O, SC?

221 Blackwater Trl, Round O, SC is assigned to Cottageville Elementary School (elementary), rated C; Colleton County High School (high), rated D; Colleton County Middle School (middle), rated D. All sit in Colleton County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 221 Blackwater Trl, Round O, SC compare to other homes in Round O 29474?

Among the 1,449 homes in Round O 29474, it is worth more than 21% of them ($134,540 against a typical $224,766), its price per square foot is higher than 70% of them ($204 against a typical $165), it is bigger than 5% of them (660 ft² against a typical 1,456 ft²) and its lot is bigger than 12% of them (0.5 ac against a typical 2 ac). Measured against all of Colleton County, it is worth more than 28% 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 221 Blackwater Trl, Round O, SC?

The 2025 property tax bill for 221 Blackwater Trl, Round O, SC was $1,374. The county assessed it at $59,800.

Closest homes

More homes in Round O 29474

Assigned schools

Explore the area

See this home in context

Open 221 Blackwater Trl 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