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Single Family ResidenceResidential
$144,431
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 44How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $50,000 on Sep 20, 2022

189 BLACKWATER TRL

ROUND O, SC 29474
0
Baths
0.9 ac
Lot SizeThe size of the land the home sits on, from county records.
2009
Year BuiltThe year the home was originally built, according to county records.

Valuation

$144K
$63K low$226K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$50,000 · Sep 20, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7 (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.$500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$50,000

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.135 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.0.90
HeatingThe type of heating system in the home.None

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 · 10.5 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%

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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

189 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 72% of homes in Round O 29474
  • Has a smaller lot than 78% of homes in Round O 29474
  • Newer than 91% of homes in Colleton County

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
$55K$798K

This home is worth more than 28% 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$144,431
CheaperTypical $218,814Pricier

Pricier than 28% of homes nearby

Lot size0.9 ac
SmallerTypical 2 acBigger

Bigger than 22% of homes nearby

Year built2009
OlderTypical 1994Newer

Newer than 87% of homes nearby

How 189 Blackwater Trl ranks against every home in each area.
MeasureThis homeRound O 29474Colleton County
Estimated valuepricier than$144,43128% of homes34% of homes
Lot sizebigger than0.9 ac22% of homes32% of homes
Year builtnewer than200987% of homes91% of homes

About 189 Blackwater Trl

How much is 189 Blackwater Trl, Round O, SC worth?

The TopHap Estimate for 189 Blackwater Trl, Round O, SC is $144,431 as of Sep 24, 2026. The likely range is $62,974 to $225,888. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 189 Blackwater Trl, Round O, SC last sell?

189 Blackwater Trl, Round O, SC last sold on Sep 20, 2022 for $50,000, according to the county's recorded deed.

When was 189 Blackwater Trl, Round O, SC built?

189 Blackwater Trl, Round O, SC was built in 2009, making it 17 years old.

What schools serve 189 Blackwater Trl, Round O, SC?

189 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 189 Blackwater Trl, Round O, SC compare to other homes in Round O 29474?

Among the 1,450 homes in Round O 29474, it is worth more than 28% of them ($144,431 against a typical $218,814), its lot is bigger than 22% of them (0.9 ac against a typical 2 ac) and it is newer than 87% of them (2009 against a typical 1994). Measured against all of Colleton County, it is worth more than 34% 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 189 Blackwater Trl, Round O, SC?

The 2025 property tax bill for 189 Blackwater Trl, Round O, SC was $7. The county assessed it at $500.

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