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Single Family ResidenceResidential
$182,360$329 / 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 90How 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 $147,500 on Feb 14, 2022

313 BLACKWATER TRL

ROUND O, SC 29474
2
Beds
1
Baths
554 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.
0.3 ac
Lot SizeThe size of the land the home sits on, from county records.
1962
Year BuiltThe year the home was originally built, according to 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

$182K
$164K low$201K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$147,500 · Feb 14, 2022
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.$79,860
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$63,888
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.59%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$102,500
TRUIST BANK · recorded Feb 14, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,209 (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.$145,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$80,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$65,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$145,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$145,000

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.133 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
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1992
Lot (acres)The size of the land the home sits on, from county records.0.30
HeatingThe type of heating system in the home.Space
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Boat access

Transaction History(4)

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 · 10.7 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.No

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

313 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 65% of homes in Round O 29474
  • Costs more per square foot than 93% of homes in Round O 29474
  • Smaller than 98% of homes in Colleton County
  • Has a smaller lot than 92% of homes in Round O 29474
  • Older than 90% 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
$59K$703K

This home is worth more than 35% 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$182,360
CheaperTypical $224,440Pricier

Pricier than 35% of homes nearby

Price per ft²$329
CheaperTypical $164Pricier

Pricier than 93% of homes nearby

Living area554 ft²
SmallerTypical 1,456 ft²Bigger

Bigger than 3% of homes nearby

Lot size0.3 ac
SmallerTypical 2 acBigger

Bigger than 8% of homes nearby

Year built1962
OlderTypical 1994Newer

Newer than 10% of homes nearby

How 313 Blackwater Trl ranks against every home in each area.
MeasureThis homeRound O 29474Colleton County
Estimated valuepricier than$182,36035% of homes41% of homes
Price per ft²pricier than$32993% of homes81% of homes
Living areabigger than554 ft²3% of homes2% of homes
Lot sizebigger than0.3 ac8% of homes11% of homes
Year builtnewer than196210% of homes12% of homes

About 313 Blackwater Trl

How much is 313 Blackwater Trl, Round O, SC worth?

The TopHap Estimate for 313 Blackwater Trl, Round O, SC is $182,360 as of Jul 14, 2026. The likely range is $164,111 to $200,609. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 313 Blackwater Trl, Round O, SC last sell?

313 Blackwater Trl, Round O, SC last sold on Feb 14, 2022 for $147,500, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 313 Blackwater Trl, Round O, SC?

313 Blackwater Trl, Round O, SC has 2 bedrooms, 1 bathrooms, 554 square feet of living space and a 0.30-acre lot.

When was 313 Blackwater Trl, Round O, SC built?

313 Blackwater Trl, Round O, SC was built in 1962, making it 64 years old. The building has 1 story.

What schools serve 313 Blackwater Trl, Round O, SC?

313 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 313 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 35% of them ($182,360 against a typical $224,440), its price per square foot is higher than 93% of them ($329 against a typical $164), it is bigger than 3% of them (554 ft² against a typical 1,456 ft²), its lot is bigger than 8% of them (0.3 ac against a typical 2 ac) and it is newer than 10% of them (1962 against a typical 1994). Measured against all of Colleton County, it is worth more than 41% 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 313 Blackwater Trl, Round O, SC?

The 2025 property tax bill for 313 Blackwater Trl, Round O, SC was $3,209. The county assessed it at $145,000.

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