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Single Family ResidenceResidential
$155,500$109 / 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 93How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $150,000 on Nov 24, 2021

21 KNIGHTS AVE

WALTERBORO, SC 29488
3
Beds
1
Baths
1,426 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.
1.04 ac
Lot SizeThe size of the land the home sits on, from county records.
1979
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
3
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$156K
$144K low$167K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$150,000 · Nov 24, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,666 (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.$171,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$30,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$141,200
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.$171,200

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.8
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
29
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
11
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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.minimal

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.1.04
HeatingThe type of heating system in the home.Central
GarageWhether the property has a garage, and details like whether it is attached to the home.Carport (Unspecified)
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Shed · 120 ft²

Transaction History(1)

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.

H
Colleton County High SchoolD
High · Grades 9–12 · 0.8 mi
M
Colleton County Middle SchoolD
Middle · Grades 6–8 · 1.3 mi
E
Northside Elementary SchoolC
Elementary · Grades 1–5 · 1.6 mi

District: Colleton County School District

Neighborhood · ZIP 29488These 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.85
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 100.273

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.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.15%
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.20,437
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.86 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$55,596
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$69,933
Average tempThe average temperature here across a full year.65°F
Annual precipHow much rain and melted snow falls here in a typical year.50 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

21 Knights Ave 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.

  • Costs less per square foot than 65% of homes in Colleton County
  • Older than 70% of homes in Colleton County

What homes are worth in Walterboro 29488

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

This home
$39K$646K

This home is worth more than 46% of homes in Walterboro 29488.

How it measures up in Walterboro 29488

The dot is this home. The mark in the middle is the typical home in Walterboro 29488.

Estimated value$155,500
CheaperTypical $169,213Pricier

Pricier than 46% of homes nearby

Price per ft²$109
CheaperTypical $113Pricier

Pricier than 47% of homes nearby

Living area1,426 ft²
SmallerTypical 1,370 ft²Bigger

Bigger than 53% of homes nearby

Lot size1.04 ac
SmallerTypical 1 acBigger

Bigger than 50% of homes nearby

Year built1979
OlderTypical 1989Newer

Newer than 34% of homes nearby

How 21 Knights Ave ranks against every home in each area.
MeasureThis homeWalterboro 29488Colleton County
Estimated valuepricier than$155,50046% of homes37% of homes
Price per ft²pricier than$10947% of homes35% of homes
Living areabigger than1,426 ft²53% of homes51% of homes
Lot sizebigger than1.04 ac50% of homes45% of homes
Year builtnewer than197934% of homes30% of homes

About 21 Knights Ave

How much is 21 Knights Ave, Walterboro, SC worth?

The TopHap Estimate for 21 Knights Ave, Walterboro, SC is $155,500 as of Aug 30, 2026. The likely range is $144,320 to $166,680. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Knights Ave, Walterboro, SC last sell?

21 Knights Ave, Walterboro, SC last sold on Nov 24, 2021 for $150,000, according to the county's recorded deed.

How big is 21 Knights Ave, Walterboro, SC?

21 Knights Ave, Walterboro, SC has 3 bedrooms, 1 bathrooms, 1,426 square feet of living space and a 1.04-acre lot.

When was 21 Knights Ave, Walterboro, SC built?

21 Knights Ave, Walterboro, SC was built in 1979, making it 47 years old. The building has 1 story.

What schools serve 21 Knights Ave, Walterboro, SC?

21 Knights Ave, Walterboro, SC is assigned to Colleton County High School (high), rated D; Colleton County Middle School (middle), rated D; Northside Elementary School (elementary), rated C. All sit in Colleton County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Knights Ave, Walterboro, SC compare to other homes in Walterboro 29488?

Among the 11,208 homes in Walterboro 29488, it is worth more than 46% of them ($155,500 against a typical $169,213), its price per square foot is higher than 47% of them ($109 against a typical $113), it is bigger than 53% of them (1,426 ft² against a typical 1,370 ft²), its lot is bigger than 50% of them (1.04 ac against a typical 1 ac) and it is newer than 34% of them (1979 against a typical 1989). Measured against all of Colleton County, it is worth more than 37% 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 Knights Ave, Walterboro, SC?

The 2025 property tax bill for 21 Knights Ave, Walterboro, SC was $1,666. The county assessed it at $171,200.

More homes on Knights Ave

Closest homes

More homes in Walterboro 29488

Assigned schools

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