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Single Family ResidenceResidential
$572,623$341 / 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 77How 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

531 MILL ST

WILLIAMSTON, SC 29697
3
Beds
0
Baths
1,680 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.
9.22 ac
Lot SizeThe size of the land the home sits on, from county records.
1997
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$573K
$442K low$703K high

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$9,280 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$670
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$8,610
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$9,280
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$360,900

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.45
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
13
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
86
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
94
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
34
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
CountyAnderson
Lot (acres)The size of the land the home sits on, from county records.9.22

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.

E
Palmetto Elementary School
Elementary · Grades PK–5 · 1.5 mi
H
Palmetto High SchoolB-
High · Grades 9–12 · 1.7 mi
M
Palmetto Middle SchoolB
Middle · Grades 6–8 · 1.7 mi

District: Anderson School District 1

Neighborhood · ZIP 29697These 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.61
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.97

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
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.13,320
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.337 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$67,613
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$88,149
Average tempThe average temperature here across a full year.61°F
Annual precipHow much rain and melted snow falls here in a typical year.52 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.61%

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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

531 Mill St 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 more than 91% of homes in Anderson County
  • Among the highest price per square foot in Williamston 29697
  • Has a bigger lot than 96% of homes in Williamston 29697

What homes are worth in Williamston 29697

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

This home
$59K$1.1M

This home is worth more than 90% of homes in Williamston 29697.

How it measures up in Williamston 29697

The dot is this home. The mark in the middle is the typical home in Williamston 29697.

Estimated value$572,623
CheaperTypical $240,946Pricier

Pricier than 90% of homes nearby

Price per ft²$341
CheaperTypical $152Pricier

Pricier than almost all homes nearby

Living area1,680 ft²
SmallerTypical 1,564 ft²Bigger

Bigger than 60% of homes nearby

Lot size9.22 ac
SmallerTypical 0.63 acBigger

Bigger than 96% of homes nearby

Year built1997
OlderTypical 2001Newer

Newer than 38% of homes nearby

How 531 Mill St ranks against every home in each area.
MeasureThis homeWilliamston 29697Anderson County
Estimated valuepricier than$572,62390% of homes91% of homes
Price per ft²pricier than$341almost all homes98% of homes
Living areabigger than1,680 ft²60% of homes55% of homes
Lot sizebigger than9.22 ac96% of homes96% of homes
Year builtnewer than199738% of homes41% of homes

About 531 Mill St

How much is 531 Mill St, Williamston, SC worth?

The TopHap Estimate for 531 Mill St, Williamston, SC is $572,623 as of Sep 24, 2026. The likely range is $442,450 to $702,796. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 531 Mill St, Williamston, SC last sell?

531 Mill St, Williamston, SC last sold on Oct 17, 2023, according to the county's recorded deed.

How big is 531 Mill St, Williamston, SC?

531 Mill St, Williamston, SC has 3 bedrooms, 1,680 square feet of living space and a 9.22-acre lot.

When was 531 Mill St, Williamston, SC built?

531 Mill St, Williamston, SC was built in 1997, making it 29 years old. The building has 1 story.

What schools serve 531 Mill St, Williamston, SC?

531 Mill St, Williamston, SC is assigned to Palmetto Elementary School (elementary); Palmetto High School (high), rated B-; Palmetto Middle School (middle), rated B. All sit in Anderson School District 1. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 531 Mill St, Williamston, SC compare to other homes in Williamston 29697?

Among the 5,196 homes in Williamston 29697, it is worth more than 90% of them ($572,623 against a typical $240,946), its price per square foot is higher than almost all of them ($341 against a typical $152), it is bigger than 60% of them (1,680 ft² against a typical 1,564 ft²), its lot is bigger than 96% of them (9.22 ac against a typical 0.63 ac) and it is newer than 38% of them (1997 against a typical 2001). Measured against all of Anderson County, it is worth more than 91% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

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Assigned schools

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