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Single Family ResidenceResidential
$377,650$217 / 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 94How 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 $300,000 on Jan 19, 2023

509 OLD WILLIAMSTON RD

PIEDMONT, SC 29673
0
Baths
1,738 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.
0.81 ac
Lot SizeThe size of the land the home sits on, from county records.
1
StoriesHow many floors the home has above ground.

Valuation

$378K
$353K low$402K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$300,000 · Jan 19, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,565 (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.$17,970 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$950
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$17,020
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$17,970
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$299,520

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.0.81
HeatingThe type of heating system in the home.None

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.

M
Wren Middle SchoolC+
Middle · Grades 6–8 · 2.5 mi
H
Wren High SchoolA
High · Grades 9–12 · 2.5 mi
E
Wren Elementary SchoolC+
Elementary · Grades PK–5 · 2.5 mi

District: Anderson School District 1

Neighborhood · ZIP 29673These 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.103
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.83
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.95

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.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
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.34,716
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.489 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$71,560
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$94,279
Average tempThe average temperature here across a full year.60°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

509 Old Williamston Rd 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 75% of homes in Anderson County
  • Costs more per square foot than 89% of homes in Piedmont 29673
  • Has a bigger lot than 70% of homes in Piedmont 29673

What homes are worth in Piedmont 29673

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

This home
$105K$1.1M

This home is worth more than 74% of homes in Piedmont 29673.

How it measures up in Piedmont 29673

The dot is this home. The mark in the middle is the typical home in Piedmont 29673.

Estimated value$377,650
CheaperTypical $299,318Pricier

Pricier than 74% of homes nearby

Price per ft²$217
CheaperTypical $162Pricier

Pricier than 89% of homes nearby

Living area1,738 ft²
SmallerTypical 1,759 ft²Bigger

Bigger than 48% of homes nearby

Lot size0.81 ac
SmallerTypical 0.51 acBigger

Bigger than 70% of homes nearby

How 509 Old Williamston Rd ranks against every home in each area.
MeasureThis homePiedmont 29673Anderson County
Estimated valuepricier than$377,65074% of homes75% of homes
Price per ft²pricier than$21789% of homes88% of homes
Living areabigger than1,738 ft²48% of homes58% of homes
Lot sizebigger than0.81 ac70% of homes64% of homes

About 509 Old Williamston Rd

How much is 509 Old Williamston Rd, Piedmont, SC worth?

The TopHap Estimate for 509 Old Williamston Rd, Piedmont, SC is $377,650 as of Sep 24, 2026. The likely range is $353,111 to $402,189. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 509 Old Williamston Rd, Piedmont, SC last sell?

509 Old Williamston Rd, Piedmont, SC last sold on Jan 19, 2023 for $300,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 509 Old Williamston Rd, Piedmont, SC?

509 Old Williamston Rd, Piedmont, SC has 1,738 square feet of living space and a 0.81-acre lot.

What schools serve 509 Old Williamston Rd, Piedmont, SC?

509 Old Williamston Rd, Piedmont, SC is assigned to Wren Middle School (middle), rated C+; Wren High School (high), rated A; Wren Elementary School (elementary), rated C+. All sit in Anderson School District 1. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 509 Old Williamston Rd, Piedmont, SC compare to other homes in Piedmont 29673?

Among the 11,888 homes in Piedmont 29673, it is worth more than 74% of them ($377,650 against a typical $299,318), its price per square foot is higher than 89% of them ($217 against a typical $162), it is bigger than 48% of them (1,738 ft² against a typical 1,759 ft²) and its lot is bigger than 70% of them (0.81 ac against a typical 0.51 ac). Measured against all of Anderson County, it is worth more than 75% 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 509 Old Williamston Rd, Piedmont, SC?

The 2025 property tax bill for 509 Old Williamston Rd, Piedmont, SC was $6,565. The county assessed it at $17,970.

More homes on Old Williamston Rd

Closest homes

More homes in Piedmont 29673

Assigned schools

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