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Single Family ResidenceResidential
$76,993$98 / 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 Sep 24, 2026

422 WILLIAMSON ST

ROCK HILL, SC 29730
1
Baths
788 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 ac
Lot SizeThe size of the land the home sits on, from county records.
1955
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$77K
$69K low$85K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$608 (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.$1,413 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$578
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$835
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,229
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$48,900

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.
6
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
91
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
80
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
48
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
CountyYork
Lot (acres)The size of the land the home sits on, from county records.1.00
HeatingThe type of heating system in the home.None
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 108 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.

E
Sunset Park Center For Accelerated StudiesA-
Elementary · Grades PK–5 · 0.2 mi
M
Saluda Trail Middle SchoolD
Middle · Grades 6–8 · 2.6 mi
H
Northwestern High SchoolB
High · Grades 9–12 · 2.9 mi

District: York School District 3

Neighborhood · ZIP 29730These 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.130
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.94
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.85

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.92%
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.12%
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.64,639
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.525 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$65,373
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$82,333
Average tempThe average temperature here across a full year.61°F
Annual precipHow much rain and melted snow falls here in a typical year.48 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

422 Williamson 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 less than 98% of homes in Rock Hill 29730
  • Costs less per square foot than 96% of homes in York County
  • Smaller than 97% of homes in York County
  • Has a bigger lot than 81% of homes in Rock Hill 29730
  • Older than 93% of homes in York County

What homes are worth in Rock Hill 29730

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

This home
$77K$715K

This home is worth more than 2% of homes in Rock Hill 29730.

How it measures up in Rock Hill 29730

The dot is this home. The mark in the middle is the typical home in Rock Hill 29730.

Estimated value$76,993
CheaperTypical $260,744Pricier

Pricier than 2% of homes nearby

Price per ft²$98
CheaperTypical $172Pricier

Pricier than 6% of homes nearby

Living area788 ft²
SmallerTypical 1,458 ft²Bigger

Bigger than 5% of homes nearby

Lot size1 ac
SmallerTypical 1 acBigger

Bigger than 81% of homes nearby

Year built1955
OlderTypical 1982Newer

Newer than 25% of homes nearby

How 422 Williamson St ranks against every home in each area.
MeasureThis homeRock Hill 29730York County
Estimated valuepricier than$76,9932% of homes2% of homes
Price per ft²pricier than$986% of homes4% of homes
Living areabigger than788 ft²5% of homes3% of homes
Lot sizebigger than1 ac81% of homes80% of homes
Year builtnewer than195525% of homes7% of homes

About 422 Williamson St

How much is 422 Williamson St, Rock Hill, SC worth?

The TopHap Estimate for 422 Williamson St, Rock Hill, SC is $76,993 as of Sep 24, 2026. The likely range is $69,292 to $84,694. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 422 Williamson St, Rock Hill, SC?

422 Williamson St, Rock Hill, SC has 1 bathrooms, 788 square feet of living space and a 1.00-acre lot.

When was 422 Williamson St, Rock Hill, SC built?

422 Williamson St, Rock Hill, SC was built in 1955, making it 71 years old. The building has 1 story.

What schools serve 422 Williamson St, Rock Hill, SC?

422 Williamson St, Rock Hill, SC is assigned to Sunset Park Center For Accelerated Studies (elementary), rated A-; Saluda Trail Middle School (middle), rated D; Northwestern High School (high), rated B. All sit in York School District 3. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 422 Williamson St, Rock Hill, SC compare to other homes in Rock Hill 29730?

Among the 19,086 homes in Rock Hill 29730, it is worth more than 2% of them ($76,993 against a typical $260,744), its price per square foot is higher than 6% of them ($98 against a typical $172), it is bigger than 5% of them (788 ft² against a typical 1,458 ft²), its lot is bigger than 81% of them (1 ac against a typical 1 ac) and it is newer than 25% of them (1955 against a typical 1982). Measured against all of York County, it is worth more than 2% 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 422 Williamson St, Rock Hill, SC?

The 2025 property tax bill for 422 Williamson St, Rock Hill, SC was $608. The county assessed it at $1,413.

More homes on Williamson St

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