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Single Family ResidenceResidential
$123,765$126 / 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 45How 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

643 SIMPSON ST

ROCK HILL, SC 29730
1
Baths
984 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.
1950
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$124K
$56K low$191K high
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.$123,765
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$99,012

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$445 (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.$2,072 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$696
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,376
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,802
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$59,500

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.47
11
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.2 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.26%
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 · 60 ft²

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 · 0.5 mi
M
Saluda Trail Middle SchoolD
Middle · Grades 6–8 · 2.7 mi
H
Northwestern High SchoolB
High · Grades 9–12 · 3.3 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
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

643 Simpson 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 94% of homes in York County
  • Costs less per square foot than 90% of homes in York County
  • Smaller than 92% of homes in York County
  • Has a bigger lot than 82% of homes in Rock Hill 29730
  • Older than 94% 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$749K

This home is worth more than 11% 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$123,765
CheaperTypical $261,057Pricier

Pricier than 11% of homes nearby

Price per ft²$126
CheaperTypical $171Pricier

Pricier than 17% of homes nearby

Living area984 ft²
SmallerTypical 1,466 ft²Bigger

Bigger than 14% of homes nearby

Lot size1 ac
SmallerTypical 1 acBigger

Bigger than 82% of homes nearby

Year built1950
OlderTypical 1981Newer

Newer than 20% of homes nearby

How 643 Simpson St ranks against every home in each area.
MeasureThis homeRock Hill 29730York County
Estimated valuepricier than$123,76511% of homes6% of homes
Price per ft²pricier than$12617% of homes10% of homes
Living areabigger than984 ft²14% of homes8% of homes
Lot sizebigger than1 ac82% of homes82% of homes
Year builtnewer than195020% of homes6% of homes

About 643 Simpson St

How much is 643 Simpson St, Rock Hill, SC worth?

The TopHap Estimate for 643 Simpson St, Rock Hill, SC is $123,765 as of Jul 14, 2026. The likely range is $56,293 to $191,237. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 643 Simpson St, Rock Hill, SC last sell?

643 Simpson St, Rock Hill, SC last sold on Jun 10, 2003, according to the county's recorded deed.

How big is 643 Simpson St, Rock Hill, SC?

643 Simpson St, Rock Hill, SC has 1 bathrooms, 984 square feet of living space and a 1.00-acre lot.

When was 643 Simpson St, Rock Hill, SC built?

643 Simpson St, Rock Hill, SC was built in 1950, making it 76 years old. The building has 1 story.

What schools serve 643 Simpson St, Rock Hill, SC?

643 Simpson 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 643 Simpson 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 11% of them ($123,765 against a typical $261,057), its price per square foot is higher than 17% of them ($126 against a typical $171), it is bigger than 14% of them (984 ft² against a typical 1,466 ft²), its lot is bigger than 82% of them (1 ac against a typical 1 ac) and it is newer than 20% of them (1950 against a typical 1981). Measured against all of York County, it is worth more than 6% 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 643 Simpson St, Rock Hill, SC?

The 2025 property tax bill for 643 Simpson St, Rock Hill, SC was $445. The county assessed it at $2,072.

More homes on Simpson St

Closest homes

More homes in Rock Hill 29730

Assigned schools

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