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Single Family ResidenceResidential
$721,282$199 / 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 Jul 14, 2026
Last sold for $570,000 on Sep 23, 2021

378 MILL RIDGE RD

ROCK HILL, SC 29730
4 / 1
Baths
3,617 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.
2016
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$721K
$680K low$762K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$570,000 · Sep 23, 2021
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.$401,282
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$321,026
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.44%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$320,000
CHURCHILL MORTGAGE CORP · recorded Sep 23, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,147 (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.$25,228 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$2,372
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$22,856
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$21,938
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$638,100

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.54
46
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.
79
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.11 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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
FireplaceWhether the home has a fireplace, and what kind.Yes
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 · 320 ft²

Transaction History(2)

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
Sullivan Middle SchoolC
Middle · Grades 6–8 · 2.5 mi
H
Rock Hill High SchoolC-
High · Grades 9–12 · 5.0 mi
E
Independence Elementary SchoolB-
Elementary · Grades PK–5 · 5.1 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

378 Mill Ridge 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 98% of homes in Rock Hill 29730
  • Costs less per square foot than 82% of homes in Riverwalk
  • Among the largest homes in Riverwalk
  • Has a bigger lot than 98% of homes in Riverwalk
  • Newer than 93% of homes in Rock Hill 29730

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 98% 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$721,282
CheaperTypical $261,057Pricier

Pricier than 98% of homes nearby

Price per ft²$199
CheaperTypical $171Pricier

Pricier than 72% of homes nearby

Living area3,617 ft²
SmallerTypical 1,466 ft²Bigger

Bigger than 98% of homes nearby

Lot size1 ac
SmallerTypical 1 acBigger

Bigger than 82% of homes nearby

Year built2016
OlderTypical 1981Newer

Newer than 93% of homes nearby

How 378 Mill Ridge Rd ranks against every home in each area.
MeasureThis homeRiverwalkRock Hill 29730York County
Estimated valuepricier than$721,28296% of homes98% of homes89% of homes
Price per ft²pricier than$19918% of homes72% of homes52% of homes
Living areabigger than3,617 ft²almost all homes98% of homes93% of homes
Lot sizebigger than1 ac98% of homes82% of homes82% of homes
Year builtnewer than201656% of homes93% of homes86% of homes

About 378 Mill Ridge Rd

How much is 378 Mill Ridge Rd, Rock Hill, SC worth?

The TopHap Estimate for 378 Mill Ridge Rd, Rock Hill, SC is $721,282 as of Jul 14, 2026. The likely range is $680,389 to $762,175. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 378 Mill Ridge Rd, Rock Hill, SC last sell?

378 Mill Ridge Rd, Rock Hill, SC last sold on Sep 23, 2021 for $570,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 378 Mill Ridge Rd, Rock Hill, SC?

378 Mill Ridge Rd, Rock Hill, SC has 4 bathrooms, 3,617 square feet of living space and a 1.00-acre lot.

When was 378 Mill Ridge Rd, Rock Hill, SC built?

378 Mill Ridge Rd, Rock Hill, SC was built in 2016, making it 10 years old. The building has 2 stories.

What schools serve 378 Mill Ridge Rd, Rock Hill, SC?

378 Mill Ridge Rd, Rock Hill, SC is assigned to Sullivan Middle School (middle), rated C; Rock Hill High School (high), rated C-; Independence Elementary School (elementary), rated B-. All sit in York School District 3. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 378 Mill Ridge Rd, 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 98% of them ($721,282 against a typical $261,057), its price per square foot is higher than 72% of them ($199 against a typical $171), it is bigger than 98% of them (3,617 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 93% of them (2016 against a typical 1981). Measured against all of York County, it is worth more than 89% 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 378 Mill Ridge Rd, Rock Hill, SC?

The 2025 property tax bill for 378 Mill Ridge Rd, Rock Hill, SC was $6,147. The county assessed it at $25,228.

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